Senior Kotlin Engineer

Lendable; Greater London; On-site; GBP 65,000 - 85,000; Full time

Job summary

Deepstreamtech is looking for a Senior Kotlin Engineer in Greater London. In this role, you'll help shape engineering solutions, collaborate across teams, and tackle complex challenges in building next-gen financial products. You should have strong Kotlin and cloud experience and be ready to engage in collaborative design discussions as part of a diverse tech team building innovative financial solutions.

Qualifications

• Strong commercial Kotlin experience.
• Ability to write simple, clean code.
• Experience with relational databases and NoSQL understanding.
• Understanding of software architectures.

Responsibilities

• Join a newly forming pod as a Senior Kotlin engineer.
• Contribute to design discussions and deliver elegant solutions.
• Build and integrate new API's for product expansions.
• Support development of new internal tools.

Skills

Kotlin

AWS

GraphQL

Postgres

RabbitMQ

Docker

Kubernetes

React

React Native

TypeScript

MobX

Redux

Gradle

GitHub Actions

JUnit Jupiter

Kotest

TestContainers

Job description

Requirements

• We're looking for an engineer with a depth of knowledge and recent hands‑on Kotlin experience that enables them to not only deliver elegant, idiomatic solutions in Kotlin but also to contribute new knowledge and experience to our frequent collaborative design forums with stakeholders from every area of the business
• Backend: Kotlin 1.7.20, AWS, GraphQL (it would be nice if you were familiar with this but it’s not a deal breaker), Postgres, RabbitMQ, Docker, Kubernetes
• Frontend: React & React Native, TypeScript, MobX, Redux, Stylus and SASS
• We build our Kotlin projects using Gradle and GitHub Actions, deploying to production as soon as we finish a feature
• We use JUnit Jupiter, Kotest and TestContainers for automated testing
• Strong commercial Kotlin experience
• An ability to write simple, clean code
• Experience and understanding of databases; relational databases are a must, NoSql would be nice too
• Be able to quickly understand complex, financial business domains
• Understand different software architectures rapidly
• Understands abstraction and interpolation
• Able to write comprehensive, automated tests at all levels of the pyramid
• Understanding of the Kanban agile methodology; not a deal breaker if you don’t
• Someone who can get along with others and build relationships
• Someone who wants to continually learn, improve and collaborate
• Someone who can solve problems on their own but also knows when to go to their peers for help
• Someone who is a rational thinker and is aware of the ‘why’ behind the way they do things
• Someone who is a pragmatist who can sensibly weigh the tradeoffs between code quality and delivery

What the job involves

• As we continue to build upon the diversity of our team we are thrilled to have the opportunity to bring on board a Senior Kotlin engineer to a newly forming pod
• This is an opportunity to bring new experience, perspective and capabilities to our design discussions, helping shape our approach to delivering elegant solutions to complex engineering challenges as we continue to grow
• This is the team that put the Tech in FinTech, our current tech team is around 80 strong and have helped transform finance by building a next-generation lending platform, a next-gen credit card, and auto-finance product, and they’re at it again with brand new product launches this year
• There’s a lot to do, from building and integrating new API’s to help build out our new collections function to creating new internal tools and supporting our expansion of new products and supporting services in the US