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Nazarii
@nazarii_voitkiv
Level 2
Next js Developer, Bug Fixes, APIs and SaaS
Poland
Ukrainian, Russian, Polish
About me
I'm Nazarii, a full-stack developer working with Next.js, React, Node.js, and TypeScript. I fix bugs, deploy apps, and add APIs, Stripe payments, Supabase, and focused AI features. I also build clearly scoped SaaS MVPs. My portfolio includes event-platform development, e-commerce, and AI-powered tools. I agree on the scope before starting and provide tested changes, source code, and handoff notes. Send the issue or feature you need, and I'll confirm the next steps.
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 integrate apis and webhooks in your next js app
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.
44 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 44 Reviews
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tanzer81
Germany
Ongoing collaboration
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....
Seller's Response
Helpful?
tanzer81
Germany
Ongoing collaboration
Excellent experience working with Nazarii. He is highly professional, reliable, and technically very strong. Throughout the entire project, he was always solution-oriented, communicated clearly, and took responsibility even when unexpected technical challenges came up. Thank you!
Helpful?
tanzer81
Germany
Ongoing collaboration
Working with Nazarii has once again been an excellent experience. He is highly professional, reliable, and solution oriented. He handles complex technical requirements with great attention to detail and consistently delivers outstanding results.
Helpful?
tanzer81
Germany
Ongoing collaboration
Excellent work once again. Very professional, reliable, and technically strong. Communication is always clear, and he understands requirements quickly and often thinks ahead to find the best solution. It’s a pleasure working with him. Highly recommended!
Helpful?
tanzer81
Germany
Ongoing collaboration
Another great experience working with Nazarii! He implemented the requested improvements quickly and professionally. Communication was excellent as always, and he took the time to investigate issues and find effective solutions.
Helpful?
