Senior Java Kotlin Developer

HCLTech

London, UK

5 days ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Compensation

£30,000.0 - £50,000.0

Working hours

Regular working hours

Job source

www.adzuna.co.uk

Tech stack

Clean Code Principles Java (Programming Language) Cloud Computing Continuous Integration Key Management Systems Development Life Cycle Standard Sql Data Logging Test-Driven Development (TDD) System Availability Backend Kotlin

+1 more

Extreme Programming

Job description

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
Use incidents and defects as opportunities to improve system design and resilience
Contribute across development, integration, and production support
Help expand the platform into core business features such as sales screens, hedge workflows, and allocation processes

Technologies:

Backend
CI/CD
Cloud
GCP
Support
Kotlin
SQL
Java
TDD
XP

Requirements

Strong commercial experience building backend services in Kotlin
Deep experience with Extreme Programming practices, including mob programming, test-driven development, continuous refactoring, and clean code discipline
Cloud experience in CARE Cloud or GCP, including GKE and/or Cloud Run, Cloud SQL, Memorystore, Artifact Registry, Cloud Logging, and key management
CI/CD and SDLC experience in a regulated or enterprise environment
Comfortable working in production systems with high availability and correctness requirements

About the company

We are HCLTech, a global technology company with 219,000+ people across 54 countries, delivering digital, engineering, and cloud capabilities across major industry sectors. We are hiring two senior Kotlin engineers to join our high-caliber London front-office engineering team, building a new cloud-hosted issuance platform for Investment Banking Capital Markets to replace a legacy bookbuilder. This is a hands-on role focused on Extreme Programming practices, small testable changes, frequent feedback, and sustainable delivery. The platform supports real-time bookbuilding activity for around 1,000 global users and annual issuances totalling over a trillion euros.