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10.0
10.0
98%

surat, India
$15 USD per hour
Thank you for checking out my profile first. I'm a FULL-STACK developer with over 8 years of experience in website and mobile app development. ❇️ MY MAIN EXPERTISE INCLUDES ❇️ ➡️FRONTEND ➔ Angular JS, React, Vue.js, Express.js, PSD, HTML, CSS, Bootstrap ➡️BACKEND ➔ PHP, NodeJS, Laravel, Cakephp, Codeigniter ➡️CMS ➔ WordPress ➡️DB ➔ MySQL, MongoDB ➡️Python ➔ Django, Flask, Scrapping, Scripting, Odoo, Pandas, Data Analysis, Trading Script (Pinescript) ➡️Mobility ➔ iOS & Android (Flutter, Kotlin, React Native) ➡️Shop ➔ Shopify (Liquid), Woocommerce ➡️AI & ML Tools ➔ GPT-3.5/4, OpenAI, LangChain, Whisper, ElevenLabs, Huggingface, Stable Diffusion, TensorFlow, Pandas, NumPy, and chatbot development (text + voice). ➡️Automation & Integration ➔ Web scraping, workflow automation, API integration, Airtable, Notion, Google Sheets, FastAPI, and trading bots (Pine Script). ➡️Servers ➔ Dedicated, Shared, VPS, Private Servers ➡️Marketing ➔ SEO + DIGITAL MARKETING ➡️Design ➔ UI / UX Design, Photoshop, Adobe XD, Figma, Sketch, InVision ➡️Game ➔ UNITY 2D / 3D ❇️ WHAT YOU CAN EXPECT ❇️ ➔ Daily Communication With Quick Replies To Messages ➔ Daily Work Update Report On Worked Things Of That Day ➔ Bug-Free Work With Proper Testing As I Know That Client Is Not Tester ➔ Guaranteed Work ➔ Ongoing Support As Needed Bases Sounds interesting? Let's have a quick Freelancer call/chat to discuss your project.

9.8
9.8
99%

Rajkot, India
$25 USD per hour
We help businesses build modern digital products that automate operations, improve efficiency, and scale with confidence. With 12+ years of experience on Freelancer, we specialize in AI automation, SaaS development, custom web applications, CRM/ERP systems, API integrations, and eCommerce solutions. We focus on turning complex business requirements into practical, scalable software that delivers real value. We work with clients who need: ✔ AI chatbots & ChatGPT / OpenAI integrations ✔ Workflow automation & smart business tools ✔ SaaS platforms & multi-tenant systems ✔ Admin panels & reporting dashboards ✔ Laravel, React, Next.js, Node.js development ✔ Shopify, WooCommerce & payment integrations ✔ CRM, ERP & API integrations ════════════════════════════ 🚀 SERVICES ════════════════════════════ ✔ AI Development & Automation ✔ SaaS Platforms & Web Applications ✔ CRM / ERP Systems ✔ Custom Software Development ✔ eCommerce Solutions ✔ API Development & Integrations ════════════════════════════ ⚙ FULL-STACK DEVELOPMENT ════════════════════════════ ✔ Laravel / PHP Backend ✔ React.js / Next.js Frontend ✔ Node.js APIs & Services ✔ REST API & Third-party Integrations ════════════════════════════ 🤖 AI & AUTOMATION ════════════════════════════ ✔ ChatGPT / OpenAI Integration ✔ AI Chatbots & Assistants ✔ Workflow Automation ✔ Smart Dashboards ════════════════════════════ 🧰 TECH STACK ════════════════════════════ Frontend: React.js, Next.js, Vue.js, JS, TS Backend: Laravel, PHP, Node.js, Python Database: MySQL, PostgreSQL, MongoDB, Redis Cloud: AWS, GCP, Azure, Docker AI: OpenAI, LangChain, RAG workflows CMS: Shopify, WordPress, WooCommerce Integrations: Stripe, PayPal, Zapier, HubSpot, Zoho, Salesforce We combine technical expertise with clear communication and reliable delivery. If your project involves AI, SaaS, automation, or advanced web development, we are ready to help.

8.3
8.3
94%

Karachi, Pakistan
$25 USD per hour
We build AI-powered software systems, intelligent automation workflows, AI agents, MCP servers, and scalable SaaS platforms for startups, agencies, and enterprises. Our expertise includes AI agent architecture, workflow automation, OpenAI integrations, multi-agent systems, MCP server development, CRM automation, business process automation, and enterprise-grade web applications. We help businesses automate operations, reduce manual work, improve customer experience, and scale faster using modern AI technologies. 🚀 Core Expertise: ✔ AI Agents & Autonomous Systems ✔ MCP Server Development ✔ OpenAI, Claude & Gemini Integrations ✔ AI Chatbots & Assistants ✔ n8n & Workflow Automation ✔ AI CRM & Business Automation ✔ SaaS Platforms & Enterprise Applications ✔ Laravel, React, Node.js & APIs ✔ Multi-Tenant Architectures ✔ Cloud Infrastructure & DevOps 💡 We specialize in: • AI-powered CRM systems • AI customer support agents • Business workflow automation • AI lead qualification systems • AI dashboards & analytics • AI-enhanced marketplaces • AI-integrated ERP/CRM platforms • Voice AI & AI chat systems • Custom MCP server implementations Our focus is delivering scalable, secure, maintainable, and revenue-driven AI software solutions with long-term business value.

8.5
8.5
94%

surendranagar, India
$25 USD per hour
Hi, We are full-stack developers here on Freelancer. We've worked on everything from frontend to backend to middleware, building applications, and solutions that have allowed my clients to put out the best possible web products possible. We are fluent and experienced in a number of different languages, technologies, and frameworks, including (but not limited to): o Magento o Power BI o Data analysis o UI/UX design o SEO o Android/iOS o Javascript o Kotlin o Angular o Odoo o PHP o Node.js o REST API Development o RabbitMQ o Wordpress o HTML o CSS o GitHub o BitBucket This is not a full list, so please feel free to reach out about any software or language needs your project specs to require. With my team of 30, I've created some wonderful projects, including a fully-developed website for a Jewellery store client and a Bitcoin project that required full-scope functionality (wallet, trading, withdrawals, etc.). We've worked with some fantastic clients and have developed a wonderful amount of knowledge and expertise through them. If you're interested in working with my team and I, please reach out! We're always quick to respond and are available 24/7, and can't wait to work with you!

8.6
8.6
98%

JAIPUR, India
$40 USD per hour
Eplanet Soft is a web/mobile app solutions company which specializes in Web design and development, Mobile App Development and SEO Services creating a strong brand presence and providing expert training in the field of web/mobile development and related technologies. We work on projects related to Core PHP, Laravel, Cake PHP, Wordpress, Opencart, Magento, Joomla, Android, E-Commerce, HTML, HTML5, CSS, CSS3, Bootstrap Designs and many more. We have worked for more than 600+ clients already and all are very much happy with services. Our Office timings as per GMT +5.30 are Morning 10 A.M. to 7 P.M. We always focus on maintaining long-term as well as healthy relationships between clients.

9.4
9.4
97%

Jaipur, India
$25 USD per hour
Helpful Insight is a trusted and renowned entity specializing in developing top-tier web apps, mobile apps and digital solutions. We are proud to be the top choice in the tech market for leading enterprises and have offered our services to many clients around every corner of the world. With over 50+ adept professionals, we possess the insight and expertise to address diverse client requirements. Our track record of achievements includes serving 500+ esteemed clients and 650+ successful project deliveries, reflecting our extensive global footprint. Being an offshore development company, we recognize the need for our employees to be proficient with communication, and working in close collaboration with offshore clients. What sets us apart is our unwavering dedication to delivering unparalleled customer service. We focus on clear communication, seamless collaboration, and a thorough understanding of clients' goals. We foster close relationships, providing invaluable insights, expert advice, and ongoing support throughout and beyond the development process. TECHNOLOGY STACK Our extensive technology stack encompasses: ➡️FRONTEND : PSD, HTML, CSS, Bootstrap, Vue.js, React JS, Express.js, AngularJS, ➡️BACKEND : PHP, NodeJS, Laravel, CakePHP, CodeIgniter, Python, ASP.NET, Django, Flask, Java ➡️CMS : WordPress, Shopify ,Magento ➡️DB : MySQL, MongoDB, SQL ➡️Mobility : iOS & Android, Flutter, React Native, Ionic, SaaS, Xamarin ➡️Marketing : SEO & Digital Marketing ➡️Shop : Shopify , WooCommerce ➡️Design : UX/UI, Graphics, Illustrator, Adobe XD, FIGMA, LOGO, Website design, App screen designing, wireframe ➡️Version Control: GitHub, GitLab

9.7
9.7
96%

Karachi, Pakistan
$40 USD per hour
At HashOne Creatives, we deliver AI-driven solutions, powerful web platforms, and mobile applications that help businesses automate, scale, and innovate. With a global team of 200+ experts across the US, UAE, and Pakistan, we combine deep technical expertise with a client-first approach to build solutions that create real business impact. ✅ Our AI Expertise We’ve built solutions across industries like education, healthcare, media, recruitment, and business automation, helping clients stay ahead in the digital age. ✔️ Generative AI – Turning text prompts into images, videos, avatars, and branded content. ✔️ Business AI Assistants – Automating inbound & outbound communication across calls, WhatsApp, SMS, and emails with appointment booking and knowledge-base support. ✔️ Identity Verification – End-to-end KYC automation using OCR, face recognition, liveness detection, and biometric checks. ✔️ Language Learning & Training – AI-powered tutors for practicing English or preparing for professional interviews with real-time evaluation. ✔️ Voice AI & Dubbing – Automated outbound lead-calling, voice cloning, and dubbing tools for multilingual media publishing. ✔️ Sports & Media AI – Real-time multilingual sports commentary and automated video editing for content creators. ✔️ Recruitment & Search – Smart enterprise search tools that let recruiters filter and discover talent through natural language queries. ✅ Web & Mobile Development Alongside AI, we also deliver scalable and secure platforms for startups and enterprises: ✔️ Web Applications – React.js, Next.js, Node.js, Laravel, Django. ✔️ Mobile Apps – Native iOS/Android, Flutter, React Native. ✔️ Cloud & APIs – AWS, Azure, Google Cloud, 3rd-party API integrations. ✔️ Enterprise Solutions – CRM, ERP, and workflow automation. ✅ Why Choose Us? ✔️ 200+ Technology experts across multiple Global locations ✔️ Proven expertise in delivering enterprise-grade AI and digital platforms ✔️ End-to-end services – from concept to deployment & ongoing support ✔️ Agile, scalable, and secure solutions tailored to your business ✔️ Transparent communication & Agile delivery ✔️ Long-term support, maintenance & product scaling ✔️ Business-Focused Approach That Prioritizes ROI Whether you're building an AI startup, modernizing legacy systems, launching a SaaS platform, or creating a mobile application, our team is ready to help you bring your vision to life. Let's build technology that creates measurable business value.

10.0
10.0
99%

Jaipur, India
$45 USD per hour
• 18+ Years in Web and Mobile Apps Development • Ranked #1 PHP developer • Free project documentation • Free after delivery support CONTACT US TODAY FOR YOUR PROJECT! Click the "Hire Me!" Button on my profile We at Logicspice build custom mobile apps and web applications with the team of inhouse experts having extensive experience over PHP Laravel, Python, Django, React.js, Next.js, Vue.js, Angular.js, React Native along with experience on working with many AI based projects. # Service Highlights # ✓ Logicspice has been awarded as one of the Top 10 Leading Solution providers over Freelancer.com. ✓ Custom and Complex Mobile apps and Web application Development. ✓ Rich Experience with popular CMS and ecommerce like Wordpress, Magento and opencart. ✓ Best industry reviews for Logicspice. • iOS and Android hybrid mobile app development • web applications using Laravel PHP, Django & Wordpress. !! Additional Benefits !! - Extensive quality check and testing. - Documentation and Suggestions for improvements. - Support and Maintenance with quick turnaround time. - Discounted price for long term or big volume of work.

9.7
9.7
98%

Gurugram, India
$45 USD per hour
Custom Software, AI and SaaS Product Studio. 14 Years, One Platform. We have built exclusively on Freelancer.com for 14 years. 500+ projects delivered. 5.0 rating across 512 reviews. 23% repeat hire rate. This is our only sales channel, so every project gets our full attention, not overflow from an agency spread across ten platforms. What we build Custom software and SaaS platforms. Full stack, scalable, built to hand off cleanly. AI native products. ChatGPT, Claude and Gemini integrations, AI chatbots, voice agents, workflow automation. Ecommerce and marketplaces. Shopify, WooCommerce, multivendor platforms. WordPress, Laravel, React, Next.js and Node.js. Production grade, not template work. You will work directly with Akash (CTO, 14 years on this platform) and Shubham or Divya (client relationship leads, named by clients in reviews going back years). The same people from your first message to final delivery. No account handoffs, no rotating project managers. 152 professional recommendations back that consistency. 100% in house team. No outsourcing. We treat every project as if we are the ones maintaining it three years from now, because often we are. Some clients have stayed with us since 2012. If your project does not need custom development, we will tell you before you spend the money. Core expertise Frontend: React, Next.js, Vue, Angular, TypeScript Backend: Node.js, Express, NestJS, Laravel, FastAPI, Core PHP Mobile: React Native, Flutter Databases: PostgreSQL, MongoDB, MySQL, Supabase Cloud: AWS, Google Cloud, Docker AI and Automation: OpenAI, Claude and Gemini APIs, RAG pipelines, LangChain, AI agents CMS and Ecommerce: WordPress, Shopify, WooCommerce, Wix, Squarespace, BigCommerce, Magento, Joomla, OpenCart, Weebly, Webflow, GoDaddy Website Builder, headless CMS Payments, Billing and Subscriptions: Stripe, Stripe Connect, PayPal, Razorpay, WooPayments, NOWPayments, ccBill, LemonSqueezy, Peppol Voice and Telephony: VAPI for inbound and outbound call orchestration with function calling, Twilio for phone number provisioning CRM and Automation: HubSpot, Zapier Lead Generation and Landing Pages: HubSpot, Odoo, Webflow, GoHighLevel, Apify, Outscraper Email and Communication: Postmark, Nodemailer, Mailivery, Gmail API, Microsoft Graph API, Yahoo IMAP, SendGrid AI Assisted Development: Cursor, Replit, Bubble, WeWeb, Lovable, Bolt, Base44 Let's talk about what you are trying to build.
A Web3.js developer is a blockchain engineer who uses the Web3.js JavaScript library to connect web applications to Ethereum and EVM-compatible networks, enabling smart contract interaction, wallet integration, and on-chain transactions. Hiring a skilled Web3.js developer lets you ship decentralized applications, token dashboards, NFT marketplaces, and DeFi interfaces that talk reliably to the blockchain from a browser or Node.js backend.
Web3.js is the original Ethereum JavaScript API, and a freelance Web3.js developer specializes in writing the client-side and server-side code that bridges your application with smart contracts deployed on Ethereum, Polygon, BNB Chain, Avalanche, Arbitrum, Optimism, and other EVM chains. They handle the full integration layer: provider setup, wallet connection, contract instantiation from ABIs, transaction signing, gas estimation, event subscription, and error handling.
Commercially, this work matters because the integration layer is where most dApps fail. Poor transaction handling, broken wallet flows, or unverified contract calls cost users funds and trust. A competent Web3.js developer writes resilient code that handles dropped connections, reorged blocks, failed transactions, and chain switches gracefully.
A freelance Web3.js developer typically delivers production-ready code, integration modules, and documentation. Common deliverables include:
Web3.js developers usually work alongside a wider blockchain toolchain. Expect proficiency with:
Web3.js developers serve a wide range of blockchain-driven projects. Typical engagements include DeFi protocols building swap interfaces, lending dashboards, and yield aggregators; NFT marketplaces and minting sites that need ERC-721 and ERC-1155 integrations; GameFi studios connecting in-game economies to on-chain assets; DAO tooling for governance voting, treasury management, and proposal execution; token launch platforms running presales, vesting, and airdrops; and enterprise pilots tokenizing real-world assets, supply chain records, or loyalty programs on private EVM chains.
Strong candidates demonstrate hands-on Ethereum experience, not just general JavaScript skills. Look for portfolio links to deployed dApps, public GitHub repositories with smart contract integrations, contract addresses you can verify on a block explorer, and a clear understanding of EVM mechanics. Confirm they can read Solidity well enough to debug failing transactions, and check that they have shipped projects on at least one mainnet, not only testnets.
Useful interview questions to copy:
Ask for a small paid trial task, such as wiring up a token approval and transfer flow against a testnet contract, before committing to a long engagement.
Freelancer.com gives you access to a global pool of blockchain engineers, with profiles spanning solo Solidity-and-Web3 specialists, full-stack dApp developers, and small studios that handle smart contract audits alongside front-end integration. You can review verified portfolios, ratings, completion rates, and client reviews before you shortlist. Milestone Payments protect your funds until each deliverable is approved, and the platform's chat and file-sharing tools keep ABIs, contract addresses, and design specs organized in one place. Whether you need a one-week wallet integration or a multi-month dApp build, freelancers on Freelancer.com are ready to bid on your scope.
Hiring the right Web3.js developer comes down to writing a precise brief, reading bids critically, and verifying on-chain experience before you award. The steps below walk you through the process and the specific signals that matter for blockchain integration work.
The brief is the single biggest determinant of bid quality, because Web3.js work is technical and ambiguous scopes attract mismatched candidates. Head to the
Bids are short proposals, not just price quotes. A strong Web3.js bid will reference your specific chains, ask about contract details, and propose an approach for transaction handling, error states, and wallet support. Read each proposal carefully and shortlist developers who clearly understood the brief.
Final selection combines proposal quality with profile evidence. For Web3.js work, consistency matters more than a single flashy project, because reliable transaction handling shows up across many small builds. Verify that the freelancer has shipped to mainnet, not just demos.
Web3.js and Ethers.js are both JavaScript libraries for interacting with Ethereum, but they have different APIs and design philosophies. Web3.js is the original library with a broader feature set and long-standing community adoption, while Ethers.js is more modular and lightweight. Many developers are fluent in both, so confirm which library your existing codebase uses before hiring.
You need a Solidity developer to write and deploy smart contracts, and a Web3.js developer to connect your application to those contracts. Many freelancers do both, especially on smaller projects, but on larger builds it is common to split the roles so each specialist focuses on their layer.
Yes. Web3.js works with any EVM-compatible network, including Polygon, BNB Chain, Avalanche C-Chain, Arbitrum, Optimism, Base, and private enterprise chains. The developer simply points the library at the appropriate RPC endpoint and chain ID.
A focused integration like wallet connection plus a single contract flow can take a few days, while a full dApp front end with multi-chain support, event indexing, and transaction history can take several weeks. Timeline depends on contract complexity, design scope, and how much testing is required across networks.
Yes. Many freelancers on Freelancer.com take on short bug fixes, audits of existing integrations, or feature add-ons such as adding a new chain, fixing a broken transaction flow, or migrating from a deprecated provider. Post a clear scope and you will receive bids from developers who can start quickly.

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