1 to 25 of 28 FIX Protocol Jobs

Java Low Latency Connectivity Engineer

Hiring Organisation
Avanti Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £150000/annum
Java Low Latency Connectivity Developer London | 4 Days Office, Victoria | Crytpo Exchange Connectivity/FIX A specialist electronic trading firm is seeking a Java Low Latency Connectivity Developer to join a highly technical, performance-driven engineering team. The business operates automated trading strategies across both traditional financial markets … optimising exchange connectivity across multiple venues, with a strong focus on crypto markets. Key responsibilities include: Developing ultra-low latency Java components Managing FIX protocol sessions and order flow Integrating and optimising crypto exchange APIs using REST and WebSocket Handling real-time JSON market data feeds Improving performance ...

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 ...

Senior / Principal Software Engineer - C++, Python

Hiring Organisation
N P Associates
Location
London, England, United Kingdom
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 ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
latency financial systems. Deep understanding of performance optimisation, concurrency and JVM internals. Experience working on pricing, risk or electronic trading platforms. Knowledge of FIX protocol, order routing and broker connectivity highly beneficial. Strong mathematical and problem-solving mindset. Experience across asset classes such as FX, Equities, Commodities ...

Senior Low Latency Developer

Hiring Organisation
CMC Markets
Location
Greater London, England, United Kingdom
latency financial systems. Deep understanding of performance optimisation, concurrency and JVM internals. Experience working on pricing, risk or electronic trading platforms. Knowledge of FIX protocol, order routing and broker connectivity highly beneficial. Strong mathematical and problem-solving mindset. Experience across asset classes such as FX, Equities, Commodities ...

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

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £684 per day + Umbrella - inside IR35
Background in architectural design for trading or eTrading systems. Knowledge of enterprise integration and messaging technologies such as 29West and multicast. Understanding of the FIX protocol and familiarity with time series databases such as KDB. Knowledge of lock-free algorithms, low latency tuning and threading techniques. Excellent problem ...

Java Engineer C++

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
trading venues, impacting global financial markets. Required Skills: Strong Java and C++ development experience Low-latency programming, multithreading, and concurrency Knowledge of FX products, FIX protocol, and real-time trading systems Linux environment expertise Familiarity with CI/CD tools and application security Nice to Have: Financial regulation ...

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 ...

Principal Java Engineer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £495 per day
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 ...

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 Application Support

Hiring Organisation
City Elite Transaction Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
relevant experience. Strong interest in learning new technologies and tools. Experience with financial trading systems, messaging protocols, or electronic transaction platforms . Understanding of FIX protocol and low-latency system operations . Familiarity with messaging systems (e.g., JMS) and production system workflows. Knowledge of straight-through processing ...

Java Developer with SQL & GIT

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
with Fixed Income Products and Associated Electronic Workflows Strong proficiency with Java SQL and Git Very good understanding of industry standard trading protocols like FIX FpML Proficiency with Data Standards Data Modelling Proficiency with textbased formats like XML JSON Strong Proficiency with messaging frameworks MQ Kafka Proficiency with Spring ...

Onboarding Analyst

Hiring Organisation
A Global Financial Brokerage
Location
City of London, London, United Kingdom
will provide hands-on, technical delivery of client and vendor on-boarding and certification, including the coordination of network connectivity and inbound/outbound FIX conformance testing. The candidate will plan and prepare the implementation of production network routing and FIX gateways. The candidate will be responsible … scheduling, execution and verification of the “go-live” in coordination with all technical and business stakeholders Company Requirements: Experience with FIX protocol systems. Familiarity with basic network connectivity, including: TCP/IP, VPNs, LOA provisioning, and troubleshooting. Experience with Linux, XML, bash, GNU command line utilities ...

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 Applications Technical Lead- Calypso

Hiring Organisation
Nexylum global technologies
Location
Alpharetta, Georgia, United States
Employment Type
Any
Salary
USD Annual
Derivatives, TRS, Equities, Fixed Income, and FX products.Hands-on experience with event-driven systems for trading, events, and (link removed)tegration experience with Bloomberg, FIX connectivity, and MarketWire.Prior work on Calypso or a comparable trading platform. ...

Java Developer

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
including lock‐free and low‐garbage techniques • Experience working with quant teams and implementing algorithmic models • Familiarity with messaging protocols such as Aeron, Kafka, FIX, SBE, ITCH, OUCH • Knowledge of time‐series databases (preferably KDB) and Python for analytics • Full‐stack experience (React) is beneficial for building trader tools ...

Java Developer eTrading

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
including lock-free and low-garbage techniques * Experience working with quant teams and implementing algorithmic models * Familiarity with messaging protocols such as Aeron, Kafka, FIX, SBE, ITCH, OUCH * Knowledge of time-series databases (preferably KDB) and Python for analytics * Full-stack experience (React) is beneficial for building trader tools ...

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 ...

R4281 Software Engineering Team Lead - C#

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£105,000 - £125,000 per annum
development AWS or Azure cloud deployment Relational databases (MSSQL/MySQL) Proven experience leading engineering teams in Agile environments Exposure to trading systems, FIX protocol, WPF, microservices, or serverless architecture is highly desirable. If you're a delivery-focused technical leader who enjoys mentoring engineers while staying close ...

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 ...

QA Engineer

Hiring Organisation
Gold Group Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
troubleshooting skills, especially in distributed or performance-sensitive systems. Nice to Have Experience in trading-technology or front-office environments, such as: Market Data FIX Trading/Order Flow Ultra-low-latency systems Exchange connectivity High-frequency trading workflows (Not required, but highly beneficial.) Personal Profile We place high ...

Connectivity & Messaging Engineer

Hiring Organisation
Block MB
Location
London Area, United Kingdom
with a passion for simplifying complex systems, optimising runtime performance and enhancing developer/operational workflows. Nice to have Experience with connectivity protocols like FIX or other financial messaging standards. Prior work on large-scale service-oriented or microservices platforms. Why it’s exciting Join a collaborative engineering environment ...

Rust Developer

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £150000/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. To find out more about Huxley, please ...

Customer Support Engineer

Hiring Organisation
Marlin Selection
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
expected, experience in any of the following areas would be a strong plus: Networking fundamentals Deployment management Foreign exchange (FX) markets Messaging protocols (particularly FIX ) Technical writing/documentation Why This Role Could Be a Great Fit This is a fantastic opportunity for someone who enjoys being close ...