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Nikita
@nikitaderduga
Full Stack Developer
Rússia
Inglês, Russo
Sobre mim
I build web and mobile applications with React, Next.js, React Native and TypeScript, backed by Node.js or Python/FastAPI. My projects include a news and video app, a subscription service dashboard, Telegram bots and an agency website. I can help with admin panels, API integrations, payment workflows, notifications and automation. Tell me what you need to build or improve, and we can define a clear scope.
Habilidades
Nikita
offline •
Conheça meus serviços
Chatbots baseados em regras
I will build custom chatbots and automation
Portfólio
Experiência profissional
Full Stack Developer
Freelance • Freelance
Apr 2020 - Present • 6 yrs 6 mos
Freelance full stack developer building web and mobile applications for clients. Selected projects: • M-MEDIA — Developed a cross-platform news and video application using React Native, Expo and TypeScript, with a Node.js/Fastify backend, PostgreSQL, editorial tools and media management. • Krepost — Developed retail application interfaces for product browsing, filtering, shopping carts and customer profiles, alongside Express/SQLite backend components for catalog synchronization and Telegram order notifications. • TROE Agency — Built a Next.js website presenting the agency's services and portfolio, with project pages and multimedia galleries. My work covers frontend and backend development, API integration and custom business functionality.
Backend Developer
Alfa
May 2023 - Jul 2026 • 3 yrs 2 mos
Backend development for banking applications and internal services. Responsibilities included: • Developing and maintaining backend APIs and business logic. • Implementing data validation, error handling and operation status management. • Integrating services with internal systems and external APIs. • Working with relational databases, SQL queries, schema migrations and transactions. • Handling repeated requests, partial failures and consistency between services. • Implementing background tasks and notification workflows. • Applying authentication, authorization and access-control rules. • Adding logging, audit records and service health checks. • Writing unit and integration tests, including failure scenarios. • Investigating production issues and improving service performance. • Participating in code reviews and collaborating with analysts, frontend developers, QA and operations teams.
