25 of 25 Permanent FIX Protocol Jobs in the UK

Java Low Latency Connectivity Developer London | 4 Days Office, Victoria | Crytpo Exchange Connectivity/FIX A specialist electronic trading firm is seeking a Java Low Latency Connectivity Developer to join a highly technical, performance-driven engineering team. The business operates automated trading strategies across both traditional financial markets … optimising exchange connectivity across multiple venues, with a strong focus on crypto markets. Key responsibilities include: Developing ultra-low latency Java components Managing FIX protocol sessions and order flow Integrating and optimising crypto exchange APIs using REST and WebSocket Handling real-time JSON market data feeds Improving performance ...

excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, Fix Protocol with some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA teams, to produce high performance … GitHub. Python, including Pytest. Knowledge of capital markets exchange connectivity on stocks (Fixed Income and derivatives is a plus), including exchange protocols such as FIX and SBE. Most importantly, a drive to solve complex technological and trading challenges with a great team of talented developers. Comfortable using Agile methodology ...

methodologies Python, including Pytest. Knowledge of capital markets exchange connectivity on stocks (Fixed Income and derivatives is a plus), including exchange protocols such as FIX and SBE. Most importantly, a drive to solve complex technological and trading challenges with a great team of talented developers. Comfortable using Agile methodology ...

develop scalable,maintain ableand high-quality code. Someone who enjoysmaths/logic problems and challenges Familiarity with electronic trading order routing, broker connectivity and FIX would bevery beneficial Knows or willingness to learnscripting languages to aid rapid development Experience acrossone or moreasset classes such as Equities, FX, Commodities ...

maintain able and high-quality code. Someone who enjoys maths/logic problems and challenges Familiarity with electronic trading order routing, broker connectivity and FIX would be very beneficial Knows or willingness to learn scripting languages to aid rapid development Experience across one or more asset classes such ...

Linux systems. Good understanding of modern development best practices and methodologies Python. Git. SQL. Knowledge of capital markets technologies, protocols, and standards such as FIX and SBE. Most importantly, a drive to solve complex technological and trading problematics with a great team of talented developers. Desired Skills/Experience ...

latency financial systems. Deep understanding of performance optimisation, concurrency and JVM internals. Experience working on pricing, risk or electronic trading platforms. Knowledge of FIX protocol, order routing and broker connectivity highly beneficial. Strong mathematical and problem-solving mindset. Experience across asset classes such as FX, Equities, Commodities ...

latency financial systems. Deep understanding of performance optimisation, concurrency and JVM internals. Experience working on pricing, risk or electronic trading platforms. Knowledge of FIX protocol, order routing and broker connectivity highly beneficial. Strong mathematical and problem-solving mindset. Experience across asset classes such as FX, Equities, Commodities ...

derivatives is a plus) Desired Skills/Experience Knowledge of capital markets exchange connectivity on fixed income and derivatives) Exchange protocols such as FIX and SBE. Some understanding and usage of cloud technology is a plus but not mandatory. ...

Financial Markets , ideally in pricing or market-making Strong understanding of FX microstructure , order management, or regulatory flows Bonus experience: Spring Boot, Gradle, Solace, FIX, concurrent programming, JVM tuning, React/Vue Ability to utilise AI coding assistants effectively while maintaining code quality Strong communicator with the ability ...

relevant experience. Strong interest in learning new technologies and tools. Experience with financial trading systems, messaging protocols, or electronic transaction platforms . Understanding of FIX protocol and low-latency system operations . Familiarity with messaging systems (e.g., JMS) and production system workflows. Knowledge of straight-through processing ...

Mastery of core Java, Spring Boot, and Spring Integration. Domain Specialist: Deep experience in Fixed Income (Treasuries, Corporate Bonds, Mortgages) and trading protocols like FIX/FpML . Data & Messaging: High proficiency in SQL, Kafka, MQ , and Data Modelling. Modern DevOps: Strong Git skills and experience building unit tests ...

Mastery of core Java, Spring Boot, and Spring Integration. Domain Specialist: Deep experience in Fixed Income (Treasuries, Corporate Bonds, Mortgages) and trading protocols like FIX/FpML . Data & Messaging: High proficiency in SQL, Kafka, MQ , and Data Modelling. Modern DevOps: Strong Git skills and experience building unit tests ...

with Fixed Income Products and Associated Electronic Workflows Strong proficiency with Java SQL and Git Very good understanding of industry standard trading protocols like FIX FpML Proficiency with Data Standards Data Modelling Proficiency with textbased formats like XML JSON Strong Proficiency with messaging frameworks MQ Kafka Proficiency with Spring ...

will provide hands-on, technical delivery of client and vendor on-boarding and certification, including the coordination of network connectivity and inbound/outbound FIX conformance testing. The candidate will plan and prepare the implementation of production network routing and FIX gateways. The candidate will be responsible … scheduling, execution and verification of the “go-live” in coordination with all technical and business stakeholders Company Requirements: Experience with FIX protocol systems. Familiarity with basic network connectivity, including: TCP/IP, VPNs, LOA provisioning, and troubleshooting. Experience with Linux, XML, bash, GNU command line utilities ...

their trading infrastructure, focusing on ultra-reliable, low-latency integrations with major crypto exchanges. Key Responsibilities Design and implement exchange connectivity modules (REST, WebSocket, FIX, proprietary APIs). Optimize order entry, market data ingestion, and account management for performance and reliability. Contribute to a fault-tolerant, scalable connectivity framework ...

development AWS or Azure cloud deployment Relational databases (MSSQL/MySQL) Proven experience leading engineering teams in Agile environments Exposure to trading systems, FIX protocol, WPF, microservices, or serverless architecture is highly desirable. If you're a delivery-focused technical leader who enjoys mentoring engineers while staying close ...

aspects of client deliveries Architecting performant, resilient distributed systems informed by deep domain knowledge Building solutions across OMS, EMS, Smart Order Routing, Matching Engines, FIX gateways and Risk platforms Working with event-driven architectures, replicated state machines and distributed consensus systems Applying best practices in separation of concerns, clean ...

deployment pipelines, secrets management Nice to Have Front office trading environment (any asset class) - execution systems, market data infrastructure, or low-latency pricing engines FIX protocol, OMS/EMS connectivity, or direct exchange co-location experience SIMD, vectorisation, or GPU offloading for numerical workloads; eBPF for observability … pattern experience What We're Looking For You find the bottleneck before anyone reports it, understand it at the hardware level, and instrument the fix so the next problem surfaces in seconds. You write Rust other engineers learn from and care deeply. To find out more about Huxley, please ...

delivering data transformation programmes for banking, insurance, or asset management clients Deep knowledge of data modelling practices (conceptual, logical, physical) and industry standards (fpML, FIX, FIBO) Hands-on experience with cloud data ecosystems (AWS, Azure, GCP) and modern data stacks Strong understanding of data governance, metadata management, and security ...

Deep-Dive Analysis: Move beyond surface-level checks; you will utilize SQL and exploratory techniques to identify root causes within high-velocity messaging streams ( FIX, Swift, XML, JSON ). Pipeline Mastery: Own the quality gate within the CI/CD lifecycle, ensuring automated triggers and data quality checks ...

expected, experience in any of the following areas would be a strong plus: Networking fundamentals Deployment management Foreign exchange (FX) markets Messaging protocols (particularly FIX ) Technical writing/documentation Why This Role Could Be a Great Fit This is a fantastic opportunity for someone who enjoys being close ...

process of re-engineering their connectivity to primary markets and their OMS. Candidates should have: Deep knowledge of Multi-threaded Java. Deep knowledge of FIX messaging and connectivity, including design. Accustomed to DevOps approach to working. Click apply below for a confidential chat about the role and your situation. ...

Continuity/Disaster Recovery frameworks. Working knowledge of networking, firewalls, CUCM, cybersecurity tools and cloud/infrastructure technologies. Experience with trading systems, exchange connectivity, FIX protocols and back-office integrations is advantageous. Ability to work under pressure, manage competing priorities and deliver within deadlines. Bilingual speakers (English & Mandarin ...

architecture. Key Responsibilities Lead the design, build, and deployment of OMS-Fidessa EMS integrations, covering order entry, execution feedback, and allocations. Define and implement FIX connectivity, including session management, execution reports, order routing, and drop copy feeds. Collaborate with Fidessa technical teams to align APIs, feeds, and message schemas … Strong hands-on experience with Fidessa EMS and OMS platforms (e.g. Bloomberg AIM, FlexTrade, Charles River, or in-house systems). Deep knowledge of FIX (4.2, 4.4, 5.0), EMS routing rules, Wheel, FDM, and drop copy configurations. Solid understanding of front-to-back trade lifecycle, market structure, and regulatory ...