SV.
Available for work

Sergei Vassiljev

Full-Stack Developer

I design and ship fast, accessible web products — from architecture to pixel.

TypeScriptReactAngular 18Next.jsNestJSNode.jsPostgreSQLDocker

01

Tsubomi.app

Tsubomi brings together guided reading, vocabulary SRS, listening drills, kanji, grammar, and kana practice into one focused study loop built for long-term retention. Already used by 1,000+ learners — completely free.

Angular 18TypeScriptNestJSPostgreSQLTypeORMRxJSThree.jsTailwind CSS
Private Live

02

Multi-agent research and debate app built with Next.js.

Users enter a topic, then six AI agents run a staged pipeline and stream results live. The app renders pipeline progress, per-agent activity, and a final report.

Next.js 16TypeScriptReact 19Framer MotionAnthropic SDK

03

GPT-3 in Medical NLP

Thesis project exploring the possibilities and challenges of using GPT-3 for natural language processing in medicine — demonstrating how it can support medical processes through enhanced text analysis and NLP capabilities.

PythonOpenAI APIReactFlaskpandasNumPyMatplotlib

Experience

Application Engineer@ Kuehne+Nagel

Brought Legal projects from concept to production, streamlining processes and running continuous improvement powered by data.

Mar 2024 — Now
Support Engineer@ Kuehne+Nagel

Cloud migration, Dynamics 365, software analysis, CRM. GDPR compliance and Voice of the Customer initiatives.

Mar 2021 — Mar 2024
IT Support Engineer@ Kuehne+Nagel

Internship.

Jan 2021 — Mar 2021
Full Stack Developer@ Pipedrive

Internship. Built an internal resource management tool using Vue.js and Node.js, designing the UI and building APIs for data integration.

Oct 2021 — May 2022

Contact

Let's work
together.

Open to full-time roles and freelance. I respond within 24 h.