76 to 100 of 214 Permanent FIX Protocol Jobs

Post Production Support Specialist, Charles River Development, Assistant Vice President

Location
Greater London, England, United Kingdom
management or wealth management workflows, derivatives, and FX instruments.* Technically savvy: understanding of multi-tier technical architectures and relational database structures, familiarity with SQL, FIX and reporting tools.* A strong record of customer service. Post Go Live Support Specialists must understand customer needs and build effective relationships. The candidate ...

Senior Developer - Equity Derivatives Tech (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
safely AI coding agents such as Devin, Copilot, Claude Code. Preferred Qualifications: Understanding of trade booking and life cycle processes Knowledge/experience of FIX in equity order management or request for quote flows. Additional technology experience: React JS, Apache NiFi, MongoDB, Solace or similar messaging middleware Education: Bachelor ...

Senior eTrading Developer - Rates

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £800.00 per day
similar high-throughput DB technologies. Trading Domain Knowledge: In-depth technical grasp of Request for Quote (RFQ) mechanisms, algorithmic execution, and electronic trading protocols (FIX, market connectivit Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

Senior Python Specialist - Trading pod

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
data, constructing constant maturity derivatives series and futures contractsHas initiated/worked with git for version control, and gitlab deployment processesExperience dealing with FIX would also be usefulYou will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment with ongoing training ...

Expert Python Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
data, constructing constant maturity derivatives series and futures contractsHas initiated/worked with git for version control, and gitlab deployment processesExperience dealing with FIX would also be usefulYou will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment with ongoing training ...

Platform Support Specialist

Location
Greater London, England, United Kingdom
with time off in lieu. Responsibilities 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 ...

Platform Support Specialist

Hiring Organisation
Cboe Exchange
Location
London, United Kingdom
Salary
£ 70 K
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 ...

Senior Java Systems Engineer - Platform Exchange / Matching Engine

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
running performance benchmarks, and diagnosing production issues. Excellent technical communication and collaborative problem-solving skills. Experience with order entry and market data protocols (e.g. FIX, ITCH). Familiarity with low-latency frameworks such as Aeron, Chronicle, or LBM. An understanding of replicated state machines, event sourcing, or deterministic systems. ...

Senior Software Engineer - Futures and Options Execution Services

Location
Greater London, England, United Kingdom
committed to providing our team members with the support and resources they need to succeed. Tech Stack Java and/or Rust, AWS, FIX protocol, Kafka , Kubernetes and Cloud (AWS or Azure). What We’re Looking For 8+ years of professional software engineering experience using Java. ...

Senior Software Engineer

Hiring Organisation
London Stock Exchange Group
Location
Nottingham, Nottinghamshire, United Kingdom
Salary
£ 70 K
Delivery Management, or Emerging Tech & GovernanceStrong experience in software development and deliveryBasic understanding of trading systems and financial marketsFamiliarity with financial messaging protocols (preferably FIX)Career Stage:Senior AssociateLondon Stock Exchange Group (LSEG) Information:Join us and be part of a team that values innovation, quality, and continuous improvement. ...

Senior Lead Software Engineer- Back End- Madrid

Location
Greater London, England, United Kingdom
throughput, low‐latency data such as market or trade feeds. Experience integrating with third‐party financial or trading APIs (REST, WebSocket, and/or FIX), including handling rate limits, authentication/signing schemes, reconnection, and idempotency. Experience with monitoring and alerting to maintain a production environment - with an appreciation ...

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 Our culture speaks for itself, check out the latest our client news at: Our Newsroom Our LinkedIn Heres a few of our recent awards ...

Senior Software Engineer, C++

Location
Greater London, England, United Kingdom
Connectivity Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests Ensure quality of software based on a set of testing suites, which you are expected to use, maintain and extend ...

Core Java Developer Fintech High Freq Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Server Side J2SE components Strong object-orientated application design and architecture skillsMultithreading & ConcurrencyMessaging experience (TCP, Corba, Tibco, JMS or similar)Performance & TuningBeneficial: Commercial FIX Protocol experienceExperience with various Java APIs (e.g. JMX, JDBC, JMS)Experience of low latency/high throughput systems is a plusThis is a very ...

Java Lead Software Engineer — Digital Markets Execution Technology, Execute

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
audiences; ability to operate in globally distributed teamsPreferred qualifications, capabilities, and skillsExposure to messaging systems and market protocols (e.g., MQ/Kafka; familiarity with FIX and Solace)Experience with observability stacks and resilience engineering for low-latency/latency-sensitive platformsFamiliarity with PythonExperience operating services in regulated environments with ...

Application Support Lead - Fintech / Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
expect an excellent salary and benefits package. My client is based in London, 4 days a week in the office Customer Support, Client Support, FIX Integration, Implémentation, NYSE, FTSE, EUREX, ICE, Nasdaq ...

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 ...

Java Engineer - Low Latency

Location
Greater London, England, United Kingdom
tuning) Familiarity with off-heap or direct memory structures (Chronicle Map, VarHandles, DirectByteBuffers) Networking/I/O frameworks such as Netty or custom FIX engines Exposure to OpenHFT, LMAX Disruptor, or similar performance-focused frameworks Prior experience in trading, financial markets, or real-time data systems Ability ...

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 ...

Fidessa Application Support Analyst - up to 100,000 - Hybrid

Hiring Organisation
Involved Solutions
Location
London, UK
Employment Type
Full-time
complex, large-scale trading environments and modern technologies. Essential skills - Fidessa Application Support Analyst: Strong experience with FidessaEquities/Global Markets knowledgeUnderstanding of FIX ProtocolJava & Linux experienceScripting (Python, Shell, or TCL)Experience with SQL databases (Sybase/MS SQL)Messaging frameworks (IBM MQ, TIBCO or similar)Desirable skills - Fidessa ...

C# Software Engineer- Remote

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Tech stack consists of a low latency back end with components written in C++, C# and Java. There are feed handlers (BPIPE, Refinitiv RFA, FIX, WebSocket etc) to capture real-time data from external venues. The front-end GUI is currently a mixture of WPF and Web Clients. ...

C# Software Engineer- London

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Tech stack consists of a low latency back end with components written in C++, C# and Java. There are feed handlers (BPIPE, Refinitiv RFA, FIX, WebSocket etc) to capture real-time data from external venues. The front-end GUI is currently a mixture of WPF and Web Clients. ...

Highly experienced Python Engineer - Tech Driven Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
data, constructing constant maturity derivatives series and futures contractsHas initiated/worked with git for version control, and gitlab deployment processesExperience dealing with FIX would also be usefulYou will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment with ongoing training ...

Quant Developer Crypto Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
High Demand environmentJava, Python, Javascript, Netty, Aeron, SBE, Chronicle, FullExperience in infrastructure management with strong focus on AWS, networking (TCP/UDP/FIX/DNS/WebSocket, multicast) and mindset for solid securityLong-term Linux user with intimate knowledge of running servers and performance tuningExperience with building event ...

Technical Solutions Engineer

Location
Greater London, England, United Kingdom
Responsibilities Own the end-to-end onboarding process for clients and trading counterparties, from kickoff through successful production deployment. Lead technical integrations involving APIs, FIX connectivity, and platform configuration. Partner with Sales, Account Management, Engineering, and external stakeholders to deliver implementations on schedule. Manage onboarding timelines, track milestones … financial infrastructure. Working knowledge of SQL and command line environments. Familiarity with configuration management, source control, and basic scripting (Python preferred). Exposure to FIX protocol, REST APIs, and JSON-based integrations. Strong organizational skills and ability to manage multiple concurrent implementations. Preferred Experience onboarding clients to trading ...