Senior Kotlin/Scala Engineer in London

Senior Kotlin/Scala Engineer in London

London Freelance 60000 - 80000 £ / year (est.) Home office (partial)
Advanced Resource Managers Ltd

At a Glance

  • Tasks: Design and build distributed backend systems using Scala or Kotlin.
  • Company: Join a global tier 1 bank with a high-performing engineering team.
  • Benefits: Competitive pay up to £600 per day and hybrid work model.
  • Other info: Opportunity to influence system design and grow your career.
  • Why this job: Make a real impact on critical systems in a dynamic environment.
  • Qualifications: Strong experience in backend engineering with Scala or Kotlin.

The predicted salary is between 60000 - 80000 £ per year.

We are supporting a global tier 1 bank on the hire of a Scala / Kotlin Engineer to join a high‑performing engineering team delivering business‑critical systems. This is a hands‑on engineering role focused on building and evolving distributed backend systems in a high‑performance environment.

Project Details

You will be working on a distributed calculation engine used for complex index‑level computations based on quantitative models.

  • Distributed, manager‑worker architecture.
  • Built using Scala and Python components.

High requirements around:

  • Performance
  • Accuracy
  • Security

This is a feature development role, not BAU/support, with significant scope to influence system design and evolution.

Role Responsibilities

  • Design, build, and evolve core distributed services.
  • Deliver high‑quality code with strong test coverage and reliability.
  • Contribute to secure system design and implementation.
  • Work closely with engineers and stakeholders to define solutions.
  • Participate in code reviews and technical design discussions.
  • Own delivery of complex features end‑to‑end.

Core Requirements

  • Strong experience as a senior backend engineer.
  • Proven hands‑on experience with either Scala or Kotlin.
  • Strong understanding of type systems, concurrency, functional and/or object‑oriented programming.
  • Experience building distributed backend systems.
  • Strong engineering practices – clean code, unit and integration testing, CI/CD.

Tech Environment

  • Scala / Kotlin, Python (supporting components), distributed systems architecture, CI/CD and modern engineering practices.

Profile

Strong hands‑on engineer who is comfortable working in small, high‑performing teams, able to own delivery independently, and who has experience in financial services or other complex domains is beneficial.

Senior Kotlin/Scala Engineer in London employer: Advanced Resource Managers Ltd

As a Senior Kotlin/Scala Engineer at our global tier 1 bank, you will thrive in a dynamic and collaborative work environment that values innovation and excellence. With a strong focus on employee growth, we offer opportunities for professional development and the chance to work on cutting-edge projects that have a significant impact on the financial sector. Our hybrid working model allows for flexibility while fostering a culture of teamwork and high performance, making us an exceptional employer for those seeking meaningful and rewarding careers.

Advanced Resource Managers Ltd

Contact Details:

Advanced Resource Managers Ltd Recruitment Team

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We think you need these skills to ace Senior Kotlin/Scala Engineer in London

Scala
Kotlin
Python
Distributed Systems Architecture
Concurrency
Functional Programming
Object-Oriented Programming

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