Senior Software Engineer in London

Today, banks spend $100B+ per year on outsourcing business processes to handle exceptions. You’ve likely felt the pain of feeling the system grind to a halt if you’re anything other than the perfect customer. The result is customers spending weeks engaging with manual processes, while banks constrain their ability to grow. Outsourcing is a compromise that is increasingly expensive, slow, and fragile.

At Tuza, we’re building AI-native automation for financial services. Our platform and agents create end-to-end automations that reduce manual processes by up to 90% in globally significant banks. We’ve raised $7m from the backers behind Klarna, Spotify and Databricks to continue growing.

Our Engineering team

Our engineering team is obsessed with our users, endlessly curious about new ways to create value, and deeply technical.

• We build solid foundations
  • Architect and build the systems and workflows that form the backbone of our core banking platform, keeping it scalable, secure, and auditable by design.
  • Spike proof-of-concepts to explore new technologies, design patterns, and product opportunities.
  • Balance speed with longevity by knowing when to move fast and when to invest in scalable, maintainable and extensible foundations.
• We collaborate and deliver
  • Work closely with product, design, and data teams to turn complex, regulated banking processes into elegant, automated workflows.
  • Own features end-to-end, from concept to production, with a done-is-deployed attitude.
• We keep the bar high
  • Drive technical excellence by setting the standard for speed, quality, and craft through code, PR reviews, and knowledge sharing.
  • Continuously improve our engineering approach by actively engaging in retrospectives and contributing ideas to elevate the team.

The Stack

Our stack includes React, TypeScript, GraphQL, REST, Express, Relay, Prisma, Redis, Postgres, AWS and Styled Components. We like to experiment with different technologies and libraries, particularly when building proof of concepts. Make your case, and we’ll consider expanding our tech stack.

You’re a great fit if

• You have at least 4+ years of experience in software engineering, and back yourself as an individual contributor.
• You’re opinionated on software engineering best practices, balanced by a bias for shipping.
• You bring advanced expertise in TypeScript and feel comfortable working across the full-stack.
• You have a solid grasp of system design and can build scalable, maintainable architectures.
• You hold a high bar for craftsmanship, and care deeply about what you build and how users experience it.
• You’re excited to decide for yourself what the most impactful things to work on are.
• You may have worked in a VC-backed startup, so you’re comfortable with ambiguity, autonomy, and speed.
• You’re curious about using AI to enhance your productivity and shape how teams build software.
• You’ve worked with agentic frameworks (LangChain, LlamaIndex) in the past.

You’re a bad fit if

• You lack genuine curiosity about the user, the product, the technology, or the problem we’re solving - we want people who are obsessed.
• You struggle with ambiguity and prefer rigid structure or constant direction.
• You’re hesitant to take ownership or lead projects end-to-end.
• You’re unopinionated about what you work on or how it should be built.
• You’re not interested in the commercial, product, or broader business context behind the engineering.

What’s in it for you?

• A competitive salary (up to £120k) with generous equity.
• A hybrid working approach. We’re based out of our Shoreditch office.
• Flexible working hours. Most people arrive between 8 and 10, and leave between 6 and 7.
• Unlimited holiday with a minimum of 24 days.
• Smart and kind teammates - leave your ego at the door.
• The occasional soundbath…