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$30/hr
100%
Job Success
$20K+ earned
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I help brands and agencies create HTML5 banner ads that pass Google Ads, Amazon DSP, and other ad platform requirements without issues.
15+ years of experience in animation and banner development.
I deliver clean, optimized, and production-ready files — no rejections, no surprises.
Platforms I’ve worked with:
✔ Google Ads (HTML5)
✔ Amazon DSP
✔ IAB standards
✔ Adform, Sizmek, DoubleClick (GWD)
✔ Custom ad networks and rich media platforms
What I can do:
✔ HTML5 banner ads (all standard sizes)
✔ Interactive creatives (clickable elements, mini-games)
✔ Adobe Animate (CreateJS) and GSAP animations
✔ Flash/SWF to HTML5 conversion
✔ Fixing, optimizing, or rebuilding existing banners
Why clients choose me:
• I understand platform limitations, specs, and approval rules
• Smooth, lightweight animations with size limits in mind
• Fast turnaround and clear communication
• Reliable results — ready to upload and launch
If you need banners that actually work across different ad platforms — I can help.
Volodymyr M.
has worked
.
Ukraine
$35/hr
100%
Job Success
$3K+ earned
Available now
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I have 8 years experience of development on JavaScript. The most of experience
is about coding games. I created near 100+ advertising mini-games, have
experience with casino (slot) games and with prototyping of different genre of
games. I got good project structure experience in practice. I am reliable and
responsible to work, can give suggestion to improve something in the project. I
like possibility to be a member of project, not only write code.
Kyrgyzstan
$35/hr
100%
Job Success
$3M+ earned
Available now
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🏆 $3M+ Earned on Upwork — Placing Me Among a Very Small Percentage of Freelancers on the Platform
Looking for a veteran full-stack web development team to bring your CMS, CRM, ERP, SaaS, marketplace, or data platform to life? We don’t do quick hacks or throwaway code. We build systems that last.
Results:
- 100+ SaaS and CRM platforms launched from scratch
- 300+ automation tools built
- 150+ POS, Web-to-Print, and location-aware applications delivered
- platforms serving 20M+ users with 99.99% uptime
- ERP systems reducing operational overhead by 40%+
- web automation saving 1,000+ hours per month per client
We are a senior team of full-stack engineers with 25+ years of hands-on web development experience and 600+ successful projects delivered across 40+ industries. We focus on long-term, production-grade systems where architecture, performance, and business logic truly matter.
We operate as web developers, React developers, WordPress developers, mobile app developers, and backend engineers, delivering full-cycle product development using PHP, JavaScript, and Python. Our stack includes Laravel, Symfony, Vue, React, Angular, Node.js, Next.js, TypeScript, jQuery, MySQL, PostgreSQL, Redis, and modern API-first architectures. Whether you need a full-stack developer (PHP, JavaScript, Python), a Python full-stack developer, or a PHP Laravel Angular combination, we cover the entire lifecycle end to end.
As front-end full-stack specialists, we build high-performance dashboards, SPAs, PWAs, and data-heavy interfaces using React, Vue, Angular, Next.js, and TypeScript. Our React team focuses on performance, scalability, and UX logic, while our backend engineers design robust systems with REST and GraphQL APIs, multitenant architectures, role-based access control, billing engines, reporting pipelines, and audit trails.
We also work as software developers and full-stack AI engineers when projects require machine learning, automation, or advanced data processing. Our Python full-stack teams build data pipelines, AI-assisted workflows, and automation systems that reduce operational overhead and deliver measurable business value. This includes AI-enabled backends, LLM integrations, and ML-driven platforms.
As WordPress developers, we build custom plugins, headless CMS architectures, and React or Vue frontends. As mobile app developers, we deliver iOS and Android applications using React Native and native stacks, tightly integrated with scalable backends. As PHP full-stack developers, we handle both greenfield builds and complex legacy modernization.
We regularly work as:
- full-stack web development teams on SaaS, ERP, CRM, POS, LMS, and Web-to-Print platforms
- full-stack squads on marketplaces, fintech, and data platforms
- Python full-stack teams on automation and analytics pipelines
- PHP Laravel Angular teams on enterprise systems
- React and front-end full-stack teams on complex UI platforms
- full-stack AI teams on ML-powered products
We handle the full spectrum: system architecture, development, DevOps, CI/CD, Docker, AWS, GCP, Apache, Nginx, and long-term maintenance. We design systems that scale in production, survive real-world usage, and support sustainable business growth.
Whether you need a web developer to extend your platform, a React developer to rebuild your frontend, a WordPress developer for custom CMS logic, a mobile app developer to complement your product, or a full-stack AI team to connect data, automation, and intelligence, we bring decades of hands-on experience and production-grade delivery.
Associated with
Ixobit Corporation (DBA Sibers)
$20M+
earned
Sri Lanka
$35/hr
100%
Job Success
$100K+ earned
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Senior Software Engineer | 15+ Years of Experience in Web & Mobile Development
As a seasoned software engineer with over a decade of experience in web and mobile development, I bring a deep understanding of the latest technologies and best practices to every project. My continuous learning and hands-on experience with complex projects ensure that I know exactly how to choose the right technologies and strategies for your specific needs.
I am committed to delivering high-quality work, leveraging my extensive experience to ensure the success of your project. Your satisfaction and the success of your project are my top priorities
Kasun K.
has worked
.
$39.01/hr
100%
Job Success
$900K+ earned
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At Apiko, we’ve been building digital products for over 10 years and delivered 60+ projects. What we’ve learned is simple: success comes from creating products people actually use and love. We never deliver something that doesn’t bring real value.
We start with a proper discovery stage to understand your goals, challenges, and vision. This ensures your product is ready before we write a single line of code. To help even more, we offer free add-ons like workshops with our Business Analyst, concept design previews, and app review audits.
Using technologies like React, React Native, Node.js, and GraphQL, we offer:
• Software development from idea to maintenance
• Dedicated engineering teams
• MVP development
• UX/UI design
• Quality assurance and testing
We also provide advanced AI solutions, including GPT and chatbot development.
And once your product is live, we don’t just disappear—we stick around with maintenance and support to keep it growing and performing at its best.
Associated with
Apiko
$15/hr
100%
Job Success
$6K+ earned
Offers consultations
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Expert Full Stack & AI Developer | React | Next.js | NestJS | TypeScript | PostgreSQL | FastAPI | AI App Bug Fixing
💯 100% Job Success
🤝 Collaborated with 33+ clients
🏢 Worked with 11+ companies
💎 5+ years of industry experience
⭐ Expert in Full Stack Development
⭐ Expert in AI-Powered Web Applications & AI-Generated App Bug Fixing
Greetings! I'm a Top Rated Full Stack Developer with over 5 years of industry experience building scalable web applications and modern AI-powered solutions. I specialize in React, Next.js, NestJS, Node.js, PostgreSQL, FastAPI, and TypeScript, helping startups and businesses build, scale, and maintain production-ready applications.
I also specialize in debugging and improving AI-generated applications built using tools like Cursor, ChatGPT, Claude, GitHub Copilot, Bolt, Lovable, Replit, and Windsurf. Whether your AI-generated code contains bugs, architectural issues, deployment problems, or performance bottlenecks, I can quickly identify the root cause and implement clean, maintainable solutions.
Client Reviews
⭐️⭐️⭐️⭐️⭐️ Outstanding work by Measum!
Measum completed the project not only incredibly quickly but also demonstrated an impressive level of proactivity. He independently suggested improvements and always thought ahead, resulting in an optimal outcome. His professionalism, efficiency, and solution-oriented approach truly impressed us. Would gladly work with him again – highly recommended!
⭐️⭐️⭐️⭐️⭐️
I am extremely satisfied with the work! Tasks were completed quickly, reliably, and without any hassle. I was particularly impressed by the goal-oriented approach and polite communication.
⭐️⭐️⭐️⭐️⭐️
He understood my requirements clearly and provided exactly what I was looking for. Highly recommended!
💼 Core Expertise
Full Stack Development
React.js
Next.js
Remix.js
NestJS
Node.js
Express.js
FastAPI
TypeScript
JavaScript
PostgreSQL
MongoDB
REST APIs
Docker
AWS
AI Development & AI App Bug Fixing
Debug AI-generated applications
Fix Cursor, Claude & ChatGPT generated code
AI Agent integration
AI workflow implementation
Prompt-driven application development
Code review & architecture improvements
Performance optimization
API & database debugging
Deployment troubleshooting
🔧 What I Offer
Full Stack Web Development
React & Next.js Applications
NestJS & Express.js APIs
PostgreSQL & MongoDB Database Design
FastAPI Development
Docker & AWS Deployment
AI Agent Integration
AI-powered SaaS Development
AI-generated Code Debugging
Bug Fixing & Refactoring
Performance Optimization
Authentication & Authorization
API Integration
Responsive UI Development
Clean, scalable, production-ready code
Whether you need a new application built from scratch, an enterprise SaaS platform, AI integration, or an existing AI-generated project rescued and stabilized, I can help deliver reliable, scalable, and maintainable solutions.
Keywords
Full Stack Developer • AI Developer • AI Engineer • AI App Developer • AI Agent Developer • AI Workflow • AI Automation • AI SaaS • AI Generated Code • AI Bug Fixing • Cursor AI • Claude Code • ChatGPT • GitHub Copilot • Lovable • Bolt • Windsurf • React Developer • Next.js • NestJS • Node.js • Express.js • FastAPI • PostgreSQL • MongoDB • TypeScript • JavaScript • Docker • AWS • REST API • Full Stack Engineer • Web Development • Performance Optimization • API Integration • Debugging • Code Review • Responsive Web Development
Measum A.
has worked
.
$25/hr
99%
Job Success
$200K+ earned
Offers consultations
Start of list.
End of list.
We invest in innovation to help our clients unlock new potential for their organizations. Founded in 2009, we have faced numerous challenges over the years and have consistently provided solutions with unwavering dedication. What sets Moon Technolabs apart is our team of experts, extensive industry knowledge, and a deep understanding of what it takes to succeed.
- Web Development | Android/iOS Development | AI/ML Development | Windows/MacOS app
- Computer Vision | VoIP/WebRTC | AI agent chatbot/Voicebot | IoT | MCP | CLI
- Video Streaming | Power BI | Microsoft Dynamics 365
Pillars I work with:
- Commitment
- Quality with the standard code structure
- best customer service after development
- Agile Methodology
Associated with
Moon Technolabs Pvt. Ltd.
$50/hr
100%
Job Success
$200K+ earned
Offers consultations
Start of list.
End of list.
Most software projects fail for predictable reasons. Scope drifts, deadlines slide, communication collapses, and the build loses momentum. Whether this is your first project or your second attempt, you need an environment that prevents those failure points. Bee Techy (beetechy.com) exists for that purpose. My team takes ownership of the product and drives it to completion with clarity and speed.
You get a senior engineering team, not a single freelancer trying to manage every role at once. Delivery stays consistent. Communication stays direct. Complexity does not derail progress because the workflow is built to handle it.
Bee Techy (beetechy.com) is ranked in the top 1% of agencies on Upwork across more than ten categories. Enterprise clients including Microsoft, Amazon, HubSpot, and Shopify trust us. Clutch has recognized the agency with multiple awards across several industries for reliability and delivery quality. These signals matter because they confirm a consistent pattern: we finish what we start.
Execution is structured. Senior engineers write the code. A project manager drives the schedule. A separate QA team verifies every release. Projects begin within five business days. Throughput stays high because the environment is engineered for sustained output. AI assisted development increases volume without raising cost.
A Product Requirements Document is created at the start at no cost. It sets direction, eliminates ambiguity, and gives you a clear map of what will be built. The Bee Guarantee reduces your rate if the estimate is not met.
If you want your product built without drift or delays, this environment delivers it.
ᴍᴏʀᴇ ᴀʙᴏᴜᴛ ᴜs
Our expertise in Web Development is the foundation of our service offerings, where we utilize technologies like HTML and CSS.
We create stunning websites and Web Applications with HTML5, ensuring they are not only visually appealing but also highly functional. 🌐
Our team excels in JavaScript, crafting interactive and dynamic user experiences, and our proficiency in PHP and Node.js allows us to build robust backend systems. 💻
API and API Integration form a core part of our services, allowing seamless integration between different software platforms. 🔄
In the rapidly evolving mobile space, our Mobile App Development team specializes in creating apps for both iOS and Android platforms. 📱 This includes iOS Development and Android App Development, utilizing languages like Swift, Java, and C# to deliver tailor-made solutions. Our team is adept in React and React Native as well.
🛒 For e-commerce solutions, we specialize in Shopify and WooCommerce, offering complete Ecommerce Website Development services. We also have a strong focus on Shopify Templates and Landing Page design to enhance user engagement and drive sales.
Our developers are proficient in Python 🐍 and Typescript, enabling us to tackle diverse programming challenges. The use of Figma facilitates our design process, especially for User Interface Design and Prototyping.
🎨 We ensure that all our products are responsive, emphasizing Responsive Design to cater to a wide array of devices.
For businesses with specific software needs, we offer customized solutions in Web Application development, Mobile App Design, and Database Development.
At Bee Techy, we are dedicated to delivering top-notch software solutions that drive business growth and innovation. 🚀 Our team's diverse skill set and commitment to excellence make us the ideal partner for all your software development needs. 🤝
Eddy M.
has worked
.
Associated with
Bee Techy 🥇 Best Web & Mobile App Development Agency
$50/hr
100%
Job Success
$1M+ earned
Offers consultations
Start of list.
End of list.
About Us
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At ALGO, we design and develop systems, platforms, and automation powered by AI and emerging technologies.
We integrate AI agents, software, data, and infrastructure to turn complex use cases into real, scalable, production-ready solutions.
What We Do
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We build solutions in:
AI, agents, platforms, systems, and automation, along with Blockchain, IoT, Immersive Technologies, Robotics, Game Development, Cybersecurity, Digital Twins, and Quant Engineering.
Our focus is clear: moving from isolated experiments to integrated systems that generate real business impact.
Why ALGO
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ALGO combines advanced engineering, expertise in emerging technologies, and strong execution capabilities to help companies design, develop, and scale complex technology solutions.
Let’s build what matters
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If you’re looking to turn AI or emerging technologies into real solutions, ALGO can help.
Associated with
ALGO ® 🏅 With Expert-Vetted Talent (Top 1%)
$3M+
earned
United States
$29/hr
100%
Job Success
$300+ earned
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I am a JavaScript Fullstack Developer and Senior Software Engineer with strong, real-world experience building modern web applications and SaaS platforms. I work as a Frontend React Developer, and Node.js Developer on end-to-end web projects. I also work with AWS for scalable deployments when needed.
I have strong experience as a Full Stack Developer and a proven track record as a Software Engineer for web-based SaaS applications. I build clean and reliable frontend systems as a React Developer and scalable backend systems as a Node.js Developer. I also work with Next.js for modern, fast applications and have deep experience developing dashboards, SaaS products, and internal tools where the frontend, backend, and APIs work together smoothly.
Send me your project details and I will review your scope.
Aftab Ahmad K.
has worked
.