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Top freelance Responsive Design developers available to hire
I am a full-stack software engineer with over seven years of experience building and managing web applications. Passionate about solving real-world challenges through code, I specialize in developing scalable, efficient, and user-friendly solutions. My expertise spans multiple technologies, and I am committed to continuous learning to stay ahead in the ever-evolving tech landscape.
Technical Expertise
Frontend Development
Proficient in HTML, CSS, JavaScript, TypeScript, and modern frameworks such as React.js, Redux, Next.js, and React Native. Experienced with UI libraries like Bootstrap, Material UI, Tailwind CSS, Semantic UI, and Styled Components.
Backend Development
Skilled in Node.js, NestJS, Express.js, Python, and Django, designing and implementing powerful backend systems that ensure performance and scalability.
Mobile Development
Experienced in React Native and Expo, crafting responsive and intuitive mobile applications.
Databases
Proficient in MongoDB, MySQL, PostgreSQL, and GridDB, ensuring efficient and well-structured data storage solutions.
CMS & No-Code Solutions
Capable of developing and customizing web solutions using WordPress and Wix.
APIs & Development Tools
Well-versed in RESTful APIs, GraphQL, authentication (JWT, Passport.js), file handling (Multer, Cloudinary), email services (Nodemailer), testing (Jest), version control (Git, GitHub), and payment gateway integration (Paystack API).
Technical Writing Experience
Beyond software development, I have over six years of general writing experience, including three years focused on technical content creation. I have collaborated with tech companies such as Cloudinary and Bunzz, producing clear and engaging content on topics like blockchain, video streaming, and software development. My expertise includes writing API documentation, user guides, FAQs, knowledge base articles, and technical blogs, ensuring complex concepts are accessible to diverse audiences.
Work Ethic & Collaboration
I am a detail-oriented, responsible, and reliable professional with excellent communication and time management skills. I thrive in collaborative environments and am always open to learning and adapting to new challenges.
Let’s Connect
If you're looking for a skilled full-stack developer or an experienced technical writer, I’d love to collaborate. Feel free to reach out for a discussion—I’m available for chat or video calls and respond promptly to inquiries.
Looking forward to building exceptional solutions together!
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)
- personalized take-home tasks & resources
- 45-90min sessions, up to 6hrs/day on request
- first session of week: 60$/hr, after that 30$/hr
Availability:
- 4:00-18:00 UTC on workdays
- irregular on weekends
- 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.
A **Team Lead**, and a **Senior Software Engineer (Full-Stack )** with **7 years** of experience. I have worked on all front-end frameworks **(Angular JS, Vue JS, React JS, JavaScript, jQuery)** with responsiveness **(Html5, CSS, bootstrap)** and back end including **PHP (Laravel /code igniter/ Yii framework , Python, Java)**, **Node JS** and **Server-less (AWS-Amplify)**, etc. Strong Programming and OOP concepts. I am really good at **Design Patterns**, databases **(MySQL, SQL Server, Mongo DB, GraphQL, Dynamo DB, PostgreSQL)**, and Data structures. Ability to handle and make advanced database queries and provide solutions for big data applications. Extensive knowledge to deploy code on **Linux-based servers** and **AWS**. I have also worked on CMS platforms like **WordPress** and **Magento**. I want to do/give something to the IT industry and to our young developers by sharing my skills and knowledge with them.
Sarah has over twelve years of professional experience developing web applications, with a focus on e-commerce, e-learning and data analytics. Over her long career, Sarah has worked for Silicon Valley startups, boutique design firms, and large long established tech companies. Though her recent focus has been primarily on the front-end, Sarah has worked across the stack, with expertise in a range of technologies including ReactJS, Django, Ruby on Rails, and WordPress.
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.
I love to solve issues and debug problems that might arise into smaller solutions that make it well clear and more meaningful for anyone. I have vast knowledge with over 6 years of experience in programming with different technologies
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.
Every great mission deserves a digital masterpiece.
As a Fractional CXO and Full Stack Web Developer with 15+ years of experience, I help purpose-driven organizations turn scattered ideas into seamless digital experiences that inform, inspire, and connect.
I founded Goldlilys Media to partner with nonprofits, museums, wellness brands, and cultural institutions making a difference. For teams with a strong mission who need a trusted strategist to bring their vision online with clarity, intention, and impact.
Your website is often the first experience someone has with your mission. It shouldn’t just look good.
It should:
✔ Tell your story with clarity
✔ Invite meaningful engagement
✔ Grow with your goals
What Makes Goldlilys Media Different:
🎯 Strategic Simplicity – We turn complex ideas into intuitive, easy-to-manage platforms. No tech overwhelm.
🎯 Efficiency Meets Elegance – Our designs are fast, accessible, and built to feel effortless.
🎯 People-First Development – We listen first. Every layout and line of code is shaped by your vision and audience.
🔧 Tech with Purpose
We build scalable, SEO-optimized, and accessible sites using HTML, CSS, JavaScript, PHP, SQL, WordPress, Drupal, Shopify, and more, always with a strong UX focus.
Whether you’re launching a nonprofit site, a digital archive, or a platform that celebrates science, art, or wellness, your mission deserves to shine.
Let’s create your digital masterpiece.
Areas of Expertise:
Full Stack Web Development, Web Maintenance, User Documentation, Troubleshooting, Responsive Design Principles, Quality Assurance, Technical SEO Specialist, Custom WordPress and Drupal Themes & Plugins / Modules Development
Industry Experience:
Advertising/Marketing, Art and Media, IT, Government, Health and Wellness, Higher Education, Life Science and Innovation, Non-Profit Organizations, Museums, Travel
Hi! I love Java, Python, Javascript, distributed systems, large scale systems, machine learning, natural language processing and image processing. My work has been featured on the AWS blog (https://tinyurl.com/chaosrunner), The Guardian (https://tinyurl.com/topvocab) , Billboard.com (https://tinyurl.com/topprofane) and other print/digital publications. I also own Amazon's chaos testing framework called AWSSSMChaosRunner (https://github.com/amzn/awsssmchaosrunner).
I am a Senior Engineer at Amazon's Prime Video and have worked on scaling backend systems to millions of transactions-per-second, utilising various cloud technologies and primarily working with Java, Kotlin and Javascript. This involves image/audio/text processing systems, creating & managing databases/APIs for mobile/web applications and everything in between. I have 15yrs+ experience with backend engineering, cloud tech, nlp, signal processing and image processing. I can help you with any of these topics.
I also love hackdays and have attended 20 hackdays in Europe in the last couple of years and collaborated with beginners/experienced developers on different kinds of projects.
Thanks for reading and hope to talk to you soon!
I've been making websites, apps, games, art, for 14 years. I've taught in-person courses about multiplayer game development, and helped many mentees learn to code and use technologies from 0.
I'm patient, seek to understand what's blocking you, and genuinely want to help you grow. Let's grow and enjoy this blip of time together! :)
How to hire a freelance Responsive Design developer on Codementor
STEP 1
Post a Responsive Design request
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STEP 2
Review & chat with Responsive Design freelancers
Use our messaging feature to instantly chat with freelance Responsive Design developers around the world.
STEP 3
Hire the best Responsive Design freelancer
Choose the best freelance Responsive Design developer that meets your needs.
Frequently asked questions
How long do Responsive Design projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Responsive Design project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Responsive Design request on Codementor, check out our article.
How much does it cost to hire a freelance Responsive Design developer?
We don’t charge anything when you post a freelance hiring request for Responsive Design developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor Responsive Design developers different?
We do a comprehensive technical and communications screen of all Responsive Design developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Responsive Design developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your Responsive Design project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.
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