1 to 25 of 39 FIX Protocol Jobs

FIX Support Engineer Analyst - Equities

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
FIX Support Engineer Analyst - Equities Hybrid - 4 days per week in office - Location: Central London About the Role We are seeking an experienced Lead Support Analyst to join a high-performing Global FIX Connectivity team supporting mission-critical trading systems across Global teams. This is a hands … client execution , ensuring seamless connectivity between clients, brokers, vendors, and exchanges. If you thrive in fast-paced trading environments and bring deep expertise in FIX protocol, equities trading, and OMS platforms , this is an excellent opportunity to take ownership and lead from the front. Key Responsibilities Provide front ...

Sr Lead Software Engineer - F and O Execution Data Team

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
certification or related credentials Electronic trading and market data feeds Familiarity with the Equities trading stack and Futures & Options market structure Trading data or FIX-adjacent data pipelines Demonstrated experience using enterprise-authorized AI capabilities within the work environment to support data engineering workflows with strong validation habits ...

Connectivity and Messaging Engineer

Hiring Organisation
Appcast
Location
London, UK
practically all application in our IB trading stack to talk to each other in a flexible, reliable and secure manner. ULTRA also provides our FIX based client and exchange connectivity. What will you do Working on ULTRA puts you right into the middle of IB engineering life … review, full automated testing, release and familiarity with the processes and tools this typically includes (CI/CD pipelines etc)Profound understanding of the FIX protocol and how FIX engines generally work TCP/IP, UDP – good understanding of IP networks, such as routing tables, subnets, BGPWorking ...

Production Engineer

Hiring Organisation
Appcast
Location
London, UK
drive operational excellence, mentor junior team members, and take ownership of complex issues across our trading platform. You will leverage deep expertise in FIX, Linux, Windows Server, DevOps, databases, networking, and cloud technologies to ensure platform reliability and performance.This is a hands-on leadership role involving complex troubleshooting across … successful candidate should possess a positive 'can-do' attitude and an intuitively high level of customer service in their approach. This will complement strong FIX, database (SQL, Sybase or Oracle), Linux, understanding of cloud-based technologies, Windows and Networking troubleshooting skills, along with a proven ability to lead ...

Principal Engineer

Hiring Organisation
Wells Fargo
Location
London, UK
Employment Type
Full-time
workflowsHands‐on experience with Java in performance‐critical systems (with exposure to Python and/or C++ as applicable)Desired Qualifications:Deep experience with FIX protocol, ECN connectivity, market data feeds, and exchange/broker integrationsProven ability to operate as an individual contributor technical lead, owning architecture … practicesExperience integrating Large Language Models (LLMs) in enterprise environments, with emphasis on governance, traceability, and controlled usageFamiliarity with agentic AI workflow and Model Context Protocol (MCP)–based SDLC is a strong plusJob Expectations:This position offers a hybrid work scheduleThis position is not eligible for Visa sponsorshipRelocation assistance ...

Application Support, Charles River Development, Assistant Vice President

Hiring Organisation
Appcast
Location
London, UK
front-office or buy-side investment management environments.Experience troubleshooting enterprise software and configurable SaaS platforms.Experience investigating workflow, integration, reconciliation, or data-related issues.Knowledge of FIX protocol, market data, interfaces, and financial system integrations.Experience performing structured root-cause analysis.Financial certifications such as CFA, IMC, Claritas, or CISI.TechnicalEssential:Experience with ...

Electronic Trading Product Manager, Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
solutions.Technical proficiency sufficient to engage credibly with engineering and quantitative teams; hands-on experience with q/KDB is advantageous, as is familiarity with FIX protocol and trade lifecycle.Proven track record of managing complex, cross-functional programmes in a global investment banking environment, with the ability to prioritise ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
latency financial systems. Deep understanding of performance optimisation, concurrency and JVM internals. Experience working on pricing, risk or electronic trading platforms. Knowledge of FIX protocol, order routing and broker connectivity highly beneficial. Strong mathematical and problem-solving mindset. Experience across asset classes such as FX, Equities, Commodities ...

Senior C++ Developer (with Market Data experience)

Hiring Organisation
Appcast
Location
London, UK
OpenOnload) helpful but not required. Experience in financial markets, market data distribution, order routing, or exchange connectivity. Familiarity with common market data protocols (e.g., FIX, MDP, ITCH, proprietary exchange feeds) is a plus. Experience with multicast, low latency networking, and clock synchronization (e.g., PTP). Exposure to hardware aware ...

Lead Site Reliability Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Skills: Strong hands on experience in front office trading environments or similarly high pressure, low latency domains. Proficiency with SRE tooling and techniques, including FIX messaging, Kafka, Grafana, Splunk, ITRS Geneos, Dynatrace, InfluxDB, MQ (IBM MQ or similar), Oracle DB Demonstrated experience using enterprise-authorized AI capabilities within ...

Senior DevOps Engineer

Hiring Organisation
Shell
Location
London, UK
Employment Type
Full-time
analyze complex data sets and propose innovative solutions.Must have strong technical skills in scripting, Python, PowerShell, C#, SQL or other programming languagesSubstantial solid relevant FIX Engineering experienceProven experience with exchange and vendor certificationKnowledge of Third-Party Networks and EMS/OMS software vendors. (e.g., TT, NYFIX, Bloomberg, TradingScreen)Experience ...

Senior Java Developer - London - Fintech

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
flagship high-performance messaging infrastructure. Hydra - our developer framework for accelerating the development and delivery of trading systems. Artio - our market-leading open-source FIX engine. Aeron Sequencer - replicated state machines at scale. YOU ARE: A great team player who loves sharing knowledge and learning from others A problem ...

Senior Java Developer - London - Fintech

Hiring Organisation
Adaptive Financial Consulting
Location
London, UK
Employment Type
Full-time
Aeron - our flagship high-performance messaging infrastructure.Hydra - our developer framework for accelerating the development and delivery of trading systems.Artio - our market-leading open-source FIX engine.Aeron Sequencer - replicated state machines at scale.YOU ARE: A great team player who loves sharing knowledge and learning from othersA problem solver with strong ...

Technical Architect FX FI Front Office

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
privately owned debt and VC free entity so equity is a serious option.My client is based in LondonTechnical Architect, Electronic trading consultant – FIX, Index, Benchmark, Latency, Infrastructure, Technical Architecture ...

Feature Lead - Technology

Hiring Organisation
Bank of America
Location
Bromley, Greater London, UK
Employment Type
Full-time
engines.Must understand and have experience building out D2D, D2C and bilateral eTrading connectivity.Highly proficient in Java/Spring with expertise in developing FIX trading solutions.Experience working with trading desks, strategists & quants for L3 support on production trading systems as well as requirements gathering/solution design for new build.Experience ...

JAVA DEVELOPER - LONDON - CONTRACT OUTSIDE IR35 - FINTECH

Hiring Organisation
Adaptive Financial Consulting
Location
London, UK
Employment Type
Full-time
especially in cloud-based environments and by using event driven architecture patterns.Experience of the Fintech industryYOU HAVE: Experience in Java, Spring, Cucumber, JUnit, GitHub, Fix Protocol Significant professional server-side software development experienceGeneral familiarity with data structures such as sets, hashes, caches etcExperience developing Front Office financial systems … Trading and FIX, Experience using messaging technologies such as AeronExperience in delivering OMS/EMS/Exchange systemsExposure to equities trading & brokerage Solid experience programming using Core Java. Min Java 8 required; Java 11+ exposure is a plusGeneral knowledge of data injection/inversion of controlExperience working ...

Senior Product Manager

Hiring Organisation
Metrics Recruitment
Location
City of London, London, United Kingdom
cybersecurity standards. Use Python for automation, prototyping, and light data analysis as needed. Ensure integration with market data feeds and execution systems using the FIX protocol. Maintain a focus on system latency, ensuring low-latency execution pathways and minimizing delays across the platform. Required Qualifications Demonstrated experience owning … secure APIs. Experience managing full-stack product development with a focus on scalability and performance, including latency-critical systems. Hands-on experience with the FIX protocol and electronic trading systems. Prior experience building trading platforms or single dealer platforms. Knowledge of crypto markets, blockchain infrastructure, and DeFi protocols. ...

Director of Technology, FX Execution Services - Talent Pool

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Front office trading systems Low latency trading experience Co-location Infrastructure knowledge Experience working with high performance messaging systems Hands on development with FIX APIs At BNY, our culture speaks for itself, check out the latest BNY news at: BNY Newsroom BNY LinkedIn Here ...

ION SME/Application Support Engineer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 1,000 - 35,000 Daily
Skills: ION Trading Platform, ION MMI, ION MDATA, PXE, Trading Tools, VMO/VMQ, RFP Gateway, STP Server, Linux, SQL/Sybase, TCL Scripting, FIX Protocol, Bloomberg, Tradeweb, MarketAxess, BrokerTec, MTS, JIRA ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
South West London, London, United Kingdom
Employment Type
Permanent
including: Financial services or electronic trading platforms Sports betting, iGaming or wagering technology Trading or market data systems Low-latency applications and streaming architectures FIX Protocol or electronic trading integrations (particularly for candidates from financial services) What's on Offer? Competitive salary based on experience ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
environments, including: Sports betting, iGaming or wagering technology Trading or market-data platforms Low-latency or high-throughput applications Streaming and event-driven architectures FIX Protocol or electronic trading integrations Financial services or electronic trading You don't necessarily need experience in every area, what's important ...

Director, Full-Stack Engineer (10x)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Front office trading systems Low latency trading experience Co-location Infrastructure knowledge Experience working with high performance messaging systems Hands on development with FIX APIs At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company ...

Solution Engineer (Aeron and Capital Markets)

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
building solutions within these domains: Order Management Systems Execution Management Systems Smart Order Routing Trading Venues & Exchanges Matching Engines Algo Containers Risk Management FIX Gateways Experienced in working within an Agile environment and following a mature SDLC. Experience with Distributed Systems and Consensus Algorithms Experience with Event-driven architecture ...

Project Manager Business Change Financial Technology

Hiring Organisation
Appcast
Location
London, UK
management space. They are a privately owned debt and VC free.My client is based in LondonProject Manager, Business Change, Asset Management, Electronic trading consultant – FIX, Index, Benchmark, Latency, Infrastructure ...

C# Dot Net Software Developer with Fixed Income and FX

Hiring Organisation
Appcast
Location
London, UK
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 protocolKnowledge of FX trade processingBasic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given)Qualifications: Computer Science related ...