Software Engineer (Frontend)

Software Engineer Frontend

This is a hybrid role that requires 3 days/week in our London (Fitzrovia) office

About Lorum

The structural conflict at the centre of correspondent banking is not technological. It is economic. Banks earn revenue from their balance sheets: they lend deposits, capture FX spreads, and hold funds as long as it is rational to do so. Clearing, the act of releasing funds quickly and predictably, competes directly with those economics. An institution designed to lend has a structural incentive to hold deposits; an institution designed to clear has an incentive to release them. When one institution does both, clearing loses. The result is unpredictable settlement, trapped capital, and a correspondent network shrinking by design.

Why Lorum

Lorum was founded on a different premise: clearing as the business, not a byproduct. The model has been operational since 2023 and grew 55x in 2025, with USD clearing now the majority of volumes alongside a growing treasury offering. We have applied for a U.S. national trust bank charter. The people we hire now will build the clearing and treasury infrastructure it unlocks.

The role

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.

Day-to-day responsibilities

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

Success in the first 3 to 12 months

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

Ideal Candidate

Must Haves

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

Preferred

Experience with React, our main framework (preferred rather than essential)

Nice to haves

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

Our tech stack

TypeScript (we don’t write plain JavaScript)

React

Testing: Cypress and Vitest

CI/CD

How we work (attitudes & behaviours)

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

Benefits

Flexible vacation policy

Private Healthcare

Employee stock ownership (ESOP)

Flexible working and autonomy

Pay it forward days - we offer 2 annual pay it forward days where you can take time to volunteer for a charitable cause that is important to you.

Wellness days - we believe you can only work your best when you feel your best, and we know working at Lorum is intense, so we offer 3 wellness days every quarter where you can take time to re-energize

Equal opportunity: Lorum is an equal opportunity employer. We welcome applications from all qualified candidates regardless of race, colour, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other protected characteristic.