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Senior Java Trading System Engineer

New York, NY · Senior

$100,200 – $167,000

Listed on LSEG’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

A senior backend engineer role maintaining and building next-generation trading systems for a major financial infrastructure platform. This suits experienced Java developers comfortable with low-latency systems, distributed architecture, and the financial services domain.

Our summary, not LSEG’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

5+ years of software engineering experience as an individual contributor
Financial industry experience building trading systems
Strong Java fundamentals including JVM, multithreading, collections, and I/O
System architecture and design knowledge
API development, Docker, and Kubernetes experience
Clean code, unit testing, code review, and refactoring expertise
Knowledge of SOLID, DRY, and Law of Demeter principles
Understanding of low-latency development challenges and solutions
Distributed version control (Git) and build automation (Gradle/Maven)
Linux/Unix operating systems experience
RDBMS experience (e.g., PostgreSQL)
Agile methodology familiarity
BS/MS in Computer Science or equivalent software engineering qualification

Nice to have

Test-driven development (TDD) and CI/CD practices
Spring and Spring Boot experience
Redis and Apache Kafka experience
Cloud platform familiarity (preferably Microsoft Azure)
Strong verbal and written communication skills
Problem-solving and creative thinking ability