Senior Java Backend Engineer - Capital Markets / Equities Clearing Platform

Build and maintain low-latency Java components within Orion, following its established platform patterns

Own delivery end-to-end: implementation, testing, migration cutover support, and production support

Investigate production issues and drive root-cause analysis, translating findings into durable fixes

Uphold high standards of execution quality - strong test coverage and performance discipline, especially given increased load from convergence

We're looking for ambitious, talented, technical Java engineers to help build out Orion, with the US Clearing convergence as a defining near-term priority. This is a hands-on delivery role, and we're looking for engineers who bring genuine quality and excellence to their work: meticulous attention to detail, a motivated and self-driven approach, and a progressive mindset that continually raises the bar rather than settling for \"good enough.\", Bachelor's or Master's degree in Computer Science or a related technical field

5+ years of professional Back End development in Java, with strong command of core language features, concurrency, and JVM performance

Solid understanding of distributed systems concepts - messaging, event ordering, consistency, fault tolerance

Strong problem-solving and root-cause analysis skills in high-volume production environments

Experience with relational or object-oriented data stores (eg, PostgreSQL, MongoDB)

Clear, confident communication with business and operations stakeholders

High ownership - able to work independently and deliver in a fast-paced environment, especially during active migration

Genuine focus on execution quality: well-tested, maintainable, performant code

Experience with sequencer-based, event-sourced architectures.

Banking or Capital Market experience in a must.

Preferred Qualifications

Experience of Realtime, high volume platforms in an Equities environment.

Exposure to securities clearing, settlement, custody, or regulatory reporting

Experience with large-scale platform migrations or system consolidations

Familiarity with high-performance messaging/middleware (eg, Kafka, Chronicle Queue, Aeron, Solace)

UNIX/Linux experience and JVM performance tuning