> Markdown version of [/jobs/ext/3117149-software-engineer-frontend](https://www.wearedevelopers.com/jobs/ext/3117149-software-engineer-frontend). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (Frontend) - **Company:** Lorum - **Location:** London, UK - **Salary:** £75,666.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), Code Review, Continuous Integration, Software Debugging, TypeScript, ReactJS, Cypress (Programming Language), Backend, Material UI, Playwright, Production Code, Front End Software Development, JestJS - **Published:** September 28, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5900644570 ## About the Role * Professional experience shipping production frontend code in TypeScript * We don't require a specific framework strong, idiomatic TypeScript is what matters most. If you write clean TypeScript, we're confident you can work with whatever framework we use * Able to work hybrid, 3 days/week in the London office * Experience with React, our main framework (preferred rather than essential) * Experience with design systems or component libraries * Experience with testing frameworks (we use Cypress and Vitest; Jest or Playwright experience is just as relevant) * Familiarity with CI/CD and modern frontend build tooling * Some full-stack or backend exposure * Previous experience in a fintech company * TypeScript (we don't write plain JavaScript) * React * Testing: Cypress and Vitest * CI/CD * High agency: autonomous and comfortable owning a problem end-to-end, spotting what needs doing next rather than waiting to be handed tickets * Collaborative with design and product clear communicator, gives and takes feedback well * Comfortable with the pace and ambiguity of an early-stage clearing/treasury infrastructure business * Product-oriented cares about solving the real customer problem, not just reaching for the fanciest tool * Takes responsibility for outcomes: when blocked, you find a way to move things forward rather than pointing elsewhere * Open to using AI tools as part of your everyday engineering workflow ## Description We're looking for a Frontend Engineer to join our web team in London. We're building new features and teams around Treasury Services and Clearing & Custody, and this role will build the UIs for those products alongside our existing Ops Portal the internal tool that lets the business scale (fee setup and more). This is a backfill on an existing team, so you'll be able to move quickly and have real impact from day one. * Design, build, and ship high-quality frontend features end-to-end * Collaborate with product and design to turn requirements into polished user experiences * Write clean, well-tested, maintainable code and participate in code review * Help improve frontend architecture, tooling, and performance * Debug and resolve production issues affecting the frontend * Be shipping production code within your first couple of months, delivering alongside and with guidance from the team * By month 3, be fully up to speed with our codebase and domain, and actively contributing to our growing frontend/UI community * Take ownership of features and areas of the frontend as you grow with a small frontend team, ownership comes early * Contribute at least one frontend architecture/tooling improvement * Collaborate effectively with design and product cross-functionally