Senior Software Engineer – Frontend

This is a fully remote position, open to applicants in Poland.

📋 Description

• Design, develop, and sustain high-quality features aimed at consumers across web (React) and mobile (React Native) platforms.

• Take ownership of the entire product lifecycle, from discovery and technical design to release, monitoring, experimentation, and iteration.

• Collaborate with Product, Design, Data, and Mobile engineers to create seamless experiences.

• Lead A/B testing and experimentation initiatives.

⛳️ Requirements

• Over 6 years of professional experience in software development with a significant emphasis on consumer-facing web and/or mobile products.

• Extensive knowledge of TypeScript and the React ecosystem.

• Practical experience with React Native and cross-platform mobile development.

• Familiarity with Next.js and knowledge of App Router, React Server Components.

• Direct experience with A/B testing, feature flags, and experimentation frameworks.

• Strong testing culture utilizing Jest, React Testing Library, Playwright or Cypress.

• Understanding of modern build tools (Vite, Webpack, CI/CD pipelines).

• Background in fintech, crypto, payments, or other high-trust consumer products.

🏝️ Benefits

• Discover our culture page to learn about what motivates us and our working methods.

• Engage in A/B testing and experimentation strategies including forming hypotheses, designing experiments, analyzing results, and iterating based on insights.

• Provide mentorship to engineers of varying seniority levels and foster a culture of craftsmanship and ongoing improvement.