Millennium logo

Full Stack Developer – Reference Data

Millennium
Department:Finance
Type:ON-SITE
Region:Dublin
Location:Dublin, County Dublin, Ireland
Experience:Mid-Senior level
Estimated Salary:€70,000 - €100,000
Skills:
JAVASPRING BOOTGRAPHQLREST APIKAFKAANGULARAWSEKSPYTHONRDBMSAUTOMATED TESTINGFINANCIAL SERVICES
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Job Description

Posted on: March 30, 2026

We are seeking a skilled Full Stack Developer to enhance our Enterprise Reference Data platform, the central source of financial data across the firm. You will play a key role in evolving our data platform, services, and tools to meet new customer requirements. The platform is built on a modern tech stack, including Java, Kafka, Angular, and AWS (EKS), offering scalable and streaming capabilities. We are looking for someone who is passionate about delivering business value, sharing ideas, and improving system design. Key Responsibilities

  • Develop and maintain full-stack solution using Java (Spring Boot, GraphQL, Rest API, Kafka) and Angular.
  • Ensure proper ingestion, curation, storage, and management of data to meet business needs.
  • Write and execute unit, performance, and integration tests.
  • Collaborate with cross-functional teams to solve complex data challenges.
  • Closely work with users to gather the requirements and convert them into an actionable plan.

Qualifications

  • Minimum of 3 years' of professional Java development experience, focusing on API-and Kafka based architectures OR
  • Minimum of 3 years of Python development experience
  • Angular development skills with backend integration expertise a big plus.
  • Hands-on experience with automated testing (unit, performance, integration).
  • 3+ years of database development experience (any RDBMS)
  • Analytical and problem-solving skills with the ability to work independently in a fast-paced environment.
  • Excellent communication skills to effectively collaborate with users and other teams across different regions.
  • Self-motivated and capable of working under pressure.
  • Experience working in Financial Services or a Front Office Environment is highly preferred.
  • Experience working in Reference Data domain a plus
  • Familiarity with AI developer tools
Originally posted on LinkedIn

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