301 to 325 of 419 FIX Protocol Jobs in London

applications in a financial services environment Strong Linux skills and comfort working in command-line environments Understanding of market data and/or order data systems, including protocols like FIX or exchange-native formats Strong analytical and problem-solving mindset Ability to navigate or debug object-oriented code (Java and Python preferred) Familiarity with version control tools (Git or More ❯

SRE, DevOps Position 2+ years in a leadership or senior engineering capacity Skills: Strong Python programming skills Proficiency in SQL and data analytics tools (e.g., Sigma, Snowflake) Experience with FIX protocol and market data analysis proficient in AWS, Kubernetes, monitoring tools (Datadog, Prometheus, Grafana), and automation frameworks (Terraform, Ansible, Pulumi) For more information, please apply with a relevant More ❯

in dynamic, fast-paced environments Bonus but not essential: Financial markets knowledge—strong technical chops matter most Stand outs if you have worked with but not essential: SBE Aeron Fix Protocol and Equities What’s On Offer: Base salary: £150k - £200k GBP Meaningful equity stake + cash bonus Comprehensive benefits (healthcare, pension, wellness allowance) Hybrid work model, generous More ❯

in dynamic, fast-paced environments Bonus but not essential: Financial markets knowledge—strong technical chops matter most Stand outs if you have worked with but not essential: SBE Aeron Fix Protocol and Equities What’s On Offer: Base salary: £150k - £200k GBP Meaningful equity stake + cash bonus Comprehensive benefits (healthcare, pension, wellness allowance) Hybrid work model, generous More ❯

in dynamic, fast-paced environments Bonus but not essential: Financial markets knowledge—strong technical chops matter most Stand outs if you have worked with but not essential: SBE Aeron Fix Protocol and Equities What’s On Offer: Base salary: £150k - £200k GBP Meaningful equity stake + cash bonus Comprehensive benefits (healthcare, pension, wellness allowance) Hybrid work model, generous More ❯

applications in a financial services environment Strong Linux skills and comfort working in command-line environments Understanding of market data and/or order data systems, including protocols like FIX or exchange-native formats Strong analytical and problem-solving mindset Ability to navigate or debug object-oriented code (Java and Python preferred) Familiarity with version control tools (Git or More ❯

as Senior Developer around digital 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 necessary). Good knowledge of More ❯

as Senior Developer around digital 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 necessary). Good knowledge of More ❯

as Senior Developer around digital 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 necessary). Good knowledge of More ❯

as Senior Developer around digital 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 necessary). Good knowledge of More ❯

Excellent written and verbal communication skills We would love to see: Bachelor's degree in Accounting, Finance, Computer Sciences, or related fields Knowledge of Market Data connectivity Knowledge of FIX and/or other message protocols Experience working with Market Data entitlements Does this sound like you? Apply if you think we're a good match! We'll get More ❯

is highly desirable. Project Portfolio Management: Proven experience managing multiple projects simultaneously, particularly in delivering financial sector technology projects. Technical Skills: Knowledge of messaging technologies and product integration, including FIX, REST, XML, SOAP. Problem-Solving Skills: Strong abilities to resolve technical challenges, issues, and make data-driven decisions. Leadership and Ownership: Demonstrated ability to motivate and manage project teams More ❯

technical dependencies and recommend appropriate solutions. • Work alongside developers throughout the firm to design, build, test and deploy custom solutions. • On-board client and broker connections to our FlexLINK FIX network. • Implement and test new FX liquidity providers onto the FlexTrade liquidity aggregation engine. • Work with teams across the firm to continually improve the product, and drive future innovation. More ❯

APIs. Expertise in Golang or other structured languages (C#, C++, Rust). Experience working in cloud and containerized environments. Proficiency in building and using REST, WebSockets, and/or FIX-based APIs. Strong knowledge of data structures and algorithms. Excellent software design and debugging skills. Bachelor's degree or relevant work experience in Computer Science, Mathematics, Electrical Engineering, or More ❯

modelling experience within the financial services industry working on large scale data migration programmes Good understanding of financial reference data and experience with FS industry standard models (e.g. fpML, FIX, FIBO) is highly preferred Data modelling skills and a solid understanding of the difference between conceptual, logical and physical models Stakeholder Management experience and skills - able to converse with More ❯

technical dependencies and recommend appropriate solutions. Work alongside developers throughout the firm to design, build, test and deploy custom solutions. On-board client and broker connections to our FlexLINK FIX network. Implement and test new FX liquidity providers onto the FlexTrade liquidity aggregation engine. Work with teams across the firm to continually improve the product, and drive future innovation. More ❯

designed client-facing APIs Golang expertise or other structured languages (C#, C++, Rust) Worked in cloud and containerised environments. Proficient in building and using REST, WebSockets, and/or FIX-based APIs Strong knowledge of data structures and algorithms Excellent software design and debugging skills Bachelor's degree or relevant work experience in Computer Science, Mathematics, Electrical Engineering or More ❯

Qualifications: 3+ years of expert-level C++ on Linux in trading, HFT, or real-time systems Proven track record of shipping mission-critical, latency-sensitive software Deep experience with FIX, binary protocols, and market data ingestion Obsession with performance, minimalism, and elegant code More ❯

Qualifications: 3+ years of expert-level C++ on Linux in trading, HFT, or real-time systems Proven track record of shipping mission-critical, latency-sensitive software Deep experience with FIX, binary protocols, and market data ingestion Obsession with performance, minimalism, and elegant code More ❯

Qualifications: 3+ years of expert-level C++ on Linux in trading, HFT, or real-time systems Proven track record of shipping mission-critical, latency-sensitive software Deep experience with FIX, binary protocols, and market data ingestion Obsession with performance, minimalism, and elegant code More ❯

Qualifications: 3+ years of expert-level C++ on Linux in trading, HFT, or real-time systems Proven track record of shipping mission-critical, latency-sensitive software Deep experience with FIX, binary protocols, and market data ingestion Obsession with performance, minimalism, and elegant code 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 FIX Connectivity 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 tools More ❯

technology implementation projects Knowledge of the Institutional derivatives business area preferable Relevant experience supporting Institutional electronic trading business Experience in Web Services/API’s platform Excellent understanding of FIX desirable Established interest and awareness of financial markets Ability to build solid working relationships with key stakeholders internal and externally Commercially and strategically minded with a strong focus on More ❯

Understanding of database technologies like PostgreSQL/Timescale and MySQL. Familiarity with messaging systems like RabbitMQ and real-time technologies like SignalR. Knowledge of API development and integration (REST, FIX Protocol). Nice to have: DevOps experience with Azure and Terraform (Infrastructure as Code). Previous exposure to trading operations, especially derivatives, spreads, options, and futures across the More ❯

more of the following applications is desirable and indicative of the right type of experience: Trayport GlobalVision/Joule, Updata, GMSL ENOM/CodeRunner/EuroRunner, ICE/OnixS FIX Engine. Experience in Azure App Insights is desirable. Person specification Excellent communication and interpersonal skills, with an ability to communicate effectively and professionally. Take ownership of Incident resolution end More ❯