Russell Tobin
Kotlin Engineer VP level
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Senior Kotlin Engineer – VP Level
Location: London
Working Model: Hybrid – 3 days per week in the office, with flexibility for the candidate to choose which 3 days they work onsite
Contract: 6-month rolling contract, with a further 6-month potential extension
Rate: Up to £900–£950 per day, negotiable, inside IR35 via Umbrella
About the Opportunity
We are working with a leading global banking organisation on a high-profile Front Office technology programme within its Investment Banking / Capital Markets environment.
We are looking for a genuinely senior, VP-level Kotlin Engineer to join a high-calibre engineering team developing and enhancing a business-critical platform used by Front Office teams.
This is a hands-on engineering role requiring deep, recent experience in Kotlin and Event Sourcing, combined with the ability to work directly with business stakeholders.
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Key Requirements
- Recent, strong commercial Kotlin experience – this is not a role for someone who has simply migrated from Java to Kotlin.
- Deep hands-on experience with Event Sourcing
- Strong understanding of Event-Driven Architecture
- Experience with CQRS and modern distributed systems is highly desirable
- Senior/VP-level engineering experience
- Experience working directly with Front Office / business stakeholders
- Experience with TDD, XP practices and pair/mob programming
- Cloud experience, ideally GCP, with technologies such as GKE / Cloud Run
What You'll Be Doing
- Design, build and evolve highly reliable backend services using Kotlin
- Develop systems using Event Sourcing and Event-Driven Architecture
- Work closely with Front Office users and business stakeholders
- Contribute to technical design and architectural decisions
- Develop clean, maintainable and well-tested code
- Work collaboratively through pair/mob programming and TDD
- Support production systems where reliability, correctness and availability are critical
- Help shape the engineering approach and share your technical expertise across the wider team
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This is a top-tier senior engineering requirement. We are specifically looking for candidates with deep and recent Kotlin experience, genuine Event Sourcing expertise, and strong Front Office/business-facing capability.
Candidates whose Kotlin experience is primarily the result of a recent Java-to-Kotlin migration are unlikely to be suitable.
Key Skills
Kotlin | Event Sourcing | Event-Driven Architecture | CQRS | Backend Engineering | TDD | XP | Pair/Mob Programming | GCP | Front Office | Investment Banking
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