1 to 25 of 32 FIX Protocol Jobs

Technical Account Manager, Equities & FX

Hiring Organisation
OneChronos
Location
London Area, United Kingdom
trading, technology, and regulation. What You’ll Do Client Support & Onboarding Manage new and existing clients with technical onboarding, account setup, certifications and FIX protocol connectivity, including network configuration and session management. Guide clients through onboarding and testing, ensuring adherence to MTF requirements and trading rules. Troubleshoot client … connectivity or trading issues (including FIX sessions, TCP/IP connectivity, firewall or routing matters), escalating to technology & engineering teams where necessary. Trading & Market Technical Operations Monitor live trading activity and platform performance, ensuring seamless execution for market Subscribers. Oversee market data integrity, trade lifecycle events, and system connectivity ...

Senior Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £150000/annum
Linux/UNIX operating systems Experience with real-time, mission-critical systems Familiarity with networking tools (e.g., Wireshark), Solace , and 10GbE multicast Knowledge of FIX protocol and other market connectivity standards Domain Knowledge Front-office experience in FX trading or quantitative finance Understanding of pricing algorithms , dynamic spreading ...

Principal Java Developer

Hiring Organisation
Stott and May
Location
London Area, United Kingdom
with exposure to C++ Strong knowledge of multithreading and concurrency in high-frequency trading systems Experience implementing low-latency state machines Working knowledge of FIX protocol and binary market data protocols Strong experience working within Linux environments Proven track record building FX trading applications, particularly across FX Spot ...

Application Support Analyst

Hiring Organisation
Apex Hunt Ltd
Location
London Area, United Kingdom
experience in Application Support within a financial institution • Experience in a Front Office/Trading floor environment is essential ⸻ Nice to Have • Knowledge of: • FIX protocol • Market data platforms (Bloomberg, Reuters) • DevOps tools/CI-CD pipelines • Prior experience in investment banking or asset management ...

Senior C++ Software Engineer - Systematic Trading

Hiring Organisation
Templeton and Partners
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
algorithmic trading systems . What You'll Work On Exchange Connectivity Develop software that interacts with major global futures exchanges using native APIs & protocols (FIX, WebSocket, HTTP). Maintain and extend testing suites ensuring robust, consistent connectivity. Optimise exchange communication through Kernel bypass, TLS tuning, and advanced networking techniques. ...

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
Infoplus Technologies UK Ltd
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
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 ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows, and the FIX protocol. Demonstrated ability to debug, optimize, and troubleshoot code and system performance issues. #J-18808-Ljbffr ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows, and the FIX protocol. Demonstrated ability to debug, optimize, and troubleshoot code and system performance issues. Job Info Job Identification 165083 Job Category Vice President Posting Date ...

Director of Software Engineering - C++ - Global Head of Derivatives Exchange Connectivity

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
into a Linux environment. Design, develop, test, and support various Market Access trading and risk management modules in C/C++. Working knowledge of FIX protocol. Experience in low latency connectivity to Futures and Options markets e.g., Eurex, CME, and ICE. Order management experience with Multileg products in Futures ...

Senior C++ Engineer

Hiring Organisation
Tatton Recruitment Group
Location
City of London, London, United Kingdom
Typescript 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 Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange Implement trading algorithms based ...

Software Engineer (C++)

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Temporary
Typescript 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 Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange Implement trading algorithms based ...

TRADING SYSTEMS QA ENGINEER CONSULTANT

Hiring Organisation
Staffing Solutions USA
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
commissions, etc.) with in-house tools and golden data sets Integration and data integrity Execute integration tests spanning internal systems and vendor platforms; validate FIX sessions and drop copies Test API interactions (REST, gRPC) and data flows end-to-end Write reusable SQL queries and scripts to validate data ...

Senior Vice President, Software Engineering - Wealth Management

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
grow engineering talent. Preferred Qualifications, Capabilities, and Skills Experience with the Spring ecosystem and AWS cloud services. Experience building trading systems; familiarity with FIX protocol. Ability to solve complex, mission-critical problems with a pragmatic, hands‐on approach. Continuous learner and early adopter of emerging technologies and practices. #J ...

Senior Exchange Connectivity Engineer | Crypto

Hiring Organisation
Selby Jennings
Location
London Area, United Kingdom
their trading infrastructure, focusing on ultra-reliable, low-latency integrations with major crypto exchanges. Key Responsibilities Design and implement exchange connectivity modules (REST, WebSocket, FIX, proprietary APIs). Optimize order entry, market data ingestion, and account management for performance and reliability. Contribute to a fault-tolerant, scalable connectivity framework ...

Product Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Deep understanding of:*** Securities trading lifecycle* Advisory and discretionary portfolio management* Order Management Systems (OMS)* Portfolio accounting and rebalancing* Market data and pricing feeds* FIX protocol and/or API-based trading integrations •* Digital flows for managing portfolios* Experience working with regulated financial systems* Experience with SaaS-based ...

Senior Java Engineer - Algorithmic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
improvements in a low-latency environment The tech environment Core Java (concurrency, NIO, GC tuning) Low latency/high throughput systems Event-driven architectures FIX and market connectivity Modern CI/CD tooling What they're looking for Strong Java engineers who understand performance, concurrency and real-time systems ...

Senior Data Modeller

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £88,000 per annum
working in Agile environments* Knowledge of UML, RDBMS, JSON/XML* Knowledge/experience of Erwin Desirable: * Knowledge of industry data standards (e.g. fpML, FIX, FIBO)* Experience with ontologies (RDF/OWL/TTL)* SQL and/or Python If interested please apply. To follow up on your application ...

Senior Product Manager - Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
solving skills – you can string together a SQL query Experience with testing/integrating to APIs Preferred Experience building trading APIs (REST/WebSocket, FIX, gRPC, webhooks), order routing and matching, and market data systems Background in crypto trading, cross-border settlement, or treasury management Experience in a fast ...

FX/eFX Application Support Specialist - London

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 75,000 Annual
enhancing a suite of banking and trading applications that play a vital part in the organisation's operations across EMEA. Strong knowledge of FIX messaging and common eFX trade flow issues You will work closely with business sponsors, IT teams, and global project groups to ensure applications remain modern ...

Rust Engineer

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £180000/annum
deployment pipelines, secrets management Nice to Have Front office trading environment (any asset class) - execution systems, market data infrastructure, or low-latency pricing engines FIX protocol, OMS/EMS connectivity, or direct exchange co-location experience SIMD, vectorisation, or GPU offloading for numerical workloads; eBPF for observability … pattern experience What We're Looking For You find the bottleneck before anyone reports it, understand it at the hardware level, and instrument the fix so the next problem surfaces in seconds. You write Rust other engineers learn from and care deeply whether a system is correct - not because ...

Principal Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
quant partners, and senior stakeholders to assess how the platform operates today, including nuanced pre-trade and post-trade flows and bespoke, client-specific FIX implementations. A target architecture is also being defined in parallel, and a key part of this role is evolving the current stack so that … decisions, modernization strategy, and platform transition planning London‐based, with on‐site presence required 3 days per week minimum Nice to have Experience with FIX protocol and client connectivity patterns Familiarity with message brokers (Kafka, Solace) and event‐driven architectures Prior consulting experience or comfort operating across multiple ...

Mandarin speaking Job - Deputy Head of IT - ww

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Continuity/Disaster Recovery frameworks. Working knowledge of networking, firewalls, CUCM, cybersecurity tools and cloud/infrastructure technologies. Experience with trading systems, exchange connectivity, FIX protocols and back‐office integrations is advantageous. Ability to work under pressure, manage competing priorities and deliver within deadlines. Bilingual speakers (English & Mandarin ...

Mandarin-Speaking IT Deputy Head – Strategy & Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Continuity/Disaster Recovery frameworks. Working knowledge of networking, firewalls, CUCM, cybersecurity tools and cloud/infrastructure technologies. Experience with trading systems, exchange connectivity, FIX protocols and back-office integrations is advantageous. Ability to work under pressure, manage competing priorities and deliver within deadlines. Bilingual speakers (English & Mandarin ...