Senior Technical Business Analyst - FINTECH / LONDON

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Manila, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for a Technical Business Analyst to join our team — someone who can bridge the gap between high-level product vision and detailed delivery execution in a complex, fast-moving technical environment. If you feel like this is you, you might be a perfect fit for this role! 🎉 YOU ARE: A strategic thinker who can zoom out to understand the big picture and zoom in to nail the details. A natural bridge-builder — equally comfortable in a room full of engineers and a room full of stakeholders. A problem-solver who thrives in ambiguity and brings calm, clarity, and structure to complex situations. A curious mind who genuinely enjoys understanding how systems work, not just what they need to do. A collaborative team player who believes the best solutions come from diverse perspectives. YOU HAVE: A strong technical and domain-driven mindset, with the ability to work closely with engineering teams. Hands-on experience with high-performance messaging or sequencing platforms such as Aeron, Kafka, Hydra, or equivalent — including an understanding of message ordering, state machine replication, and fault-tolerant distributed systems Demonstrable exposure to low-latency or high-throughput messaging infrastructure in a financial or similarly demanding technical environment Experience in QA, Software Engineering, Technical Business