Senior Engineer

CommitWarszawa, Województwo mazowieckie, Polska

6 days ago

Job description

The company is a high-growth fintech startup in the financial markets space. We're looking for a senior-level React engineer to own critical frontend experiences, collaborate closely with product / design, and help us scale BridgeWise to millions of users.

What you'll do

Design, build, and ship high-performance, responsive web UIs
Partner with product managers, designers, and analysts to translate user needs into elegant product experiences
Plan and execute short- and long-term roadmaps balancing user impact, technical quality, and delivery speed
Raise the bar through code reviews, mentoring, and improvements to our tooling and processes

Requirements :

(our web app is built with )

Monorepos using Yarn Workspaces or Nx

Tailwind CSS (our primary design system)

Technical requirements

5+ years of professional software development experience

5+ years with React and its ecosystem (e.g., Redux, React Router)

Strong proficiency in JavaScript (ES6 / ES7) and TypeScript

Deep knowledge of HTML / CSS, responsive design, and accessibility (a11y) best practices

Hands-on with modern build tooling and package managers (Vite, esbuild, Yarn)

Experience with server-side rendering and , plus working knowledge of

Solid testing discipline with Jest and React Testing Library

Comfortable with Git workflows and agile methodologies

3+ years working with major cloud providers (AWS / GCP / Azure)

Nice to have

Experience with monorepo release management and internal package versioning

Familiarity with performance profiling, Web Vitals, and SEO in

E2E testing (Playwright / Cypress) and CI / CD pipelines

Experience in fintech or data-heavy, real-time UIs

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Senior Engineer • Warszawa, Województwo mazowieckie, Polska