You will get Full-Stack SaaS MVP Developer | React, Next.js, Node.js & Stripe
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Project details
As a Senior Full-Stack Developer, I build production-ready SaaS MVPs from idea to launch using React, Next.js, TypeScript, Node.js, and modern cloud technologies.
Whether you are validating a new startup idea, launching a B2B SaaS product, or turning an existing concept into a working platform, I can help you design and build the technical foundation for long-term growth.
I have 12+ years of software development experience and have successfully delivered 300+ projects for startups, growing companies, and enterprise clients.
I can build your MVP from scratch or join an existing project and help accelerate development.
My approach is focused on building the right MVP — not overengineering the product before you have validated the market.
TECHNOLOGY STACK:
React.js, Next.js, TypeScript, Node.js, NestJS, Express.js, PostgreSQL, MongoDB, Redis, Stripe, Docker, AWS, Vercel, OpenAI, Claude, Gemini.
I can build a focused MVP for a new idea or help evolve your existing product into a scalable SaaS platform.
Whether you are validating a new startup idea, launching a B2B SaaS product, or turning an existing concept into a working platform, I can help you design and build the technical foundation for long-term growth.
I have 12+ years of software development experience and have successfully delivered 300+ projects for startups, growing companies, and enterprise clients.
I can build your MVP from scratch or join an existing project and help accelerate development.
My approach is focused on building the right MVP — not overengineering the product before you have validated the market.
TECHNOLOGY STACK:
React.js, Next.js, TypeScript, Node.js, NestJS, Express.js, PostgreSQL, MongoDB, Redis, Stripe, Docker, AWS, Vercel, OpenAI, Claude, Gemini.
I can build a focused MVP for a new idea or help evolve your existing product into a scalable SaaS platform.
Programming Languages
JavaScript, Java, TypeScriptWhat's included $7,000
These options are included with the project scope.
$7,000
- Delivery Time 30 days
- Number of Revisions 0
- Number of Pages 10
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JS
Jonathan S.
Mar 16, 2026
Salesforce Developer
Great Freelancer, Great Team!
I would absolutely recommend working with him. The work quality was excellent, communication was smooth, and the pricing was very fair. He delivered everything very quickly and showed strong Salesforce expertise. I’m looking forward to working together again!
I would absolutely recommend working with him. The work quality was excellent, communication was smooth, and the pricing was very fair. He delivered everything very quickly and showed strong Salesforce expertise. I’m looking forward to working together again!
PB
Phil B.
Feb 24, 2025
Sales Force Developer
Dev work in PHP, Salesforce and database in AWS.
Good work and can recommend.
Good work and can recommend.
SS
Sam S.
Sep 24, 2024
Salesforce Development Contract Work
JS
Jonathan S.
Jan 24, 2024
Salesforce Development support
Great Feelancer! Great work and great communication and great consulting . Absulot nothing to complain.
A real expert in Salesforce.
A real expert in Salesforce.
LB
Luc B.
Oct 11, 2023
Update Heroku project
About Kirill
Full Stack Developer Node | Node.js React MERN
100%
Job Success
Warsaw, Poland - 12:00 pm local time
I've successfully delivered 300+ projects for startups, growing businesses, and enterprise clients, taking ownership from architecture and backend development to polished frontend experiences and production deployments.
I enjoy solving complex technical challenges while keeping business goals at the center of every decision.
💼 Core Services
• Full-stack web application development
• React.js, Next.js & TypeScript development
• Node.js, NestJS & Express backend development
• REST & GraphQL API design and implementation
• Database architecture (PostgreSQL, MongoDB, MySQL)
• Authentication, payments, and third-party integrations
• AI integrations with OpenAI, ChatGPT, Claude, Gemini, and custom AI agents
• SaaS product development
• Dashboard and admin panel development
• Performance optimization and application scaling
• Cloud deployment and DevOps
• MVP development for startups
• Long-term product maintenance and feature development
⭐ Why clients work with me
✔️ 12+ years of professional software development
✔️ 300+ successfully delivered projects
✔️ Strong architecture combined with hands-on coding
✔️ Business-oriented approach, not just feature delivery
✔️ Clean, maintainable, scalable code
✔️ Clear communication and reliable execution
🛠 Tech Stack
Frontend
• React.js
• Next.js
• TypeScript
• JavaScript
• Tailwind CSS
• HTML5 & CSS3
Backend
• Node.js
• NestJS
• Express.js
• REST APIs
• GraphQL
Databases
• PostgreSQL
• MongoDB
• MySQL
• Redis
Cloud & DevOps
• AWS
• Docker
• GitHub Actions
• CI/CD
• Vercel
• Heroku
AI & Automation
• OpenAI
• ChatGPT
• Claude
• Gemini
• AI-powered workflows
• Custom AI assistants and automation
Whether you're building a SaaS platform, modern web application, AI-powered product, or need an experienced engineer to accelerate your existing project, I'm ready to help you build scalable software that lasts.
Let's discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Kirill can start the project.
Delivery time starts when Kirill receives requirements from you.
Kirill works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Gathering
I will review the documentation and provide an estimate.