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Atarus

Full Stack Engineer

Hybrid

London, United kingdom

£ 120,000 /year

Full Time

28-11-2025

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Skills

Python TypeScript MySQL PostgreSQL GitHub DevOps Docker Test Decision-making Ubuntu react AWS GCP Terraform GitHub Actions

Job Specifications

Senior Full Stack Engineer – FinTech Platform (Python / TypeScript)

We’re partnered with a fast-growing FinTech scaling a high-impact platform that empowers UK businesses. They’ve delivered billions in funding and continue to grow rapidly — and now they’re hiring a Senior Full Stack Engineer to help drive the next stage of their product and platform evolution.

This role offers high ownership, modern engineering culture, and the opportunity to work across the stack while shaping scalable, secure systems used nationwide.

The Role

Design and build large-scale, production-grade systems.
Contribute across backend (Python) and frontend (TypeScript/React).
Work in a DevOps culture — you build it, you run it.
Collaborate cross-functionally and influence architectural decisions.
Mentor engineers and share knowledge across teams.
Choose simple, pragmatic solutions over unnecessary complexity.
Consider the wider product and business impact of your work.
Use modern tooling, including Generative AI, to boost productivity and decision-making.

Tech Stack

Python • PostgreSQL • BigQuery • MySQL • TypeScript • React • styled-components • Jest • React Testing Library • Cypress • pytest • AWS • GCP • ECS Fargate • Docker • Terraform • GitHub Actions

How They Work

Cross-functional squads with shared ownership.
Outcome-focused, solving real user problems with measurable results.
Continuous improvement mindset with regular learning and iteration.
Strong user empathy and data-informed product direction.
Continuous deployment and automated release pipelines.
Test-first engineering with high-quality standards.
End-to-end ownership from idea to production.
Cloud-native systems built for resilience and scalability.

Engineering Culture

Inclusive, diverse teams where every voice is valued.
Supportive, collaborative, low-ego environment.
Engineers empowered to experiment, innovate, and take ownership.
A culture built on openness, trust, and shared learning.

Benefits

True hybrid working — no mandated office days.
25 days holiday + bank holidays + enhanced family leave.
Competitive salary & equity package.
High-spec laptop (macOS or Ubuntu).
Team socials, breakfasts/dinners, and supportive onboarding.
Cycle-to-work and EV schemes.

About the Company

Atarus is a specialist talent partner for businesses looking to scale high-performing engineering teams. With over a decade of experience in building technical teams, our consultants have previously partnered with companies such as Trainline, Sky, ASOS, NatWest, Global Relay, OVO Energy, and many more. We help organisations lay the foundations for sustainable growth by placing proven talent across DevOps & SRE, Software Engineering, QA, Product, Data, and AI. If you're looking to scale your engineering teams with precisio... Know more