Senior Full Stack Java Technical Architect - DevOps
United Kingdom
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Job Description
Senior Full Stack Java Technical Architect - DevOps
City Of London, England

Job Summary

About the Role

The Dealer-to-Client (D2C) platform is a mission-critical, real-time trading system supporting Rates, Credit, GEM, Repo and ETF businesses. To future-proof the platform and ensure it can support the next decade of business innovation and regulatory demands, we are initiating a strategic modernisation programme — beginning with the migration of our services to new, more powerful infrastructure. 

 

Job Description

You will work on the migration of the D2C platform services from existing infrastructure to new hardware, ensuring minimal disruption to live trading operations.

Key Responsibilities

Your Key Responsibilities

  • Document the current D2C service landscape, identifying all services and their existing host dependencies

 

  • Collaborate with the infrastructure team to specify, size and procure replacement hosts

 

  • Collaborate with the infrastructure team to provision and configure new hosts, ensuring all required runtimes, software, networking and security requirements are met

 

  • Plan and execute the end-to-end migration of D2C services to new infrastructure, including rollback planning, environment validation and post-migration sign-off

 

 

Your Skills and Experience

  • Solid Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency.

 

  • Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design

 

  • Infrastructure and DevOps - Hands-on experience with Linux-based server environments, scripting (Bash/Python) and provisioning/configuration tooling (e.g. Ansible or equivalent). Familiarity with CI/CD pipelines (e.g. TeamCity or equivalent) and build tools such as Maven or Gradle

 

  • Containerisation and Orchestration - Practical experience with Docker and Kubernetes, including deploying and managing containerised Java services

 

  • Monitoring and Observability - Experience with monitoring and alerting tooling such as Geneos, Grafana and Prometheus or equivalent, with an appreciation of what good operational visibility looks like for a trading platform

 

Skill Requirements

  • Solid Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency.
  • Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design

Other Requirements

You will work on the migration of the D2C platform services from existing infrastructure to new hardware, ensuring minimal disruption to live trading operations.
Apply now
Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 227,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending March 2026 totaled $14.7 billion.