Staff Software Engineer, Backend-First (TypeScript)

Plasma; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Above-market salary

London HQ with gym access

Visa sponsorship & relocation

Premium health insurance for you and 


Monthly wellness budget

All the tools you need

Real ownership from day one

Job summary

Plasma is building the primary account for global money. We are seeking a staff+ engineer, backend-leaning but full-stack, to own the team's hardest technical problems in a TypeScript stack (Node.js on the backend, React + React Native on the frontend).

You will set technical direction and own critical systems end to end. Join a fast-moving team in London, with an above-market salary, London HQ, visa sponsorship, and a comprehensive benefits package including premium health insurance and a

Qualifications

• Staff-level engineer with end-to-end ownership of production systems.

Responsibilities

• Own the hardest technical problems inside your team end to end.
• Set technical direction for core systems and data models.
• Design for reliability and graceful failure recovery of money-moving systems.
• Mentor engineers and drive technical clarity on complex parts of the system.

Skills

TypeScript

Node.js

Full-stack

System design

Reliability

Tools

React

React Native

Job description

Plasma is building the primary account for global money. We are seeking a staff+ engineer, backend-leaning but full-stack, to own the team's hardest technical problems in a TypeScript stack (Node.js on the backend, React + React Native on the frontend).

You will set technical direction and own critical systems end to end. Join a fast-moving team in London, with an above-market salary, London HQ, visa sponsorship, and a comprehensive benefits package including premium health insurance and a