Senior Java Software Engineer

Caspian One; Greater London; On-site; GBP 80,000 - 110,000; Full time

Job summary

Caspian One is seeking a Senior Java Developer to join a strategic regulatory-change programme for the T+1 settlement initiative in investment banking. The role touches post-trade systems across UK and European markets, delivering scalable Java-based solutions and modern architecture.

You will collaborate with technology, operations, settlements and regulatory stakeholders to design, build and migrate critical trade processing platforms, enabling faster settlement and enhanced controls.

Qualifications

• Experience building distributed systems and microservices.
• Strong understanding of enterprise integration and messaging technologies.
• Experience working within investment banking or capital markets environments.
• Strong stakeholder engagement and communication skills.

Responsibilities

• Design and develop strategic Java applications supporting the T+1 settlement programme
• Deliver enhancements across post-trade, settlement and trade processing platforms
• Work closely with business analysts, operations teams and technology stakeholders
• Build scalable event-driven and microservices-based solutions
• Contribute to system design, architecture and technical direction
• Support testing, migration and implementation activities associated with regulatory change

Skills

Stakeholder engagement

Communication

Tools

Java

Spring Boot

Kafka

Microservices

REST APIs

SQL/NoSQL

Job description

Senior Java Developer | Regulatory Change | T+1 Settlement Programme | Investment Banking

A leading global investment bank is seeking a Senior Java Developer to join a strategic technology programme supporting the industry's transition to T+1 settlement.

This role sits within a regulatory and post-trade technology function responsible for delivering system and process changes required to support the move from T+2 to T+1 settlement across UK and European markets. The initiative is intended to accelerate securities settlement, reduce risk and improve market efficiency.

Working closely with technology, operations, settlements, asset servicing and regulatory stakeholders, you'll help design and deliver enhancements across critical trade processing and post-trade platforms.

Responsibilities

• Design and develop strategic Java applications supporting the T+1 settlement programme
• Deliver enhancements across post-trade, settlement and trade processing platforms
• Work closely with business analysts, operations teams and technology stakeholders
• Build scalable event-driven and microservices-based solutions
• Contribute to system design, architecture and technical direction
• Support testing, migration and implementation activities associated with regulatory change

Required Experience

• Experience building distributed systems and microservices
• Strong understanding of enterprise integration and messaging technologies
• Experience working within investment banking or capital markets environments
• Strong stakeholder engagement and communication skills

Highly Desirable

Experience in one or more of the following:

• Securities Finance
• Stock Loan
• Corporate Actions
• Settlements
• Clearing
• Trade Processing
• Books & Records
• Post Trade Technology
• Regulatory Reporting
• Equities Operations Technology
• Java
• Spring Boot
• Kafka
• Microservices
• REST APIs
• SQL / NoSQL Databases
• Distributed Systems