1 to 25 of 50 Permanent FIX Protocol Jobs in the South East

Skills: Technical Account Manager, TAM, EMS, OMS, PMS, Execution Management System, Portfolio Management System, Order Management System, Electronic Trading Workflows, Equities, Fixed Income, Derivatives, FIX, FIX Protocol, Linux, BuySide, Front Office Overview: Our client, a leading provider in Buy-side and hedge fund technology, offers a cutting … apply now. Technical Account Manager, TAM, EMS, OMS, PMS, Execution Management System, Portfolio Management System, Order Management System, Electronic Trading, Equities, Fixed Income, Derivatives, FIX, FIX Protocol, Linux, BuySide, Front Office More ❯

Technical Operations Engineer | Trading Systems Support | Unix/Linux, Python, FIX Protocol. A leading fintech firm is seeking a Technical Operations Engineer to provide 1st and 2nd line support for its critical trading systems and platforms. This is an exciting opportunity to work in a high-performance environment where … ensuring seamless operation and minimal downtime. Diagnose and resolve technical issues related to Unix/Linux environments , automation scripts in Python , and connectivity using FIX Protocol . Collaborate with internal teams to escalate and resolve complex system challenges. Monitor system performance, proactively identifying potential risks or bottlenecks. Contribute … Required Skills & Experience: Strong hands-on experience with Unix/Linux systems administration. Proficiency in Python for scripting and automation. In-depth understanding of FIX Protocol for trade messaging and connectivity. Ability to troubleshoot and resolve complex technical issues under pressure. Previous experience in a financial or trading More ❯

. Proven track record building real-time , low-latency , multi-threaded trading systems . Experience with exchange connectivity protocols (e.g., ICE, CME) Experience with FIX protocol/Connections (including FIX session and application layer development). Deep understanding of market data systems - acquiring, parsing, and manipulating data More ❯

The Role: The FIX Connectivity Engineer works part of a global operations team responsible for on-boarding and maintaining services for buy-sides/sell-sides on ION's FIX Network at an application level. These buy-sides/sell-sides use both ION trading solutions as well … application level connections between clients on the ION network To analyse, implement and certify new client/services on the ION network using the FIX protocol To liaise with clients, third party vendors, and internal teams regarding FIX-based projects To offer 3rd line support to the More ❯

focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with FIX protocol , SBE Market Data Feeds (e.g., Refinitiv, Bloomberg), and LP connectivity . Real time Messaging Systems: Experience with low-latency messaging technologies such … as Solace . Linux based systems, CI/CD pipelines, GitHub Actions, MyBatis, Maven Advanced experience with FIX Engines/Routers (Raptor, Catalyst, Chronicle, or similar tools). Distributed Systems: Experience with distributed computing , clustering , and scalability strategies . Soft Skills: Excellent communication and interpersonal skills to work effectively More ❯

design patterns and a strong grasp of software design principles . Experience working with low-latency/high-throughput messaging platforms . Familiarity with FIX API for exchange and venue connectivity is desirable. Exposure to relational and time series databases and proficiency in SQL/Q is advantageous. Scripting More ❯

and troubleshooting FAQs. • Resolve complex application and technical problems. • Debugging the system and fixing the production related issues. • Escalate/follow-up on permanent fix for development related issues. • Lead incident response efforts and post-mortem analysis to prevent future occurrences. • Handles complex operational tasks and recommends process and … services. • Strong experience in scripting language like Power shell, Python and SQL. • Strong Knowledge of monitoring tools – Nagios, Splunk, OTEL, Datadog • Strong Knowledge of FIX protocol • Strong Domain skills - Must have working experience in Capital Markets across modules and instruments especially – CASH, ETS, Bonds, Options, Futures, Swaps products More ❯

scalable, high availability, supportable distributed architectures. Working knowledge of messaging and communication protocols including TCP, UDP, multicast, and data encoding . Working knowledge of FIX and SBE protocol. Working understanding of SQL and simple DDL operations. Excellent oral and written communication skills, ability to interact with business representatives. Desirable More ❯

for 3rd line support Build and maintain automated/manual portal testing suite Create and maintain both client facing and internal technical documentation (Eg. FIX specs, Regulatory specs, Confluence pages, etc) Integrate internal systems across regions and maintain system configurations Requirements Bachelor’s Degree in Business, Finance, or Computer … financial markets and technology Ability to work in a fast-paced environment Strong computer skills and excellent organisational skills 3-5 years’ experience in FIX protocol Must be knowledgeable with Windows & Linux OS platforms, command line Candidate must have outstanding verbal and written communication skills, and demonstrate command More ❯

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 More ❯

Core Java 17+ Advanced low-latency development techniques (zero GC, copy-free) Performance tuning at JVM level, garbage collection (GC) , and OS-level optimization FIX protocol Experience with low-latency messaging technologies : Aeron, SBE, Protobuf, Agrona, Chronicle Functional understanding of financial markets, especially: FX products : Spot, Forward, NDF More ❯

subject. Strong knowledge of Linux/Unix environments Scripting experience - ideally Python Scripting experience. relational database experience (including SQL). Familiarity with trading systems , FIX Protocol , and the technical landscape of trading software. Excellent communication skills, with the ability to explain technical concepts to non-technical stakeholders. 🚀 Why More ❯

Cloud deployment (Azure, AWS, or GCP) Open to working with Python and React Desirable: Finance/trading experience React (Redux), Python, Docker, Azure DevOps, FIX protocol Websockets/SignalR, SQL optimisation Benefits: 25 days holiday, 7% pension, private health insurance £80/month gym benefit, life assurance Season More ❯

with who is eager to deepen their expertise in electronic trading operations across Equities and FX. Key responsibilities include: Managing client onboarding, account setup, FIX connectivity, and guiding certification processes. Monitoring live trading activity, platform performance, and ensuring smooth order and trade lifecycle events. Supporting regulatory and compliance workflows … years in trading operations or client support at an MTF, trading venue, or trading firm. Knowledge of European equities and FX markets. Familiarity with FIX protocol, market data feeds, and trading systems. Strong analytical and troubleshooting skills. Excellent communication skills. Experience with SQL, Grafana, or scripting languages like More ❯

Take ownership of your workload and contribute to team task distribution. Develop expertise in proprietary trading platforms, supporting issue replication and UAT testing. Troubleshoot FIX API connections and monitor trade flows and market data workflows. Support daily health checks and participate in platform testing and process improvement initiatives. Contribute … services environment (e.g. brokerage, exchange, investment bank). Familiarity with FX and Rates products (e.g. NDFs, Swaps, FXO, IRS, Gilts, EGBs). Experience with FIX protocol, Unix/Linux, and end-to-end trade lifecycle. Strong communication skills – able to bridge the gap between business and technology. Comfortable More ❯

skills. Must be logical, effective at triage, able to diagnose root causes, and escalate and follow-up as necessary. Knowledge of electronic trading and FIX protocol (preferred) Knowledge of Linux Strong SQL skills Proficiency in Microsoft Office applications Knowledge of Order Management Systems (OMS) and Market Structure (preferred … Knowledge of Remote Access products and products such as Citrix, Xen, Blade, VDIs Experience with desktop and trade floor moves and changes. Hardware break-fix Server room management PC build and rollout Market data applications experience, such as Bloomberg, Factset, Tradeweb, etc. General infrastructure knowledge, e.g., Cisco and Microsoft More ❯

skills. Must be logical, effective at triage, able to diagnose root causes, and escalate and follow-up as necessary. Knowledge of electronic trading and FIX protocol (preferred) Knowledge of Linux Strong SQL skills Proficiency in Microsoft Office applications Knowledge of Order Management Systems (OMS) and Market Structure (preferred … Knowledge of Remote Access products and products such as Citrix, Xen, Blade, VDIs Experience with desktop and trade floor moves and changes. Hardware break-fix Server room management PC build and rollout Market data applications experience, such as Bloomberg, Factset, Tradeweb, etc. General infrastructure knowledge, e.g., Cisco and Microsoft More ❯

such as Mathematics, Physics, Computer Science, or Financial Engineering. Experience with low-latency trading systems and real-time data processing. Familiarity with trading APIs, FIX protocol, and order management systems. More ❯

Cloud deployment experience ( Azure , AWS, or GCP) Comfortable working in Agile teams and communicating with traders Nice to Have: React (with Redux), Python, and FIX protocol experience Background in finance/trading systems Familiarity with Docker, SignalR, Azure DevOps, and SQL optimization If this role seems like a More ❯

of-contact in a highly technical environment (Nice-to-have) Experience supporting Electronic Trading Systems Strong knowledge of Electronic Trading Systems Strong knowledge of FIX Protocol Strong knowledge of the FX Trading space Experience supporting Linux Systems Strong skills with scripting languages like Python and Bash Experience with More ❯

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 More ❯

projects in the gas and power trading space. They are looking to bring on an experienced C# .NET Developer with proven knowledge of the FIX protocol to help build and scale a suite of high-performance trading applications. This is a rare chance to get in at the … technology teams to deliver low-latency, scalable trading solutions. Experience required: Strong hands-on experience with C#/.NET Solid hands on experience with FIX Protocols (connectivity, message handling, session management) Background in trading environments - ideally in commodities or energy Ideally, you'll have exposure to Oracle Familiarity with More ❯

allocation workflows in the Fidessa CTAC (Client Trade Allocation Confirmation), including but not limited to Investigating and troubleshooting: Middle Office allocation issues with CTM, FIX 4.4, Tag 1 pre-allocation, allocation templates and manual allocation workflows. blocks sent to the Fidessa CTAC by the upstream Fidessa global trading platforms. … and allocation workflows Experience with Fidessa CTAC module and Fidessa FDM Familiarity with CTM Trade Management, and Traiana Trade Reports a benefit Knowledge of FIX protocol and good SQL skills are strongly preferred Experience having technically supported a trading or allocation system, such as configuring layouts, updating registry More ❯

with writing low latency single and concurrent threaded applications Understanding of the C++ development life cycle and tooling on RHEL Linux Exposure to the FIX protocol Exposure to test-driven development Working practices are relaxed, as is the office environment. They want to get the best out of More ❯

services) supporting a one or combination of FX (NDF, SWAP, FWD, FXO), Rates (IRO, UK Gilts, EGBs. Inflation Swaps, IRS). • Supporting and troubleshooting FIX API connections/issues. • Raw server log interrogation and navigation around directories in a Unix/Linux environment. • End-to-end trade flow knowledge More ❯