FIX Protocol Jobs in the City of London

1 to 25 of 50 FIX Protocol Jobs in the City of London

Business Analyst

City of London, London, United Kingdom
X4 Technology
grasp of financial regulations, especially MiFID II, EMIR, and FCA requirements. Technical & Analytical Skills: Proficiency with Python, SQL, and scripting languages (e.g., PowerShell, C#). Hands-on experience with FIX Protocol, messaging systems (e.g. multicast, TCP), and network debugging. Experience across Windows and Linux environments. Proven ability to work with instrument static data, market data systems, and OMS More ❯
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Python Developer

City of London, London, United Kingdom
mthree
IP networking, and large-scale 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 ❯
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Quantitative Developer

City of London, London, United Kingdom
Avenir Group
low-latency performance in a fast-paced trading environment. Utilise distributed computing and high-performance computing techniques to enhance algorithmic execution. Integrate with exchange APIs (REST/WebSocket/FIX) for real-time data processing and trading execution. Required Qualifications: Strong understanding of quant trading logic, market structure, and execution strategies. Proficiency in C++ and Python, with experience in More ❯
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Senior Software Engineer – Quant Full Stack & Infrastructure (Team Lead)

City of London, London, United Kingdom
Trireme
roadmaps. Collaborative mindset, capable of 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 Offer: Competitive compensation + performance More ❯
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Senior Software Developer with C# .Net and Fixed Income

City of London, London
Nexus Jobs Limited
Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred More ❯
Employment Type: Permanent
Posted:

2nd Level Application Support Engineer

City of London, London
Nexus Jobs Limited
production environments. Expedient deployment of new systems. Capacity planning and support for increasing volumes and business growth. Knowledge of networking and storage concepts. Escalate/follow-up on permanent fix for development related issues. Provide solutions for application automation. Manage communication of system and application outages to the end users whenever required. Resolve complex application and technical problems. Build … support of a real-time trading environment. Knowledge of support applications that use high-performance messaging/middleware. Strong analytical, and verbal and written communication skills. Strong Knowledge of FIX protocol. Java, C#, C++ development skills set, nice plus. Personal Attributes Good communication skills, including the ability to write clearly. Able to function effectively as a member of a More ❯
Employment Type: Permanent
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Application Specialist Solace

City, London, United Kingdom
Reed Talent Solutions
distributed systems, and security best practices. Experience with Scripting in Python and/or PowerShell for automation of deployment, monitoring, and alerting pipelines. Familiarity with trading infrastructures and protocols (FIX, Market Data, Order Entry), and the demands of high-frequency and algorithmic trading environments. Proficiency in Linux systems, containers, and cloud-native observability stacks. Desirable Skills: Experience with Corvil More ❯
Employment Type: Contract
Rate: GBP 650 - 700 Daily
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C++ Developer

City of London, London, United Kingdom
Allegis Global Solutions
knowledge of the design of 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 but not essential: Experience of More ❯
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C# Dot Net Software Developer with Fixed Income and FX

City of London, London
Nexus Jobs Limited
Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer with C# .net Fixed Income FX

City of London, London
Nexus Jobs Limited
Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred More ❯
Employment Type: Permanent
Posted:

Business Analyst

City of London, London, United Kingdom
Templeton & Partners - Innovative & Inclusive Hiring Solutions
Bloomberg, Refinitiv, and other market data platforms. Strong grasp of MiFID II, EMIR, MAR, and FCA regulations. Proficiency in Python, SQL, and scripting (e.g., PowerShell, C#). Experience with FIX protocol and trading platforms like TT, Bloomberg, NYFIX. Familiar with TCP/multicast and system deployment across Linux and Windows. Nice to Have Experience building or supporting algorithmic More ❯
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Senior Java Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
CipherTek Recruitment
Extensive experience with Core Java , 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 with both business and technology teams. Ability to thrive in a fast-paced, high-pressure More ❯
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Support Analyst-Trading Application Support

City of London, London, United Kingdom
Squarepoint
Squarepoint is a global investment management firm that utilizes a diversified portfolio of systematic and quantitative strategies across financial markets that seeks to achieve high quality, uncorrelated returns for our clients. We have deep expertise in trading, technology and operations More ❯
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FIX Support Analyst

City of London, London, United Kingdom
Hybrid / WFH Options
Artemis Talent Group Ltd
FIX Support Analyst Location: London Hybrid Salary: Up to £60,000 Skills: Integration Specialist, Project Manager, SQL, FIX, Swift, XML, JSON, Data Manipulation, Equities, Derivatives, FX, Rates, Fixed Income, Asset Management, Hedge Funds, BuySide About the Job A leading provider of trading solutions is looking for a skilled FIX Support Analyst for its Client Integration team. The … technical documentation and support internal teams. Resolve escalated issues effectively. Essential Skills 2+ years of integration or technical support experience. Strong SQL skills (data manipulation, optimization). Knowledge of FIX, XML, JSON. Understanding of financial markets (Equities, Derivatives, FX, Rates). Experience in client-facing roles. Preferred Skills Linux shell scripting, Perl FIXML and FIX Simulator Data analytics … e.g., Pentaho) Broker Algorithmic order flows Jira and Confluence proficiency This is an exciting opportunity for career growth within a dynamic financial technology firm. Integration Specialist, Project Manager, SQL, FIX, Swift, XML, JSON, Data Manipulation, Equities, Derivatives, FX, Rates, Fixed Income, Asset Management, Hedge Funds, BuySide More ❯
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Application Support Analyst

City of London, London, United Kingdom
Harrington Starr
be doing: Providing 2nd/3rd line support across trading, market data, and back-office systems Managing incidents, outages, and system upgrades within a regulated environment Supporting surveillance systems , FIX connectivity, and trading infrastructure (TT, ION, Stellar, Deltix, etc.) Writing and deploying PowerShell scripts to automate daily tasks Leading vendor upgrades and mandatory exchange changes Working with stakeholders across … live and efficient 🔧 What you’ll need: Proven experience in Application Support within financial services Strong hands-on knowledge of Windows, Linux/Unix, SQL and Oracle Familiarity with FIX messaging , exchange connectivity and high-frequency trading systems Experience with platforms like ION Suite, ATEO, Stellar, IBM MQ, TT, Algorithmics Comfortable working under pressure in a trading floor environment More ❯
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Application Support Analyst

City of London, London, United Kingdom
Hybrid / WFH Options
Harrington Starr
role with live impact Strong scripting skills in PowerShell or Python Excellent communicator who can document clearly and liaise with clients, dev teams, and exchanges Familiarity with ITIL processes, FIX messaging (nice to have), and trading protocols across asset classes This is a great opportunity for someone looking to take ownership of support in a high-visibility environment, where More ❯
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FX Liquidity Analyst

City of London, London, United Kingdom
FMX
with SQL, Excel, or BI tools for reporting is a plus Interest in working at the intersection of trading systems, data, and customer experience Bonus Points For: Experience with FIX protocol Building tools or scripts for use in trading operations or liquidity management Prior exposure to institutional client onboarding or connectivity testing More ❯
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Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
ViVA Tech Talent
office or trading environment . Strong understanding of tick data , time-series databases , and real-time market data . Experience working with global market data feeds (e.g., Bloomberg, Reuters, FIX, Kafka). Proficiency in performance tuning, memory management, and multi-threaded programming in KDB+ . Comfortable working in Agile/DevOps environments, including CI/CD pipelines. Familiarity with More ❯
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Software Engineer

City of London, London, United Kingdom
Cititec
build and support business-critical systems that handle real-time trade execution, messaging, and integration. This role focuses on developing high-performance services using the .NET framework, integrating with FIX protocols, and leveraging message queuing technologies such as RabbitMQ or Kafka. You’ll play a key role in improving trade flow automation and operational efficiency across the front-to … back lifecycle. Key Responsibilities: Design and develop .NET-based services that integrate trading systems using FIX Build and maintain messaging infrastructure using RabbitMQ, Kafka, or similar Develop robust APIs and services for trade capture, enrichment, and routing Work closely with traders, middle office, and risk to enhance STP and reconciliation workflows Support and optimise CI/CD pipelines (e.g. … DevOps) Troubleshoot and resolve production issues in a low-latency trading environment Required Experience: Strong development experience in C# and .NET Core/.NET Framework Hands-on experience integrating FIX protocols (e.g., QuickFIX/n, OnixS) Proficiency with message brokers (RabbitMQ, Kafka, MSMQ, etc.) Knowledge of STP, order lifecycle, and post-trade processing Familiarity with CI/CD tools More ❯
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Front Office Trading Technical Support

City of London, London, United Kingdom
Marlin Selection
external stakeholders, managing expectations throughout. 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 to team documentation and knowledge … a trading support or financial 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 multitasking and prioritizing in a More ❯
Employment Type: Permanent
Salary: £50,000
Posted:

Quality Assurance Engineer - Prestigious Global Hedge Fund - Top Tier Compensation Package!

City of London, London, United Kingdom
Mondrian Alpha
in Computer Science, Engineering, or 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 and systematic trading strategies intersect More ❯
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C# .NET Software Developer with FX

City of London, London
Nexus Jobs Limited
Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred More ❯
Employment Type: Permanent
Posted:

Java Software Engineer

City of London, London, United Kingdom
Miller Maxwell Ltd
STEM-related subject. At least eight years of commercial Java experience. Experience working on the development of electronic trading software is required for this position. Java concurrency is essential. FIX Protocol - FIX Connectivity - ITCH experience - desirable. The team works closely with quants so ideally, the Java Software Engineer will see a future in quantitative engineering, statistical analysis More ❯
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Senior Java Analyst Developer / Technical Consultant

City of London, London, United Kingdom
Hybrid / WFH Options
Quant Capital
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 ❯
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Trade Flow Support

City of London, London, United Kingdom
Peregrine
At Peregrine, were constantly seeking Specialist Talent that offer the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Project Change Professionals in large government organisations to Software Developers in the private sector More ❯
Employment Type: Permanent
Salary: £50,000
Posted:
FIX Protocol
the City of London
10th Percentile
£36,100
25th Percentile
£69,375
Median
£112,500
75th Percentile
£129,375
90th Percentile
£130,750