Senior Fullstack Engineer (Backend)

Senior Fullstack Engineer (Backend)

Hybrid/Remote - has to be based in London

Role Overview

We’re looking for a Senior Full Stack (Backend) Engineer who thrives on building clean,

scalable systems quickly. You’ll play a key role in shaping our backend architecture—from

API design and data pipelines to job processing and observability.

What You’ll Do

Design and build robust backend systems

Architect scalable infrastructure for job processing, analytics, and event tracking

Build internal tooling for rate limiting, quotas, and authentication

Design, develop, and maintain APIs and backend services

Collaborate closely with product, design, and CX to deliver exceptional features

Optimize for performance, security, and scalability

Write clean, maintainable, efficient code

Stay current with emerging technologies and apply them thoughtfully

Qualifications

Languages: Python, TypeScript

Infrastructure: AWS (ECS, SQS, Parameter Store), Docker, GitHub Actions

Data: Postgres, Redis

Monitoring: LogFire, Sentry

CI/CD: GitHub Actions

About You

4+ years of experience building production-grade backend systems

Skilled at writing clear, maintainable code with solid abstractions

Confident designing databases, APIs, and infrastructure

Experience with high-throughput systems or background job queues

Strong sense of end-to-end ownership—code, infra, tests, monitoring

are deeply about developer experience for your teammates

Nice-to-Haves

Experience with rate limiting, authentication systems, or quota tracking

Familiarity with analytics & attribution engineering (e.g., dbt, Snowflake, event

tracking)

Experience building WYSIWYG editors

Knowledge of PDF generation, render jobs, and image editing.

Experience with SSR frameworks (Next.js, Remix)