Principal Kotlin Engineer

Senior/Principal Software Engineer - Kotlin

£90,000-£150,000 basic salary

Project at Tier One Investment Bank

London - Hybrid working - flexible

Are you a Senior/Principal Engineer with commercial Kotlin experience who is ready to make an impact in one of the world's leading financial institutions in the new year? We're searching for a Senior/Principal Kotlin focused Engineer to join a critical project at a Tier 1 Investment Bank, working on mission-critical systems that power global investment strategies. This is a greenfield project where you'll have a lot of autonomy and influence. Working for a developer-led software consultancy passionate about software craftsmanship and developer experience enables you to focus on the tech and not get bogged down in the politics.

What you'll do:

1. Develop and maintain highly reliable backend systems using Kotlin.
2. Collaborate closely with cross-functional engineering teams, delivering software that's fast, scalable, and meets the demands of a global investment business.
3. Contribute to the design of robust solutions, integrating with real-time trading and risk management systems.
4. Ensure code quality through best practices, TDD, and strong testing methodologies.

What we're looking for:

1. Expertise in Kotlin and experience building high-performance backend systems.
2. A solid background in distributed systems.
3. Experience with cloud technologies.
4. Familiarity with microservices architecture, CI/CD pipelines, and Agile methodologies.
5. A passion for writing clean, maintainable, and well-tested code.
6. Ability to work in a fast-paced, high-stakes environment, solving complex problems that directly impact the business.

What we offer:

1. Exposure to a modern technology stack with Kotlin as the primary language.
2. A passionate team who care about their craft and software engineering best practices.
3. A flexible environment.
4. Solid salary, L&D budgets including global conferences, 10% pension, life insurance, health insurance, paid time off for family.

Thinking about a new role next year? Apply now and get ahead of the curve.