376 to 400 of 437 FIX Protocol Jobs in the UK

Skills & Experience Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data More ❯

Role: Contract Business Analyst (Exchange Trading) Domain: Energy & Commodities Trading Project: Trading Exchanges (Third Party Networks, OMS/EMS, FIX messaging) Location: London (hybrid) Rate: £800/d (inside IR35) Contract: 6 months (multi-year scope) X4 Technology are partnered with a global energy trading offering a contract Business Analyst (Exchange Trading) role on a high-profile, multi-year … aims to streamline the lifecycle of derivatives trading by automating execution, enhancing price transparency and improving customer experience. This specific project focuses on exchange connectivity, OEMS integration (Trading Technologies), FIX protocol implementation and market data integration to deliver a scalable, compliant trading infrastructure. Responsibilities of the Business Analyst (Exchange Trading) Leverage expertise in global future exchanges to gather … and clarify business requirements Serve as SME for trading exchange, OEMS, FIX protocol and market data integration Translate requirements into technical solutions across the project lifecycle Analyse and map RFQ, order and trade lifecycles to design solutions that enhance trading system quality and efficiency Liaise between business, development, QA, infrastructure and production support to ensure smooth delivery Troubleshoot More ❯

Role: Contract Business Analyst (Exchange Trading) Domain: Energy & Commodities Trading Project: Trading Exchanges (Third Party Networks, OMS/EMS, FIX messaging) Location: London (hybrid) Rate: £800/d (inside IR35) Contract: 6 months (multi-year scope) X4 Technology are partnered with a global energy trading offering a contract Business Analyst (Exchange Trading) role on a high-profile, multi-year … aims to streamline the lifecycle of derivatives trading by automating execution, enhancing price transparency and improving customer experience. This specific project focuses on exchange connectivity, OEMS integration (Trading Technologies), FIX protocol implementation and market data integration to deliver a scalable, compliant trading infrastructure. Responsibilities of the Business Analyst (Exchange Trading) Leverage expertise in global future exchanges to gather … and clarify business requirements Serve as SME for trading exchange, OEMS, FIX protocol and market data integration Translate requirements into technical solutions across the project lifecycle Analyse and map RFQ, order and trade lifecycles to design solutions that enhance trading system quality and efficiency Liaise between business, development, QA, infrastructure and production support to ensure smooth delivery Troubleshoot More ❯

global Futures & Options market structure, including exchanges, regulations (MiFID II, CFTC), and clearing processes. Expertise in electronic trading, including leading Futures & Options ISVs, vendor EMS products, client connectivity solutions, FIX Protocol, and algorithmic trading. Understanding of technology systems and platforms, including the integration and implementation of Order Management Systems. Skilled in leveraging technology to enhance trading performance and More ❯

software, DevOps, and cybersecurity. Architect for determinism: tight latency budgets, real-time observability, and synchronized timekeeping (e.g., PTP). Oversee development of client connectivity layers including native protocols and FIX gateways optimized for sub-microsecond response. Ensure robust pre-trade and post-trade risk controls are embedded without compromising latency or throughput. Drive integration with third-party clearing services More ❯

Social network you want to login/join with: 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 reliability … time support for trading systems, 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 to ongoing enhancements, automation, and … best practices in operational support. 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 environment is highly advantageous. Why More ❯

Social network you want to login/join with: 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 reliability … time support for trading systems, 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 to ongoing enhancements, automation, and … best practices in operational support. 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 environment is highly advantageous. Why More ❯

Job Description Job title: Junior Production & Integration Engineer Client: Elite FinTech Salary: £60,000-£90,000 Experience Level: 2-6 years Location: London Skills: Linux, Bash, Python, FIX, SQL, Front Office The role: My client is looking for a more Junior Engineer to join their team in a Front Office capacity. You will work with global teams on various … and development teams to define project scopes Identifying project issues/blockers Providing reporting to management Core skills required: Understanding of Front Office operations and Trade Flow Linux SQL FIX Protocol Bash or Python Please apply ASAP for more information. #J-18808-Ljbffr More ❯

experience in the product management of execution services. Deep understanding of execution algorithms, smart order routing (SOR), and liquidity aggregation across centralized exchanges and OTC desks. Experience working with FIX/WebSocket APIs, low-latency trading systems, and order management systems (OMS). Strong technical understanding of trading, market structures, and exchange connectivity. Ability to collaborate with quant teams More ❯

Computer Science with 5+ years experience using Python within Financial Services/Back Office environments Demonstrable experience processing large datasets (PostgreSQL and data frame) Exposure to trade booking/FIX protocol Ability to create scalable, geographically distributed and high availability architectures Background creating reporting and reconciliation applications Undertsanding of OTC products with CDS, Interest Rate Swaps, Variance Swaps … hugely beneficial The key skillset is Python, but your expertise should extend to managing large datasets with PostgreSQL, and you should be well-versed in trade booking using the FIX protocol. A deep understanding of trading, booking, and position keeping is essential, along with experience in scalable and high-availability architectures will be advantageous. You will be capable of More ❯

Computer Science with 5+ years’ experience using Python within Financial Services/Back Office environments Demonstrable experience processing large datasets (PostgreSQL and data frame) Exposure to trade booking/FIX protocol Ability to create scalable, geographically distributed and high availability architectures Background creating reporting and reconciliation applications Undertsanding of OTC products with CDS, Interest Rate Swaps, Variance Swaps … hugely beneficial The key skillset is Python, but your expertise should extend to managing large datasets with PostgreSQL, and you should be well-versed in trade booking using the FIX protocol. A deep understanding of trading, booking, and position keeping is essential, along with experience in scalable and high-availability architectures will be advantageous. You will be capable of More ❯

Support team at another financial services firm within Fixed Income (ideally Rates). Previous experience supporting vendor platforms (ION, Murex, Bloomberg) Previous experience in the following technologies: Unix, SQL, FIX Experience of technical support across a demanding user base in Fixed Income. The company are operating a hybrid way of working. You will be expected to work in the More ❯

Support team at another financial services firm within Fixed Income (ideally Rates). Previous experience supporting vendor platforms (ION, Murex, Bloomberg) Previous experience in the following technologies: Unix, SQL, FIX Experience of technical support across a demanding user base in Fixed Income. The company are operating a hybrid way of working. You will be expected to work in the More ❯

Support team at another financial services firm within Fixed Income (ideally Rates). Previous experience supporting vendor platforms (ION, Murex, Bloomberg) Previous experience in the following technologies: Unix, SQL, FIX Experience of technical support across a demanding user base in Fixed Income. The company are operating a hybrid way of working. You will be expected to work in the More ❯

supporting go-live scenarios and projects. You will have: Experience working in Linux environments A strong understanding of application architecture Knowledge of relational databases and querying (SQL, Postgres, etc.) FIX protocol skills (highly desirable) An engaging personality! The organization is a leading FinTech firm globally, offering: Stunning office environments Generous benefits and bonus packages Excellent long-term career More ❯

meetings. Manage integration projects from start to finish. Provide technical documentation and support internal teams. Resolve escalated issues effectively. 2+ years of integration or technical support experience. Knowledge of FIX, XML, JSON. Understanding of financial markets (Equities, Derivatives, FX, Rates). Experience in client-facing roles. Preferred Skills FIXML and FIX Simulator Data analytics tools (e.g., Pentaho) Broker More ❯

meetings. Manage integration projects from start to finish. Provide technical documentation and support internal teams. Resolve escalated issues effectively. 2+ years of integration or technical support experience. Knowledge of FIX, XML, JSON. Understanding of financial markets (Equities, Derivatives, FX, Rates). Experience in client-facing roles. Preferred Skills FIXML and FIX Simulator Data analytics tools (e.g., Pentaho) Broker More ❯

technical capabilities of the product, providing solution(s) for any gaps in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 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 necessary). Good knowledge of More ❯

determinism, and reliability are paramount. Key Responsibilities: Design and implement high-performance C++17/20 components for ETF quoting, hedging, and execution systems. Build and maintain market connectivity layers (FIX, binary protocols, multicast) for ETF venues and exchanges. Develop real-time pricing engines for ETF baskets, including NAV tracking, fair value modeling, and arbitrage logic. Engineer deterministic, lock-free … free, wait-free), and template metaprogramming. Proven experience in low-latency trading systems, preferably in ETFs, equities, or delta-one products. Strong knowledge of networking protocols (TCP/UDP, FIX, multicast), kernel bypass, and hardware timestamping. Experience with real-time market data processing, order book construction, and tick-to-trade pipelines. Experience with exchange simulators, backtesting frameworks, and latency More ❯

automate software configuration. Maintain market connectivity and communicate with exchanges. Collaborate with global teams and document procedures. Requirements: Strong troubleshooting skills and experience with high-performance applications. Knowledge of FIX protocol, scripting, SQL, and Linux & Windows support. Experience with electronic trading systems and network communications. Flexible work schedule with rotating on-call coverage. #J-18808-Ljbffr More ❯

logs, etc.) Experience building systems with sub-millisecond latency targets . Strong exposure to low-latency messaging technologies (e.g. Aeron , Chronicle Queue, SBE, UDP multicast). Market connectivity (e.g. FIX, exchange/broker APIs) experience. More ❯

logs, etc.) Experience building systems with sub-millisecond latency targets . Strong exposure to low-latency messaging technologies (e.g. Aeron , Chronicle Queue, SBE, UDP multicast). Market connectivity (e.g. FIX, exchange/broker APIs) experience. More ❯

management skills . Communicate effectively with technical and non-technical colleagues. Required Technical Skills: Strong programming skills in Python or another scripting language. Experience with SQL databases. Knowledge of FIX Protocol . Familiarity with DevOps practices, CI/CD pipelines, and automation tools . Why Join? Work in a prestigious and highly profitable hedge fund , offering excellent compensation More ❯

skills . Communicate effectively with both technical and non-technical colleagues. Required Technical Skills: Strong programming skills in Python or another scripting language Experience with SQL databases Knowledge of FIX Protocol Familiarity with DevOps practices, CI/CD pipelines, and automation tools Why Join? Work in a prestigious and highly profitable hedge fund , offering some of the best More ❯

scripts, and cases. Define testing scope and objectives across all levels. Work independently, taking ownership to ensure product quality. Understanding of the Software Development Lifecycle (SDLC). Knowledge of FIX messaging protocol. Experience with test automation and frameworks for automated testing. #J-18808-Ljbffr More ❯