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Nazarii
@nazarii_voitkiv
Level 2
Next js Developer, Bug Fixes, Deployment, SaaS
Ukraine
Ukrainian, Russian, Polish
About me
Hi, I’m Nazarii, a Full Stack Developer from Ukraine focused on fixing, deploying, and extending Next js apps.
I help founders and small teams with Next.js bugs, Vercel or Render deployment issues, Node.js errors, API integrations, Stripe billing, Supabase, OpenAI features, dashboards, and lean SaaS MVPs.
If you have an existing app, repo, or product idea, I can help debug the issue, connect the missing piece, or get the app live with clean code and clear communication.
Skills
Nazarii
$25/hour
Offline •
Average response time: 1 hour
See my services
Bug Fixes
I will fix next js bugs, node js errors, and vercel deployment issues
Custom Websites
I will build a lean saas mvp with next js supabase and stripe
Want to work on an hourly basis?
Tell Nazarii what you need.
$25
/
hourPortfolio
Work experience
Full Stack Developer
Tanda • Full-time
Mar 2024 - Jan 2026 • 1 yr 10 mos
As a Full Stack Developer at Tanda (tanda.spot) — an innovative platform for discovering local events — I am responsible for building, scaling, and maintaining the core web architecture. My key responsibilities and achievements include: Frontend Development: Building responsive, high-performance user interfaces using Next.js to ensure a seamless, engaging experience across all devices. Backend Architecture: Developing robust server-side logic, managing databases, and creating RESTful APIs using Node.js. System Integration: Engineering smooth data synchronization and API communication between the web platform and the companion mobile application. Performance & SEO: Optimizing the web application for speed and implementing technical SEO best practices to boost organic event discoverability. Code Quality: Writing clean, maintainable, and scalable code while focusing on an intuitive user journey for both "Explorers" (attendees) and "Local Creators" (organizers). Core Technologies: Next.js, Node.js, REST APIs, Web Performance Optimization.
17 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 17 Reviews
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Most relevant
bidrops
Repeat Client
United Kingdom
Very professional and detailed technical audit. He identified critical backend and security issues clearly and explained them in a structured way. Communication was clear and honest, and the report gave me a much better understanding of what needs to be fixed before launch. Looking forward to working together on the next phase.
Helpful?
bidrops
Repeat Client
United Kingdom
Great work on Phase 1. He completed a detailed backend/security audit and verified the key production fixes properly. Communication was clear throughout, he explained the results well, and the final report was professional and easy to understand. The backend, database rules, access controls, and core...
Helpful?
tanzer81
Repeat Client
Germany
I am very satisfied working with Nazarii. As always, he delivered the tasks quickly, professionally, and with great attention to detail. What I appreciate most is that he really understands the system and thinks about stability, architecture, and long-term quality instead of just rushing through tasks....
Helpful?
bidrops
Repeat Client
United Kingdom
Nazarii has been professional, responsive, and clear throughout the project. He understood the importance of consolidating the Stripe, SendCloud, order flow, tracking, and final UI work into one single launch-ready build. Communication has been good, and he has shown a strong understanding of what is...
Helpful?
stanprzyuski
Repeat Client
United States
Nazarii was exceptional to work with. His expertise was very much appreciated and I absolutely will be working with him again in the future!
Helpful?
