Senior Kotlin JVM Engineer

Salary: £100,000 - 100,000 per year

Requirements:

• Strong commercial Kotlin or JVM-based engineering experience, with willingness to work with Kotlin
• Ability to write simple, clean code
• Experience and understanding of databases; relational databases are a must, and NoSQL would be a plus
• Ability to quickly understand complex financial business domains
• Ability to understand different software architectures rapidly
• Understanding of abstraction and interpolation
• Ability to write comprehensive automated tests at all levels of the testing pyramid
• Understanding of the Kanban agile methodology is a plus
• We are looking for someone who gets along well with others and builds strong relationships
• We are looking for someone who wants to continually learn, improve, and collaborate
• We are looking for someone who can solve problems independently but also knows when to ask peers for help
• We are looking for someone who is a rational thinker and understands the why behind their decisions
• We are looking for someone who is a pragmatist and can weigh the trade-offs between code quality and delivery

Responsibilities:

• Bring new experience, perspective, and capabilities to our design discussions
• Help shape our approach to delivering elegant solutions to complex engineering challenges
• Build and integrate new APIs
• Tune our existing services as they scale
• Support our expansion of new products and supporting services in the US
• Contribute to collaborative design forums with stakeholders from across the business
• Deliver elegant, idiomatic solutions in Kotlin or Java
• Help improve our software engineering capabilities as a team
• Take ownership across a broad remit and make decisions that drive impact

Technologies:

• Support
• JVM
• Java
• Kanban
• Kotlin
• NoSQL
• AI
• API
• AWS
• Backend
• Cloud
• DevOps
• Docker
• Frontend
• GitHub
• Gradle
• GraphQL
• JUnit
• Kubernetes
• Machine Learning
• RabbitMQ
• React
• React Native
• Redux
• SASS
• TypeScript

More:

We are Lendable, a fast-growing fintech company on a mission to build the worlds best technology to help people get credit and save money. We are one of the UKs newest unicorns, with a team of just over 700 people, and we have been profitable since 2017. Backed by investors including Balderton Capital and Goldman Sachs, we have strong customer reviews and have rebuilt major consumer finance products from scratch, including loans, credit cards, and car finance. Our engineering team is around 80 strong and continues to build a next-generation lending platform, credit card, auto-finance product, and superapp, with new product launches this year. We offer flexible working, social events, health coverage, retirement and savings support, referral bonuses, office meals and snacks at select locations, and sustainable commuting benefits in select locations. Our roles may be hybrid or fully remote depending on the position and location.

last updated 35 week of 2026