1 to 25 of 433 FIX Protocol Jobs in the UK

FIX Connectivity Engineer - AVP (Hybrid) Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer … unparalleled access to capital and liquidity. What We do/The Team This role is within the Equities Electronic Technology organization within the Global FIX Engineering Team. The FIX Engineering team is responsible for all Client onboarding as well as FIX connection support and maintenance across Citi … directly with external clients, software vendors and various multi-asset business teams at Citi. The team globally provides 24/5 follow the sun FIX Connection coverage through teams in Singapore, Pune, New York, and the UK. The candidate will be expected to participate in prioritization, project planning, certification More ❯

System (PMS) to the OMS/EMS, ensuring seamless trade staging and execution. Develop and optimize execution strategies and trade management workflows. Work with FIX protocol and other connectivity solutions to integrate with brokers, exchanges, and liquidity providers. Implement low-latency, high-throughput software to support fast and … experience working on Order Management Systems (OMS) and/or Execution Management Systems (EMS)—either developing bespoke solutions or integrating vendor platforms. Familiarity with FIX protocol and other trading connectivity standards. Experience in low-latency software development, optimizing performance for real-time trading. Strong understanding of electronic trading More ❯

System (PMS) to the OMS/EMS, ensuring seamless trade staging and execution. Develop and optimize execution strategies and trade management workflows. Work with FIX protocol and other connectivity solutions to integrate with brokers, exchanges, and liquidity providers. Implement low-latency, high-throughput software to support fast and … experience working on Order Management Systems (OMS) and/or Execution Management Systems (EMS)—either developing bespoke solutions or integrating vendor platforms. Familiarity with FIX protocol and other trading connectivity standards. Experience in low-latency software development, optimizing performance for real-time trading. Strong understanding of electronic trading More ❯

that business requirements are met. Drive a best practices approach to the continuous improvement of products, processes, and tools. Identify and correct bottlenecks and fix bugs for all production issues. Liaise with product development team to plan new features. Research and suggest new mobile products, applications and protocol. Qualifications … Studio, Eclipse) and source control tools (Git, Stash). Ability to perform in a team environment. Knowledge and experience with the Financial Information Exchange FIX Protocol would be handy as well as working with trading or currency exchange technology. This position is based in the City London. Salary More ❯

code A passion for continuous improvement and test-driven design plus innovative, big-picture thinking grounded in real-world pragmatism An understanding of the FIX engines, FIX protocol and connectivity Ability to operate autonomously as well as collaborate with developers, traders, researchers and business operations Ideally experience More ❯

code A passion for continuous improvement and test-driven design plus innovative, big-picture thinking grounded in real-world pragmatism An understanding of the FIX engines, FIX protocol and connectivity Ability to operate autonomously as well as collaborate with developers, traders, researchers and business operations Ideally experience More ❯

Technical skills: Proficiency in Windows and Unix/Linux operating systems. Experience with SQL databases (Postgres, Oracle, Sybase). Understanding of trading processes, including FIX connectivity, order management, pricing, and market making. Familiarity with ITIL framework processes for incident and problem management. Knowledge of observability and monitoring tools (e.g. More ❯

Technical Skills: Proficiency in Windows and Unix/Linux operating systems. Experience with SQL databases (Postgres, Oracle, Sybase). Understanding of trading processes, including FIX connectivity, order management, pricing, and market making. Familiarity with ITIL framework processes for incident and problem management. Knowledge of observability and monitoring tools (e.g. More ❯

Technical skills: Proficiency in Windows and Unix/Linux operating systems. Experience with SQL databases (Postgres, Oracle, Sybase). Understanding of trading processes, including FIX connectivity, order management, pricing, and market making. Familiarity with ITIL framework processes for incident and problem management. Knowledge of observability and monitoring tools (e.g. More ❯

working on both Linux and Windows platforms. Advantageous An excellent understanding of financial markets and instruments, particularly equities Experience developing trading algorithms Experience with FIX a significant advantage. Experience of front office low latency software and/or trading systems development e.g. in a hedge fund or investment bank More ❯

modules and data lakes. The ideal candidate will be a senior contributor specialised in low latency multi-threaded development using protocols/products like FIX, REST, Hazelcast, Aeron, Kafka. They will be focused in designing for low level performance, reliability, and scalability to handle larger pricing and trade volumes. … consistently shipping reliable code to production. ESSENTIAL SKILLSET/EXPERIENCE Low latency development techniques (zero GC/copy) Performance tuning, GC and OS optimization FIX protocol Low latency messaging (Aeron), optimised data transports (SBE, protobuf), Agrona, Chronicle FX knowledge or similar eTrading domain - pricing/trading/hedging More ❯

Proficiency in supporting and troubleshooting Windows applications. • Solid understanding of database concepts and SQL query language. • Strong knowledge of AWS/Azure. • Familiarity with FIX protocol and experience with FIX connectivity troubleshooting. • Excellent problem-solving skills and ability to work well under pressure in a fast-paced More ❯

Senior Low-Latency Java Developer – FX Trading/FIX Integration 📍 Location: London (Remote with occasional onsite requirements) 🕒 Contract Duration: 6 to 12 months (Extension possible) We're looking for a seasoned Java developer to join our high-performing electronic trading team, helping drive low-latency solutions in global FX … an agile, cross-functional team, you’ll design and build high-performance components for our electronic trading platforms, with a specific focus on integrating FIX-based pricing engines with multi-dealer platforms like FX Connect . You’ll work closely with trading and sales to deliver fast, reliable, and … Hands-on experience with FX Connect or similar client trading platforms Strong multi-threading, lock-free, and low GC design knowledge Solid understanding of FIX, REST APIs, distributed systems, and messaging They're looking for a senior, low-latency Java developer with FIX protocol experience , ideally someone More ❯

risk, and execution systems. • Experience with multithreading, garbage collection tuning, and optimizing memory management. • Strong understanding of networking, TCP/IP, messaging protocols (e.g., FIX, Kafka, or RabbitMQ). • Experience working within banking, hedge funds, or financial institutions. • Solid understanding of algorithms, data structures, and system design principles. • Familiarity More ❯

risk, and execution systems. • Experience with multithreading, garbage collection tuning, and optimizing memory management. • Strong understanding of networking, TCP/IP, messaging protocols (e.g., FIX, Kafka, or RabbitMQ). • Experience working within banking, hedge funds, or financial institutions. • Solid understanding of algorithms, data structures, and system design principles. • Familiarity More ❯

risk, and execution systems. Experience with multithreading, garbage collection tuning, and optimizing memory management. Strong understanding of networking, TCP/IP, messaging protocols (e.g., FIX, Kafka, or RabbitMQ). Experience working within banking, hedge funds, or financial institutions. Solid understanding of algorithms, data structures, and system design principles. Familiarity More ❯

Office, Back Office, Collateral Management, Risk & Treasury). Knowledge of SQL, Oracle, or PostgreSQL databases for performance tuning. Experience with Calypso APIs, integration (JMS, FIX, REST/SOAP), and messaging services. Strong understanding of Unix/Linux environments and shell scripting for automation. Familiarity with CI/CD tools More ❯

Skills Desired: Interest in developing systems for automated market making, DMA or algo trading group in liquid markets (equities, FX, liquid rates, etc.) using FIX protocol Experience with web service development, REST, TypeScript knowledge with preferably Angular framework Experience with low-latency messaging Middleware pub/sub technologies. More ❯

Skills Desired: Interest in developing systems for automated market making, DMA or algo trading group in liquid markets (equities, FX, liquid rates, etc.) using FIX protocol Experience with web service development, REST, TypeScript knowledge with preferably Angular framework Experience with low-latency messaging Middleware pub/sub technologies. More ❯

Linux and Windows environments Degree in a quantitative or computing field (e.g., Computer Science, Mathematics, Engineering, Physics) from a top-tier university Experience with FIX protocol is a plus Competitive salary with bonuses Additional perks include personal development allowances and sponsorship opportunities Located in Central London with a More ❯

with stakeholders: sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production-ready software. Desirable skills: Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) (training will be given) Qualifications More ❯

distributed systems. Strong communication skills and ability to collaborate with business stakeholders. Interest or experience in financial products (FX, Derivatives, Options) and familiarity with FIX Protocol, FpML, or similar financial models is a plus. More ❯

Windows and Linux environments. Ensure all trading systems are fully operational before market open. Support a wide range of production systems including trading platforms, FIX/exchange connectivity, and risk systems. Manage release and deployment processes, maintaining stability in production environments. Maintain and support static data processes and internal More ❯

Windows and Linux environments. Ensure all trading systems are fully operational before market open. Support a wide range of production systems including trading platforms, FIX/exchange connectivity, and risk systems. Manage release and deployment processes, maintaining stability in production environments. Maintain and support static data processes and internal More ❯

supporting global trading desk. A background of solid architectural work. Knowledge of Enterprise Integration and messaging technologies (29 West, Multicast). Knowledge of the FIX protocol. Familiarity with time series databases (KDB). Knowledge of lock free algorithms, low latency tuning and threading. More ❯