Frontend Developer building intuitive and seamless cross - platform sports betting applications at iGaming startup. Focusing on coding, debugging, and enhancing user experience in Lisbon.
About the role
- 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
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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