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From the employer's careers site First seen 27 Oct 2026 · Still live on 31 Oct 2026

Senior Full Stack Engineer

Thought Machine London Hybrid senior full-time

The employer hasn't listed a salary.

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Description

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology.

As a Senior Full Stack Engineer at Thought Machine, you will work across the stack to solve complex engineering problems. You will be responsible for designing and implementing end-to-end features, ensuring security, performance, scale, and user experience.

Responsibilities

  • Design and implement end-to-end features across the stack, including web applications and backend services.
  • Ensure your solutions are delivered with security, performance, scale, and user experience in mind.
  • Write automated unit, integration, acceptance tests, etc.
  • Interface with other engineering teams to ensure that features are added in a structured and coherent way.
  • Managing and debugging your features from testing environments to production.
  • Translating customer requirements into a clear plan that can be delivered via tasks.
  • Collaborating as part of a cross-functional team of backend, front-end, and full-stack engineers.

Essential

  • Experience with React and TypeScript.
  • Proficiency in writing modern web applications.
  • Experience writing REST APIs and services.
  • A keen eye for detail and a passion for writing clean, readable, properly tested code.
  • Experience in integrating automated tests into the development lifecycle.
  • Interest in client-facing projects, including scoping requirements and defining deliverables.
  • A proactive approach to learning and development.

Desirable

  • Knowledge of banking/finance.
  • Experience with AWS or other cloud providers.
  • Proficiency in Golang or Python.
  • An understanding of both UX and UI principles.
  • Experience using Figma and UI frameworks.
  • Visual design skills.
  • Familiar with databases (SQL or NoSQL).
  • Experience with client/server software architectures & networking, or microservice architectures.
  • Experience using Kubernetes.

Benefits

  • Highly competitive salary
  • Pension plan (match up to 5%)
  • Life insurance - three times annual salary
  • Competitive maternity (six months fully paid) and paternity leave (four weeks fully paid)
  • Shared parental leave (matched to our maternity leave for the same point in time)
  • 25 days holiday and bank holidays
  • Flexible working hours
  • Cycle-to-work scheme
  • Electric car scheme
  • Season ticket loan
  • Access to outstanding learning materials and courses
  • Sports and hobby clubs, subsidised by Thought Machine
  • All the latest tech you need
  • Start the day properly with fresh fruit and cereals
  • Huge range of healthy (and not-so-healthy) snacks, smoothies and drinks
  • A talented and experienced team as your colleagues
  • An environment where we encourage learning and progress
  • Two charity days a year
  • Weekly food pop-up

Skills

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://jobs.ashbyhq.com/thought-machine/919c4afb-019e-40d6-8ae0-7434c8313fe4

Apply on Thought Machine