Senior Java Developer (FTC) in City of London

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Department overview: The core development team is made up of 10 developers. All are working full‑time on the transition from a proprietary trade management system (Calypso) to a newly‑built one.

Job Title: Senior Java Developer

Location: London

Department: Technology

Employment type: 6 Month FTC

Role overview:

The project went live in 2024 and completed the migration of all electronic trade flow. The current stage of the project is focusing on:

• Supporting manual booking of all asset classes as well as the lifecycle events which affect them
• Migrating all live trades and positions from the legacy system to the new one
• Building an on‑demand liquidation position reporting system using Vertica
• Building a trade reporting system using Mongo
• Performance tuning of Kafka and the various microservices to ensure we can support all projected trading volumes as well as market shocks

The team decides its own priorities based on the overall project delivery plan. We meet each morning to provide an update and collaborate with each other and with other teams across the organisation. The team is easy‑going and copes well with vague and constantly changing requirements.

Experience required:

• Java: very strong Java skills, we currently use Java 17
• Spring: ideally Spring Boot 3
• Kafka: demonstrable experience working on a system at scale
• Microservices / Container: demonstrable experience on either on‑prem or cloud‑based orchestration platforms

About you:

• You are a self‑starter who doesn’t ask for work to do but instead finds the most pressing thing to do and just confirms the direction with the team.
• You collaborate well with people of all experience and abilities. You want to share knowledge with those that don’t have it and learn from those that do.
• You will participate in all design discussions and contribute as much as you want to.
• You have high standards and help encourage others to follow them, but are mindful of the value of fast delivery.
• You’re not afraid to break things and want to work somewhere that rewards delivery instead of punishing mistakes.
• You want to engage directly with people across the organisation, from Technology Infrastructure through to Front Office.

BlueCrest is committed to providing an inclusive environment for its workforce. As an employer, we provide equal opportunities to all people regardless of their gender, marital or civil partnership status, race, religion or ethnicity, disability, age, sexual orientation or nationality.