Principal eTrading Software Engineer – Electronic Interest Rate Swaps page is loaded Principal eTrading Software Engineer – Electronic Interest Rate Swapslocations: Sydney - Client Locationtime type: Full timeposted on: Posted Todayjob requisition id: JR1031159Synechron is hiring a Lead Software Engineer to spearhead the development of an in-house built electronic Interest Rate Swaps (eIRS) trading platform. This is a senior, hands-on engineering role that demands deep expertise in Java, distributed systems, and financial market technologies, particularly in the fixed income and IRS trading domain.You’ll be responsible for architecting and scaling mission-critical components including RFQ workflows, pricing integration, trade execution logic, and dealer UIs. This is an opportunity to lead cutting-edge trading system development in partnership with quants, traders, and technologists at a top-tier investment bank. Lead development of the eIRS in-house built application for electronic trading of IRS products including outrights, flys, spreads etc. Architect and implement RFQ state machines, pricing event wiring, and override messaging logic to enable the application. Deliver full support for voice trading workflows, including integration with MarkitWire SWML for Straight Through Processing (STP) Drive industrialisation of the eIRS engine, managing timing issues and race conditions. Collaborate with quant teams to integrate core pricing models for short-end curve instruments and relative value analytics (Z-score, Carry & Roll, XCCY RV) Publish trade and curve data to IDAP for analytics and dealer UI exposure. Lead engineering decisions on nested feeder curve implementations (C++ xCurves vs server-side builds) Mentor engineers across UI, platform, and backend domains to ensure delivery quality and velocity.Technical Skills Deep expertise in Java (8/17), Spring Boot, and distributed systems architecture Experience with IRS market platforms such as Tradeweb and MarkitWire Strong understanding of IRS instruments, pricing conventions, and swap templates Familiarity with AWS services (EC2, S3, Redis, SNS, SQS), Kafka/EventHub, DevSecOps/CI/CD technologies as well as modern SRE technology. Experienced in using Agentic AI to assist engineering effort Knowledge of quant libraries and risk analytics integration SSL standard for secure encrypted communicationsSYNECHRON’S DIVERSITY & INCLUSION STATEMENTDiversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.At Synechron, we are committed to integrating sustainability into our business strategy, ensuring responsible growth while minimizing environmental impact. Employees play a key role in driving our sustainability initiatives, from reducing our carbon footprint to fostering ethical and sustainable business practices across global operations. All positions are required to adhere to our Sustainability and Health Safety standards, demonstrating a commitment to environmental stewardship, workplace safety, and sustainable practices. J-18808-Ljbffr
