Senior Engineer (Servicing)

We’re on a mission to back the UK’s small businesses like no one else 🚀 Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks. At Funding Circle, we have the restless energy of a fintech start-up with the stability of a public company. It’s a unique mix that gives Circlers the autonomy to take ownership and the scale to make an impact that truly counts. We’re a high-performing team that chooses to lift each other up. We challenge, we champion, and we have each other’s backs - because we know that when we stand together, we move faster and build better. The impact is real: Last year alone, the businesses on our platform generated £7.2bn for the UK economy 📈 Come and join a mission that matters! [ Read our Impact Report ] | [ See our Trustpilot ] The role ⚡ 📍 London (Hybrid) | 🤝 2 days in the office | 💰 Competitive Salary + Benefits We are looking for a Senior Engineer to join our Loan Servicing team within our Product Engineering department. Our Servicing team build the systems that keep our loans moving. As a senior engineer, you’ll play a critical role in evolving our loan infrastructure, ensuring accuracy, speed and simplicity. Our team are keen problem solvers, collaborators and innovators. This is a brilliant opportunity to get involved in a team that are core to what our customers experience once they take out a product with Funding Circle. • You love working in a complex problem domain where you can have a real and substantial impact on the business • You have an interest or experience in relational databases, automated testing, microservices and/or event-driven architecture • You are a keen collaborator - you love to pair 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, and can explain complex problems simply • You proactively problem solve, identify and confidently mitigate risks, issues or address weaknesses that arise in your day-to-day • You have a strong sense of initiative, seeking out answers where they may not immediately be clear and driving clarity from ambiguity 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. • Experience working in Ruby or Python • Strong fundamental programming skills • Ability to quickly grasp and understand complex back end systems • It’s beneficial, but not essential if you have an interest in working with complex mathematical problems. • 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. We’re building a place where everyone truly feels they belong. Even if your past experience doesn't align perfectly with every requirement, we'd still love to hear from you. 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 ! As a flexible-first employer, we use a "best of both" approach. We’ll see you in our London office to collaborate – with barista coffee and subsidised Just Eat lunches on us! Our Circler Proposition focuses on five areas: • 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. We also have award-winning parental leave policies. We're here to support you through the big life moments, from fertility treatments to new additions to the family. Ready to join a mission that matters? We’d love to chat!