Hire Top Freelance UI design Developers

Matei Copot

I'm Matei, a full-stack developer with over 10 years of experience, specializing in JavaScript, React, and Node.js. I help developers at all levels overcome challenges, from debugging complex issues to understanding core concepts. My approach is patient and tailored to your needs, ensuring you gain confidence and clarity in your coding journey. Format: - regular (long term) or one-time - for any level (beginner/intermediate/advanced) - 45-90min sessions, up to 6hrs on request - personalized take-home tasks & resources Availability: - until Jul 15: 4:00-6:00, 15:00-18:00 UTC - after Jul 15: 4:00-18:00 UTC - last minute or late night sessions on request (email matei@copot.eu) Technologies: - JavaScript: ESNext, NodeJS/Deno, TypeScript, React, Vue, NodeMCU, & more - Front-end Web Dev: HTML5, CSS3, responsive design, PWAs, SPAs, & more - Back-end Web Dev: Express/NextJS APIs, Python, AWS, Docker, SQL, PHP, & more - App Dev: Mac/Linux & Android, Electron, Expo, Python, Stripe, UX, & more - others: always curious about other technologies, e.g. haskell, ruby, WASM, WebGL... = Why me? I'm typically paid €100/hr by top companies, so the lower rate here means you're getting top-tier expertise at an accessible price. I enjoy mentoring because it brings variety and a more collaborative and relaxed dynamic. I have a proven track record of guiding learners from zero experience to landing high-paying jobs. My teaching adapts to your pace and goals — you'll always get honest, actionable advice, including what’s realistic and what’s not. If you're serious about growing your skills or career in tech, I’d be glad to support your journey.

Rajesh Dhiman

**Stuck on a tricky bug in your AI-generated code? Need to turn a fragile prototype into a production-ready app?** I'm a **senior AI engineer** who specializes in solving the unique challenges of building with LLMs and automation tools. As an expert in both **AI code rescue** and **workflow automation**, I can help you with: * **Debugging Tricky AI Code:** We'll jump on a call and fix that bug in your `LangChain`, `OpenAI`, or `Replit` project. * **MVP Code Reviews & Hardening:** I'll perform a detailed review of your prototype for security, scalability, and best practices to get it ready for launch. * **Building Custom AI Workflows:** As a freelancer, I can architect and build the efficient automations your business needs. * **Career Mentorship:** I can guide you on the path to becoming a highly skilled AI Automation Engineer. --- ### **Example Freelance Engagements** Below are examples of common freelance projects I can help you with. If your project looks like one of these, send me a message with the details, and I can provide an hourly estimate. * **AI-Generated MVP: Code Review & Hardening Plan** * I perform a comprehensive review of your prototype's codebase. You'll receive a detailed report covering security vulnerabilities, scalability issues, and a concrete action plan to get your MVP production-ready. * **Build a Custom AI Automation Workflow** * I work with your team to map out a key business process and build a robust AI-powered automation to improve efficiency. Ideal for sales, marketing, or internal support workflows. --- My stack includes `Node.js`, `Python`, `React`, `LangChain` & `OpenAI`. Let's solve your problem—**book a session or send me a message!**

Felipe Araujo

Step into the future with nocobi, your dedicated partner for innovative digital transformation. **Core Competencies:** Our focus is in automating business processes using NoCode and LowCode tools. We specialize in four key areas: - Business Intelligence: We transform scattered data into actionable insights. With our deep expertise in the field, we build intuitive dashboards and data ecosystems that empower decision-makers at all levels. *Tools Used:* Microsoft Power BI, Looker Studio and Tableau - Internal Apps and Systems: We develop internal tools using NoCode solutions to streamline operations, reduce manual tasks, and centralize critical business processes — all within tools your team actually wants to use. *Tools Used:* Microsoft Power Apps, Buuble. io, Softr, Flutterflow, Glide - Process Automation & Integration: From automated workflows to robust system integrations, we connect the dots across your tools to ensure your operations flow smoothly and efficiently. *Tools Used:* Microsoft Power Automate, Make, Zapier, Relay.app - AI: We embed AI capabilities directly into your processes — from intelligent bots to generative AI inside Teams and internal apps — enhancing productivity, personalization, and insight across your organization. *Tools Used:* OpenAI, Deepseek, Relay.app **Why nocobi? Why Now?** ✓ 360° Solutions: From scripting to app creation, from analytics to integrations — our expertise covers a complete digital transformation journey. ✓ Tailored Excellence: At nocobi, one size does not fit all. Every solution is custom-built to fit your unique business context and goals. ✓ Strategic Acumen: We don’t just build — we think. With a foundation in strategic thinking and process optimization, we help you anticipate change and stay ahead of your industry. Client Testimonials: ✍️ "Great at communication. Always ask to ensure the scope and deadlines are accurate. A pleasure working with the entire team." ✍️ "Over the past year we have worked with nocobi to develop reports crucial to our business — their knowledge and experience with PBI have made these projects highly successful. Their communication and openness to feedback has made working together extremely easy and efficient. We would highly recommend their services."

Muhammad Abdullah

Upwork Profile: [https://www.upwork.com/freelancers/~017c52f0d690bf476e](https://www.upwork.com/freelancers/~017c52f0d690bf476e) Hi I'm a web developer with **7+ years of experience**. I have a proven track record in several industries such as web3, AI, eCommerce, automation, and IoT. I have a strong focus on creating great user experiences and I'm known for my ability to deliver clean, scalable, and maintainable code. I follow a very simple yet effective code of conduct: I always listen to my clients before making decisions and value their time by being upfront about my skills and competencies. I'm fluent in english speaking and writing, I **will come on Zoom/Meet without any problems or hesitations for demos and progress updates.** ### ✅ MY SKILLS ◆ I have worked with MERN stack for frontend and backend development for more than 7 years to build high performance IoT backend as a service. I have 4+ years of experience in IoT and 2+ years in LLM. ◆ I've worked with ReactJS, Javascript, HTML5, CSS, Bootstrap, TailwindCSS for Frontend development ◆ I've worked with PostgreSQL, MySQL, MongoDB, Redis, for the database caching and queuing. ◆ I have integrated different payment gateways such as Stripe, [authorize.net](http://authorize.net/), GooglePay, Apple Pay, and many others. ◆ I've deployed applications on Digital Ocean, Heroku, Google Cloud servers, EC2, and EKS. ◆ I've Integrated lots of 3rd party APIs like Google Maps, LinkedIn, DocuSign, Youtube, Facebook, X (Twitter), and many more. I've deep knowledge to work with the latest technologies. ◆ I have worked with web3 including CoinGecko, DexTools, DexScreener, Covalent, BitQuery, and more. ◆ I have built social and crypto bots for X, Telegram, Whatsapp, Slack, and Discord. ◆ I've broken monoliths architectures into microservices using Redis or Kafka at the core, and Kubernetes to manage the cluster. ### ✅ MY TECK STACK **◆ Frontend:** React, Tailwind, Next, Radix UI, Shadcn/ui. **◆ Backend:** Express.js, MongoDB, Node.js, Nest.js, Postgres, Redis. **◆ No Code:** Webflow, Retool, Graphana. **◆ LLM:** OpenAI GPT, GPT4o, Claude, Meta Llama, Google Vertex, ChromaDB. PineconeDB, LangChain, AI agents, prompt engineering **◆ DevOps (CI/CD):** Kubernetes, Cloud build, Nginx, GitHub Actions. Vercel **◆ Documentation:** Docusaurus, Nextra. **◆ Protocols:** REST, WebSockets, GraphQL, OAuth, OAuth2.0. **◆ Analytics:** PostHog, Google Analytics, Mixpanel, Moesif, June. I'm one of the makers of [grandeur.dev](https://grandeur.dev/), an IoT platform that packs away the complexities of IoT development and gives engineers a way to build IoT apps, connect real devices, and monitor/control them in real time. It has builtin auth, connectivity, storage, drag and drop app building, over-the-air software upgrades, APIs, and more. It's an extremely ambitious project, AND MY BRAINCHILD and you can access it at [console.grandeur.dev](https://console.grandeur.dev/). ### ✅ FIVE REASONS WHY YOU SHOULD CHOOSE ME ◆ I will communicate frequently and do project check-ins so you know the progress of my work every step of the way. ◆ I'll work till the end and after to ensure that your site is not just developed but lasts the test of time. ◆ I will never have you feel that I am burning through your time or cash. ◆ I've been able to produce sites with extremely small deadlines. ◆ And yes, I can do a quick sample work according to your need. I'm always interested in connecting with new people and exploring new opportunities. Feel free to reach out to me for any queries even if you don't have any formal requirements yet! You can come to me with a problem and I'll help you develop solutions. Let's get in touch!

David Y. Stephenson

Reach out anytime at david@objective.enterprises I am a React and TypeScript engineer with over 10 years experience. I have extensive background with tools like HTML, CSS, JavaScript, NextJS, ExpressJS, PostgreSQL, MongoDB, and Google Firebase. My specialties are absolute beginners, small businesses, and aspiring engineers. I have guided hundreds of students into their first development job. I provide full support to development job-seekers, from mock interviews to career coaching. I can help you fix bugs quickly and fully understand each part of the solution. I offer tutoring services including, bootcamp support, long-term mentoring, and a complete educational experience. I have directed teaching programs and led classroom instruction in fullstack development, professional strategies, and game development. I also started without a formal background in computer science. I know you can cross that gap in an engaging, accessible, and fun way. Everyone that wants to make great software should be able to. I can help you learn to make apps with the features you want and explain exactly how they work. If you want to become a professional software engineer or entrepreneur and are eager to gain the necessary knowledge, I would be honored to help you improve your understanding, code, or career. I can help you assemble and manage a team of developers or coach you through an individual project. I offer pair-programming, consulting, and architectural planning alongside direct management and training. I can help key contributors or entire teams deliver features and understand how their solutions work. I can guide decision makers through complicated technical challenges to confidently determine the best course of action.

SUMIT SHARMA

Having good experience in frontend development mainly in designing, optimizing Angular and React Applications. With this experience, I can help out others in development and also how to solve problems efficiently. I would help you learn the skills needed to become a professional. I will not tell you how to code; rather, I will guide you through the practice of coding, will help you to find your own answers and also intervening you when you got stuck. These things I know: - HTML - CSS / SASS / Less - React - Angular - Tailwind CSS - Responsive web design - Pixel perfect UI with elegant CSS - Javascript / ES6 - npm - Github

Neeraj Chaturvedi

It is my pleasure to offer my services to you as an experienced PHP developer, as a person who takes his work very seriously and strives to do anything professionally. I try to learn new things and incorporate them into my code standards during my free time. Every day, I strive to improve myself. My passion is sharing my knowledge in my field of expertise. I have worked as a lead employee in Web Development for many companies. Please contact me if you need any help with PHP, WordPress, Codeigniter, YII, AngularJs/Angular latest version, and web design.

syed saqib ghawas

Hello I have been working in the market for the past 10 years. in the field of Database, SQL, Oracle, SQL Server, MySQL, NOSQL,DWH,ETL ,reporting and BI tools. Have knowledge of multiples domain areas such as Finance & banking ,Telecom, health care, Tax & Legal and FMCG

Manuele Capacci

I'm an experienced designer working for more than fifteen years in the field of interaction and digital product design. I help developers, product owners and entrepreneurs leverage design as a deep competitive advantage nowadays, and as a tool to make your idea come alive or your project take the leap to the next level. I can support you with mentoring and design critique sessions. You will find out how some right small changes can make such a profound difference in the final perceived quality of your project outcome. https://mnlcpc.com

SHAILENDRA SINGH SHEKHAWAT

I started my career as a web developer 12 years ago. I like challenges where I can use my skills to develop outstanding web applications in look, performance, and efficiency. I am specialized in Front-End and back-end web technologies. For more details about technologies I know, see the expertise section below. I can help you with: • New projects or features • Front-End/Back-End development • Mentoring • UX/UI Design • Bug fixes and issue resolving If I missed something you need help with, please drop me a message and I will look for a solution.