You will get a Scalable Next.js Web Application from a Front End Developer React
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⚠️ 𝐈𝐌𝐏𝐎𝐑𝐓𝐀𝐍𝐓: 𝐏𝐥𝐞𝐚𝐬𝐞 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐦𝐞 𝐢𝐧 𝐭𝐡𝐞 𝐜𝐡𝐚𝐭 𝐛𝐞𝐟𝐨𝐫𝐞 𝐩𝐮𝐫𝐜𝐡𝐚𝐬𝐢𝐧𝐠 𝐭𝐡𝐢𝐬 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐭𝐨 𝐞𝐧𝐬𝐮𝐫𝐞 𝐲𝐨𝐮𝐫 𝐫𝐞𝐪𝐮𝐢𝐫𝐞𝐦𝐞𝐧𝐭𝐬 𝐩𝐞𝐫𝐟𝐞𝐜𝐭𝐥𝐲 𝐚𝐥𝐢𝐠𝐧 𝐰𝐢𝐭𝐡 𝐦𝐲 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞.
Turn complex wireframes into a production-ready, lightning-fast digital product. I build advanced SaaS dashboards, cloud-native platforms, and interactive user interfaces emphasizing bulletproof architecture, flawless state management, and sub-second rendering speeds.
react developer react developer react developer react developer react developer react developer react developer react developer front end developer react front end developer react front end developer react front end developer react front end developer react next.js next.js next.js next.js next.js next.js next.js next.js next.js saas developer saas developer saas developer
Turn complex wireframes into a production-ready, lightning-fast digital product. I build advanced SaaS dashboards, cloud-native platforms, and interactive user interfaces emphasizing bulletproof architecture, flawless state management, and sub-second rendering speeds.
react developer react developer react developer react developer react developer react developer react developer react developer front end developer react front end developer react front end developer react front end developer react front end developer react next.js next.js next.js next.js next.js next.js next.js next.js next.js saas developer saas developer saas developer
Programming Languages
HTML & CSS, JavaScript, TypeScriptWhat's included $1,000
These options are included with the project scope.
$1,000
- Delivery Time 20 days
- Number of Revisions 0
6 reviews
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BC
Bart C.
Jan 2, 2026
React Developer
AS
Andre S.
Feb 5, 2022
Software Development ReactJS
Yevhen has been working on a complex ReactJS frontend and has exceeded our expectations. He has been a great addition to our team, and we are sad to see him leave after about one year of collaboration. We wish him all the best.
JS
Josh S.
Sep 14, 2020
Web Developer
Ive worked with Yevhen now for 6 months. During this time Ive watched Yevhen solve every problem we gave him. He is very intelligent and dependable developer and the only reason why l am closing our contract is because he has found another opportunity elsewhere. Otherwise, l would never let him go. Thank you for everything Yevhen. You put a smile on all our faces. We will miss you.
JB
Julian B.
Feb 20, 2020
Javascript Developer - React
IP
Ivan P.
Dec 18, 2019
VUE.JS DEVELOPER (LONGTERM) - Build frontend of a complex manufacturing app
Eugen finished again very well what was requested in the project. He had to make his own research of react libraries and develop a dashboard consuming data through API - and allow drag drop and resize and manipulation of admin dashboard widgets. Finished succesfully. Good job!
About Yevhen
React developer | Front end developer React | Next.js | SaaS developer
100%
Job Success
Zaporizhzhia, Ukraine - 11:34 am local time
As a SaaS developer, I work on live products and new functionality from scratch: SaaS platforms, dashboards, e-commerce, customer portals, and internal tools. My React developer work focuses on scalable front-end development, responsive design, API integrations, performance optimization, and clean, maintainable code.
📈 𝐕𝐄𝐑𝐈𝐅𝐈𝐄𝐃 𝐓𝐑𝐀𝐂𝐊 𝐑𝐄𝐂𝐎𝐑𝐃
• 9,795+ Upwork hours across 6 contracts
• $200K+ earned with 100% Job Success Score
• 7+ years as a React developer
• 3+ years on a large Shopify SaaS product
⚡ 𝐄𝐗𝐈𝐒𝐓𝐈𝐍𝐆 𝐏𝐑𝐎𝐃𝐔𝐂𝐓𝐒 & 𝐍𝐄𝐖 𝐅𝐄𝐀𝐓𝐔𝐑𝐄𝐒
A large part of my work is joining an existing codebase, understanding its architecture, and contributing without a long onboarding cycle. As a Front end developer React specialist and SaaS developer, I build new features, improve existing functionality, refactor legacy components, fix UI and functional issues, resolve production problems, and prepare stable releases.
For 3+ years on a Shopify SaaS product, I worked on storefront widgets, merchant dashboards, promotion flows, analytics, A/B testing, performance improvements, and Shopify integrations. That long-term React developer experience means I can extend a live product without breaking established workflows.
🛠 𝐑𝐄𝐀𝐂𝐓 / 𝐍𝐄𝐗𝐓.𝐉𝐒 𝐃𝐄𝐕𝐄𝐋𝐎𝐏𝐌𝐄𝐍𝐓
As a React developer, I build reusable components, dashboards, forms, tables, customer-facing flows, and business workflows. My core stack includes React, React.js, Next.js, JavaScript, TypeScript, HTML, HTML5, CSS, CSS3, Redux, React Bootstrap, Bootstrap, Git, React Hook Form, Storybook, and responsive design.
As a Front end developer React specialist, I also work in projects using Node.js, MongoDB, SQL, PHP, Python, Vue.js, Angular, jQuery, WordPress, Firebase, Supabase, and MERN stack environments. Across 7+ years of software development, I’ve worked alongside web developer, full stack developer, backend developer, python developer, and software developer teams.
For Next.js applications, I review existing codebases, build new features, optimize rendering and data fetching, integrate REST APIs and authentication, and make features production-ready. As a SaaS developer and Front end developer React / Front end developer Next.js specialist, I focus on clean architecture, performance, scalability, and reliable production behavior.
🔋 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄, 𝐑𝐄𝐅𝐀𝐂𝐓𝐎𝐑𝐈𝐍𝐆 & 𝐂𝐎𝐃𝐄 𝐐𝐔𝐀𝐋𝐈𝐓𝐘
Performance optimization is part of my regular React developer work: reducing unnecessary re-renders, improving state management and data synchronization, reviewing component architecture, addressing technical debt, and resolving frontend bottlenecks.
I can review an existing React or Next.js codebase, improve software design, address QA feedback, fix responsive behavior, and stabilize features before release. As a Front end developer React specialist and SaaS developer, I work independently, communicate technical risks clearly, and collaborate with product, web design, QA, Graphic design, and backend teams.
🔌 𝐅𝐔𝐋𝐋-𝐒𝐓𝐀𝐂𝐊 & 𝐏𝐑𝐎𝐃𝐔𝐂𝐓 𝐄𝐂𝐎𝐒𝐘𝐒𝐓𝐄𝐌𝐒
My React developer work often sits inside full stack developer environments with Node.js, PHP, Python, Laravel, MongoDB, SQL, MySQL, Firebase, or Supabase. I’m comfortable with full stack Next.js, Node.js Next.js backend, Next.js Supabase, React developer Firebase, React Next.js developer / react next js developer, and front end developer Next.js project setups.
As a Front end developer React, I also understand adjacent environments involving React Native, React Native developer workflows, React Native app developer teams, Desktop Application interfaces, Adobe Photoshop assets, web design handoff, software design, WordPress, Vue.js, Angular, and responsive design requirements.
🎯 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐂𝐀𝐍 𝐄𝐗𝐏𝐄𝐂𝐓
If you need a SaaS developer who can work inside an existing production application, a React developer to build new features, or a Front end developer React specialist to improve performance and maintainability, I can take ownership of the frontend and move the product forward.
For Next.js SaaS work, I focus on production-ready implementation, clean code, responsive UI, API integration, scalable component architecture, and reliable delivery. As a SaaS developer, I’m comfortable with long-term products where the codebase evolves continuously.
📩 Send me a message with your project scope, and let's build something exceptional together.
Steps for completing your project
After purchasing the project, send requirements so Yevhen can start the project.
Delivery time starts when Yevhen receives requirements from you.
Yevhen works on your project following the steps below.
Revisions may occur after the delivery date.
Next.js SSR Setup:
A high-speed frontend framework optimized for Server-Side Rendering, fast page loads, and modern Core Web Vitals.