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Product engineer shipping AI-native software end-to-end -> concept to production in days. Currently scaling TechTree from 0 to 27,000+ MAU. Previously early engineer at YC-backed Scape (S24) and Legora (W24, now $5.6B valuation). Founding frontend engineer of KN Solvro - largest IT science club in Poland (160 members). 4× HackYeah hackathon participant, 1st place 2025.

Education
  • •GPA: 4.88 · final degree grade: 5 (Polish scale)
  • •Rector's Scholarship (Stypendium Rektora) - awarded multiple times for top academic performance; ranked #1 in the most recent cohort.
    • 10/2022 – 01/2026Wrocław
  • •Thesis: AI Present Finder - agentic gift-recommendation system, 6 specialized agents in event-driven microservice architecture.
    • Professional Experience
    Product Engineer, TechTree⁠
  • •AI-native B2B recruitment platform; ship features end-to-end from spec to prod, talking to users and product daily.
  • •Built and launched the job board from scratch - 0 → 25,000+ MAU within 2 months; platform-wide 27,000+ MAU as of Apr 2026.
    • 12/2025 – presentWrocław (remote)
  • •Drove 600 applications and 200 searches via EasySearch - candidate-sourcing flow on top of Revelio data and Gemini.
  • •Owned dashboard redesign and Application Drawer refactor
    • Software Developer (ex-Head of Frontend), Koło Naukowe Solvro⁠
  • •Founding frontend engineer of the largest IT science club in Poland (160 members); led recruitment, code review, mentoring and technical decisions.
  • •Conference speaker: “How to land your first developer job” at WitKon 2025; “Your network is (probably) underused” at KISS IT PWr.
    • 09/2023 – 03/2026Wrocław
  • •Ran a hands-on testing workshop for 33 students (80% completion) covering Vitest, Playwright, MSW and integration-testing best practices.
  • •Hackathon mentor at BestHacks 2025, advising teams on shipping demoable, high-impact MVPs.
    • Software Developer (via Alergeek Ventures), Scape (YC S24)⁠
  • •Early engineer at a Y Combinator S24 AI-native CRM startup (San Francisco).
  • •Built the 2nd iteration of a Granola-like desktop meeting recorder (Electron, real-time transcription, summarization).
    • 02/2025 – 12/2025Remote
  • •Designed and shipped an app-wide AI agent giving users a single natural-language interface to drive the entire app.
  • •Led migration from a package-based monorepo to a monolithic architecture; resolved long-standing Postgres RLS performance bottlenecks.
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    Software Developer (via Alergeek Ventures), Legora (YC W24)⁠
  • •Early engineer through their Y Combinator W24 batch and $25M Series A (led by Redpoint; July 2024); legal-AI platform now at $5.6B valuation and $100M+ ARR (Series D led by Accel; backers include NVIDIA, Atlassian, Salesforce Ventures).
  • •Scaled file processing for user uploads and public document corpora (>1M docs per ingest) with Dagster, Redis and Node.js.
    • 02/2024 – 12/2024Remote
  • •Introduced an Nx-based monorepo, cutting build times and unblocking parallel team velocity.
  • •Migrated API layer from Next.js routes to Express.js; hardened auth, rate-limiting and input validation.
    • Junior Frontend Developer, Alergeek Ventures⁠
  • •Built a serverless game backend supporting 50,000 concurrent users.
  • •Cut CI pipeline time by 50% (≈5 min/​run) via parallelization and caching.
    • 06/2022 – 02/2024Remote
  • •Frontend across several early-stage startup engagements.
    • Awards
    HackYeah 2025 — 1st place (15,000 PLN), Crowd-sourced multimodal transit search for rural Poland; ML on real-time road conditions, no carrier integration required.
    Google DeepMind × AI Tinkerers Warsaw 2026 — Finalist ($5k GCP), Agentic cooking assistant on Gemini 3.1 Flash; turned MacBook touchpad into kitchen scale and ordered missing ingredients via Wolt from a fridge photo.
    HackYeah 2023 — Finalist, Natural-language → SQL with open-source LLMs (Llama).
    HackYeah 2022 — 2nd place (10,000 PLN), AI-generated quizzes on top of the Polish Institute of National Remembrance archives.
    Projects
    discord-speech-recognition⁠, Open-source · 63★ on GitHub
  • •Extension for discord.js that makes voice bots as easy as text bots.
  • •9,000+ downloads, used in 100+ public OSS projects on GitHub.
  • •Stack: TypeScript, Jest, Google Speech-to-Text API; CI via GitHub Actions.
    • biedronka-client⁠, Open-source · 13★ on GitHub
  • •Reverse-engineered TypeScript client for the Polish Biedronka mobile app.
  • •Used by hobbyists to integrate loyalty data into personal automations.
    • AI Present Finder (B.Eng thesis)⁠, Multi-agent system · TypeScript
  • •6 specialized AI agents orchestrated in an event-driven microservice architecture.
  • •End-to-end agentic gift recommendation: prompt → reasoning → product retrieval → ranking.
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    Skills
    TypeScript

    Daily driver across all engagements; advanced generics & type-level features.

    React / Next.js

    SSR, server components, modern app router; built UIs serving 25k+ MAU.

    Dagster

    Pipelines processing >1M public docs at Legora.

    Docker / GitHub Actions

    Self-hosted infra, multi-stage builds, CI parallelization.

    Python

    Backend services and data tooling at TechTree; ML/LLM integrations.

    Node.js / Express

    Production APIs, auth, rate-limiting; migrated Legora from Next API routes.

    Postgres / Supabase

    Schema design, RLS, query/perf tuning at TechTree and Scape.

    Agentic systems · LLMs

    Gemini, OpenAI, MCP servers, Claude Code workflows.

    Languages
    English — C1
    Polish — Native
    Consent to data processing

    I hereby give consent for my personal data included in the application to be processed for the purposes of the recruitment process in accordance with Art. 6 paragraph 1 letter a of the Regulation of the European Parliament and of the Council (EU) 2016/​679 of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/​46/​EC (General Data Protection Regulation).

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