1 to 25 of 29 FIX Protocol Jobs in London

Senior FIX Protocol Developer

Hiring Organisation
Solytics Partners
Location
City of London, London, United Kingdom
evolving regulatory landscape. Job Type: Inside IR 35 Contract for 1 year Job Location- London, Hybrid Job Summary: We are seeking a Senior FIX Protocol Developer to join a Front Office Market Connectivity team supporting Power and Gas trading. This role is focused on designing, building, and maintaining … FIX-based connectivity to exchanges, brokers, and counterparties, rather than purely trading applications. The ideal candidate will be a FIX protocol expert with strong C#/.NET development skills, deep understanding of electronic market connectivity, and direct experience working in Front Office environments. Highly desirable candidates will ...

Analyst

Hiring Organisation
Randstad Digital
Location
London Area, United Kingdom
Senior FIX Analyst Contract (6 Months) London/Hybrid 2-3 days in office Financial Services Client IR35: Inside IR35 Overview A leading financial services organisation is seeking a Senior FIX Analyst to support and lead complex FIX integrations and trading support within a high-performance electronic … trading environment. This role is ideal for a FIX expert with deep Charles River (CRD) experience and strong front-office trading support background. Key Responsibilities Lead complex FIX implementations, upgrades, and integrations Provide senior-level FIX and trading production support (Severity 1 & 2) Diagnose FIX, connectivity ...

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. ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
scalable, maintainable and high-quality code. Someone who enjoys maths/logic problems and challenges Familiarity with electronic trading – order routing, broker connectivity and FIX would be very beneficial Knows or willingness to learn scripting languages to aid rapid development Experience across one or more asset classes such ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
maintain able and high-quality code. Someone who enjoys maths/logic problems and challenges Familiarity with electronic trading order routing, broker connectivity and FIX would be very beneficial Knows or willingness to learn scripting languages to aid rapid development Experience across one or more asset classes such ...

Java Developer - Equities Algo Trading x2

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £950 per day
VWAP, TWAP) Experience with agile development methodologies Background in front office system design and architecture Knowledge of equities or derivatives markets Understanding of the FIX protocol (heartbeats, logins, sequence numbers, message types) Be a part of a dynamic global team, contributing to the development of next-generation electronic ...

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 Area, United Kingdom
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 ...

Java Swing Developer

Hiring Organisation
Caspian One
Location
London Area, 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. ...

C++ Software Developer - Fully REMOTE

Hiring Organisation
DMS Computer Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
verbal skills in English The following will be considered an advantage: Experience with programming languages C# or Python Experience with GRPC networking and protocol buffers Use of Robot automated testing framework DevOps skills - Docker, Helm, Terraform Knowledge of unit-testing, asynchronous programming, or profiling Knowledge of UML design, Boost.Asio … FIX protocol, MetaTrader API Notes Benefit from: Attractive remuneration package Intellectually stimulating work environment Continuous personal development and international training opportunities ...

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 ...

Java Software Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, 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 ...

Product Strategist - fixed income E-trading

Hiring Organisation
Campion Pickworth
Location
London Area, United Kingdom
trading environments Nice to Have Experience with low-latency trading systems Exposure to regulatory initiatives impacting Fixed Income markets Knowledge of electronic trading protocols (FIX, APIs ...

Software Engineer

Hiring Organisation
Opus Enterprise Ltd T/A Real Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
analytical problem-solving skills, and ability to work effectively as part of a team. (Desirable) Experience in the Wealth Management Industry and knowledge of FIX protocol/trading platforms. Benefits Hybrid working arrangement Instant savings and discounts on major retailers across the country Private Health Insurance including Dental ...

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. ...

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 ...

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 ...

eFX Application Client Onboarding

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
plus. Proactive Approach: Ability to take initiative and resolve day-to-day issues without always relying on procedures. Technical Skills: Understanding of UNIX/FIX protocols, eFX trading platforms, and general connectivity knowledge. Agile Experience: Familiarity with Agile/Kanban methodologies is advantageous. Why Join Us? Dynamic Environment: Work ...

Technical Account Manager

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
week. As the Technical Account Manager, you will need to have worked within financial markets, have knowledge of FX and understanding of the FIX protocol. This is a great chance for an Technical Account Manager looking to progress their career by furthering their skills at a fantastic organisation. This … Technical Account Manager with excellent supplier & delivery management to join in an exciting transformation period. Skills required for the Technical Account Manager: - FIX Protocol Understanding - FX knowledge - Software Implementation - Client Implementation & Pre-sales Support FX Implementation Manager/FX/FIX/Implementation/Financial Markets/ ...

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

Hiring Organisation
Mondrian Alpha
Location
City of London, London, 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 ...

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. ...

Trade Support Specialist (FX)

Hiring Organisation
Hamilton Barnes 🌳
Location
London Area, 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 ...