support-related responsibilities. This role will be working within the Front Office Teams and would requires someone with experience on Trading Platforms and preference to candidates with exposure to FIX Connectivity. Proficient in Windows and Linux/Unix environments with solid understanding of SQL, Oracle databases, and server-side infrastructure, including platforms like ION, IBM MQ, Deltix, TT, and … development teams, business users, and external vendors. Highly methodical with experience in ITIL frameworks, change management, and a focus on continuously improving systems and processes. Skilled in API onboarding, FIX messaging, market connectivity protocols, and supporting high-frequency trading platforms; able to work shifts and manage critical upgrades. Prior experience supporting clients in a technical advisory role, with More ❯
support-related responsibilities. This role will be working within the Front Office Teams and would requires someone with experience on Trading Platforms and preference to candidates with exposure to FIX Connectivity. Proficient in Windows and Linux/Unix environments with solid understanding of SQL, Oracle databases, and server-side infrastructure, including platforms like ION, IBM MQ, Deltix, TT, and … development teams, business users, and external vendors. Highly methodical with experience in ITIL frameworks, change management, and a focus on continuously improving systems and processes. Skilled in API onboarding, FIX messaging, market connectivity protocols, and supporting high-frequency trading platforms; able to work shifts and manage critical upgrades. Prior experience supporting clients in a technical advisory role, with More ❯
support-related responsibilities. This role will be working within the Front Office Teams and would requires someone with experience on Trading Platforms and preference to candidates with exposure to FIX Connectivity. Proficient in Windows and Linux/Unix environments with solid understanding of SQL, Oracle databases, and server-side infrastructure, including platforms like ION, IBM MQ, Deltix, TT, and … development teams, business users, and external vendors. Highly methodical with experience in ITIL frameworks, change management, and a focus on continuously improving systems and processes. Skilled in API onboarding, FIX messaging, market connectivity protocols, and supporting high-frequency trading platforms; able to work shifts and manage critical upgrades. Prior experience supporting clients in a technical advisory role, with More ❯
support-related responsibilities. This role will be working within the Front Office Teams and would requires someone with experience on Trading Platforms and preference to candidates with exposure to FIX Connectivity. Proficient in Windows and Linux/Unix environments with solid understanding of SQL, Oracle databases, and server-side infrastructure, including platforms like ION, IBM MQ, Deltix, TT, and … development teams, business users, and external vendors. Highly methodical with experience in ITIL frameworks, change management, and a focus on continuously improving systems and processes. Skilled in API onboarding, FIX messaging, market connectivity protocols, and supporting high-frequency trading platforms; able to work shifts and manage critical upgrades. Prior experience supporting clients in a technical advisory role, with More ❯
ll be working for a global financial services firm, supporting a wide range of front-office and post-trade systems with a particular focus on Surveillance, Trading, and Market Connectivity platforms. This is a role that sits at the sharp end of a high-performance trading environment — ideal for someone used to pressure, pace, and problem-solving. Everyone matters … be doing: Providing 2nd/3rd line support across trading, market data, and back-office systems Managing incidents, outages, and system upgrades within a regulated environment Supporting surveillance systems, FIXconnectivity, and trading infrastructure (TT, ION, Stellar, Deltix, etc.) Writing and deploying PowerShell scripts to automate daily tasks Leading vendor upgrades and mandatory exchange changes Working with stakeholders … live and efficient What you’ll need: Proven experience in Application Support within financial services Strong hands-on knowledge of Windows, Linux/Unix, SQL and Oracle Familiarity with FIX messaging, exchange connectivity and high-frequency trading systems Experience with platforms like ION Suite, ATEO, Stellar, IBM MQ, TT, Algorithmics Comfortable working under pressure in a trading floor More ❯
ll be working for a global financial services firm, supporting a wide range of front-office and post-trade systems with a particular focus on Surveillance, Trading, and Market Connectivity platforms. This is a role that sits at the sharp end of a high-performance trading environment — ideal for someone used to pressure, pace, and problem-solving. Everyone matters … be doing: Providing 2nd/3rd line support across trading, market data, and back-office systems Managing incidents, outages, and system upgrades within a regulated environment Supporting surveillance systems, FIXconnectivity, and trading infrastructure (TT, ION, Stellar, Deltix, etc.) Writing and deploying PowerShell scripts to automate daily tasks Leading vendor upgrades and mandatory exchange changes Working with stakeholders … live and efficient What you’ll need: Proven experience in Application Support within financial services Strong hands-on knowledge of Windows, Linux/Unix, SQL and Oracle Familiarity with FIX messaging, exchange connectivity and high-frequency trading systems Experience with platforms like ION Suite, ATEO, Stellar, IBM MQ, TT, Algorithmics Comfortable working under pressure in a trading floor More ❯
asset and fund management, private wealth, alternative investments, insurance, banking, and pension markets. Charles River IMS provides a comprehensive Order and Execution Management System (OEMS) seamlessly integrated with data, FIXconnectivity, and trade analytics. Extensive trade decision support capabilities help traders find liquidity, execute trades across all asset classes and currencies, and helps ensure trades are compliant. The … Charles River Network supports electronic trading via the FIX messaging protocol to over 600 global liquidity venues including brokers, multi-broker trading venues, crossing networks, broker algorithms, program desks, dark pools, smart order routers, ECNs, and ATSs. Full integration between the Charles River Network and Charles River IMS ensures fast and reliable direct access between Charles River clients, brokers … and trading venues. Charles River's FIX Administration team provides global, 24/7 support which helps simplify network operation and eliminates the need for FIX network management by the client. Charles River's continuous testing and certification of brokers and trading venues on Charles River Network ensures seamless connectivity and the highest level of reliability. Background More ❯
for a suite of e-trading applications in FX, Fixed Income, and Commodities Work shoulder-to-shoulder with traders, handling real-time pricing, trade flow, and latency issues Troubleshoot FIXconnectivity, API issues, and low-latency server-side problems Liaise directly with developers and vendors to resolve high-priority incidents Contribute to automation efforts using Python, Bash, or … Shell scripting What You’ll Bring: Strong experience in Linux, SQL, and scripting (Python, Shell, or Perl) Working knowledge of FIX protocols, market data flows, and front-office trade lifecycles Familiarity with FX products (spot, forwards, options) and E-Trading environments Comfort navigating production support environments – think outages, latency, pricing anomalies Previous exposure to tools such as Bloomberg, FXAll More ❯
for a suite of e-trading applications in FX, Fixed Income, and Commodities Work shoulder-to-shoulder with traders, handling real-time pricing, trade flow, and latency issues Troubleshoot FIXconnectivity, API issues, and low-latency server-side problems Liaise directly with developers and vendors to resolve high-priority incidents Contribute to automation efforts using Python, Bash, or … Shell scripting What You’ll Bring: Strong experience in Linux, SQL, and scripting (Python, Shell, or Perl) Working knowledge of FIX protocols, market data flows, and front-office trade lifecycles Familiarity with FX products (spot, forwards, options) and E-Trading environments Comfort navigating production support environments – think outages, latency, pricing anomalies Previous exposure to tools such as Bloomberg, FXAll More ❯
forwards, options, and market conventions. 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 FIXconnectivity troubleshooting. Excellent problem-solving skills and ability to work well under pressure in a fast-paced trading environment. Effective communication skills More ❯
intelligence to identify gaps and trends, or opportunities for product enhancements Experience managing and supporting sell-side accounts, brokers or central banks We'd love to see: Knowledge of FIXConnectivity and the following programming languages: Python, SQL and VBA Experience in data analytics tools; business intelligence tools or similar Interest in or experience of using data analytical More ❯
STEM-related subject. At least eight years of commercial Java experience. Experience working on the development of electronic trading software is required for this position. Java concurrency is essential. FIX Protocol - FIXConnectivity - ITCH experience - desirable. The team works closely with quants so ideally, the Java Software Engineer will see a future in quantitative engineering, statistical analysis More ❯
STEM-related subject. At least eight years of commercial Java experience. Experience working on the development of electronic trading software is required for this position. Java concurrency is essential. FIX Protocol - FIXConnectivity - ITCH experience - desirable. The team works closely with quants so ideally, the Java Software Engineer will see a future in quantitative engineering, statistical analysis More ❯
Software Engineer – Connectivity (FTE) Build the connections powering global trading Location: London or New York We’re seeking a skilled Connectivity Software Engineer to join our trading systems team. You'll play a critical role in integrating both digital asset and traditional exchanges into our platform —delivering robust, compliant, and high-performance connectivity. Why this role stands out … won’t just hook into APIs — you’ll own the full integration lifecycle, from architecture to deployment. Working across product, compliance, and engineering teams, you'll help define our connectivity strategy in an increasingly complex and fast-moving market landscape. What you’ll do Lead end-to-end integration of crypto and traditional exchanges Build and maintain resilient API … and FIXconnectivity across asset classes Automate and streamline onboarding and trading workflows Validate execution flows, order books, and settlement processes Monitor API performance and resolve issues in real time Deliver mission-critical systems in close collaboration with internal teams What you bring 7+ years in finance or fintech with strong trading infrastructure expertise Deep experience with exchange More ❯
City of London, Greater London, UK Hybrid / WFH Options
Radley James
Software Engineer – Connectivity (FTE) Build the connections powering global trading Location: London or New York We’re seeking a skilled Connectivity Software Engineer to join our trading systems team. You'll play a critical role in integrating both digital asset and traditional exchanges into our platform —delivering robust, compliant, and high-performance connectivity. Why this role stands out … won’t just hook into APIs — you’ll own the full integration lifecycle, from architecture to deployment. Working across product, compliance, and engineering teams, you'll help define our connectivity strategy in an increasingly complex and fast-moving market landscape. What you’ll do Lead end-to-end integration of crypto and traditional exchanges Build and maintain resilient API … and FIXconnectivity across asset classes Automate and streamline onboarding and trading workflows Validate execution flows, order books, and settlement processes Monitor API performance and resolve issues in real time Deliver mission-critical systems in close collaboration with internal teams What you bring 7+ years in finance or fintech with strong trading infrastructure expertise Deep experience with exchange More ❯