What you'll be doing

Work directly with traders, quants, Operations, Risk, and Compliance to understand requirements and trading workflows.
Trace business processes and data flows across pre-trade research, execution, post-trade processing, risk, and compliance.
Identify opportunities to improve resilience, consistency, automation, and operational efficiency.
Build a shared understanding of system responsibilities, dependencies, and operational considerations.
Help design and deliver a new OTC Trading Engine covering Equities, ETFs, Fixed Income, and Crypto.
Define service boundaries, data models, interfaces, and event flows.
Modernise existing applications in response to new business or engineering needs.
Make and document architectural decisions balancing performance, reliability, simplicity, and delivery speed.
Design greenfield services and platforms that can be safely operated and evolved.
Develop high-performance services, data pipelines, and integrations using Java, C++, and Python.
Build event-driven systems with messaging and pub/sub patterns.
Engineer for production including testing, observability, failure handling, and operational support.
Embed monitoring, root-cause analysis, and recovery mechanisms for rapid issue resolution.
Take ownership from design through deployment and production operation.

Requirements

Strong experience building and operating distributed backend systems in production.
Expertise in Java or C++ with working knowledge of Python.
Strong understanding of distributed systems, concurrency, and scalable system design.
Experience with event-driven architectures and messaging platforms such as Kafka.
Proven track record building high-performance, low-latency systems.
Ability to translate complex business requirements into robust technical solutions.
Ownership mindset with strong stakeholder management and communication skills.
Experience with modern engineering practices including testing, code reviews, observability, and automation.
Comfortable leveraging AI tools to improve productivity while maintaining quality and accountability.

Flow Academy and opportunities to attend domain-related conferences.
Daily catered lunch, great coffee, and a fully stocked kitchen and snack bar.
In-house Bar and Lounge with arcade, table tennis, billiards, and game consoles.
Company boat.
In-house gym with sessions from a nutritionist or personal trainer.
Bi-weekly massages.
Annual company trip and various events throughout the year, including New Years Event.
Global rotations across offices worldwide.
Competitive salary, annual discretionary profit share, and comprehensive benefits.