# Principal Engineer (AWS & Java)

Hiring organization: [LSEG](https://career.thegoodapps.co/organizations/lseg)

Canonical page: https://career.thegoodapps.co/jobs/b4b5974d-b25d-4032-889f-0f69b3deff81

Listed on LSEG's own careers site. Applications go to them directly.

- Seniority: Principal

## Summary

This Principal Engineer role leads the technical implementation of a major risk screening platform at a global financial infrastructure company, focusing on AWS cloud systems and Java performance at scale. The position suits deeply experienced engineers who excel at solving complex distributed systems problems and mentoring senior technical teams while maintaining hands-on involvement in critical implementations.

_Our summary, not LSEG's wording._

## Skills named

Amazon Web Services (AWS), Autoscaling, Concurrency, Java, Java Virtual Machine (JVM), Performance Tuning

## Required

- Extensive experience as a Principal Engineer or equivalent senior technical role on large-scale production systems
- Deep hands-on expertise in Java (Java 11+ preferred) including JVM behavior, concurrency, and performance optimization
- Strong practical experience building and running systems on AWS with focus on operational trade-offs
- Proven ability to implement and operate distributed systems at scale with emphasis on performance and scalability
- Strong experience with large databases or data platforms including performance tuning and operational management
- Strong understanding of production operations including incident management, observability, and reliability engineering
- Ability to influence and guide teams through technical credibility

Apply on LSEG's site: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/GBR-Nottingham-1-Chapel-Qtr/Principal-Engineer--AWS---Java-_R0120037-1