Senior frontend engineer.
Angular & TypeScript, 20+ years.

B2B contracts: founding-engineer work on new products, senior reinforcement for teams already shipping, and 2D/3D visualization with the performance work it demands.

Remote from Poland (CET), delivered across finance, pharma, and healthcare in the USA, Canada, Switzerland, Germany, Denmark, and Ireland — including validated systems.

TRACK RECORD

Goldman Sachsbanking · PL

Roche ×4pharma · CH·PL

BMObanking · CA

Avaloqbanking · CH

HaiiloB2B SaaS · DE

Let's Get Checkedhealth · IE

DataXuadtech · US

Founding engineer

An engineer who owns the product, not just the ticket. I speak business and product as fluently as code, so v1 ships fast without mortgaging v2.

  • A technical foundation instead of instant tech debt.
  • Time to market treated as a requirement, with scope cut down to what actually proves the idea.
  • Startups taught me speed, banks and pharma taught me what survives an audit. I take both.
  • The whole surface: UX design, frontend architecture, enough Node and CI/CD to ship end to end.
  • No specs, no tech lead, no design system: exactly the kind of challenge I enjoy and I'm great at.

Reinforcement

Drop me into a running project and I am productive from week one. I read an unfamiliar codebase fast, adopt your conventions instead of relitigating them, no hand-holding.

  • At home in regulated, long-lived codebases: finance, pharma, healthcare.
  • UX judgment included, so I can design the screen and not only build it.
  • Enough backend, dev-ops and PM / BA / SM to cover the gaps between roles.
  • Engagements usually run 3–12+ months.

2D / 3D visualization expert

Your chart stopped rendering somewhere past the hundred-thousandth point, or the roadmap says 3D and nobody on the team has time to learn it. That is the work I take.

  • Canvas 2D/3D, WebGL, WebGPU and Three.js, grounded in strong UX/UI expertise.
  • Data visualization for large and real-time datasets: custom charts and visualizations.
  • Performance benchmarking and profiling: frame budgets, memory, paint and Core Web Vitals.
  • Extreme UI optimization through targeted, creative and advanced performance techniques.

Live demos

proof — not adjectives

$ git log --oneline --author="Paweł"

a1c4f2e Cross-framework pub-sub bus: Angular, Backbone, Ember + native JS on one page // DataXu

b2d80a1 Refactored critical systems, zero production disruption // Roche

c3e19bf Configurable questionnaire system: branching + decision trees // BMO

d4f7c02 Headless widget library in 2013, before the pattern had a name // Self

e5a9d13 HTML port of the Civ VI game map, high-performance rendering in Angular // Self

f6b2e40 Shared library adopted team-wide, replaced duplicate logic // Avaloq

→ nicknamed "FedEx" — features delivered on time, every time.

STACK

  • TypeScript
  • Angular
  • RxJS
  • NgRx
  • Signals
  • NGXS
  • Node.js
  • Vue
  • Vitest
  • Jest
  • Playwright
  • Storybook
  • Canvas 2D
  • Canvas 3D
  • WebGL 2
  • WebGPU
  • Three.js
  • Web Workers
  • WebSockets
  • Profiling
  • Core Web Vitals
  • API design
  • Nx
  • Docker
  • Claude Code
B2B·100% remote (CET)·EU invoicing·
long term preferred·rate on request