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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.
31 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 31 Reviews
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Most relevant
dmitrybagrov
Kazakhstan
Exceptional work. I ordered a technical discovery for an existing web project and received a 28-page audit — architecture, data model, security, GDPR, risks, and a phased plan with realistic estimates. He studied our codebase in detail, flagged issues we hadn't noticed, and was honest about the hard...
Helpful?
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
Nazarii has been an outstanding developer throughout our collaboration. He consistently delivers high-quality work, pays great attention to detail, and always thinks beyond the requested tasks by suggesting practical improvements. Thank you.
Seller's Response
Helpful?
tanzer81
Germany
Ongoing collaboration
I am very satisfied with Nazarii’s work. He is reliable, professional, and understands the system extremely well. Tasks are implemented carefully, with great attention to stability and long-term quality. Communication is always clear, fast, and efficient. Great cooperation as always. Thank you!
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?
