Job ID: 6892Location: LondonSalary: 160,00-180,000 per yearPosted: 2026-05-25Software Developer Post-Trade AutomationNcounter are supporting a globally recognised systematic investment firm in hiring a Python focused Software Developer to join their Post Trade engineering group. This team builds and operates the pipelines that sit at the heart of post trade processing, powering millions of transactions and ensuring accuracy, timeliness and compliance across global markets.
You will design and deliver high performance components that automate the full lifecycle of post trade workflows, from ingesting transaction feeds through to booking, enrichment, reconciliation and analytics. This is a hands on engineering role where you will own production systems, improve reliability, optimise data flows and help shape the architecture behind one of the most advanced trading environments in the industry.
The environment is deeply technical, collaborative and quality driven, with strong expectations around software engineering standards, data integrity, and scalable distributed design.
Core Requirements• Strong Computer Science background with 5 years Python engineering in trading or post trade domains
- Proven experience building data intensive services and working with PostgreSQL and data frame tooling
- Background in trade booking and FIX protocol integration
- Ability to design and implement scalable, high availability and distributed architectures
- Experience building reporting and reconciliation tooling and working with large transactional datasets
- Understanding of OTC products including CDS, Interest Rate Swaps and Variance SwapsHighly Desirable• Experience with C++, Spark, Kafka or other distributed compute tools
- Exposure to position keeping, risk, or PnL systems
- Strong debugging, profiling and optimisation capability across data pipelinesIf you want to work at the intersection of software engineering, distributed systems and financial markets and enjoy taking ownership of critical production platforms, Ncounter would like to speak with you. Please get in touch for a confidential discussion.
Software Developer Post-Trade Automation in London employer: Ncounter
Ncounter is an exceptional employer that fosters a collaborative and innovative work culture, where employees are encouraged to explore cutting-edge AI and data solutions. Located in a vibrant tech hub, we offer competitive benefits, continuous professional development opportunities, and a supportive environment that values creativity and teamwork, making it an ideal place for those looking to make a meaningful impact in the enterprise technology landscape.
