Responsibilities
- You will build, run and maintain authentication and authorisation systems
- You will take a product scope, design the technical solution and deliver it
- You will work closely with Product and with other engineering teams who use your systems
- You love to build new things - much of the team's work is greenfield - but also don’t shy away from digging into older codebases
- You love to work in a complex problem domain that is implemented with simple software systems.
- You are a collaborator - you encourage pairing and believe that working together is smarter than working in a silo
- You are a teacher - generous with your time and expertise to teach stakeholders and our fellow engineers how to answer their own questions
Requirements
- Experienced in Python
- A senior who is able to lead and influence architectural decisions whilst mentoring and up-skilling more junior engineers
- A strong fundamental programmer with experience in distributed systems
- Familiar with developing with AWS, Kubernetes, Kafka and serverless
- Knowledgeable of Agile, TDD and CI/CD
- Excellent communication skills, both written and spoken
- Engages actively and collaboratively with team members and stakeholders
Nice to Have
- Able to architect custom AI solutions and smart automated systems that are safe, maintainable, and aligned with our long-term mission
- Act as a technical bridge and mentor, training “builders" across the company to move from basic AI usage to sophisticated system creation.
Benefits
- Flexibility: We provide a benefit allowance you can tailor to your own life and family.
- Health: This includes private medical and dental, health assessments, and access to a digital GP.
- Wealth: We offer life assurance, share schemes, and financial coaching.
- Development: You get a dedicated annual learning allowance to help you level up.
- Lifestyle: We have electric car and cycle-to-work schemes, plus season ticket loans.
- Award-winning parental leave policies.
- Support through big life moments, from fertility treatments to new additions to the family.
Work Arrangement
Hybrid — London
The role
We are looking for a Senior Engineer in our Customer Auth team. The Customer Auth team builds the foundational security and identity platforms that power Funding Circle's transition to a modern, distributed architecture. We own the critical systems responsible for securing customer access and managing complex business relationships for all product teams.
What we’re looking for
We value deep expertise, but a growth mindset and good energy are what really make our team click. We’re a group that chooses to lift each other up and think smart every day.
Why join us?
We back you to build an incredible career and by joining us, you'll be part of one of The Sunday Times Best Companies to Work For 2026!
Additional Information
- 2 days in the office
- Barista coffee and subsidised Just Eat lunches on us!
