Senior Software Engineer

Job Summary

SGX is seeking experienced Senior Software Engineers to join our core engineering team responsible for the design and delivery of a high-performance, secure, and scalable OTC derivatives platform. This role offers significant ownership, technical autonomy, and the opportunity to shape engineering practices across the organization. Applicants should be comfortable with accepting a 24-month direct contract or permanent role.

Job Responsibilities

. Design and implement distributed systems and robust APIs using Java

. Integrate and optimize messaging systems (e.g. Kafka), orchestration tools (e.g. Kubernetes), and high-performance communication protocols (e.g. Aeron, gRPC, Protobuf)

. Lead the full software development lifecycle, including architecture, implementation, deployment, and monitoring

. Develop comprehensive test coverage across unit, integration, and end-to-end layers

. Define and maintain efficient CI/CD pipelines and scalable engineering workflows

. Drive continuous improvement in engineering processes through automation and best practices

. Collaborate cross-functionally with product, operations, and business teams to address complex challenges

. Leverage AI tools to enhance development productivity and software quality

Job Requirements

We are looking for individuals who demonstrate a strong engineering mindset, technical depth, and a commitment to excellence. Ideal candidates will possess:

. At least 8 years of software engineering experience

. Proficiency in Java and backend system architecture

. Experience in designing distributed systems, APIs, and inter-service messaging

. Familiarity with containerization, infrastructure orchestration, and performance-sensitive protocols

. Knowledge of the FIX protocol is advantageous

. Strong focus on code quality, testing, and observability

. Hands-on experience with CI/CD and automation tools

. A proactive, process-oriented approach to software development

. Ability to navigate complex systems within regulated environments

. Interest in applying AI tools to improve engineering outcomes

. Front-end development experience is a plus