Senior Kotlin Engineer (XP, GCP) - Investment Banking - London
Posted 1 day ago by Totaljobs
£800 Per day
Inside
Hybrid
London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford
Summary: The Senior Kotlin Engineer role focuses on enhancing a cloud-hosted platform for bookbuilding issuances within Investment Banking Capital Markets. The position requires hands-on engineering expertise, particularly in Extreme Programming (XP) practices, and involves collaboration within a high-caliber front office engineering team. The role emphasizes maintaining high standards of code quality, system reliability, and performance while supporting production systems.
Key Responsibilities:
- Support and extend a cloud-hosted platform for bookbuilding issuances.
- Collaborate within a front office engineering team to replace a legacy bookbuilding system.
- Contribute to development, integration, and production support.
- Maintain high standards of code quality, system reliability, and performance.
- Work primarily in mobs, sharing ownership of design and code.
- Build, test, and evolve services with a focus on clarity, simplicity, and maintainability.
- Support the platform in production, using incidents and defects to improve system design and resilience.
Key Skills:
- Strong commercial experience building backend services using Kotlin.
- Experience with event-sourced and event-driven architectures.
- Deep familiarity with XP practices, including mob programming, test-driven development, and continuous refactoring.
- Cloud experience with GCP, including GKE, Cloud Run, Cloud SQL, and Memory store.
- Experience with CI/CD and SDLC in regulated or enterprise environments.
- Comfortable working on production systems requiring high availability and accuracy.
Salary (Rate): £800 daily
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
Senior Kotlin Engineer (XP, GCP) - Investment Banking - London/Hybrid
Daily rate: £600 - £800 (inside IR35)
Duration: 6 months
Start: ASAP
My client is looking for an experienced Senior Kotlin engineer to support and extend a cloud-hosted platform used for bookbuilding issuances within Investment Banking Capital Markets. You will join a high-calibre London-based front office engineering team working on a next-generation issuance platform replacing a legacy bookbuilding system.
This is a hands-on engineering role with a strong emphasis on Extreme Programming (XP) practices, including mob programming, test-driven development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, collaborating closely to maintain high standards of code quality, system reliability, and performance.
Required & Desirable Skills
- Strong commercial experience building backend services using Kotlin
- Experience with event-sourced and event-driven architectures
- Deep familiarity with XP practices, including:
- Mob programming as a primary way of working
- Test-driven development (TDD)
- Continuous refactoring and clean code principles
- Cloud experience with GCP, including:
- GKE and/or Cloud Run
- Cloud SQL and Memory store
- Artifact Registry and Cloud Logging
- Key Management
- Experience with CI/CD and SDLC in regulated or enterprise environments
- Comfortable working on production systems requiring high availability and accuracy
Engineers in this role:
- Work primarily in mobs, sharing ownership of design and code
- 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
*Rates depend on experience and client requirements