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# Backend Kotlin Engineer - Banking

- **Company:** Alexander Mann Solutions
- **Location:** London, UK
- **Contract:** Temporary contract
- **Skills:** Clean Code Principles, Agile Methodology, Cloud Computing, Software Quality, Continuous Integration, DevOps, Key Management, Systems Development Life Cycle, TypeScript, Google Cloud, Cloud Platform System, Test-Driven Development (TDD), ReactJS, System Availability, Reliability of Systems, Backend, Kotlin, Event Driven Architecture, Extreme Programming, Terraform, Code Restructuring
- **Published:** November 5, 2026
- **Apply:** https://www.cv-library.co.uk/job/225802576/Backend-Kotlin-Engineer-Banking

## About the Role

* Strong commercial experience building backend services in Kotlin.
 * Experienced with event sourced and event driven architecture.
 * Deep experience with Agile andXP practices, including:
 + Mob programming as a primary way of working
 + Test-driven development (TDD)
 + Continuous refactoring and clean code discipline
 * Cloud experience, ideallyGCP (Google Cloud Platform) including designing, deploying and operating cloud-native solutions using services such as:
 + GKE and / or Cloud Run
 + Cloud SQL, Memorystore
 + Key Management
 + Terraform
 * CI/CD and SDLC experience in a regulated / enterprise environment.
 * Comfortable working in production systems with high availability and correctness requirements.
 * Experience with Typescript and/ or React (desirable).
 * Proven DevOps Engineer experience (desirable).

## Description

The Kotlin Engineer will support and extend a cloud hosted platform, joining a a front office engineering team building a green field application.

This is a hands-on engineering role with strong emphasis on Extreme Programming (XP) practices, including mob programming, test first development and continuous refactoring working closely as a team to maintain a high standard of code quality and system reliability.

What you'll do:

 * Design, develop and maintain scalable backend services using Kotlin, delivering high-quality, resilient solutions in a large enterprise environment.
 * Build and operate cloud-native infrastructure, leveraging modern DevOps practices to ensure reliability, performance and security.
 * Work primarily in mobs, sharing ownership of design and code, following Agile methodologies alongside Test-Driven Development (TDD) and Extreme Programming (XP) practices.
 * Build, test, and evolve services with a strong focus on clarity, simplicity and maintainability.
 * Support the platform in production, using incidents and defects as opportunities to improve system design and resilience.
 * Close interaction with different teams and stakeholders with responsibilities mentoring more junior stakeholders.