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Full Stack Software Engineer - (TypeScript and Python)

Full Stack Software Engineer - (TypeScript and Python)

Hybrid

London, United kingdom

Mid level

Full Time

29-12-2025

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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 Fullstack Engineer – Scaling FinTech Platform

We’ve partnered with a fast-growing FinTech organisation on a mission to empower ambitious businesses across the UK. Since launching, they’ve provided billions in funding, supported job creation nationwide, and helped fuel economic growth, all while delivering innovative solutions for their customers.

The Role

5+ years’ experience designing and engineering large-scale systems
Measure success in terms of business impact, not lines of code
Embrace DevOps culture: You build it, you run it
Collaborate cross-functionally and earn trust across the organisation
Mentor and grow colleagues through knowledge sharing
Prefer simple, effective solutions over unnecessary complexity
Work well with a diverse team of experts
Balance strong opinions with openness to team consensus
Think broadly about the wider business impact of technical decisions
Leverage Generative AI tools to enhance productivity and decision-making

Tech Stack

They’re pragmatic about tools and use what works best. Current technologies include:

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

Collaborate – Cross-functional, mission-driven squads with shared ownership
Focus on outcomes – Solve user problems that drive measurable business results
Continuous improvement – Learn fast, share lessons, and encourage innovation
User empathy – Regularly engage with users to inform product direction
Continuous deployment – Automate releases for speed, security, and reliability
Test-first mindset – TDD approach focused on solving real user problems
End-to-end ownership – Engineers own delivery from idea to production
Cloud native – Build resilient, secure services using automation and SaaS tools

Engineering Culture

They believe the best teams are diverse, inclusive, and collaborative. You can expect:

A wide range of voices and perspectives heard and valued
A culture of safety, openness, and humour
Zero egos — everyone learns from each other
Teams empowered to innovate and take ownership

Benefits

True hybrid working — no fixed days in the office
25 days holiday + bank holidays and enhanced family leave
Competitive salary & equity package
High-spec laptop (macOS or Ubuntu)
Team socials and informal office breakfasts/dinners
Cycle-to-work and EV scheme

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