Senior Java Developer

Position: Senior Java Developer (6 month contract)
Location: Belfast City District

First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate the data-driven, digital revolution that is transforming the financial services sector. Our global teams span across 15 offices serving clients across EMEA, North America and APAC.As

an EPAM Systems, Inc. (NYSE: EPAM) company, a leading global provider of digital platform engineering and development services, we deliver advanced financial services solutions by empowering operational insights, driving innovation, and enabling more effective risk management in an increasingly data-centric world. Together with EPAM, we combine deep industry expertise with cutting-edge technology to help clients stay ahead in a rapidly evolving financial landscape, offering comprehensive solutions that drive business transformation and sustainable growth.

We are looking for an experienced Java Developer to join a fast-moving delivery team building a new regulatory reporting platform for a global financial services firm.

This is a key build focused on MiFID II transaction reporting, trade transparency, and instrument data — replacing a legacy system with a cloud-native microservices architecture (Java 17, Spring Boot, AWS, CI/CD).You’d be working closely with BAs, compliance SMEs, and QAs to deliver genuinely business-critical features.

Key highlights

Greenfield build – no legacy codebase

Cloud-native tech stack (Java, Spring Boot, AWS, Git Hub Actions, Jenkins)
Regulatory focus (MiFID II, EMIR, SFTR, etc.)Responsibilities Design and implement scalable, cloud-native backend components using Java and Spring Boot Collaborate with cross-functional teams to deliver features supporting transaction reporting, pre/post-trade transparency, and venue/instrument data flows

Translate regulatory requirements into robust, auditable technical solutions

Participate in Agile ceremonies and contribute to design, development, testing, and documentation

Write unit, integration, and functional tests; support automated test pipelines

Deploy services in AWS and contribute to CI/CD pipeline development

Requirements5+ years of Java development experience, with strong proficiency in Spring Boot Solid understanding of microservices architecture and RESTful API design

Experience deploying to and developing in AWS or other public cloud environments

Familiarity with Agile development practices and tools (e.g., Jira, Git, Jenkins)
Strong communication skills and ability to work closely with non-technical stakeholders

Previous experience in capital markets, especially transaction reporting, is highly desirable

Nice to have Knowledge of MiFID II, EMIR, SFTR, or other regulatory reporting regimes

Experience with test automation frameworks (e.g., Playwright, Type Script, BDD)
Exposure to Mark Logic or similar document databases

We offer

Private Healthcare Package Pension Employee  Assistance Programme Enhanced Maternity policy

Group Life Protection Benefit Give as You Earn Cycle to Work Scheme Employee Referral Bonus Scheme Diversity Networks Access to a range of skills and certifications