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    5,000 underscore js jobs found

    My new AI-driven event-management startup needs a single, compelling landing page that immediately conveys what makes our technology specia...reading on mobile and desktop. Design & build • Follow the provided brand guidelines exactly. • Create a clean, responsive layout with clear sections for hero, feature highlights, social proof and a single call-to-action. • Use lightweight animations or micro-interactions only where they enhance clarity. • Hand over organised source files (Figma or Adobe XD) plus ready-to-deploy HTML/CSS/JS, or a build in Webflow/React if you prefer. Acceptance A quick staging link for review, pixel-perfect adherence to the brand kit, fast loading times and smooth behaviour on the latest versions of Chrome, Safari and Edge w...

    $15 Average bid
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    14 bids

    Build a Medusa js e-commerce website with 5 categories, custom product requirement fields, Stripe integration, order tracking system, employee permissions, campaigns, offers, variants, analytics, and marketing pixel integrations (Meta, TikTok, Snapchat, Google). Stable UX/UI, fast performance, and prevention of duplicate orders/events required. Need estimated cost and timeline. Must have previous Medusa project experience. Please share cost and timeline. Hello, We are planning to build an e-commerce website using Medusa, and we need an estimated price and timeline for the project. General requirements: 1. The website will have around 5 main categories. 2. Each product type may have different custom fields/requirements that the customer must fill in before placing the order. Fo...

    $479 Average bid
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    199 bids

    ...make it effortless for visitors to reach me, so the contact form must be front-and-center and fully functional (spam-protected, mobile-friendly, and routed to my chosen email address). Design can be minimalist—think one scrolling page or a few concise sections—yet visually engaging enough to reflect a professional creative profile. If you prefer WordPress, Webflow, or a hand-coded stack (HTML/CSS/JS), I’m open, as long as the final result is easy for me to update without touching code every time. Deliverables: • Responsive portfolio website with working contact form • Source files and clear instructions for future edits • Brief hand-off call or document outlining deployment steps Let me know your preferred build approach, a rough timeline, ...

    $488 Average bid
    $488 Avg Bid
    271 bids
    Two Page Brand Website Build
    6 days left
    Verified

    I’m launching a compact consumer-brand site made up of just a landing page and one supporting page, yet both have to feel premium. The front end must showcase embedded video loops, animated graphics, and high-resolution product imagery while remaining fast and mobile-friendly. React, Vue, or even lean HTML5/CSS3/JS are all fine—what matters is polish, accessibility, and smooth performance. Behind the visuals I need a small but reliable database. It should, at minimum, capture visitor opt-ins, support basic admin authentication, and expose clean API endpoints so I can extend the site later. PostgreSQL or MySQL paired with Node, Python (FastAPI/Django), or PHP (Laravel) are preferred, but I’m open to your proven stack. Because visuals and data work call for differe...

    $1070 Average bid
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    210 bids

    ...and mix – Layer a rich futuristic/science-fiction soundscape beneath the dialogue, with extra-detailed SFX for environmental transitions so each cut truly sells a shift in location or atmosphere. Think whooshing airlocks, distant reactor hums, and subtle UI beeps that make the world feel alive. Final mix should be balanced for stereo and ready for online distribution. • Background ambience & underscore – Continuous yet nuanced beds that complement high-energy action sequences without overpowering them, then ease back during quieter character moments. • Color correction & grading – Unify clips that came from several AI generators, matching exposure, contrast, and hue, then craft a cohesive cinematic grade (I lean toward a cooled, high-contra...

    $131 Average bid
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    38 bids

    ...goal is to position the site as my online showcase, so the layout and visual hierarchy have to put projects front-and-center while keeping navigation intuitive and lightweight. A fast-loading, fully responsive design is essential. I’m open to whatever stack or platform you feel delivers the best mix of performance, ease of maintenance, and future flexibility—whether that’s a hand-coded HTML/CSS/JS approach, a WordPress build, or another CMS that suits single-user portfolios. Although I haven’t finalised every extra feature, it should be simple to add elements such as a contact form, image gallery, or downloadable files later without major rework. Please structure the code or theme with that extendability in mind. Deliverables: • Complete, m...

    $422 Average bid
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    378 bids

    ...high-definition animations driven by modern front-end frameworks (GSAP, , or similar). Smooth scroll animations and seamless page-to-page transitions are a must; hover effects are optional but not essential. Core pages to build: • Home • About Us • Services • Technology I’m happy to iterate together, but each page should launch with: • Responsive layout coded in clean HTML5/CSS3/JS • Production-ready scroll animations plus cinematic page transitions • Placeholder copy blocks that I can later replace with finalized text • Imagery or generative assets created with Claude or other AI tools where you see fit (hero sections, subtle background loops, etc.) Acceptance criteria 1. All four pages load in under 2.5 s ...

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    268 bids

    ...funnel stage • Competitor gap analysis and ranking-difficulty scoring (SEMrush, Ahrefs, or similar) • Prioritised keyword clusters and recommended landing-page architecture • Baseline health audit via Google Analytics, Search Console, and relevant app-store data • A 90-day execution plan with KPIs for on-page and future content work A background in B2B marketplaces, technical SEO for modern JS frameworks, or ASO is a plus, as later phases will branch into on-page optimisation, link outreach, paid acquisition, and analytics. When you apply, focus on your experience delivering similar keyword-research or end-to-end SEO projects in tech or industrial niches, and include at least one example so we can quickly gauge fit. We’re eager to start as so...

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    64 bids

    One-Page Checkout Setup on Tilda + Mollie Integration (Orders API / Klarna) + JS Slider Order Description: Hello! I need to set up a one-page checkout on an existing Tilda website (on our subdomain). What needs to be done: Set up a simple form/cart on Tilda (Name, Phone, Email, detailed shipping address to Italy). Implement a ready-made JS script (provided in the specifications) for an interactive price slider. When dragging the slider, the amount should dynamically update and be transferred to the native Tilda cart. Connect the Mollie payment system via the built-in Tilda module. Critically important: switch the integration to Orders API mode to transfer detailed order data (name, quantity, m², VAT). This is necessary so that Klarna installment payment options are activ...

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    React Js 200 Question Bank perpation

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    ...an at-a-glance services section that highlights real-time load matching, rate negotiation, and 24/7 tracking. Visual style must feel trustworthy and modern—think generous white space, professional typography, and imagery that speaks to logistics without the stock-photo clichés. Please build the layout mobile-first and ensure fast loading; the final hand-off should include a responsive HTML/CSS/JS build or a Figma file ready for development, whichever you prefer. To keep the project tidy, I’ll provide the existing logo, color palette, and a short brand voice guide as soon as we start....

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    88 bids

    ...my brand using: Shopify (backend) for product management, payments, orders Custom-coded frontend (not a basic Shopify theme look) My goal is a luxury, high-end, fast, and responsive website Scope of Work 1. Custom Frontend Development Build a fully custom frontend UI (luxury/premium design) Do NOT use basic prebuilt Shopify themes directly You may use frameworks like React / / HTML-CSS-JS, but final output must work with Shopify Ensure: Mobile responsive Fast loading speed Smooth animations (premium feel) Clean UI/UX 2. Shopify Integration (IMPORTANT) Convert or connect frontend to Shopify backend Use one of the following: Shopify Liquid (preferred), OR Shopify Storefront API (headless approach) Ensure: Products sync with Shopify Cart & checkout works via Shopify Orders a...

    $115 Average bid
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    68 bids

    I’m building a Next-js SVG platform whose heart is a Frame Editor used by glazing and aluminium façade contractors. Before this tool goes live I want a seasoned glazing-industry professional on board to keep us aligned with real-world shop-floor practice and AutoCAD workflows. Here’s where I need your help. First, walk me through the current industry standards—glass types, aluminium extrusion tolerances, hardware clearances, test reports—so that every rule we bake into the editor reflects how projects are actually bid, engineered and installed. Next, review the interface and drawing logic already in place; I want your eye on how users create fresh layouts, tweak existing ones and swap glazing panels, aluminium frames or hardware components without bre...

    $28 / hr Average bid
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    36 bids

    ...accessible toggle for three languages: English, Hindi, and Marathi. The UI must be highly intuitive, visual, and simple enough for local scrap collectors ("bhangarwalas") to operate without friction. Preferred Tech Stack We are open to recommendation, but prefer a lean, fast-to-deploy stack: • Frontend: Cross-platform mobile (React Native / Flutter) OR a highly responsive, mobile-first Web App (HTML/CSS/JS or React) that can be wrapped into an Android WebView APK. • Backend: Node.js with Express.js. • Database: MongoDB (Atlas). • Authentication: OTP-based mobile authentication gateway. Out of Scope (Phase 2 Features) Note: Do not include the following features in your current quote: • AI-based scrap detection via image uploads. • Live commo...

    $284 Average bid
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    40 bids

    I’m looking...perfectly on mobile, tablet, and desktop. Performance & code quality Optimised images, minified assets, semantic tags, and lazy loading where appropriate—anything that keeps Lighthouse scores high. Please stick to Bootstrap for the grid and components; any custom styling should live in a separate CSS file so I can tweak colours or spacing later. Deliverables • Complete front-end code (HTML, CSS, JS) organised and commented. • A single compressed folder ready for deployment. • A brief read-me explaining build steps and how to adjust colours, animations, or content. If you have questions about the layout or want to propose an additional animation technique, feel free to suggest it; I’m open to ideas as long as they don&rs...

    $6 / hr Average bid
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    I use the open source web tool for educational purposes, because it is the simplest and most intuitive tool I have found to create linguistic syntax trees. For a new model of visualizing syntax I've been working on, though, I need the tool to be able to create three different kinds of nodes instead of just the one it does now, which need to be graphically distinct (to my specifications), yet still simple to program for the user. I have NO IDEA how complex or not complex this project is.

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    102 bids

    ...connects directly to the reservation engine. The overall look should convey timeless sophistication—think clean typography, refined colours, and intuitive navigation. Although the brief centres on a desktop-first experience, I still expect the layout to remain fully responsive so tablet and phone users enjoy the same polished feel. Deliverables • Fully developed, self-hosted website (HTML/CSS/JS or a CMS we agree on) • Admin panel to add, edit, or retire vehicles and manage bookings • Integrated booking engine with availability calendar and confirmation email workflow • Basic on-page SEO and performance optimisation • Source files, documentation, and a quick hand-off session so I can manage the site confidently If you’ve built res...

    $20 / hr Average bid
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    169 bids

    ...A lightweight Android app that mirrors the same brand look and feel. It doesn’t require complex back-end logic—think of it as a condensed companion experience that introduces the project, reinforces the call to action, and lets users submit their details from within the app. Key requirements – Pixel-perfect responsiveness and fast load times – Modern tech stack (React, Vue, or plain HTML/CSS/JS for the web; Kotlin or Flutter for Android—open to your recommendation) – Clean, documented code so I can hand it to another developer later if needed – Final deliverables: source files, build instructions, and a brief walkthrough video If you’ve shipped both landing pages and Android apps before and have examples to share, I’...

    $18 / hr Average bid
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    130 bids

    ...visitors toward a clear call-to-action. Strategic placement of buttons, banners, and short enquiry forms will help turn traffic into tangible prospects. Page breakdown All eight pages focus on product details: specs, benefits, and use-case snapshots that position us as the smarter choice. I’ll supply raw copy and images; you transform them into engaging, responsive HTML/CSS (a light touch of vanilla JS is fine for subtle effects, but I’m keeping this static for speed and simplicity). Key expectations • Bright, colourful visual theme executed consistently • Fully responsive across desktop, tablet, and mobile • Clean, semantic code that loads fast and is SEO-ready • Deployment to my pre-configured hosting once I approve the build When th...

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    44 bids

    ...with an integrated inquiry form, plus prominent WhatsApp and click-to-call buttons • Site-wide lead-generation form and social media hooks Technical expectations • Fully responsive layout, cross-browser compatible • Fast-loading, SEO-friendly markup and meta structure • Clean, commented code and logical component hierarchy in React • Lightweight, well-timed animations (CSS or a small JS lib is fine) Deliverables 1. Complete React project (source code) ready for deployment 2. README with instructions on adding new properties and updating content 3. Deployed demo link or build instructions so I can preview the final result Acceptance criteria • Pages render flawlessly on modern desktop and mobile browsers • Lighthouse ...

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    I'm looking for an expert to create visualizations for user behavior data. The primary goal is to help us understand patterns and insights through data visualization. Key requirements: - Expertise in data visualization tools (e.g., Tableau, Power BI, D3.js). - Experience with user behavior data, particularly in website interactions, mobile app usage, or social media engagement. - Ability to transform complex data sets into clear, actionable visual insights. - Strong analytical skills to interpret data and provide meaningful recommendations. Ideal candidates would have a background in data science or analytics and a portfolio showcasing similar projects.

    $6 / hr Average bid
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    37 bids

    ...correctly, but no click event fires, so customers can’t adjust item counts before paying. I need a developer who can jump into the existing website codebase, trace why the JavaScript (or any conflicting CSS/HTML) is blocking the event, and restore full functionality right away. The rest of the checkout flow works fine; the only broken element is this pair of buttons. Deliverables – Updated code (JS/HTML/CSS or framework-specific file) with the bug removed – Brief note of what was changed so I can track it in version control Acceptance criteria 1. Buttons increment and decrement quantity on every click. 2. Values persist through page refresh and continue to the payment step. 3. No new console errors introduced. If you are comfortable debugging l...

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    57 bids

    ...length, nail count and colour breakdown based on the chosen pattern A clear, intuitive interface is important because I’ll be using it while I design in the studio on both desktop and tablet browsers. I don’t mind which modern framework or vanilla stack you favour as long as the final code is clean, documented and easy for me to host myself. Deliverables • Responsive web application (HTML, CSS, JS + any framework you choose) • Source code and build instructions in a Git repo or ZIP • Brief user guide covering image prep, parameter controls and exporting the final pattern (PDF/PNG) Acceptance criteria 1. I can open the site locally, load an image, adjust nails and instantly preview the generated string path. 2. The export file prints at ...

    $248 Average bid
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    42 bids

    ...(no frameworks layered on top), organized with functional components and hooks, and styled for responsive display on both desktop and mobile. Keep the design minimal—ample white space, readable fonts, and a neutral color palette that lets the plot photos stand out. Project Scope: Single-page modern website Focus on open plots ventures/projects Premium and clean UI design Developed using React JS Mobile responsive design Fast loading and SEO-friendly Few blog pages/articles section Contact form & CTA integration Smooth animations/transitions preferred Please deliver: • Fully functional React project with clear component structure • Integration of interactive map, search/filter logic, and contact form • Dummy JSON data set up so I can swap in real ...

    $75 Average bid
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    64 bids

    ... Real-time insight is essential: I want a live panel that refreshes on its own, showing total funds collected, last distribution block/time, number of qualifying holders, and each wallet’s share. Charts are welcome if they help, but the key is a continuously updating feed rather than static tables. You are free to pick whichever modern stack you move quickest with—React, Vue, Svelte, plain HTML/JS, it’s your call—as long as you can plug into Solana RPC or a reliable WebSocket endpoint, sign transactions, and keep the 5-minute cadence humming. Feel free to lean on AI code-generation tools to speed things up; delivery time is the real priority here. Acceptance criteria: • Web UI reachable from a single URL, mobile-friendly. • Creator funds auto...

    $174 Average bid
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    96 bids

    ...recommendation Given your requirements: heavy image library tags are essential backend search is essential likely thousands of images long-term maintainability matters I would NOT invest heavily in custom development on top of NextGEN v4. Why? Because your issue is not a bug. It is a design direction change in the plugin. A developer can patch symptoms: dropdown fixes pagination fixes admin JS fixes …but they cannot easily restore: the old workflow model the legacy admin architecture missing search/tagging behaviour removed UX features You could easily spend thousands and still remain trapped in a plugin ecosystem that is moving away from your core issue: NextGEN became gallery-first instead of library-first Older NextGEN behaved more like: a Digital Asset Manage...

    $331 Average bid
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    173 bids

    ...hand you a set of finished Python scripts. Your job is to wrap them in a FastAPI route so that a user can upload a CSV, trigger the pipeline, and immediately receive a processed CSV for download. A bare-bones, responsive GUI is fine as long as it clearly shows upload, progress, and result links. Key notes • Backend: FastAPI (please keep it idiomatic). • Frontend: use any framework or vanilla JS/HTML—whatever gets the job done cleanly. • Data lives on my SSH server; pull or sync it however you prefer, I can also drop it onto yours if that’s simpler. • Once complete, deploy the whole solution (frontend + API) so I can demo it live. • I’ll provide my design files, access credentials, and the pipeline code the moment we start. De...

    $10 Average bid
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    ...without making design decisions independently. A Squarespace Circle Member developer is preferred to leverage extended trial periods, discounts, and priority support. Key Deliverables: - Build the site on Squarespace 7.1 using the Fluid Engine (no fixed template). - Implement pixel-perfect designs based on HTML wireframes provided. - Custom CSS and code injection for scroll animations and custom JS behaviors (requires Business plan or above). - Add all brand colours (Orange, Chocolate, Cream; Dusty Blue for specific sections) to Squarespace. - Create the following pages: - Home: Master brand homepage. - Weddings: Four wedding galleries. - Commercial: Eight client galleries. - Fine Art Prints: Fine art prints + shop. - Contact: Enquiry form. Ideal Skills & Experien...

    $199 Average bid
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    133 bids

    I need a single-page, corporate-style HTML mock-up of our new CRM booking...team can track prospects at a glance. No sales-figure widgets are necessary yet. Please craft clean, semantic HTML5 paired with organised CSS (Sass/SCSS welcome) and just enough JavaScript to power subtle interactions or animated metrics. The layout must be fully responsive and presentation-ready for both desktop and tablet. Deliverables: • Zipped project folder containing all HTML, CSS/SCSS, and JS files • Placeholder assets or icons illustrating customer info, lead stages, and an AI helper zone • Clear comments in the code so my dev team can later wire it to real data If you have a knack for sleek corporate UI and can make AI elements feel intuitive rather than gimmicky, I’d lov...

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    68 bids

    I’m ready to showcase my work online through a clean, modern, single-page static site. The goal is a portfolio that loads fast, looks sharp ...current yet timeless. • Static architecture: straight-forward HTML, CSS and a touch of vanilla JavaScript (or lightweight framework if you prefer) so I can host it easily on GitHub Pages or a similar platform. • Fully responsive layout that adapts smoothly from mobile to desktop. • Code that’s tidy, commented, and ready for me to tweak later. Deliverables 1. Complete source files (HTML, CSS, JS, assets). 2. A brief read-me explaining file structure and how to deploy. 3. One round of post-launch touch-ups for any minor tweaks I spot within the first week. If the style and scope fit your skill set, let&r...

    $77 Average bid
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    93 bids

    ...panel. • Trigger a confirmation email (or on-screen receipt) for the guest and a notification for the kitchen. • Keep the styling consistent with the current AI-themed design and make sure the flow works smoothly on mobile. Tech stack: the app is hosted on PythonAnywhere, so you’ll be working in a standard Python web framework environment (Flask). If you prefer Django templates or vanilla HTML/JS embeds for the PayPal SDK, that’s fine as long as deployment stays straightforward on PythonAnywhere. Acceptance criteria 1. Customer can add items to a cart, proceed to PayPal, pay, and land back on a success page without errors. 2. Each successful order appears in the admin dashboard with full metadata. 3. Failed or cancelled payments do not create ord...

    $527 Average bid
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    ...as though the new page has always been there. You are free to optimise the HTML, CSS and any light JavaScript, but please avoid reinventing patterns that already exist across the rest of the site. Files I will supply: • Plain text for every section, clearly labelled. • High-resolution PNG/SVG/WEBP/JPG artwork and any necessary image credits. What I expect back: • A responsive webpage (HTML/CSS/JS or the relevant template in our framework) that drops straight into website. • All images correctly optimised, named and referenced. • Any additional style rules neatly scoped so nothing leaks into other pages. Before sign-off I will open the page locally and on staging; acceptance is simply that the design matches our current UX guidelines, renders co...

    $127 Average bid
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    139 bids

    ...as though the new page has always been there. You are free to optimise the HTML, CSS and any light JavaScript, but please avoid reinventing patterns that already exist across the rest of the site. Files I will supply: • Plain text for every section, clearly labelled. • High-resolution PNG/SVG/WEBP/JPG artwork and any necessary image credits. What I expect back: • A responsive webpage (HTML/CSS/JS or the relevant template in our framework) that drops straight into website. • All images correctly optimised, named and referenced. • Any additional style rules neatly scoped so nothing leaks into other pages. Before sign-off I will open the page locally and on staging; acceptance is simply that the design matches our current UX guidelines, renders co...

    $120 Average bid
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    283 bids

    I’m building a decentralized application for the blockchain space and I need a dedicated frontend engineer to turn the product vision into a polished, multi-page interface. The core of the job is to design and code an MPA that cleanly connects to our smart-contract back-end through Web3.js, , or a comparable library, then shepherd it through to production within the next month. Here’s what I’m counting on you for: • Architect and implement the full multi-page flow—landing, dashboard, transaction pages, and any modals or dialogs required for wallet interactions. • Wire the UI to the contract calls, handle state, and present confirmations or errors clearly to the user. • Ensure the layout behaves reliably on desktop and mobile screens alik...

    $3892 Average bid
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    117 bids

    ...exposes, and position the platform for rapid feature growth. I am looking for an experienced Laravel developer/agency to rebuild my existing B2B business directory website. This is a data-heavy platform that manages business listings, member profiles, B2B lead generation, and advertising banners. Current Architecture: • Backend: PHP (CodeIgniter 3) • Database: MySQL • Frontend: Standard HTML/CSS/JS (with jQuery) • Features: Business directory listings, member management, admin dashboard, Excel bulk import/export, and transaction logging. Scope of Work: The primary goal is a complete migration to Laravel (v11 or the latest stable version) while maintaining or improving existing functionality. Key tasks include: 1. Database Migration & Optimization: M...

    $494 Average bid
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    ...viewer hovers, selected facets should react; on click, additional information or visual flourishes should appear; subtle, lightweight animations should keep the figure feeling alive without overwhelming CPU or file size. I’ll need the file to remain fully scalable, cleanly layered, and commented so I can tweak colors or polygon counts later. Feel free to leverage CSS transitions, a light vanilla-JS helper, or a micro-library such as GSAP if that speeds workflow—just keep dependencies minimal and clearly documented. Deliverables: • One optimised .svg containing the complete low-poly human figure • Embedded or external script/CSS driving hover effects, click-to-reveal sections, and looping animations • A brief read-me explaining layer structur...

    $160 Average bid
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    117 bids

    I need a single, modern landing page built for one purpose—capturing leads. The page must load fast, look clean on every device and feel instantly trustworthy. A responsive layout, eye-catching call-to-action buttons and a streamlined contact form are essential, as these elements will drive the conversions I’m after. You can work in WordPress, straight HTML/CSS/JS, PHP or a custom framework—as long as the final build is lightweight, Google-Ads friendly and hits excellent scores on PageSpeed Insights. Basic graphic or banner tweaks are welcome if they help the page pop without slowing it down. Deliverables: • Fully responsive, lead-generation landing page • Integrated contact form that routes to my email/CRM • Prominent CTA buttons, styled for h...

    $75 Average bid
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    99 bids

    ...come from the same pipeline. • SEO optimisation: Produce keyword-rich blog outlines, meta tags, on-page recommendations, and simple performance reports. Preferred approach is a no-code or low-code stack—think ChatGPT or other LLMs, Zapier/Make, plus scheduling tools such as Buffer or Hootsuite—so that I can tweak rules later without touching code. If you feel a light custom script in Python or JS is unavoidable for reliability, that’s fine as long as you document it clearly. Deliverables 1. A documented workflow map showing every trigger, action, and data store. 2. Live automations running in my accounts with sample content verified. 3. A short loom-style walkthrough so I can replicate or adjust the setup. I’ll provide brand guidelines, c...

    $187 Average bid
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    71 bids

    SOVEREIGN ZK-ATOMIC SWAP IMMUTABLE GROTH16 PRIVACY-SWAP ENGINE FOR TRUSTLESS OTC EXCHANGE Project Details Research Focus: Improving Proof of Work (PoW) efficiency and cross-chain confidentiality via zk-SNARKs. The Groundfloor Opportunity: This project represents a unique opportunity to lead the research and implementation of ZK-SNARKs on a nascent PoW chain. We are aiming to achieve what Zcash d..."I agree to the 3-phase, based on my bid for the project i.e ZK-Atomic Swap suite. I confirm: BN254 Solidity verifier, no owner functions, client-side witness generation, <300k gas verification, and as the developer of this project, I will do on my own the necessary for publication on GitHub/Arweave/IPFS." Skills Required Cryptography Blockchain Frontend Development Solidity Smart C...

    $642 Average bid
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    24 bids

    ...across smart contracts and system architecture. - Collaborate closely with frontend developers, product teams, and designers. Technical Requirements: - Strong experience with Solidity and smart contract development. - Deep understanding of EVM architecture and blockchain fundamentals. - Experience with tools such as Hardhat, Foundry, or Truffle. - Familiarity with Web3 libraries (, web3.js). - Experience with DeFi protocols, trading systems, or staking mechanisms. - Understanding of security practices and common vulnerabilities (reentrancy, overflow, etc.). Nice to Have: - Experience working on DeFi platforms, crypto exchanges, or EVM-based ecosystems. - Familiarity with Layer 2 solutions and cross-chain integrations. - Knowledge of backend technologies (Node.js, Python). - E...

    $34580 Average bid
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    Project Title: Web Developer Needed: Color-Matching Web App (Using CIELAB & Delta E 2000) Project Ove...the cloth in the frame. 3 Color Extraction: Once snapped, the app draws the photo to a hidden HTML5 Canvas, extracts the RGB pixels from the center target box, and averages them to get a single RGB value. 4 Color Matching: The app converts that extracted RGB value to CIELAB, calculates the Delta E 2000 distance against my database of 700 colors, and finds the closest match. (You can use open-source JS libraries like ⁠⁠ or ⁠delta-e⁠ for this math). 5 Results Display: Show the top 3 closest matches, displaying the Thread ID Number, the Hex color preview, and the Delta E score for each. Data source - i have physical shade card i will sent it to you Tech- React/ node / mongodb

    $81 Average bid
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    ...mobile and desktop. Technical notes HTML, vanilla CSS and a sprinkle of JavaScript are probably all that is needed, but feel free to propose a micro-framework if it really speeds development without bloating the output. The QR redirection itself can be handled outside this scope; I only need the target page and certificate display logic. Deliverables 1. Clean, commented source files (HTML/CSS/JS). 2. Folder or URL structure ready to receive individual certificate files. 3. Brief README explaining how to swap certificates or point multiple QR codes to different files. Acceptance criteria • Landing page loads in under one second on 4G. • Button is perfectly centred on all common breakpoints. • Certificate opens reliably in both Chrome and Safari ...

    $16 Average bid
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    37 bids

    ...of stubborn bugs must be knocked out, and the interface could use a little polish so it feels crisp on both desktop and mobile. After that tuning work, I want two new capabilities: • A lightweight, secure user-authentication flow so people can sign up, log in, and keep their cleaned tracks in a private workspace. • An embed option that lets a user, once a track is cleaned, generate a small HTML/JS snippet they can paste into any website to display the map/profile. Acceptance criteria • Sign-up / log-in working with proper session handling (JWT or similar is fine). • Embed snippet generator producing a self-contained, copy-ready widget. • Clear README covering setup, build, and deployment. I will provide exact details. If you enjoy squeezing speed from...

    $151 Average bid
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    169 bids

    .../helsinki-storage-unit) Meta titles and descriptions per page Schema markup (LocalBusiness + Service schema preferred) + OpenGraph tags for social media sharing Google indexing optimized structure SEO is the most important part of this project. 3. Performance & Technical Mobile-first responsive design Very fast loading speed (Core Web Vitals optimized) Clean and lightweight code (HTML/CSS/JS preferred) AI-assisted development is acceptable 4. Monetization / Tracking Setup Google Analytics (GA4) integration Google Ads / AdSense placeholder areas (optional) Google Tag Manager setup (if recommended) 5. Design Style Simple, clean, Scandinavian-style design Minimalistic and professional look Focus on clarity and conversion (not fancy UI) 6. Content & Assets I will provi...

    $176 Average bid
    $176 Avg Bid
    396 bids

    ...traditional Matka boards but stay modern enough to look great on today’s smartphones. Lightweight animations are welcome as long as they don’t slow the experience. For payments, I only need local bank transfer integration at this stage. Please code it modularly so additional gateways (PayPal, Stripe, etc.) can be slotted in later without major rewrites. Deliverables: 1. Source code (HTML, CSS, JS, PHP/CodeIgniter, Node.js) in a Git repo. 2. Database schema and sample data for quick seeding. 3. Short deployment guide for a typical LAMP + Node environment. 4. One round of minor tweaks after initial hand-off. Acceptance criteria: All three core features must work flawlessly on both desktop and mobile browsers, page loads under 2 seconds on 4G, and Lighthouse sco...

    $265 Average bid
    $265 Avg Bid
    64 bids

    ...straightforward—think balanced typography, muted tones, and a clear hierarchy—while maintaining full responsiveness across desktop, tablet, and mobile breakpoints. The core layout should include the standard email/username and password fields, plus the following must-have elements: • Remember me checkbox • Forgot password link • Sign-up link I’m happy for you to choose the front-end stack (plain HTML/CSS/JS, Bootstrap, Tailwind, etc.) as long as the final code is well-structured, accessible, and easy for my in-house team to extend. Please deliver production-ready files along with a short read-me explaining any build steps or dependencies. If you have examples of previous classic or heritage-inspired UI work, feel free to share them so I c...

    $7 / hr Average bid
    $7 / hr Avg Bid
    183 bids
    Figma To HTML
    3 days left

    Convert PSI Games online page figma into responsive HTML code with fonts, graphics, CSS and JS

    $120 Average bid
    $120 Avg Bid
    1 bids

    ...UI, wire it into the current React state management, and make sure styles switch cleanly without page reloads. 3. Confirm everything looks and behaves correctly on common desktop breakpoints and mobile widths. A light round of responsive tweaks is fine as long as the layouts stay intact. Technical stack you’ll touch: • React (functional components, hooks) • Node.js/Express REST API • CSS-in-JS and plain CSS that’s already in the project Deliverables • Updated repo (or zip) with the profile bug fixed and dark mode fully integrated • Brief change log or markdown notes outlining the files you touched and why • Any commands or environment variables I need to run it locally Keep your code readable, comment where logic isn’t o...

    $23 Average bid
    $23 Avg Bid
    96 bids

    ...short story, mint button placeholder and social links. A simple, on-brand hero section and a smooth scroll experience are more important than complex animations. Acceptance criteria 1. Each NFT is delivered as both a flattened PNG and the fully layered source file. 2. The landing page loads correctly on desktop and mobile, passes basic accessibility checks and is handed over as clean HTML/CSS/JS or a Figma file ready for development. Minting NFT's should be the website abilities. 3. Colour, typography and overall look of the page match the chameleon artwork so the whole package feels cohesive....

    $457 Average bid
    $457 Avg Bid
    122 bids

    ...load times through image optimisation and lightweight code. • Add an easy way for me to update or add new work—Markdown, simple CMS, or well-commented HTML is fine as long as it stays minimal. • Deploy to Netlify (or migrate smoothly to another host if that proves better). Essential Deliverables 1. Fully functional website matching the modern, minimal aesthetic. 2. Source files (HTML/CSS/JS or React/Vue) with clear structure and comments. 3. Instructions for adding future artwork and maintaining the site. 4. Final deployment live at my custom domain, error-free and performance-tested. Acceptance Criteria • Visual consistency with a neutral colour palette, generous white space, and intuitive navigation. • Mobile, tablet and desktop break...

    $232 Average bid
    $232 Avg Bid
    92 bids