1 to 25 of 58 FIX Protocol Jobs in the UK excluding London

clients to improve pricing and trading systems Help manage and enhance RFQ (Request for Quote) workflows Support system integration with platforms like CitiVelocity and FIX protocol Write clear business requirements and support testing Suggest ways to automate processes and make systems more efficient Provide training and help users … experience as a Business Analyst in capital markets or trading tech Knowledge of OTC options, RFQ workflows, and pricing systems Hands-on experience with FIX protocol and structured product booking tools Strong communication and problem-solving skills Understanding of automation and Straight-Through Processing (STP) is a bonus More ❯

Referment is partnering with a top-performing hedge fund that is seeking a Software Engineer with strong FIX connectivity experience to join their high-calibre Engineering team. This is an exciting opportunity to contribute to a world-class trading environment that values autonomy, innovation, and technical excellence. You will … of developers, building and supporting tools that underpin the fund’s trading and investment workflows, with a particular focus on trading systems integration and FIX protocol. This is a highly visible role, working closely with traders, portfolio managers, and other stakeholders to deliver robust solutions across the full SDLC. … Technologies & Platform: Core platform: .NET (C#), SQL Server, KDB+. UI: WPF desktop. Scripting/strategy layer: Python. Messaging and connectivity: FIX protocol, REST APIs. Key Responsibilities for the role include: Lead the implementation and enhancement of FIX connectivity solutions for trade execution and post-trade workflows. Collaborate 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 ❯

experienced Back End C# developer, especially with regard to delivery in a fast-paced, agile environment. C++ and Java development experience Experience with the FIX protocol and web services interfaces. Experience working with traders, quants, and risk managers in an investment banking environment. Strong understanding of SQL, RDBMS … and messaging middleware. More details available on application. Desired Skills and Experience C# C++ FIX FX Options Backend McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. 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 ❯

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 ❯

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 ❯

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 ❯

each platform and colleagues overseas Extensive experience with Python (3.x), including multi-threading and performance tuning Knowledge/Experience of implement software using the FIX protocol Knowledge/Experience of implement software using Java (Spring framework) Experience with Unix or Linux scripting Experience with testing frameworks, including Agile More ❯

testing framework Qualifications/Experience: Extensive experience with Python (3.x), including multi-threading and performance tuning Knowledge/Experience of implement software using the FIX protocol Knowledge/Experience of implement software using Java (Spring framework) Knowledge of the cash equities trading area including European market structure is 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 ❯

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 ❯

C#, ASP.NET, MVC, HTML, CSS, JavaScript, Entity Framework, SQL. Azure service bus. C++, FIX protocol, SignalR, RabbitMQ, Azure DevOps. This is a brilliant opportunity for a great client of ours based in South East England. Why are they great? They are a quality-driven development team focused on More ❯

handle high-pressure situations and make quick, informed decisions. Excellent communication skills and a proactive, problem-solving mindset. Prior experience with market data feeds, FIX protocol, or trading exchanges is a plus. More ❯

ITRS, Prometheus or similar) Working knowledge and experience working with SNMP and iLo protocols AWS-certified to SysOps Administrator level Basic knowledge of the FIX protocol and workflows Experience within MSSQL, Oracle or Sybase database environments Experience working within an ITIL framework, ideally with ITIL Foundation qualification Not 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 ❯

interfacing with multi-disciplinary teams. Nice to Have: Experience with Redis, Kafka, or similar real-time streaming/data platforms. Familiarity with financial APIs, FIX protocol, or trading exchange integrations. Education: Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or a related field. What We More ❯

Capital markets and/or financial services knowledge (e.g., trading, market data, protocols) is desired Experience with financial, transactional, or message-based systems (e.g., FIX, FIXFAST, SBE) is desired Experience building a traceability matrix Hands-on experience with continuous integration and continuous delivery (CI/CD) Strong test automation More ❯

eg React, Knockout and JQuery) Windows Forms (WinForms) and WCF Azure DevOps for work item management, source control and CI/CD PowerShell experience FIX experience, in particular using QuickFIX Send CV URGENTLY if interested . Rest assured that your application will be treated in the strictest confidence and More ❯

workflows in the Fidessa CTAC (Client Trade Allocation Confirmation), including but not limited to Investigating and troubleshooting: a. Middle Office allocation issues with CTM, FIX 4.4, Tag 1 pre-allocation, allocation templates and manual allocation workflows. b. blocks sent to the Fidessa CTAC by the upstream Fidessa global trading … 3. Experience with Fidessa CTAC module and Fidessa FDM 4. Familiarity with CTM Trade Management, and Traiana Trade Reports a benefit 5. Knowledge of FIX protocol and good SQL skills are strongly preferred 6. Experience having technically supported a trading or allocation system, such as configuring layouts, updating More ❯

we are looking for: 10-15 years hands-on Java experience. Experience building FX trading applications. Experience within High Frequency Trading environments. Understanding of FIX protocol, Low Latency & binary protocols for market data. Benefits details: 25 annual leave days + bank holidays. Performance bonus (20%+) 5% non More ❯

understating of a Windows environment, including Powershell, SQL Experience in a financial services firm/institution, ideally banking, investment banking and brokers. Knowledge in FIX messaging Knowledge of market connectivity protocols for key global derivative, commodity, cash and equity markets, Fixed Income and Prime Brokerage Experience in technical onboarding More ❯

the following: Very strong core Java - including threading, sockets/networks Well versed in TCP/UDP protocols Knowledge of financial messaging protocols especially FIX Solid SDLC knowledge and use of build, testing, deploy, code analysis tools Nice to have: KDB, Middleware’s such as Tibco RV, Solace Strong More ❯

sockets/networks br/li li Well versed in TCP/UDP protocols br/li li Knowledge of financial messaging protocols especially FIX br/li li Solid SDLC knowledge and use of build, testing, deploy, code analysis tools br/li li Nice to have: KDB More ❯

applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ), Repository (BitBucket), or Helm Charts would be highly regarded (not all More ❯