
Millions of people use Freelancer to turn their ideas into reality.
Trusted by leading brands and startups
Post your project for free and connect with skilled freelancers ready to start today. Compare bids, ratings and portfolios, and only pay when you're happy with the work.
~150 sec
to first bid
53+
bids per project
5k+
freelancers online
No upfront cost · pay only when you're happy with the work

9.2
9.2
98%

Jaipur, India
$20 USD per hour
Welcome to Appquipo! We are a Mobile Application Development team that is well-respected for our captivating, innovative, and one-of-a-kind mobile app designs. Our certified team of App Experts has more than 10 years of comprehensive experience in this field and has worked with some absolutely phenomenal clients to create a stunning portfolio of work. Through our expertise, we offer the following services: ✅Salesforce Expertise – Commerce Cloud, Marketing Cloud, Sales Cloud, Service Cloud, Analytics, Salesforce Einstein, Salesforce -- CRM, Salesforce Mobile App ✅eCommerce Expertise-- Magento 2, Shopify, BigCommerce, WooCommerce, OpenCart, Shopware, ✅Languages Expertise -- PHP(CorePHP, Laravel, Cakephp, Yii, Yii2, Symfony, CodeIgniter, Zend), Angular, Node, React ✅Mobile Platforms - iOS, Android, Xamarin, Flutter, ionic Phone-gap, React Native, All On-Demand App ✅Software – ERP & CRM Development, SaaS products, Database Solutions Management, Supply Management, HRM, Booking Software, e-Learning As you can see, our offerings encompass a number of areas, and we can confidently say that we deliver some of the best services and assets in each of these areas. Whether you need a new app built, or an existing app reconfigured or edited, we will work with you to fix all your problems. We do this through consistent communication and in-depth planning and brainstorming. We will also meet all deadlines and budgetary limits, so there never needs to be any stress about deliverables. If you’re interested in working with us, you can reach us on Freelancer, where our team will gladly answer any questions you may have about our work, portfolio, reviews, or skill set. So please, let us know how Appquipo can help you today!

9.3
9.3
97%

Jaipur, India
$25 USD per hour
>>EmizenTech: Pioneers in Digital Solutions ✅ 10+ Years of Trailblazing Experience in IT ✅ 420+ Thriving eCommerce Stores ✅ Top Mobile App Development Company Worldwide ✅ Transparency, Timely Delivery, and Best Practices ✅ Certified Expertise in AdobeCommerce, Shopify, Shopware, Odoo, Salesforce, iOS, Android and More Who We Are: EmizenTech, Your trusted digital partner based in the US, UK, and India For over 10+ years, we've excelled in delivering top-notch eCommerce platforms, modern mobile apps, and innovative tech services. Why Choose EmizenTech: Adobe Commerce (Magento) Masters: 200+ Magento stores developed by our certified Magento professionals. Services range from themes and extensions to Magento 2 services like installation, customization, and multi-store setup. Shopify Specialists: Crafted 220+ Shopify stores designed to perfection. Our custom Shopify services cover all aspects, from design and development to post-launch support. Mobile App Experts: Recognized globally, we develop native, hybrid, and cross-platform mobile applications. Full-stack Talent: Our technical skills encompass PHP Frameworks like Laravel, Zend, and CodeIgniter, as well as JS Frameworks such as Angular.JS, React.JS, and Node. JS. Salesforce Savvy: Comprehensive Salesforce solutions from consulting and development to AppExchange and cloud services. Highlights: ✅ E-Commerce & Retail ✅ Real-Estate & Property Management ✅ FinTech and BlockChain ✅ Healthcare & Wellness ✅ Social Media & Networking ✅ IoT (Internet of Things)✅Artificial Intelligence ✅Machine Learning Tech Stacks, We Excel In: ✔ Mobile Apps: Android | iOS | React Native | Flutter ✔ Web Dev: PHP | Laravel | Zend | CodeIgniter | CakePHP | WordPress | Magento | Shopify | Opencart ✔ JS Development: Angular | React | Node | Vue | Express ✔ Databases: MongoDB | MS SQL | MySQL | Oracle | PostgreSQL | SQLite ✔ Salesforce Services: Consulting | Development | Administration | AppExchange | Cloud Services ✔ 24/7 Support: Always there for you! Join Our Journey Whether your budget is $500 or $100,000, every project is an opportunity for us to deliver excellence. We cherish each moment of our journey and are eager to forge successful partnerships. Let’s transform your digital dreams into reality!

8.5
8.5
99%

Peshawar, Pakistan
$30 USD per hour
Hi, I’m Muhammad Asad, a 𝗣𝗵𝗗 𝗶𝗻 𝗔𝗿𝘁𝗶𝗳𝗶𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 with 12+ years of experience in AI software development, automation, and research( 𝟮𝟬+ 𝗣𝘂𝗯𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 ). ✅𝗦𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹𝗹𝘆 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝟲𝟬𝟬+ 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗮𝗰𝗿𝗼𝘀𝘀 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗶𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 ♛ 𝗔𝗜 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 AI Automation • Business Process Automation • AI Chatbots • LLM Applications • RAG Pipelines • AI Assistants • Text-to-SQL • API Integrations • WordPress & E-commerce Automation • Custom AI Systems ♛ 𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵 & 𝗔𝗜/𝗠𝗟 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 Machine Learning • Deep Learning • Data Science • Predictive Modeling • Data Analysis • Feature Engineering • Feature Selection • Meta-Learning • AutoML • Computer Vision • Image Classification • Image Segmentation • Object Detection • Multimodal AI • Vision-Language Models (VLMs) • NLP • Generative AI • Text-to-Image Models • Healthcare AI • Federated Learning • Edge AI • TinyML • Embedded AI • LLM Fine-Tuning • Prompt Engineering • GPT-4 • Claude • Gemini • LLM Evaluation • Hallucination Detection • Groundedness • Faithfulness • Edge Case Handling • LLM Guardrails ♛ 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 Data Science • ETL • Web Scraping • APIs • Data Cleaning • EDA • MLOps • Docker • Kubernetes • CI/CD • AWS • GCP (Vertex AI, BigQuery) • FastAPI • Flask • Django • Node.js • React • TypeScript ♛ 𝗔𝗰𝗮𝗱𝗲𝗺𝗶𝗰 & 𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵 𝗪𝗿𝗶𝘁𝗶𝗻𝗴 IEEE • Springer • Elsevier • ACM • Research Papers • Literature Review • SLR • Research Proposals • Grant Writing • Thesis Writing • Dissertation • Proofreading • Turnitin • APA • MLA • Harvard • IEEE Formatting ♛𝗢𝘁𝗵𝗲𝗿 𝗦𝗸𝗶𝗹𝗹𝘀 Computer Engineering • Software Engineering • Databases • System Design • Networking • Cloud Computing • Big Data • Data Analytics • Statistical Analysis • Mathematics •Web Development • Software Testing •Embedded Systems •Business & Finance • Project Management • E-commerce •Resume Writing •Bioinformatics • Freelancing • Trading • Crypto • Binance ♛ 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 ✔ 20+ Research Publications ✔ 600+ Completed Projects ✔ End-to-End AI System Development ✔ Production-Ready Solutions ✔ Clear Communication & Long-Term Collaboration I combine research-level expertise with real-world engineering to deliver AI solutions that actually work in production. ✉️ Message me to get started or schedule a 𝙛𝙧𝙚𝙚 30-𝙢𝙞𝙣𝙪𝙩𝙚 𝙘𝙤𝙣𝙨𝙪𝙡𝙩𝙖𝙩𝙞𝙤𝙣 ✅

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.

9.7
9.7
97%

Jaipur, India
$10 USD per hour
Hi there! Thank you for visiting our profile! *** We have now earned 'Expertise' level in AI, ChatGpt and a couple of other AI platforms for App development and other Chatbot work! *** As a small yet highly skilled team of developers, we specialize in a limited but comprehensive tech stack, ensuring proficiency in each technology we utilize. Over the past 15+ years, we have successfully developed over 400+ mobile apps for Android and iPhone, leveraging both Native SDK and Flutter. Additionally, we have completed 80+ projects in ASP.NET, showcasing our diverse range of features and skills. Furthermore, we have also created a number of Windows desktop apps. Our extensive experience across these platforms enables us to deliver exceptional results for your project. ➡➡Rated as TOP 2% by Freelancer.com for Mobile apps and Web development. ➡➡Our area of expertise includes Android (Java, Kotlin), iPhone (Objective-C, Swift), Flutter, ASP.NET , C#, MS SQL. ➡➡Our success story is published in Freelancer.com's Coffee Table book and We rated among Top 30 freelancers in world. We can share that Coffee Table ebook over the Chat Or you can checkout at Freelancer.com's community page: https://www.freelancer.com/community/articles/app-developer-builds-company-from-guts-and-passion For more details, please contact us via Freelancer.com's chat system. Thank you, Jas (Logictrix)

9.4
9.4
99%

Manchester, United Kingdom
$34 USD per hour
Dream Solutions is a team of highly skilled developers, designers, and technology professionals dedicated to delivering exceptional digital solutions. We combine technical expertise, creativity, and a client-focused approach to provide high-quality services and products that meet the highest industry standards. Our team has extensive experience working with a wide range of technologies, frameworks, and software stacks, enabling us to develop tailored solutions that align with our clients unique business goals. Whether it's web development, mobile applications, custom software, UI/UX design, or cloud-based solutions, we are committed to delivering reliable, scalable, and innovative results on time and within budget. At Dream Solutions, we pride ourselves on building long-term partnerships by consistently exceeding expectations through quality, efficiency, and professional excellence.

8.9
8.9
95%

Sargodha, Pakistan
$30 USD per hour
Top 3% Freelancer Team | Websites, UI/UX, Ecommerce, SEO, Social Marketing & AI Automation We help businesses build high-converting websites, ecommerce stores, landing pages, web applications, SEO-ready pages, digital marketing funnels, social media campaign assets, and automation systems. Our strongest work is UI/UX, frontend development, WordPress, Shopify, full-stack web apps, SEO/GEO, digital marketing, social media marketing, and AI/CRM automation. ◆ What We Build & Improve ✓ UI/UX design, frontend interfaces, and landing pages ✓ WordPress, Elementor, Shopify, and ecommerce stores ✓ Full-stack web apps, dashboards, portals, and backend systems ✓ SEO, GEO, website audits, speed, analytics, and optimization ✓ Digital marketing, social media setup, campaigns, and tracking ✓ AI chatbots, CRM workflows, automation, and API integrations ◆ Digital Growth Services ✓ SEO and website optimization ✓ Social media marketing setup ✓ Google Ads / Facebook Ads tracking ✓ Google Analytics and conversion tracking ✓ Landing pages for paid campaigns ✓ Ecommerce product and campaign optimization ◆ Profile Strength ✓ 455+ client reviews ✓ 448 completed Freelancer projects ✓ 4.91 overall rating ✓ Top 3% Freelancer profile ✓ 7+ years of delivery experience ◆ Why Clients Choose Us ✓ Strong design plus development execution ✓ Clear communication and milestone-based delivery ✓ Mobile-first, fast-loading, client-editable websites ✓ Marketing-ready pages built for leads, sales, and growth If you need a reliable team to improve your website, store, app, marketing funnel, or digital workflow, we can help plan and deliver it properly. Kausar & The Development Team ❤️

8.3
8.3
96%

Dhaka, Bangladesh
$20 USD per hour
If your website is struggling to rank, not converting enough visitors, missing local visibility, or not positioned properly for AI-driven search platforms, I can help identify what is holding growth back and build a clear execution plan to fix it. With 12+ years of experience, I focus on the full organic growth system, not just rankings. That includes technical SEO, site structure, content quality, search intent, local visibility, AI search readiness, user experience, and conversion flow. I also bring hands-on experience working with Inc. 5000 award-winning company. I help eCommerce and local service businesses build sustainable organic growth through a data-driven SEO and growth system that connects technical SEO, content strategy, search intent, local visibility, AI Search Visibility, CRO, and conversion-focused website improvements. For eCommerce brands, I have worked across fashion, health and wellness, supplements, CBD and other competitive markets. My role goes beyond SEO alone. I focus on building a connected growth system where SEO, content strategy, CRO, product and category visibility, landing pages, tracking, paid traffic support, social ads, Google Ads, email flows, and website improvements all support the same business goal. This approach has helped brands improve the full customer journey, increase conversion opportunities, and generate 6-figure revenue through a complete growth strategy. For local businesses, I focus on improving visibility where customers are actually searching. That includes Google Business Profile optimization, service page structure, location pages, local content, citations, internal linking, review signals, and authority building. My work has helped local businesses increase organic traffic, qualified leads, calls, and bookings in competitive service markets. I also support WordPress and Shopify development when SEO issues are tied to the website itself. That may include improving site speed, page structure, mobile experience, landing pages, product pages, collection pages, service pages, navigation, internal linking, and CRO elements so the site is easier to rank, easier to manage, and better built for conversions. What I Can Help With ⭐ Organic Growth Strategy ⭐ SEO Growth Strategy ⭐ AI Search Visibility ⭐ Keyword & Competitor Research ⭐ Technical & On-Page SEO ⭐ Content Strategy ⭐ Content Creation following E-E-A-T ⭐ Link Building Strategy ⭐ WordPress Development ⭐ Shopify Development ⭐ CRO & UI/UX Improvements Why Work with Me? ✅ 12+ years of SEO, Content, CRO, and Website experience ✅ Experience in competitive markets like supplements, weight loss, CBD, wellness and Fashion ✅ Strong understanding of Organic Growth, eCommerce SEO, Local SEO, and AI Search Visibility ✅ SEO strategy focused on traffic, leads, conversions, and revenue ✅ Clean, sustainable SEO without shortcuts or spammy tactics

8.7
8.7
98%

Lima, Peru
$30 USD per hour
Bachelor of Software Engineering, Video and Audio Expert, Senior 3D CAD Designer, Advanced Level in English and Native Spanish Speaker, committed to work, responsible and punctual. ✅ +350 projects completed for big enterprises and international clients ✅ Unlimited revisions ✅ Full time freelancer ✅ Excellent Communication ✅ 100% satisfaction I will help you with any project related to: ✅ Software Engineering: Website Development, Mobile Apps, Database Administration, Data Analysis, Automations and more! ✅ Video: Video Editing, 2D & 3D Animation, Whiteboard Videos, Motion Graphics, Promotional Videos, Reels, Visual Effects and more! ✅ Audio: Audio Editing, Voice Over, Audio Production including Mixing and Mastering of Music (I also offer Promotion for Artists), Podcasts and more! ✅ 3D CAD Designer: CAD Modeling, Solidworks, Product Design, 3D Rendering, Architectural Visualization, STL Files for 3D Printing, Technical Drawings, Product Visualization, Interior & Exterior Rendering, SketchUp Modeling, 3D Mockups and more! Click on "Request Quote" and let's start working on your project!
A ChatGPT-4 specialist is a freelance AI expert who designs, fine-tunes, and integrates GPT-4 powered solutions, including custom prompts, chatbots, automations, and API workflows tailored to business needs.
Hiring a skilled ChatGPT-4 expert gives your business direct access to one of the most capable large language models on the market. From building conversational agents to automating content pipelines and embedding generative AI into existing software, a GPT-4 consultant turns OpenAI's technology into measurable business outcomes. Whether you need a one-off prompt engineering engagement or a long-term AI development partner, the right specialist on Freelancer.com can match your scope and timeline.
A ChatGPT-4 freelancer combines prompt engineering, software development, and applied AI knowledge to ship working solutions. Their output is not theoretical — it is production-ready code, deployed assistants, and documented prompt systems your team can maintain.
Typical deliverables include:
A capable specialist is fluent in the broader OpenAI ecosystem and the surrounding AI engineering stack. Look for hands-on experience with the OpenAI API, including the Chat Completions endpoint, Assistants API, function calling, and structured outputs.
Common tools and platforms include:
Demand for GPT-4 development cuts across nearly every sector that handles text, knowledge, or customer interactions. The most active categories include e-commerce, SaaS, fintech, healthcare, legal services, education, marketing agencies, and media companies.
Common use cases include AI customer support agents, internal knowledge assistants for enterprise documentation, automated lead qualification, AI-powered tutoring tools, contract analysis assistants, medical intake bots, and content production at scale. Startups often hire a ChatGPT-4 consultant to ship an MVP, while established companies bring in an AI specialist to integrate generative features into existing products.
The strongest candidates show concrete evidence of shipped GPT-4 work — not just theory. Look for portfolios containing live chatbots, public Custom GPTs, GitHub repositories with OpenAI integrations, or detailed case studies showing prompt iteration and measurable improvements.
Strong qualification signals include:
Sample interview questions you can use directly:
Freelancer.com gives you access to a global network of vetted AI engineers, prompt engineers, and machine learning consultants ready to bid on your project. With millions of registered freelancers across every time zone, you can typically receive multiple proposals within hours of posting. Clients on Freelancer.com set their own budgets and receive competitive bids, with Milestone Payments protecting funds until deliverables are approved. Profile ratings, verified reviews, and skill assessments make it straightforward to compare candidates side by side and award the project with confidence.
Hiring a ChatGPT-4 expert on Freelancer.com is a structured three-step process. The clearer your brief and evaluation criteria, the better the bids you will attract. Below is what to do at each stage to find the right AI specialist for your project.
The project post is the single biggest determinant of bid quality. A precise brief filters out generic proposals and attracts specialists whose GPT-4 experience genuinely matches your needs. Head to the
Bids are short proposals, not just price quotes. They reveal how each freelancer interprets your brief, what approach they would take, and what timeline they consider realistic. Read every proposal carefully and shortlist candidates whose understanding of GPT-4 development clearly matches what you described.
Your final decision should combine proposal quality with profile evidence. For ChatGPT-4 work, weigh consistency across multiple shipped AI projects rather than a single impressive demo, because real expertise shows in repeated, verifiable outcomes.
Simple prompt engineering or a single Custom GPT can be delivered in a few days, while a full RAG-based chatbot with API integration typically takes two to six weeks. Larger enterprise projects with fine-tuning, evaluation pipelines, and multi-system integrations can run several months.
A ChatGPT-4 specialist focuses specifically on the OpenAI ecosystem, prompt engineering, and applied LLM workflows. A general AI engineer typically has broader machine learning experience including model training, computer vision, or data science. For most generative AI product features, the specialist will ship faster.
Yes. Many buyers post a project on Freelancer.com for a single deliverable such as a Custom GPT, a prompt library, or an API integration. You can also retain the same freelancer for ongoing work once the initial milestone is delivered.
In most cases, yes. You should provision your own OpenAI account so usage, billing, and data ownership stay with your business. The specialist will configure the integration using your API credentials and can advise on usage tier limits.
For most defined-scope projects — chatbots, prompt systems, integrations, automations — an experienced freelancer is faster and more cost-efficient. Agencies make sense only when you need a full multidisciplinary team across design, backend, and AI working in parallel.

Freelancer Enterprise
Use our workforce of 89.1 million to help your business achieve more.

Freelancer API
Why hire people when you can simply integrate our talented cloud workforce instead?
Post a project today and get bids from talented freelancers
Get some inspiration from ChatGPT-4 projects

Game.
$50 USD in 9 days.

Package Design.
$110 USD in 4 days.

Music Video.
$300 USD in 12 days.

Interior Design.
$269 USD in 14 days.

Poster.
$100 USD in 3 days.

Flyer Design.
$15 USD in 1 day.

Concept Design.
$100 USD in 10 days.

Socials Post.
$50 USD in 6 days.
Millions of users, from small businesses to large enterprises, entrepreneurs to startups, use Freelancer to turn their ideas into reality.
89.1M
89.1M
Registered Users
25.7M
25.7M
Total Jobs Posted