Senior Java Developer

Overview

In this role you will shape and deliver scalable backend services for a critical market-infrastructure platform, with a strong focus on AWS cloud-native development. You’ll work within a collaborative team to design, implement, and maintain robust Scala-based systems, driving engineering excellence and best practices. You’ll contribute to the product lifecycle and help grow the judging standards and technical direction. This is a hands-on, ownership-driven position in a dynamic, cross-functional environment that values quality and impact.

Pay / Benefits

• healthcare
• retirement planning
• paid volunteering days
• wellbeing initiatives
• tailored benefits and support

Responsibilities

• Own and contribute to design and implementation of robust, scalable backend services
• Engage in end-to-end product engineering lifecycle including solutioning, coding, and testing
• Promote collaboration, transparency, and high-quality outcomes within the team
• Apply LSEG engineering principles and foster a culture of ownership and excellence
• Create an engaging, challenging, and respectful team environment with a strong one-team mindset

Key requirements

• Event-driven microservices architecture knowledge
• Domain-Driven Design (DDD) and event-driven principles
• Containerization with Docker and Kubernetes
• DevOps pipelines experience (GitLab preferred)
• Shift-left testing with JUnit, Cucumber, Gherkin, PACT, Test Containers
• Experience with Kafka and MQ
• Advanced Scala programming across functional and OO paradigms
• Expertise with Akka, Play Framework, Cats/Scalaz
• Production experience delivering enterprise-grade Scala apps with emphasis on quality, resilience, performance, observability
• Strong SQL with Postgres; AWS S3; Flyway/Liquibase; cloud services (Aurora, MSK, S3, IAM)
• AWS cloud experience and basic cloud networking understanding
• Agile methodologies (Scrum/Kanban) and cross-functional collaboration
• Experience in building web apps with ReactJS and some Java is a plus

• Excellent communication
• Can-do attitude
• Highly collaborative
• Scala (advanced)
• Akka
• Play Framework