1 to 25 of 30 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 ...

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 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 ...

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 ...

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 ...

Sr Java programmer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
Bank supporting global trading desk* A background of solid architectural work* Knowledge of Enterprise Integration and messaging technologies 29 West Multicast* Knowledge of the FIX protocol* Familiarity with time series databases KDB* Knowledge of lock free algorithms low latency tuning and threading.Additional Skills :* o Excellent problem solving ...

Software Engineer

Hiring Organisation
Finalto
Location
City of London, London, United Kingdom
latency connectivity to our top tier liquidity providers – such as BNP, Goldman Sachs and Barclays – our clients and to trading venues using the FIX (Financial Information eXchange) protocol in our London office. The Team ClearVision R&D is a dedicated engineering team working on the ClearVision trading platform … will be part of the Integration team, working on systems that provide reliable, low-latency connectivity to liquidity providers and trading venues using the FIX protocol. You will be involved in the full software development lifecycle — from requirements and design through development, testing, and production support. This role focuses ...

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 ...

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 ...

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 ...

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. ...

Java Developer

Hiring Organisation
Vertech Group (UK) Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 130,000 Annual
different exchanges behave and how to optimise connectivity and routing • Comfortable working in Linux/Unix environments Nice to have: • Experience with FIX or market data systems • Experience working in trading or real-time environments • Scripting experience (Python or similar) This is a hands-on role within a flat ...

Java Developer Trading Platform - Home Based

Hiring Organisation
VERTECH GROUP (UK) LTD
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
different exchanges behave and how to optimise connectivity and routing Comfortable working in Linux/Unix environments Nice to have: Experience with FIX or market data systems Experience working in trading or real-time environments Scripting experience (Python or similar) This is a hands-on role within a flat ...

Java Developer

Hiring Organisation
Vertech Group (UK) Ltd
Location
WC2H, Leicester Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum + Benefits
different exchanges behave and how to optimise connectivity and routing • Comfortable working in Linux/Unix environments Nice to have: • Experience with FIX or market data systems • Experience working in trading or real-time environments • Scripting experience (Python or similar) This is a hands-on role within a flat ...

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 ...

Trading Operations Engineer

Hiring Organisation
Selby Jennings
Location
London, England, United Kingdom
5+ years supporting trading systems in a production environment Strong Linux/Unix fundamentals and comfort at the command line Solid understanding of FIX protocol and exchange connectivity Python and Bash scripting for automation SQL proficiency covering querying, investigation, and making database changes Networking basics covering TCP/ ...

Senior Java Engineer - Algorithmic Trading

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 ...

Rust Developer

Hiring Organisation
AEJ Consulting Ltd
Location
City of London, London, United Kingdom
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 ...

Backend Software Engineer Kotlin Java Spring Boot

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
likely to be from a Java background You have experience with Spring Boot and microservices You have experience with messaging technologies such as Kafka, FIX, RSocket, Protobuf You have strong knowledge of threading paradigms (Kotlin Coroutines would also be a plus) You have experience with automated test frameworks ...

Senior Java Software Engineer

Hiring Organisation
Sanderson
Location
City of London, London, United Kingdom
with third-party financial platforms or custodians Familiarity with Camunda BPM or workflow orchestration tooling Exposure to infrastructure-as-code (Terraform, CloudFormation) Knowledge of FIX protocol, ISO 20022, or financial messaging standards This role is being managed exclusively by a specialist FS technology contract recruitment consultancy. All applications ...

Technical Lead - Trading Technology Platform

Hiring Organisation
Genesis10
Location
New York, United States
Employment Type
Permanent
Salary
USD 11,200 Hourly
understanding of enterprise software design patterns and distributed systems Desired skills: Background in eventing platforms modeled after matching engine architectures (NASDAQ-style) Experience with FIX protocol and broker/execution connectivity Familiarity with compliance or regulatory workflows in an asset management context Cloud infrastructure experience on Azure, including ...

Connectivity & Messaging Engineer

Hiring Organisation
Block MB
Location
City of London, London, 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 ...

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 ...

E-Solutions Analyst

Hiring Organisation
Paul Murphy Associates
Location
Chicago, Illinois, United States
Employment Type
Any
Salary
USD Annual
Eurex. Identify clients needs and provide and maintain appropriate solutions. This will include DEA systems (for example TT, CQG & Stellar), FIX Connectivity, SDMA and Exchange trading access (for example CME Direct, Clearport and WebICE). Identify and help the team manage market access change ISV changes, technical upgrades ...

Implementation Manager

Hiring Organisation
Trevose Partners
Location
City of London, London, United Kingdom
best practice Requirements Experience in implementation, onboarding, or client delivery within financial technology Prior team lead or supervisory experience Hands-on experience working with FIX, XML, or JSON for client connectivity/integrations Understanding of electronic trading workflows and system integrations Strong client-facing experience and ability to manage ...