25 of 25 FIX Protocol Jobs

Senior Software Engineer

Hiring Organisation
Cititec
Location
City of London, London, United Kingdom
support high-performance trading environments. This is a senior, hands-on role for an engineer who wants end-to-end ownership — from low-level protocol integration through to distributed execution services and trader-facing tooling. What You’ll Be Doing Design and build core components of a modern …/OMS platform, including order routing, order lifecycle management, venue connectivity, and execution analytics. Implement and maintain FIX protocol and venue-specific integrations across exchanges, brokers, and liquidity providers in commodities markets. Develop low-latency, distributed execution services with a strong focus on correctness, resilience, and performance under ...

Senior Software Engineer / Principal Software Engineer - C++, Python

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £140,000 per annum
methodologies • 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 ...

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
NoSQL databases Experience with cloud platforms (Azure or AWS) Desirable: Experience with containerisation (Docker, Kubernetes) Knowledge of financial systems or trading platforms Exposure to FIX protocol Understanding of asset classes such as FX, derivatives, or similar Qualifications & Experience Degree in Computer Science, Engineering, or a related field ...

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 ...

VP Java FX Strat Quant Developer Investment Bank

Hiring Organisation
McGregor Boyall
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 ...

C++ Team Lead

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 ...

Senior Java Software Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
complex systems and drive issues through to resolution Nice to Have Capital markets exposure across clearing, collateral, OTC derivatives, or prime brokerage Experience with FIX/FIXML, messaging systems, or trading workflows Experience building reporting platforms or client-facing web applications Leadership or mentoring experience Exposure to AI/ ...

HFT Developer

Hiring Organisation
Harrington Starr
Location
United Kingdom
performance Strong understanding of multithreading, algorithms, and systems programming Exposure to market data, exchange connectivity, or trading systems is highly beneficial Knowledge of WebSockets, FIX, Kafka or network protocols preferred Bonus experience: Kernel bypass/DPDK System-level or network optimisation Financial markets or HFT environments Fully remote opportunity ...

Software Engineer

Hiring Organisation
Albert Bow
Location
United Kingdom
modern C++ Proven track record building and optimizing high-load, low-latency systems. Experience with financial markets, HFT, or exchange connectivity and protocols (e.g., FIX). Strong fundamentals in algorithms, data structures and software design patterns. Deep networking knowledge (TCP/UDP, REST, WebSockets) and experience debugging networked systems. ...

C++ Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent
investment bank, prop trader or hedge fund - Current experience working on mulithreaded, distributed systems Nice to have: - Masters degree in relevant field - Python scripting - FIX - Exchange trading gateways or market data feed handlers McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. ...

Senior Quant C++ Engineer

Hiring Organisation
Harrington Starr
Location
United Kingdom
understanding of concurrency and multithreaded architectures Exposure to monitoring/debugging live production systems Nice-to-have exposure includes: TCP/UDP, multicast or FIX Trading or financial markets AWS/cloud research environments Python/Bash tooling The environment is highly collaborative and engineering-led, with a strong ...

Senior Software Engineer

Hiring Organisation
Harrington Starr
Location
United Kingdom
providing market access and data from their ultra low-latency platform to financial service firms, leading exchanges and single dealers across digital assets, FIX and more. They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/scale up firms, able to take ...

Senior Exchange Connectivity Engineer | Crypto

Hiring Organisation
Selby Jennings
Location
City of London, London, 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 ...

IT Support Manager – Futures (Associate Director)

Hiring Organisation
VARO Partners
Location
City of London, London, United Kingdom
Skills Experience with scripting and automation using: Python Shell scripting PowerShell Knowledge of electronic trade matching and clearing processes Experience supporting exchange connectivity and FIX messaging environments Exposure to automation and reporting improvements Candidate Profile Strong technical support professional with excellent understanding of Futures markets Comfortable working ...

Technical Product Manager

Hiring Organisation
City Elite Transaction Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
agile scrum team Familiarity with financial asset classes and the trading lifecycle Exposure to SQL and object-oriented languages Understanding of XML, FIX, JSON or other messaging formats and protocols Benefits Comprehensive health and wellness coverage Generous annual leave Continuous learning and development resources Competitive salary, retirement planning ...

Order Management Systems Manager – London

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£690 - £820 per day
River, Flextrade, Fidessa, TS Imagine etc) Subject matter expertise in Equities and/or Fixed Income asset class and end to end trade workflow FIX protocol knowledge Detailed requirements documentation Hands on experience with implementations (install OMS, OMS migrations, integrations between OMS and EMS...etc) Trade/Market Data ...

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 ...

Product Analyst (OTC Derivatives)

Hiring Organisation
eFinancialCareers
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
within financial markets, ideally in trading, market infrastructure, or fintech environments Exposure to OTC derivatives and how they are traded Strong understanding of APIs, FIX protocol, or system integrations Comfortable in a client-facing role with strong communication skills Analytical mindset with the ability to translate business needs ...

Low Latency Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
aspects of client deliveries Architecting performant, resilient distributed systems informed by deep domain knowledge Building solutions across OMS, EMS, Smart Order Routing, Matching Engines, FIX gateways and Risk platforms Working with event-driven architectures, replicated state machines and distributed consensus systems Applying best practices in separation of concerns, clean ...

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
£65,000 - £95,000 per annum
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/ ...

Mandarin speaking Deputy Head of IT

Hiring Organisation
People First
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
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 ...

Front Office Application Support (Credit) - London, UK

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
first point of contact for traders during market hours Support electronic trading, pricing, trade capture & risk systems Troubleshoot live trade flow issues (FIX, booking, market data, pricing) Monitor systems and respond to alerts (Splunk/Dynatrace) Own major incidents , drive resolution & perform RCA Support releases, change management & stability improvements ...

Electronic Trading Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Experience within electronic trading, market making, HFT, systematic trading, FX, or crypto environments Nice to Have eFX or ultra-low latency pricing systems experience FIX or SBE protocol knowledge Distributed systems and fault-tolerant architecture experience Docker, Kubernetes, or AWS exposure Crypto or digital assets experience The Environment ...

Senior Java Software Engineer

Hiring Organisation
Artemis Talent Group Ltd
Location
City of London, London, United Kingdom
Senior Java Engineer – Low Latency Trading London/New York (Hybrid) Skills: Java, Java 23, Low Latency, Trading Platforms, Market Data, Aeron, Kafka, Chronicle, FIX Artemis Talent is partnering with a leading trading technology firm building high-performance, real-time trading systems used across global markets. This … understanding of: Concurrency & multi-threading JVM tuning & memory optimisation Network programming (TCP/IP, NIO) Experience within trading systems/financial markets Exposure to FIX or similar messaging protocols Why Join Work on real-time trading infrastructure Solve complex performance challenges at scale High-impact role in a fast ...