Senior Fullstack Engineer (Backend-Leaning | TypeScript/NodeJS/AWS)

London (Paddington) | 3 days onsite

£70k–£85k

We’re working with a fast-growing, VC-backed data platform helping global brands understand and monetise user behavior in next-gen digital environments.

The role

Backend-leaning fullstack (80/20 split)

Build and improve core data systems + APIs

Work heavily with data pipelines (S3, transformations, high-volume data)

Own features end-to-end (API/DB/internal tools)

Help level up a growing engineering team

Tech

TypeScript, Node.js, React

AWS (incl. S3), Kubernetes

MySQL, MongoDB, Elasticsearch

What they want

Strong TypeScript engineer with real backend depth

Startup / small team experience (must be comfortable with pace + tradeoffs)

Solid database design + API experience

Proactive — someone who improves systems, not just works within them

Comfortable mentoring and reviewing others’ code

Why join

High ownership — real influence on architecture + direction

Early-stage engineering team, big scope to shape things

Interesting data problems (not basic CRUD)

Fast-moving environment, no big-company bureaucracy

Process:

3 stages, fast turnaround (all can be done in one day, in person)