1 to 25 of 110 Permanent FIX Protocol Jobs in the UK

Java Engineer - Contract (outside IR35) A Forex Brokerage based in London and are looking for an experienced Java Engineer with strong FIX API (server-side) expertise to join on an initial 3 month contract. This a key role working on high-performance, low-latency trading infrastructure used in live … market environments. What You’ll Be Doing Design, develop, and maintain server-side Java applications for FIX connectivity Build and support FIX API integrations with liquidity providers, banks, and trading venues Optimise systems for low latency, high throughput, and reliability Collaborate closely with trading, infrastructure, and QA teams ...

Java Engineer - Contract (outside IR35) A Forex Brokerage based in London and are looking for an experienced Java Engineer with strong FIX API (server-side) expertise to join on an initial 3 month contract. This a key role working on high-performance, low-latency trading infrastructure used in live … market environments. What You’ll Be Doing Design, develop, and maintain server-side Java applications for FIX connectivity Build and support FIX API integrations with liquidity providers, banks, and trading venues Optimise systems for low latency, high throughput, and reliability Collaborate closely with trading, infrastructure, and QA teams ...

Java Engineer - Contract (outside IR35) A Forex Brokerage based in London and are looking for an experienced Java Engineer with strong FIX API (server-side) expertise to join on an initial 3 month contract. This a key role working on high-performance, low-latency trading infrastructure used in live … market environments. What You'll Be Doing Design, develop, and maintain server-side Java applications for FIX connectivity Build and support FIX API integrations with liquidity providers, banks, and trading venues Optimise systems for low latency, high throughput, and reliability Collaborate closely with trading, infrastructure, and QA teams ...

FIX Connectivity Analyst Contract (6 Months) London/Hybrid Financial Services Client IR35: Inside IR35 Overview A leading financial services client is looking for an experienced FIX Connectivity Analyst to support their Global Markets Electronic Trading Infrastructure team. This is a hands-on contract role focused on FIX … onboarding, certification, and production support across multi-asset trading platforms. Key Responsibilities Onboard institutional clients and vendors to FIX trading platforms Configure and certify FIX sessions across UAT and Production Support FIX 4.2/4.4/5.0 message flows Monitor and troubleshoot live FIX sessions (sequence ...

FIX Connectivity Analyst Contract (6 Months) London/Hybrid Financial Services Client IR35: Inside IR35 Overview A leading financial services client is looking for an experienced FIX Connectivity Analyst to support their Global Markets Electronic Trading Infrastructure team. This is a hands-on contract role focused on FIX … onboarding, certification, and production support across multi-asset trading platforms. Key Responsibilities Onboard institutional clients and vendors to FIX trading platforms Configure and certify FIX sessions across UAT and Production Support FIX 4.2/4.4/5.0 message flows Monitor and troubleshoot live FIX sessions (sequence ...

FIX Connectivity Analyst Contract (6 Months) London/Hybrid Financial Services Client IR35: Inside IR35 Overview A leading financial services client is looking for an experienced FIX Connectivity Analyst to support their Global Markets Electronic Trading Infrastructure team. This is a hands-on contract role focused on FIX … onboarding, certification, and production support across multi-asset trading platforms. Key Responsibilities Onboard institutional clients and vendors to FIX trading platforms Configure and certify FIX sessions across UAT and Production Support FIX 4.2/4.4/5.0 message flows Monitor and troubleshoot live FIX sessions (sequence ...

financial services, ideally in an electronic trading environment. Familiarity with modern tech stacks including AWS, Java, and/or C++. Electronic Trading - Market Data - FIX Protocol - ITCH - FIX Connectivity - Exchange Connectivity - Latency improvement - Networking - highly desirable. Excellent analytical, communication, and st,akeholder management skills. Why Join ...

services, ideally in an electronic trading environment. Familiarity with modern tech stacks including AWS , Java, and/or C++ . Electronic Trading - Market Data - FIX Protocol - ITCH - FIX Connectivity - Exchange Connectivity - Latency improvement - Networking - highly desirable. Excellent analytical, communication, and st,akeholder management skills. 🌍 Why Join ...

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 ...

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 and 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 ...

development for low-latency or electronic trading systems. Deep expertise in Java concurrency, GC tuning, memory management, and NIO. Strong grasp of market microstructure, FIX protocols, and order handling. Proven record of delivering production-grade Java trading platforms in front-office environments. Experience in Rates eTrading (cash or derivatives ...

latency or electronic trading systems. Deep expertise in Java concurrency, GC tuning, memory management, and NIO . Strong grasp of market microstructure , FIX protocols , and order handling . Proven record of delivering production-grade Java trading platforms in front-office environments. Experience in Rates eTrading (cash or derivatives) strongly ...

well as Linux commands for log analysis. Knowledge of TREP and TIBCO RV communication systems is an advantage Familiarity with the FIX protocol is an advantage. RTDS, Bloomberg API, LSEG EIKON Personal Skills Required: Integrate proactively into an agile team. Be comfortable working in international teams, showing team ...

well as Linux commands for log analysis. Knowledge of TREP and TIBCO RV communication systems is an advantage Familiarity with the FIX protocol is an advantage. RTDS, Bloomberg API, LSEG EIKON Personal Skills Required: Integrate proactively into an agile team. Be comfortable working in international teams, showing team ...

order book trading. Desirable: PRINCE2 or APM certification (or equivalent). Exposure to various asset classes (equities, ETFs, derivatives, bonds, commodities). Familiarity with FIX protocol and market data systems. Understanding of ultra-low latency distributed computing environments. Experience in highly regulated environments. Knowledge of Linux-based infrastructure ...

threading concepts Actively used design patterns and demonstrate strong understanding of software design Experience using low-latency/high-throughput messaging platforms Understanding of FIX API for exchange and venue connectivity is desirable Exposure to Relational and Time series databases, SQL/Q will be advantageous Scripting experience will ...

knowledge of multithreading and concurrency. Solid understanding of data structures, algorithms, and memory management. Experience in pre-trade application development. Familiarity with market data, FIX protocol, KDB+, and time-series data. Strong front-office communication skills, with experience working directly with traders and quants To be considered ...

years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking protocols, including TCP/IP, UDP, Unicast ...

years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking protocols, including TCP/IP, UDP, Unicast ...

years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking protocols, including TCP/IP, UDP, Unicast ...

latency development such as lock-free data structures and minimising garbage collection. Familiarity with messaging libraries and protocols such as Aeron, Kafka, EMS, SBE, FIX, ITCH, and OUCH. ...

latency development such as lock-free data structures and minimising garbage collection. Familiarity with messaging libraries and protocols such as Aeron, Kafka, EMS, SBE, FIX, ITCH, and OUCH. ...

C++, SQL, and/or C# Solid experience with Linux OS Bonus: familiarity with React, SASS/SCSS, or networking protocols (TCP/IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical ...

C++, SQL, and/or C# Solid experience with Linux OS Bonus: familiarity with React, SASS/SCSS, or networking protocols (TCP/IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical ...

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 ...