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Denys Hnydiuk

@denyshnydiuk

Junior full-stack developer (TypeScript, React/Next.js, NestJS, PostgreSQL). Co-built and deployed a live platform used by 100+ students.

Ukraine

Message

What I'm looking for

A remote junior or intern role, full-stack or frontend, on a real product with real users: a team where I can ship features end to end and get regular code review. My stack is TypeScript, React/Next.js, Node.js/NestJS and PostgreSQL, and I pick up new tools quickly. Based in Ukraine (UTC+3), open to full-time or part-time and to contractor arrangements, and available to start right away.

I'm a junior full-stack developer and a 2nd-year Software Engineering student at Igor Sikorsky Kyiv Polytechnic Institute (Ukraine). I work with TypeScript, React/Next.js, NestJS and PostgreSQL, and I'm looking for a remote junior or intern role on a real product.

My main project is my faculty's student council platform (fice-sc.kpi.ua). I'm one of its two core developers: after the rest of the team left, the two of us wrote about 90% of the code. It launched in October 2026, and 100+ students applied to join the council through it within days.

I deployed it myself to the university's Ubuntu server with Docker Compose and Caddy (automatic HTTPS). Right before the launch I shipped 40+ security and reliability fixes, including server-side authorization and validation, upload quotas, and background Telegram broadcasts with retries and no duplicate sends. I also built the landing page, department pages and partner application form, designed the core Prisma data model (14 models), and built a Monobank donation-jar sync with rate-limit backoff, Telegram alerts and Jest tests.

Side projects: AirDraw (air-draw-three.vercel.app), drawing in the air with hand gestures through a webcam (MediaPipe + Canvas), and TechStore (techstore-taupe.vercel.app), an e-commerce app with Stripe Checkout and webhook-based order fulfillment.

I use Claude Code every day and review and test everything it writes. English C1 (TOEFL iBT 100). Outside of code: 1st place in Ukraine and international finalist (Paris, 2024) at the Championship of Mathematical and Logical Games.

Experience

Work history, roles, and key accomplishments

Full-Stack Developer (Volunteer)

FICE Student Council, Igor Sikorsky KPI

Mar 2026 - Oct 2026 (7 months)

One of two core developers of the council's website (Next.js, NestJS, PostgreSQL); after the rest of the team left, the two of us wrote about 90% of the code. Launched in October 2026, and 100+ students applied to join the council through it within days. I deployed it to production myself (Ubuntu, Docker Compose, Caddy) and shipped 40+ security and reliability fixes around the launch.

TypeScript React Next.js NestJS PostgreSQL Prisma Docker Docker Compose Caddy Linux SSH Jest Telegram Bot API grammY SEO Google Search Console

Education

Degrees, certifications, and relevant coursework

Igor Sikorsky Kyiv Polytechnic Institute

Bachelor of Science, Software Engineering

2025 -

Grade: 3.8

Activities and societies: Championship of Mathematical and Logical Games: 1st in Ukraine and international finalist, Paris (2024); 4th in Ukraine and 4th in the Parallel category of the international final, Tunisia (2025).

2nd-year Software Engineering student. Classes are currently remote, so I can work remotely alongside my studies. Courses: EPAM (Practical C# & OOP), Cisco Networking Academy (Industrial Networking Essentials).