Senior Technical Business Analyst (FinTech, Trading,networking principles, TCP, UDP, multicast, Low Latency) This is a hybrid role, 3 days in the office and 2 days remote An excellent opportunity has arisen for a Senior Technical Business Analyst (with ideally 5 years of experience) to join a well-established growing financial exchange (FinTech, Financial technology company) based in the City London, my clients culture is one oftrust, openness, and excellence. Ideally, we seek candidates from the FinTech (Financial Technology)Trading, Media, Streaming, Telcoms or Defence industries, however all applicants welcome.My client work in a collaborative style and take collective responsibility for successes and failures. This is an excellent opportunity to join a small, friendly and growing team. This role will offer excellent career growth and the opportunity to work with an innovative, forward thinking company working with some cutting edge technologies. Wevalue :Senior Technical Business Analyst - (FinTech, Trading,networking principles TCP, UDP, multicast, Low Latency) High personalintegrity Innovative thinking Efficient and reliable performance Spark Benefits (not exhaustive list): Senior Technical Business Analyst - (FinTech, Trading,networking principles TCP, UDP, multicast, Low Latency) Competitivesalary 25 days annual leave-not including bank holidays Private medical insurance Hybrid working Flexible working hours Company pension Group Policies Life Assurance, Income Protection and Critical Illness Discretionary bonus Electric Car Scheme Enhanced Maternity and Paternity Policy Workplace Nursery Scheme Length of service holiday entitlement Job Overview - Senior Technical Business Analyst - (FinTech, Trading,networking principles TCP, UDP, multicast, Low Latency) The Product and Project Management team sits at the crossroads of most departments in the company, acting as the central coordination group touching development, sales/client management, operations, surveillance, quality assurance and senior management. As part of the Product Management team, you will own the analysis and implementation of new initiatives and features across all 3 business lines. Acting as a bridge between our stakeholders and engineering, you will be responsible for ensuring that product features align with the clients/business needs, gathering requirements, project planning, documenting solutions and more. A high degree of attention to detail and professionalism is key to the role of maintaining stakeholder and client relationships. The successful candidate should be able to own and manage new product features concurrently, overseeing the delivery of software throughout the SDLC and escalating risks to delivery where appropriate. A strong technical background, particularly in systems integration, data flows, and infrastructure, will be critical to success in this role. Responsibilities and Duties - Senior Technical Business Analyst (FinTech, Trading,networking principles TCP, UDP, multicast, Low Latency) Requirements gathering Work closely with other product managers, developers and architects to translate business needs into clear, technically robust specifications, identifying dependencies, interfaces, and technical constraints. Technical roadmap ownership Work with architects and engineers to maintain the technical roadmap, identifying areas of technical debt or new application components across distributed systems. Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. Stakeholder engagement Act as a central communication point between product, engineering, infrastructure, and operations, ensuring alignment of objectives and expectations. Process improvement Identify inefficiencies in workflows, proposing automation or process improvements. Project management Drive delivery of software and hardware initiatives, managing scope, timelines, and dependencies across cross-functional teams. Risk assessment Anticipate technical and operational risks to delivery, proposing mitigations early in the project lifecycle. Required Skills/Experience - Senior Technical Business Analyst (FinTech, Trading,networking principles TCP, UDP, multicast, Low Latency) The successful candidate will have a strong and positive work ethic with the ability to forge lasting relationships (both internal and external) at all levels. The appetite and ability to learn in the role is a must. Essential Proven track record of specifying and delivering complex, low-level code systems (e.g. C++, Java), with strong knowledge of performance optimisation, latency management, concurrency, and integration considerations. Strong knowledge of networking principles (TCP, UDP, multicast) and experience designing for resilience, throughput, and low-latency data distribution. Expertise in distributed computing and system architectures, including microservices and high-throughput, low-latency systems. Strong knowledge of data architecture and database design, with experience across relational, time-series, and high-availability database environments. Understanding of on-premises Linux-based infrastructure, and deploying and managing containerised/virtualised environments (AWS, OpenShift). Demonstrated ability to work within Agile/Scrum SDLC, translating business objectives into actionable user stories and robust technical deliverables. Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption. Desired Experience working with an electronically traded asset class. Strong business and technical understanding of exchange-based order book methodologies such as CLOB, auctions, dark trading, pegged orders and more. Familiarity with FIX trading protocol and market data systems. Experience working in a highly regulated environment. Skills Excellent verbal and client-facing skills, high degree of professionalism. Detail oriented. Collaborative. Analytical and problem-solving attitude. Strong organisational and time management skills.