1 to 25 of 47 Part-Time FIX Protocol Jobs in London

nanosecond or microsecond-level precision. FIC or similar business knowledge: Strong understanding of FIC markets , including pricing, market-making, and order execution. Experience with FIX protocol , SBE Market Data Feeds (e.g., Refinitiv, Bloomberg), and LP connectivity . Networking: Deep knowledge of TCP/IP , UDP , multicast , and socket … programming for high-speed communication. Messaging Systems: Experience with low-latency messaging technologies such as Solace . Advanced experience with FIX Engines/Routers (Raptor, Catalyst, Chronicle, or similar tools). Distributed Systems: Experience with distributed computing , clustering , and scalability strategies . Additional Skills: Experience with Linux-based systems 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

/troubleshooting applications specifically in a Microsoft Azure environment (including SQL Azure, Web Apps, Service Bus) Azure DevOps Websockets/SignalR experience Experience with FIX protocol Package/Benefits: £100,000 - £120,000 Basic Salar 25 days annual leave A gym membership with one of our partnered gyms 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 ❯

years of experience in financial markets derivatives or trading technology Strong understanding of OTC Options RFQ workflows and electronic trading platforms Experience working with FIX protocol CitiVelocity and structured product booking mechanisms Proficiency in business analysis techniques requirement gathering and stakeholder communication Ability to work in fastpaced environments 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 ❯

then this is the role for you. Requirements Previous experience supporting trading environments including platforms and internal/external users Strong knowledge of Linux, FIX protocol and relational databases such as SQL Server Experience with OMS/PMS Ability to script in Python and/or Bash is More ❯

end applications in a fast-paced environment Knowledge of low-latency design principles and performance optimisation Experience with real-time data streaming technologies (WebSockets, FIX, TCP) Familiarity with OpenFin or other containerized front-end frameworks Proven ability to build responsive, high-performance UIs for trading environments Understanding of FX 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 ❯

a related technical field. Preferred Experience: Expertise with Pytest and Python-based automation tooling. Prior exposure to equities trading environments. Familiarity with KDB and FIX protocol testing. Experience testing front-end interfaces and GUIs. This is a rare opportunity to work in a high-performance environment where technology More ❯

time-series data and analytics Key Requirements: Strong experience with KDB+/q in a production environment Understanding of financial markets/trading systems (FIX, equities, FX, etc.) Solid grounding in software engineering principles (version control, testing, etc.) Clear communication and a consultative mindset Benefits: Exposure to elite clients More ❯

right person with an opportunity to progress. The role requires the following: Strong scripting experience within Python, BASH or Powershell. Excellent experience working with FIX Protocol. Great workplace experience within a Linux based environment. Excellent SQL exposure. Experience providing Application Support within a Trading environment. If you are looking More ❯