You will get React, Next, Gatsby, Remix & Vue Api integration
Top Rated
Top Rated
Project details
I provide professional API integration and data layer development services for React and Next.js applications, with a strong focus on reliability, performance, and scalability. I help connect frontend applications with external and internal APIs, ensuring stable data flow and predictable application behavior.
I have experience integrating REST and GraphQL APIs across projects of different complexity - from MVPs to large-scale production systems. My work includes authentication flows, error handling, data validation, and optimization of client–server communication to improve performance and user experience.
I offer end-to-end support: from API analysis and integration strategy to implementation, debugging, and long-term maintenance. Whether you need to integrate third-party services, refactor an existing data layer, or stabilize complex API interactions, I help ensure your application is robust, secure, and scale.
API integration expertise includes:
REST & GraphQL API integration
Authentication and authorization flows
Data fetching and caching (React Query, SWR)
Error handling and edge cases
Performance optimization and network efficiency
API-driven architecture improvements
I have experience integrating REST and GraphQL APIs across projects of different complexity - from MVPs to large-scale production systems. My work includes authentication flows, error handling, data validation, and optimization of client–server communication to improve performance and user experience.
I offer end-to-end support: from API analysis and integration strategy to implementation, debugging, and long-term maintenance. Whether you need to integrate third-party services, refactor an existing data layer, or stabilize complex API interactions, I help ensure your application is robust, secure, and scale.
API integration expertise includes:
REST & GraphQL API integration
Authentication and authorization flows
Data fetching and caching (React Query, SWR)
Error handling and edge cases
Performance optimization and network efficiency
API-driven architecture improvements
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included $1,200
These options are included with the project scope.
$1,200
- Delivery Time 16 days
- Number of Revisions 0
33 reviews
(32)
(1)
(0)
(0)
(0)
This project doesn't have any reviews.
MC
Mike C.
Jul 23, 2026
30 minute consultation
SC
Sean C.
Jun 26, 2026
Product Engineer, Mobile
Artem is a great developer and a pleasure to work with
JW
Jo W.
Apr 20, 2026
Next.JS Developer
MR
Michel R.
Apr 4, 2026
Figma to Next.js Website – Pixel-Perfect Frontend (Tailwind, Responsive, Animations)
Amazing work by Artem!
VL
Valerie L.
Mar 20, 2026
Senior React Developer
About Artem
Senior React Developer | React Native & React, Next JS | Full-Stack.
100%
Job Success
Korosten, Ukraine - 1:47 pm local time
🐝 Top 3% Freelancer on Upwork (Top 1% in Frontend Development)
🎉 7+ Years of Real-World Product Development
📈 Hands-on experience building products in Pre-Seed, Seed & Series A startups, as well as large-scale enterprise environments.
🏅 Meta & IBM Certified Frontend Developer
💰 Delivered projects generating $6M+ in revenue
🚀 Built 50+ MVPs and full-scale applications across industries
💫 I believe great products are built through thousands of small decisions. The details most people never notice are often the ones that keep users engaged, build trust in the product, and bring them back.
That’s why I never think only about the task in front of me. I think about the entire product - how every feature connects, how users will experience it, how the codebase will scale six months from now, and how today's decisions will affect tomorrow's development.
Over the past 7+ years, I've worked with founders, startups, and enterprise teams across AI/ML, FinTech, MedTech, InsurTech, EdTech, AdTech, and eCommerce. Whether it's an MVP racing toward product-market fit or a mature platform serving thousands of users, my approach stays the same: build it right, keep it clean, and make it easy to grow.
Building software feels a lot like building with LEGO. Every piece has a purpose, and the strongest products are created when every block fits exactly where it belongs.
Tech Stack & Expertise
📱 React (Next.js, Remix, Gatsby), React Native, Vue (Nuxt, Vuex), Angular
🔧 TypeScript, Redux, Thunk, Saga, MobX, Recoil, REST, GraphQL, AJAX
🎨 Material UI, Ant Design, Chakra UI, Bootstrap, TailwindCSS, HTML5, SASS/SCSS
📲 Expo, Google Play, App Store
🚀 JAMstack, Netlify, Contentful, Chrome Extensions
🧪 Jest, Cypress, Jasmine, Mocha, Karma
🐙 GitHub, GitLab, Bitbucket
🖌️ Figma, Adobe Photoshop, Zeplin, InVision
📋 Agile, Kanban, Git Flow, Trello, Asana, Jira
I don’t just deliver features - I build products with care, precision, and strong engineering foundations that help businesses scale confidently.
🚀 Let’s build something exceptional together.
Steps for completing your project
After purchasing the project, send requirements so Artem can start the project.
Delivery time starts when Artem receives requirements from you.
Artem works on your project following the steps below.
Revisions may occur after the delivery date.
Discussion and decision