101 to 125 of 252 FIX Protocol Jobs in London

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 ...

Senior Software Engineer, C++

Hiring Organisation
Flow Traders
Location
London, United Kingdom
Salary
£ 100 K
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 requestsEnsure quality of software based on a set of testing suites, which you are expected to use, maintain and extendOptimize exchange ...

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 Heres a few of our recent ...

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, United Kingdom
Salary
£ 80 K
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 ...

Senior Manager/ Lead - Trading Application Support OMS/EMS

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Trading applications. Previous experience within an Investment Banking, Brokerage or Capital Markets environment. Good understanding of electronic order flow and trading workflows. Experience with FIX connectivity, broker connectivity and/or exchange connectivity. Knowledge of Cash Equities and ideally exposure to Swaps and/or Futures & Options. Strong production ...

Application Support Lead – Fintech / Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 120 K
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, United Kingdom
Salary
£ 80 K
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 ...

Technical Analyst

Location
City Of London, England, United Kingdom
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 ...

Fidessa Developer

Hiring Organisation
Apex Systems US
Location
St Paul's, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £75/hour
Fidessa products is highly desirable, including CASE, FBL, TOP (OMAR, TMAR, PMAC), PAIRS, NMS, FIX+, APAS and FDA. Additional technical experience may include: FIX Protocol Python, Shell Scripting, PowerShell Sybase and SQL Server Distributed systems and event-driven architecture Messaging technologies such as IBM MQ, AMPS or Tibco ...

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, United Kingdom
Salary
> £ 150 K
exposure to 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 ...

C# Software Engineer- Remote

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
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. The displays ...

C# Software Engineer- London

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
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. The displays ...

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, United Kingdom
Salary
£ 100 K
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 ...

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, United Kingdom
Salary
£ 100 K
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 ...

Futures E-Trading Technology Project and Development Lead

Location
Greater London, England, United Kingdom
Order Types, and Transaction Cost Analysis (TCA). Proven experience in vendor management and collaborating with senior‐level business partners. Good understanding of the FIX protocol. Competencies — Demonstrated leadership and project management skills in a technical context. Exceptional analytical and problem‐solving skills with the ability to develop creative ...

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 ...

Senior Engineer, Trading Product Engineering

Location
Greater London, England, United Kingdom
Nice to Haves*** Experience working on core trading functionality such as order matching and orderbook generation.* Familiarity with financial derivative products (Options, Futures), the FIX protocol, and related workflows.* Understanding of blockchain technologies.**Bullish is proud to be an equal opportunity employer. We are fast evolving and striving ...

C++ Low Latency Engineer | Systematic Trading

Location
Greater London, England, United Kingdom
beyond) Multithreading, Concurrency & Memory Management STL, Object-Oriented Design & Software Architecture Messaging Infrastructure Networking: TCP/IP, UDP & Socket Programming High-Performance Networking FIX Protocol Exchange Connectivity Market Data Feeds Electronic Trading Systems Ideal Background Open to candidates from either financial services or leading technology firms who have ...