You will get a production-ready Full-Stack Web App or SaaS MVP
Project details
Looking for a Senior Full-Stack Engineer to turn your vision into a production-grade Web App or SaaS MVP? I build robust, high-performance, and scalable applications using Next.js, React, Node.js, TypeScript, and modern AI/Cloud infrastructure.
What I deliver:
• Full-Stack Architecture: Next.js (SSR, ISR), React, Node.js, GraphQL, REST APIs.
• Scalable Databases: PostgreSQL, MongoDB, Prisma ORM, Supabase.
• Production Essentials: Authentication (Clerk/NextAuth), Stripe payments, admin dashboards, responsive Tailwind UI.
• Advanced Capabilities: AI LLM integrations (OpenAI/Anthropic), real-time WebSockets, automated CI/CD pipelines.
Why work with me:
• 10+ years in software engineering & Master’s Degree in Computer Science.
• Ex-Team Lead experience: I design clean, maintainable architecture built for growth.
• Independent Solo Freelancer: Direct communication without agency overhead.
From raw concept to launch-ready application with flawless UX and rock-solid code. Send a message to discuss your roadmap!
What I deliver:
• Full-Stack Architecture: Next.js (SSR, ISR), React, Node.js, GraphQL, REST APIs.
• Scalable Databases: PostgreSQL, MongoDB, Prisma ORM, Supabase.
• Production Essentials: Authentication (Clerk/NextAuth), Stripe payments, admin dashboards, responsive Tailwind UI.
• Advanced Capabilities: AI LLM integrations (OpenAI/Anthropic), real-time WebSockets, automated CI/CD pipelines.
Why work with me:
• 10+ years in software engineering & Master’s Degree in Computer Science.
• Ex-Team Lead experience: I design clean, maintainable architecture built for growth.
• Independent Solo Freelancer: Direct communication without agency overhead.
From raw concept to launch-ready application with flawless UX and rock-solid code. Send a message to discuss your roadmap!
Programming Languages
HTML & CSS, JavaScript, TypeScriptWhat's included
| Service Tiers |
Starter
$800
|
Standard
$2,500
|
Advanced
$5,000
|
|---|---|---|---|
| Delivery Time | 5 days | 12 days | 20 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 2 | 5 | 10 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
KYC Identity Verification
(+ 3 Days)
+$500
AI Assistant Integration
(+ 3 Days)
+$600
Advanced Analytics & Admin Panel
(+ 2 Days)
+$450Frequently asked questions
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AJ
Andrew J.
Aug 22, 2025
Senior Front End Heads Down Developer - long term remote contract
Dmitry is an excellent full stack engineer who combines strong technical expertise with reliable delivery. His written communication was clear and effective, and he consistently produced high-quality solutions over the 2+ years we worked together. A skilled and dependable engineer who would be a valuable addition to any team.
MB
Michael B.
Jul 11, 2022
Frontend for smart contracts
Dmitry well did his work and we will continue work with him later. We didn't experience any issues during his work and we would recommend him as an excellent Web3 specialist.
EP
Eli P.
Mar 28, 2022
Staking smart contracts frontend
Dmitry is a seasoned professional in web3 frontend. He has delivered everything extremely fast with exceptional quality. We highly recommend his professional skills and will definitely hire again!
GC
Given C.
Dec 20, 2021
React frontend, Node.js, NFT developer
Good developer, try!
EP
Eli P.
Dec 5, 2021
Crowdsale Contract Web3 connection
Dmitry is a true professional, all of the tasks were completed very quickly, on time and without any trouble. Multiple interfaces he helped us to build are working stable and without any errors. Will definitely hire again!
About Dmytro
Senior Full-Stack Engineer | React, Next.js, Node.js | SaaS & AI
100%
Job Success
Kyiv, Ukraine - 11:16 am local time
Ready to get started? Send me a message — I’m available to start now. Let’s discuss your project, requirements, and the best way to move forward.
With 11+ years in tech and a Master's in Computer Science, I help startups, founders, and engineering teams build production-grade web applications from scratch.
- 100% Hands-On: You work directly with me. No agency bloat, no hidden outsourcing, and no hand-offs to junior devs. You get senior-level architecture and execution on every line of code.
- Full Product Ownership: From DB design and NestJS backends to polished Next.js interfaces and AI integrations.
✅ Frontend Excellence (React Ecosystem):
✢ React.js / Next.js (SSR, SSG, ISR, Hybrid apps) - TypeScript-first
✢ React Native (Cross-platform mobile apps for iOS & Android, code sharing with web)
✢ State management: React Query, MobX, Zustand, Redux Toolkit, Context API
✢ Performance optimization: code splitting, lazy loading, memoization, Suspense, concurrent features
✢ UI precision: Tailwind, MUI, SCSS, Alpine.js - pixel-perfect, mobile-first, cross-browser
✢ Testing: Jest, Cypress, Vitest for stable, bug-free delivery
✅ Backend Power: Node.js (NestJS), GraphQL, REST, Prisma ORM, Supabase, Web Scraping (Playwright, Puppeteer), microservices - robust, high-performance architecture
✅ MERN Stack: MongoDB, Postgres, Express.js, React.js, Node.js - full-stack applications with seamless integration
✅ AI: AI chatbot creation, LLM integrations (OpenAI, Anthropic), Text-to-Speech (StyleTTS2), audiobook generation, AI-driven automation
✅ Web3: Ethers.js, Web3.js, Crossmint (minting, payments, wallet flows), blockchain infrastructure integrations (Blockradar, Nexus)
✅ CI/CD & DevOps: Vite, Webpack, Gulp, Docker, GitHub/GitLab CI, Vercel / Netlify - smooth delivery & scaling
✅ Any Functionality: SaaS platforms, dashboards, marketplaces, fintech, e-learning, CRM/ERP, DeFi/GameFi
✅ MVPs that scale: From raw idea → production-ready product with flawless UX + rock-solid core
I don’t just write code - I build production-grade products where polished React interfaces, robust backends, and modern technologies like AI and DevOps come together seamlessly.
🤝 If you're looking for a senior full-stack engineer to join your journey, contribute beyond code, and help build a product that lasts, message me today.
Core Expertise:
Senior Full Stack Engineering • React Development • Next.js Development • Node.js Development • MERN Stack Development • SaaS Development • Product Development • Startup MVP Development • AI Integrations • TypeScript • JavaScript • Scalable Web Applications • Enterprise Applications • "Senior Full Stack Developer" React Next.js Node.js • "Next.js Developer" TypeScript AI • "AI Integration" React Next.js • "AI Engineer" "Next.js" Node.js • "Product Engineer" React TypeScript • "Senior React Developer" Next.js • Senior Software Engineer • Full Stack AI Developer • AI Full Stack Developer • FinTech Developer
Steps for completing your project
After purchasing the project, send requirements so Dmytro can start the project.
Delivery time starts when Dmytro receives requirements from you.
Dmytro works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Architecture Setup
I review project goals, design schemas, set up the Next.js/Node.js repository, configure TypeScript and CI/CD pipelines, and establish data models for scalable growth.
Core Frontend & API Development
I build responsive UI components in React/Next.js with Tailwind, construct robust REST/GraphQL APIs in Node.js, and connect databases with Prisma/Supabase.