1 to 25 of 61 FIX Protocol Jobs

Senior Rapid Application Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
bottlenecks. Experience building test infrastructure: Previous work on test frameworks, load testing suites, or performance benchmarking systems. Capital markets knowledge: Familiarity with exchange technology, FIX protocols, market data formats, or trading workflows. Docker/containerization basics: Growing relevance for deployment and testing. QuestDB or Dolt: Time-series or version ...

Senior QA Engineer

Hiring Organisation
Balyasny Asset Management
Location
London, UK
Employment Type
Full-time
side environments. Familiarity with common financial asset classes (equities, futures, options, fixed income, FX, etc.) and associated order types and workflows. Experience working with FIX protocol, including building or using FIX simulators for testing message flows is a plus. Ability to design and execute test scenarios ...

Senior Software Engineer C++

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Linux systems. Good understanding of modern development best practices and methodologies Python. Git. SQL. Knowledge of capital markets technologies, protocols, and standards such as FIX and SBE. Most importantly, a drive to solve complex technological and trading problematics with a great team of talented developers. Desired Skills/Experience ...

C++ Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
derivatives is a plus) Desired Skills/Experience Knowledge of capital markets exchange connectivity on fixed income and derivatives) Exchange protocols such as FIX and SBE. Some understanding and usage of cloud technology is a plus but not mandatory. ...

Senior C++ Engineer

Hiring Organisation
EPAM Systems Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
open and collaborative environment. Responsibilities Develop software that communicates with exchanges via APIs, handling market data and order transmission using protocols such as FIX, Websocket, or HTTP Ensure software quality by utilizing, maintaining, and extending testing suites Optimize exchange communication through Kernel bypass and connection handling Research exchange behavior ...

Lead Software Engineer - Equities - VP

Hiring Organisation
Morgan Stanley
Location
London, UK
Employment Type
Full-time
applicationsGood Linux fundamentalsInterest in developing systems for automated market making, DMA or algo trading group in liquid markets (equities, FX, liquid rates, etc.) using FIX protocolExperience with web service development, REST, TypeScript knowledge with preferably Angular frameworkExperience with low-latency messaging middleware pub/sub technologies. Experience of time ...

Middleware Production Support Analyst

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
Querying Windows Server Environment Application Production Support Incident & Problem Management Monitoring & Alerting Tools Desirable Linux Control-M/Autosys Middleware Technologies XML/FIX Messaging We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. ...

Middleware Production Support Analyst

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day
Querying Windows Server Environment Application Production Support Incident & Problem Management Monitoring & Alerting Tools Desirable Linux Control-M/Autosys Middleware Technologies XML/FIX Messaging We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. ...

Product Support, Charles River Development, Officer

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
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 ...

Senior C++ Engineer

Hiring Organisation
EPAM Systems
Location
London, UK
Employment Type
Full-time
open and collaborative environment. ResponsibilitiesDevelop software that communicates with exchanges via APIs, handling market data and order transmission using protocols such as FIX, Websocket, or software quality by utilizing, maintaining, and extending testing suitesOptimize exchange communication through kernel bypass and connection handlingResearch exchange behavior to align platform operationsImplement solutions ...

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 Production Support Engineer

Hiring Organisation
MarketAxess
Location
London, UK
Employment Type
Full-time
skills. Strong interpersonal and communication skills. Experience with high-speed, high-volume transactional trading systemsStrong Python, Linux/Bash, SQL, and XML skillsExperience using FIX Protocol What You Can Expect from Us Central Location: based at our city offices near St Paul's. Free Food: We provide lunch ...

Middleware Production Support Analyst

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
Autosys or Control-M . Experience with monitoring solutions such as Splunk, LogicMonitor, SCOM , or similar. Knowledge of messaging and data formats including FIX, XML, and fpML . Basic SQL skills for investigation and support activities. Experience with change management, software releases, and production deployments. Strong problem-solving, stakeholder ...

Middleware Production Support Analyst

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day
Autosys or Control-M . Experience with monitoring solutions such as Splunk, LogicMonitor, SCOM , or similar. Knowledge of messaging and data formats including FIX, XML, and fpML . Basic SQL skills for investigation and support activities. Experience with change management, software releases, and production deployments. Strong problem-solving, stakeholder ...

Lead DevOps Engineer

Hiring Organisation
EPAM Systems Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
performance testing strategies for low-latency trading platforms Optimize processes for compliance and audit readiness, including regulatory standards (RTS6) Provide subject matter expertise for FIX connectivity, market data distribution and vendor integrations Drive continuous improvement and technical initiatives to reduce operational risks and technical debt Participate in on-call … rotation for global trading infrastructure support Requirements Minimum 6+ years of experience in supporting trading systems in Front Office environments Proven expertise in FIX protocol engineering and vendor/exchange certification Strong hands-on skills in Python, PowerShell and Scripting for automation tasks Familiarity with C# and relational ...

Senior Java Developer - NYC - Fintech

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
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 DevOps Engineer : Energy Trading

Hiring Organisation
Eaglecliff Recruitment
Location
London, UK
Employment Type
Full-time
sets and propose innovative solutions. Must have strong technical skills in scripting, Python, PowerShell, C#, SQL or other programming languages 8 years+ solid relevant FIX Engineering experience Proven experience with exchange and vendor certification Knowledge of Third Party Networks and EMS/OMS software vendors. (e.g., TT, NYFIX, Bloomberg ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
trading Market-data systems Low-latency financial technology High-performance distributed systems Candidates from financial markets are particularly relevant where they have experience with FIX Protocol, electronic trading or real-time market-data systems . A strong mathematical or quantitative background will be highly valuable. ...

Senior Java Developer – London – Fintech

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
25+ is a plus General familiarity with data structures such as sets, hashes, caches etc Experience developing Front Office financial systems, E-Trading and FIX Experience in delivering OMS/EMS/Exchange systems Exposure to equities trading & brokerage General knowledge of data injection/inversion of control Experience ...

Fixed Income Application Support Specialist

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
production support and monitoring for Fixed Income eTrading applications and associated services. Support electronic trading workflows, including RFQ processing, orders and trades, FIX connectivity, market data and STP. Work directly with electronic trading venues and external vendors to investigate connectivity, application and production issues. Troubleshoot application, server, network … Capital Markets. Good understanding of electronic trading workflows and the trade lifecycle, particularly RFQ, orders, trades, pricing, market data and STP. Practical understanding of FIX protocol and electronic venue connectivity, including troubleshooting connectivity and message-flow issues. Experience working with electronic trading venues, application vendors and internal technical ...

Technical Business Analyst - Trading Platforms

Hiring Organisation
Computer Futures
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £900/day
aggregation platforms, third-party networks, and EMS/OMS vendors is essential. Strong technical skills in scripting, Python, PowerShell, C#, SQL, and experience with FIX engineering, messaging systems, and debugging network protocols are required. Excellent analytical and problem-solving abilities, along with outstanding communication skills, are vital. The role ...

Java Software Engineer - Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
price feeds, big data handling and more. Full training will be provided in all financial aspects of the business. Although experience of working with FIX interfaces is an advantage, no prior knowledge of financial markets is required. The Java Engineer Must have: Strong core Java design and development skillsThorough ...

Associate Technical Analyst

Hiring Organisation
FlexTrade
Location
London, UK
Employment Type
Full-time
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 ...

VP, Java Electronic Trading Engineer

Hiring Organisation
Galaxy Digital
Location
London, UK
Employment Type
Full-time
trading systems in a Linux environmentApplication performance profiling and optimisationBonus Points:eFX development experience in a low latency, zero GC environmentKnowledge of institutional encodings (FIX, SBE)Fault tolerant, high availability, distributed computingKnowledge of low latency messaging (e.g. Aeron, 29West)Docker/Kubernetes/AWSKnowledge of CryptoWhat We Offer: Competitive ...

Platform Support Specialist

Hiring Organisation
Cboe Exchange
Location
London, UK
Employment Type
Full-time
role you'll be responsible for: Investigation and incident ownership Leading the investigation of complex platform issues through log analysis, data validation, API and FIX behaviour analysis, and SQL and UNIX based diagnostics. Owning escalated cases through to resolution, and distinguishing customer misuse from platform defect. Coordinating incident management … technical support position. Knowledge of financial market equity and derivatives products. Experience monitoring and supporting production, mission-critical market data systems. Familiarity with the FIX protocol and a strong understanding of order lifecycle workflows. Proficiency with Linux and Windows, and general comfort with SQL. The judgement to know ...