Front-End Engineer (React)

Quanloop is building and running a security‑sensitive investment platform. We are hiring multiple Front-End Engineers (React) in Budapest to build and evolve the web UI and ship user-facing features with predictable behaviour and clean integration.Your home office is Budapest and the role is office‑first.This is a React-focused engineering role. You will work closely with Back-End Engineers (Java) and UI Developers (HTML/CSS) to deliver complete features without unnecessary handoffs.Role SnapshotWorking model: Office‑first (on‑site).Hiring basis: Local hiring for the Budapest office location.Onboarding: Budapest is the home office.Language: English‑first working language.Reporting line: You report to a Tech Lead; Tech Leads report into Head of Engineering and/or the CTO.What You’ll Be Responsible ForBuild and maintain React UI for product features and workflows.Integrate UI with backend APIs and handle edge cases cleanly.Work with UI Developers (HTML/CSS) on implementation details, consistency and accessibility basics.Keep UI code maintainable: clear structure, reviewable changes and predictable behaviour.Partner with Product Owner and QA on scope, acceptance criteria and release readiness.Collaborate with Infrastructure on constraints that affect front-end delivery (performance, operational readiness, and safe change).Contribute to practical documentation and written decisions where it helps teams move.What We’re Looking ForStrong commercial experience building production React applications.Comfortable integrating UI with APIs and handling real-world complexity (not toy examples).Solid HTML/CSS fundamentals (you don’t need to be the HTML/CSS specialist, but you must understand the basics).Comfortable with code review and shared engineering standards.Fintech or regulated/high‑scrutiny environment experience is preferred.Clear written and spoken communication in English.Comfortable working on site with a team.If you read this and thought “this sounds like me” — we want to talk.Apply now and build something that actually matters!