Senior Frontend Engineer for a platform team in a fintech startup. Building scalable applications with React and TypeScript to transform private markets.
Responsibilities
Build robust, scalable, and well-tested frontend applications using modern frontend frameworks and our in-house Design System and component library
Collaborate with PMs, Designers, and QAs in the Platform Team to ship high-quality features quickly
Lead technical decisions in our ongoing migration from Svelte to modern React
Collaborate with backend engineers on scalable API contract and type-safe validation generation
Improve DX through tooling, testing infrastructure, and documentation
Ensure a great developer experience and continuously improve performance and reliability
Write meaningful tests across the pyramid
Actively shape product solutions by participating in discovery, feedback rounds, and design critiques
Take ownership of the frontend domain within the Platform Team and influence platform-wide decisions
Drive alignment between design and development, and collaborate on challenging UX cases
Own and evolve our in-house Design System alongside the design team
Guide the team in architecture and performance decisions
Mentor and support other engineers
Requirements
5+ years of experience building frontend applications with demonstrated platform engineering expertise
Fluent in TypeScript
Deep expertise in React (we use v19)
Experience building or maintaining custom Design Systems and component libraries
Familiar with the testing pyramid and testing tools (Vitest, Playwright, or equivalents)
Understand UI/UX principles and care about building elegant, accessible, and usable interfaces
Can operate in ambiguity and turn loosely defined ideas into working software
Experience in a startup or scaleup environment
Benefits
Flexible hours, remote-friendly culture, and 28 vacation days per year
Competitive compensation package including equity
A modern tech and work setup with all the tools you need
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