1 to 25 of 29 Permanent FIX Protocol Jobs in the UK

Senior Software Engineer - C++, Python - Financial / Banking

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £120,000 per annum
excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, FIX Protocol and some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA teams, to produce high performance … GitHub. • Python, including Pytest. • Knowledge of capital markets exchange connectivity on stocks (fixed income and derivatives is a plus), including exchange protocols such as FIX and SBE. • Most importantly, a drive to solve complex technological and trading challenges with a great team of talented developers. • Comfortable using Agile methodology ...

Senior C++ Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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. ...

C++ Developer

Hiring Organisation
Ascendion
Location
Bromley, Greater London, Bromley Town, United Kingdom
Employment Type
Permanent
threading concepts Actively used design patterns and demonstrate strong understanding of software design Experience using low-latency/high-throughput messaging platforms Understanding of FIX API for exchange and venue connectivity is desirable Exposure to Relational and Time series databases, SQL/Q will be advantageous Scripting experience will ...

C++ Developer (FX - Low-Latency)

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
using design patterns and a strong grasp of software design principles. Experience working with low-latency/high-throughput messaging platforms . Familiarity with FIX API for exchange and venue connectivity is desirable. Exposure to relational and time series databases and proficiency in SQL/Q is advantageous. Scripting ...

C++ Developer (FX - Low-Latency)

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent, Contract
using design patterns and a strong grasp of software design principles. Experience working with low-latency/high-throughput messaging platforms . Familiarity with FIX API for exchange and venue connectivity is desirable. Exposure to relational and time series databases and proficiency in SQL/Q is advantageous. Scripting ...

Senior Java Software Engineer

Hiring Organisation
CipherTek Recruitment
Location
London, UK
Employment Type
Full-time
proficiency in Java, including multi-threading, collections, and concurrency. FIC Trading Systems: Experience developing, maintaining, or supporting electronic trading platforms. Messaging Protocols: Familiarity with FIX protocol, MQ, JMS, or similar messaging solutions. API Development: Experience with RESTful and/or SOAP web services. Low Latency Programming: Understanding ...

Senior Java Software Engineer

Hiring Organisation
CipherTek Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
proficiency in Java, including multi-threading, collections, and concurrency. FIC Trading Systems: Experience developing, maintaining, or supporting electronic trading platforms. Messaging Protocols: Familiarity with FIX protocol, MQ, JMS, or similar messaging solutions. API Development: Experience with RESTful and/or SOAP web services. Low Latency Programming: Understanding ...

VP Java FX Strategist Global Markets London

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Financial Markets , ideally in pricing or market-making Strong understanding of FX microstructure , order management, or regulatory flows Bonus experience: Spring Boot, Gradle, Solace, FIX, concurrent programming, JVM tuning, React/Vue Ability to utilise AI coding assistants effectively while maintaining code quality Strong communicator with the ability ...

Java Swing Developer

Hiring Organisation
Caspian One
Location
Slough, Berkshire, UK
Employment Type
Full-time
willingness to transition into modern architecture. Nice to Have Knowledge of FX, fixed income, and derivatives products. Experience with OMS, algo trading, and FIX protocols. ...

Java Swing Developer

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
willingness to transition into modern architecture. Nice to Have Knowledge of FX, fixed income, and derivatives products. Experience with OMS, algo trading, and FIX protocols. ...

Software Developer - Trading Integration C#

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
working with relational databases and SQL Strong ability to analyse business requirements and design effective technical solutions Familiarity with integration technologies such as messaging, FIX or XML (desirable) Strong verbal and written communication skills, able to engage with both technical and non-technical stakeholders Excellent analytical and problem-solving ...

QA Engineer

Hiring Organisation
Retelligence
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 55,000 Annual
queries. Experience in non-functional testing (e.g., performance, load, stress testing) using tools like Neoload is beneficial. Familiarity with financial system testing (XML, JSON, FIX, SFTP, or Swift) is a plus. Knowledge of QA automation methodologies, tools, and agile processes. Strong understanding of testing techniques such as Equivalence Partitioning ...

QA Engineer

Hiring Organisation
Retelligence
Location
EC2M, Coleman Street, Greater London, Bishopsgate, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55000/annum + Bonus
queries. Experience in non-functional testing (e.g., performance, load, stress testing) using tools like Neoload is beneficial. Familiarity with financial system testing (XML, JSON, FIX, SFTP, or Swift) is a plus. Knowledge of QA automation methodologies, tools, and agile processes. Strong understanding of testing techniques such as Equivalence Partitioning ...

Java Software Engineer

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
Strong understanding of networking, memory management, and performance tuning Experience in trading, market data, risk, or execution systems preferred Nice to Have Experience with FIX, market data feeds, or pricing engines Knowledge of Linux internals Background in finance, trading, or HFT environments What’s On Offer £130k base Discretionary ...

Senior Exchange Connectivity Engineer | Crypto

Hiring Organisation
Selby Jennings
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

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 ...

Lead Software Developer

Hiring Organisation
Ncounter LTD
Location
East London, London, United Kingdom
Employment Type
Permanent
trading or post trade domains Proven experience building data intensive services and working with PostgreSQL and data frame tooling Background in trade booking and FIX protocol integration Ability to design and implement scalable, high availability and distributed architectures Experience building reporting and reconciliation tooling and working with large ...

C#/.Net Software Developer Banking London

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
Office Platform Integration team, to facilitate trading activities, trade reporting and risk management using well known technologies such as .Net, SQL Server, IBM MQ, FIX and XML working in an agile environment in collaboration with other teams. Business Area - Front Office Platform Integration Responsibilities: Implement and delivery ...

TechOps Analyst, Equities

Hiring Organisation
ARC IT Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
owner for stability, incident response, and release safety. Key Responsibilities: End-to-end production reliability for equities trading systems (OMS/EMS, FIX gateways, algo/eTrading, market data, post-trade). Reduced MTTD/MTTR via automation, clear SLAs, and robust RCAs/post-mortems. Safer, faster releases … call rota and contribution to a follow-the-sun model. Key Requirements: TechOps/Production Engineering/SRE experience supporting equities trade floor. FIX protocol experience. Unix experience. Practical understanding of market microstructure, exchange connectivity, and TCA/controls. Composed, commercially aware communicator with traders and senior leadership. ...

Account Manager

Hiring Organisation
Artemis Talent Group Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
Markets - Equities, Derivatives, Fixed Income tradeflows Relationship Management - Upselling/Cross Selling/Retention Technology - How its deployed to financial services front office environments FIX Protocol - Know what it is If you would like to discuss in more detail please apply. ...

Account Manager

Hiring Organisation
Artemis Talent Group Ltd
Location
City of London, London, United Kingdom
Markets - Equities, Derivatives, Fixed Income tradeflows Relationship Management - Upselling/Cross Selling/Retention Technology - How its deployed to financial services front office environments FIX Protocol - Know what it is If you would like to discuss in more detail please apply. ...

Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Market Leading Compensation - Hybrid - London

Hiring Organisation
Mondrian Alpha
Location
London Area, United Kingdom
troubleshoot live issues and optimise trading operations. Build, maintain, and document proactive alerting systems and health checks for internal and external connectivity (e.g., FIX, REST APIs). Drive operational excellence through robust incident management, process improvement, and knowledge-sharing across regions. Play a key role in onboarding new trading … reliable integration. Ideal Candidate Profile 3+ years’ experience supporting high-performance trading systems in a Python and Linux-heavy environment. Proven expertise in FIX protocol, trading workflows, and exchange connectivity. Skilled in scripting for automation (Python, Bash) and familiar with tools like Ansible and Geneos. Experience with relational ...

Application Support Engineer - Elite Systematic Trading Firm - Prop Trading - Market Leading Compensation - Hybrid - London

Hiring Organisation
Mondrian Alpha
Location
Slough, Berkshire, UK
Employment Type
Full-time
troubleshoot live issues and optimise trading operations. Build, maintain, and document proactive alerting systems and health checks for internal and external connectivity (e.g., FIX, REST APIs). Drive operational excellence through robust incident management, process improvement, and knowledge-sharing across regions. Play a key role in onboarding new trading … reliable integration. Ideal Candidate Profile 3+ years' experience supporting high-performance trading systems in a Python and Linux-heavy environment. Proven expertise in FIX protocol, trading workflows, and exchange connectivity. Skilled in scripting for automation (Python, Bash) and familiar with tools like Ansible and Geneos. Experience with relational ...

Equities / Fixed Income Trader - Career Transition to Business Analyst / Product Manager

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
data delivery). Understanding of distributed server architectures. Desirable Knowledge Of Any (Beneficial): Understanding of ultra-low latency distributed computing environments. Familiarity with the FIX trading protocol and various market data systems (Reuters, Bloomberg, CQG). Previous experience with specific ISVs: Trading Technologies, Stellar, ULLink, Fidessa, ION/ ...

Trade Support Specialist (FX)

Hiring Organisation
Hamilton Barnes 🌳
Location
City of London, London, United Kingdom
incidents effectively to maintain platform stability and client satisfaction. Client Management: Work closely with clients, providing exceptional service and building lasting relationships. Must-Haves: FIX Protocol experience Strong experience with Linux servers. Background in FX trading or application support. Desirables: Scripting skills in any language (e.g., Python, Bash ...