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You will get Full Stack Developer React Node for SaaS MVP Development | API integration

Ihor K.Status: Offline
Ihor K. Ihor K.
5.0
Preview image

Let a pro handle the details

Buy Web Application Programming services from Ihor, priced and ready to go.
Ihor K.Status: Offline
Ihor K. Ihor K.
5.0
Preview image

Let a pro handle the details

Buy Web Application Programming services from Ihor, priced and ready to go.

Project details

If your product depends on multiple services and things don’t work smoothly together - I help fix that.

As a full stack developer, I focus on clean API integration, stable backend logic, and predictable system behavior. Whether it’s payments with stripe, auth flows, or third-party services, I make sure everything connects and runs reliably. I work across Node.js, React, Next.js, and mern stack, improving performance, simplifying architecture, and aligning development with real product goals. This applies to both early builds and growing saas platform systems.

saas developer, full stack developer, software developer, web developer, saas marketing, cto, full stack developer laravel, supabase, full stack developer saas, personal stylist, mobile app design, real estate platform, saas platform, communications, cms developer, saas platform developer, microsoft azure, senior web developer, google ads, digital marketing, saas development, senior full stack developer, saas mvp, react developer, full stack developer react, react native, stripe, full stack developer react node, mern stack, API integration, Web application, Web development, Full-stack development, Node.js, Next.js
Programming Languages
HTML & CSS, JavaScript, TypeScript
Coding Expertise
Localization, Performance Optimization, Security

What's included $50

These options are included with the project scope.

$50
  • Delivery Time 1 day
  • Number of Revisions 0
5.0
2 reviews
100% Complete
(2)
1% Complete
(0)
1% Complete
(0)
1% Complete
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1% Complete
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AC

Anastasia C.
5.00
Apr 6, 2026
Full Stack Developer for MVP SaaS platform Ihor is a highly skilled Full Stack Developer with strong experience building MVPs and SaaS platforms. He has deep experience with React and Next.js on the frontend and Node.js on the backend, delivering reliable and well-structured solutions that scale as web applications.

Ihor is a clear communicator who keeps everything transparent and easy to follow throughout the project. He is detail oriented and consistently focused on delivering high-quality results. He approaches challenges in a solution oriented way, always proposing practical improvements rather than just executing tasks. Ihor is collaborative, easy to work with, and remains professional in all interactions.

He is reliable, accountable for outcomes, and committed to delivering a solid end result.

HK

Hanna K.
5.00
Feb 19, 2026
SaaS Developer with WhatsApp experience Ihor worked as a SaaS developer. He structured the SaaS platform features and release flow on a mern stack platform. As a Full Stack developer react node, he handled both backend logic and UI fixes. As a web developer, he was easy to work with, communicated clearly, and focused on practical solutions that improved stability and performance
Ihor K.Status: Offline

About Ihor

Ihor K.Status: Offline
SaaS Developer | Full Stack Developer React Node | SaaS MVP
100% Job Success
5.0  (2 reviews)
Kyiv, Ukraine - 1:23 pm local time
Searching for Senior Full Stack developer for your SaaS platform❓I’m a Senior Full Stack Developer React Node Next.js with 5+ years of experience building and scaling SaaS platforms, dashboards, API integrations and web applications improvements.

🌟 My key highlights:
🏆 Senior Full Stack Developer React Node Next.js
🏆 Full Stack SaaS Developer who can take full ownership on your project
🏆 Delivered 30+ SaaS platforms and web applications from MVP to production
🏆 Strong problem-solving skills with experience working in fast-paced startup environments
🏆 Strong communication skills in English for clear collaboration with teams and clients

💡 What I can bring as Full Stack Developer:
🗸 Full Stack development (React Node, MERN Stack)
🗸 SaaS platform developer for architecture and scaling
🗸 REST API and GraphQL API development
🗸 API integrations (payments, analytics, third-party services)
🗸 Performance optimization and system stability
🗸 Clean, maintainable code and long-term product thinking
🗸 Development of internal tools and workflow platforms for business processes
🗸 Integrations with messaging systems (WhatsApp, Twilio) and email services

🚀 Relevant product experience:
As a Full Stack developer SaaS oriented, I focus on development SaaS platforms and web applications across:
🗸 Logistics & Supply Chain – Complex tracking and data systems.
🗸 Fintech – Secure Fintech platforms and financial apps.
🗸 E-commerce – Marketplaces, online shops, and trading platforms.
🗸 Real Estate – Real Estate Platform, Marketplaces and advanced booking systems.
🗸 Travel – Booking platforms with map integrations (Google Maps, Mapbox).
🗸 Education – E-Learning platforms, LMS, and online courses.

⚙️ Tech stack ⚙️
As a Full Stack Developer and SaaS Developer, I work with:
⚙️ Languages – JavaScript, TypeScript, Python, PHP
⚙️ Front-End Development – React.js, Next.js, Redux, HTML5, CSS3, Canvas
⚙️ Back-End Development – Node.js, NestJS, Express, WordPress
⚙️ UI & Styling – Tailwind CSS, Material UI, Bootstrap, shadcn/ui, SCSS, SASS, LESS
⚙️ API Integration – RESTful APIs, GraphQL APIs, Webhooks, OpenAI API, Claude API, Stripe API
⚙️ Databases – PostgreSQL, MySQL, MongoDB, Supabase, Firebase
⚙️ Cloud & Infrastructure – AWS S3, AWS Lambda, Google Cloud, Microsoft Azure, Vercel, DigitalOcean, Docker, Kubernetes
⚙️ DevOps & Quality – CI/CD (GitHub Actions, GitLab CI), Testing (Jest, Playwright), Monitoring (Sentry), Logging
⚙️ Version Control – Git (GitHub, GitLab, Bitbucket)
⚙️ Design Tools – Figma, Adobe XD, Sketch

As a Full Stack developer React Node and SaaS Developer I have a strong understanding of SaaS development in both front-end and back-end technologies and have experience in developing scalable web applications, SaaS platforms, SaaS dashboards, analytics systems, Progressive Web Applications (PWA), authentication systems (OAuth, JWT), and API-driven solutions. I support products through early MVP development, feature expansion, and long-term iteration across web and SaaS applications.

As a result oriented Full Stack developer React Node and SaaS developer at Si Development, I’ve collaborated with different amount of teams and developers, as: Python developer, full stack developer laravel vue, wordpress developer, Ruby on Rails developer, mobile app developer, cms developer, react native developer, ux designer, CTO, Senior Web Developer, Software developer, MERN Stack developer, another React Developer and Front End developer React, etc.

As a Full Stack developer, I supported growth initiatives in SaaS marketing, SaaS sales, digital marketing, and Google Ads, managing communications across teams and markets including Nigeria, and coordinating with roles such as Graphic Designer, Virtual Assistant, Personal Stylist, while contributing to mobile app design.

I also use AI-assisted development tools (Cursor, Codex, Claude Code) to improve development speed and code quality.

If you’re looking for a Full Stack Developer React Node or SaaS Developer who understands how to build and evolve real products, I’d be happy to discuss your project goals and technical requirements.

Steps for completing your project

After purchasing the project, send requirements so Ihor can start the project.

Delivery time starts when Ihor receives requirements from you.

Ihor works on your project following the steps below.

Revisions may occur after the delivery date.

Consultation

Consultation

Review the work, release payment, and leave feedback to Ihor.