You will get a Full Stack Web App Development | Full Stack Developer | React & Node.js
Rising Talent
Project details
You will get a Full Stack Web App Development | Full Stack Developer | React & Node.js
๐ ๐ฒ๐๐๐ฎ๐ด๐ฒ ๐บ๐ฒ ๐ต๐ฒ๐ฟ๐ฒ ๐ผ๐ป ๐จ๐ฝ๐๐ผ๐ฟ๐ธ ๐ณ๐ถ๐ฟ๐๐ ๐๐ผ ๐ฑ๐ถ๐๐ฐ๐๐๐ ๐๐ต๐ฒ ๐๐ฐ๐ผ๐ฝ๐ฒ ๐ฏ๐ฒ๐ณ๐ผ๐ฟ๐ฒ ๐ฝ๐น๐ฎ๐ฐ๐ถ๐ป๐ด ๐ฎ๐ป ๐ผ๐ฟ๐ฑ๐ฒ๐ฟ ๐ฉ
As a Full Stack Developer | React & Node.js | Full Stack Nodejs React, I build scalable web applications from frontend UI to backend API.
Best suited for:
โโข SaaS platforms
โโข Enterprise dashboards
โโข Business automation systems
โโข AI-powered web products
Whatโs included:
โโข React frontend
โโข Node.js / NestJS backend
โโข REST API development
โโข Database integration
โโข Production-ready structure
๐ ๐ฒ๐๐๐ฎ๐ด๐ฒ ๐บ๐ฒ ๐ต๐ฒ๐ฟ๐ฒ ๐ผ๐ป ๐จ๐ฝ๐๐ผ๐ฟ๐ธ ๐ณ๐ถ๐ฟ๐๐ ๐๐ผ ๐ฑ๐ถ๐๐ฐ๐๐๐ ๐๐ต๐ฒ ๐๐ฐ๐ผ๐ฝ๐ฒ ๐ฏ๐ฒ๐ณ๐ผ๐ฟ๐ฒ ๐ฝ๐น๐ฎ๐ฐ๐ถ๐ป๐ด ๐ฎ๐ป ๐ผ๐ฟ๐ฑ๐ฒ๐ฟ ๐ฉ
As a Full Stack Developer | React & Node.js | Full Stack Nodejs React, I build scalable web applications from frontend UI to backend API.
Best suited for:
โโข SaaS platforms
โโข Enterprise dashboards
โโข Business automation systems
โโข AI-powered web products
Whatโs included:
โโข React frontend
โโข Node.js / NestJS backend
โโข REST API development
โโข Database integration
โโข Production-ready structure
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Performance Optimization, Security, DesignWhat's included $15,000
These options are included with the project scope.
$15,000
- Delivery Time 30 days
- Number of Revisions 0
5 reviews
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MK
Mariana K.
May 15, 2026
Full Stack Developer - React / Next.js / TypeScript / Node.js / AI
Great experience working together once again. The team responded quickly, delivered solid results, and helped resolve the issue efficiently. Highly recommend!
MK
Mariana K.
Apr 15, 2026
Full Stack Developer (React / Next.js + Node.js) for Healthcare Platform Improvements
Really enjoyed working with Ostap and his team. They quickly understood our healthcare platform and delivered solid results. Communication was smooth and easy, and the team was collaborative, detail-oriented, and focused on practical solutions. Strong skills in React, Next.js, Node.js, and NestJS, with good understanding of healthcare standards. Definitely reccomend!
MK
Mariana K.
Mar 27, 2026
Full Stack Developer (React / Next.js / Node.js) for Healthcare App, Consultation firstly
Great experience working with Ostap and his team. They quickly understood our healthcare platform, provided clear, relevant insights, and identified key areas for improvement. Communication was smooth and professional throughout, and they were collaborative, detail-oriented, and focused on practical, solution-oriented outcomes. Strong expertise in React, Next.js, Node.js, and NestJS, with solid experience in healthcare standards (GDPR, HIPAA, ISO 27001, and FHIR), Iโd be happy to continue working together.
af
alexandra f.
Jul 13, 2017
Ultimate German Warmblood Tour - Leadpages, facebook payment/integration/stripe, bootstrap, and photo/gallery skill desired
Excellent service, execution and communication. Consummate professionals. Will hire again.
BS
Bilal S.
Jan 30, 2017
ReactJS Front End Guru
Thanks Volodymyr. Please use new contract from now on.
About Ostap
Full Stack Developer | React, Node.js Developer | SaaS | AI Developer
100%
Job Success
Lviv, Ukraineย - 9:37 pm local time
๐ GDPR & HIPAA | ISO 27001 Delivery Standards | Fortune 500 Experience
Hi ๐
I'm Ostap, Senior Full Stack Developer and Team Lead representing a delivery team building SaaS Platform, Web Platform, and Web App / Web Application products across Healthcare, FinTech, AI, IoT, Logistics, Construction, Retail, Travel, and Enterprise.
As a Full Stack Developer, I lead product delivery across architecture, frontend systems, backend systems, automation, cloud infrastructure, AI workflows, and mobile ecosystems, delivered 246 projects and helped platforms scale to millions of users.
As a React Developer, Frontend Developer, and Next.js Developer, I build dashboards, portals, CRM systems, admin panels, analytics systems, marketplaces, and Web App products used by 1,000+ businesses.
As a Node.js Developer and Backend Developer, I deliver API Integration, REST API, authentication, RBAC, payment systems, automation workflows, Firebase infrastructure, and backend systems processing 50,000+ daily actions.
Strong as:
๐ Full Stack Developer with React, Node.js, Next.js, TypeScript, JavaScript, REST API, PostgreSQL, MongoDB, MySQL, AWS, Docker, Kubernetes - Automation reduced workflows from 30 sec to 3 sec.
๐ React Developer / Frontend Developer / Next.js Developer: React, Next.js, TypeScript, JavaScript, HTML5, CSS3, Vue.js, Bootstrap, UX/UI, Landing Pages, Web Design - Modernization reduced maintenance costs by up to 50%.
๐ Node.js Developer / Backend Developer: Node.js, REST API, API Integration, RBAC, authentication, payments, data processing, automation, Firebase, cloud-native architecture - Monitoring accuracy improved by 45% with 40% less alert noise.
๐ Python Developer: AI Implementation, OpenAI, Claude, Llama, LLM workflows, analytics, monitoring, automation systems - Analytics systems process 35,000+ automated records.
๐ PHP Developer / WordPress Developer: PHP, WordPress, CMS platforms, business websites, portals, integrations, and scalable content systems.
๐ Mobile Developer - Mobile ecosystems reached 280,000+ users, 323,000+ downloads, and 82 countries.
๐ฅ WHERE I CREATE VALUE
โ Full Stack Developer delivery for SaaS Platform and Web Platform products โ 246 projects from MVP to scalable production.
โ React Developer delivery for dashboards, portals, CRM systems, marketplaces, and analytics platforms supporting 1,000+ businesses.
โ Frontend Developer execution focused on maintainable UI, responsive Web App experiences, and long-term product growth.
โ Next.js Developer delivery for production-ready SaaS interfaces, landing pages, customer portals, and Web Application products.
โ Node.js Developer delivery for backend architecture, REST API, API Integration, payment workflows, RBAC, authentication, and automation systems.
โ Backend Developer ownership for scalable databases, cloud infrastructure, data processing, monitoring systems, and enterprise integrations.
โ Full Stack Developer + React Developer collaboration for MVP launches in as little as 3 months and platforms supporting millions of users.
โ Frontend Developer + Next.js Developer delivery for modern Web Platform experiences across Healthcare, FinTech, AI, IoT, Construction, Logistics, Retail, and Travel.
โ Node.js Developer + Backend Developer delivery for automation systems generating $100,000+ annual operational savings.
Need a Full Stack Developer to own architecture, delivery, and roadmap execution? I can lead the product side while our engineering team scales implementation.
Need a React Developer, Frontend Developer, or Nextjs Developer to improve your SaaS Platform UI, dashboards, portals, or Web App experience? We can add focused frontend capacity without slowing delivery.
Need a Nodejs Developer or Backend Developer to stabilize APIs, automation, integrations, payments, or cloud infrastructure? We can strengthen the backend while keeping product delivery moving.
For AI, automation, and data-heavy work, our team can add a Python Developer experienced in AI workflows, analytics systems, and automation pipelines processing 35,000+ records.
For CMS, legacy modernization, and business platforms, our team can add a PHP Developer and WordPress Developer for websites, portals, integrations, and content-driven ecosystems.
For real-time apps and mobile-connected products, we can add Firebase Developer capacity for authentication, notifications, analytics, and cloud-connected infrastructure.
Need extra capacity? Full Stack Developer, React Developer, Frontend Developer, Nextjs Developer, Nodejs Developer, Backend Developer โ one team, measurable delivery.
React Developer, Frontend Developer, Next.js Developer, Node.js Developer, Backend Developer capacity can join your product without slowing the roadmap.
๐ฉ Send an Invite, or contact in DM on Upwork โ let's discuss your SaaS, Web Platform, MVP, AI Product, Mobile App, or Web App.
Steps for completing your project
After purchasing the project, send requirements so Ostap can start the project.
Delivery time starts when Ostap receives requirements from you.
Ostap works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Discussion & Scope Definition
Client submits initial requirements. We review and discuss details, clarify expectations, define the project scope, and align on deliverables before development or implementation begins.
Development & Implementation
After scope approval, I begin development and implementation according to the agreed requirements. Progress updates are shared regularly, ensuring transparency and alignment until completion.