Senior Frontend Engineer

bunch

Senior Frontend Engineer building robust applications for bunch's investment platform. Leading frontend architecture and collaborating with design teams to ensure high quality.

Posted 5/12/2026full-timeRemote • 🇵🇹 PortugalSeniorWebsite

Tech Stack

Tools & technologies

TypeScript

About the role

Key responsibilities & impact

Build robust, scalable, and well-tested frontend applications using modern frontend frameworks and our in-house Design System
Collaborate with PMs, Designers, and QAs in a cross-functional team to ship high-quality features quickly
Contribute to and evolve our frontend architecture, tooling, and design system
Ensure a great developer experience and continuously improve performance and reliability
Write meaningful unit and E2E tests
Actively shape product solutions by participating in discovery, feedback rounds, and design critiques
If you're applying as a Senior:
Take ownership of the frontend domain, 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

What you’ll need

3+ years (Mid) or 5+ years (Senior) of experience building frontend applications
Are fluent in TypeScript and comfortable with modern frontend frameworks
Have experience working with Design Systems
for Senior: also experience building or maintaining custom ones
Are familiar with unit and E2E testing (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
Have experience in a startup or scaleup environment
Nice to have: Previous exposure to fintech or highly regulated domains
Experience with zod (or any other form validation tools)
Worked with data visualisations (e.g., tables, charts)

Benefits

Comp & perks

Flexible hours
Remote work
28 days of vacation per year
A competitive compensation package
A great tech and work setup with everything you need

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptfrontend frameworksunit testingE2E testingUI/UX principlesdata visualizationsform validation toolsDesign Systemsperformance optimizationarchitecture design

Soft Skills

collaborationmentorshipownershipproblem-solvingcommunicationadaptabilityinfluencefeedbackcreativityteam support