12 of 12 FIX Protocol Jobs in Slough

Java Software Engineer

Hiring Organisation
OB Collective
Location
Slough, Berkshire, UK
Employment Type
Full-time
Java Engineer - Contract (outside IR35) A Forex Brokerage based in London and are looking for an experienced Java Engineer with strong FIX API (server-side) expertise to join on an initial 3 month contract. This a key role working on high-performance, low-latency trading infrastructure used in live … market environments. What You'll Be Doing Design, develop, and maintain server-side Java applications for FIX connectivity Build and support FIX API integrations with liquidity providers, banks, and trading venues Optimise systems for low latency, high throughput, and reliability Collaborate closely with trading, infrastructure, and QA teams ...

Senior Application Support Analyst

Hiring Organisation
Randstad Digital
Location
Slough, Berkshire, UK
Employment Type
Full-time
FIX Connectivity Analyst Contract (6 Months) London/Hybrid Financial Services Client IR35: Inside IR35 Overview A leading financial services client is looking for an experienced FIX Connectivity Analyst to support their Global Markets Electronic Trading Infrastructure team. This is a hands-on contract role focused on FIX … onboarding, certification, and production support across multi-asset trading platforms. Key Responsibilities Onboard institutional clients and vendors to FIX trading platforms Configure and certify FIX sessions across UAT and Production Support FIX 4.2/4.4/5.0 message flows Monitor and troubleshoot live FIX sessions (sequence ...

Graduate Software Engineer - Hedge Fund FinTech - Summer 2026 Start

Hiring Organisation
Tempest Vane Partners
Location
Slough, Berkshire, UK
Employment Type
Full-time
Hosted on Linux in AWS with large calculations distributed over many instances and messaging via Redis. Trades are ingested from third-party platforms via FIX feeds, with services primarily written in Scala and Java. Source control, CI, CD and issue tracking are all done in GitLab. Infrastructure is provisioned ...

Senior Software Developer

Hiring Organisation
BGC Group
Location
Slough, Berkshire, UK
Employment Type
Full-time
years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking protocols, including TCP/IP, UDP, Unicast ...

Technical Business Analyst-Equities

Hiring Organisation
Harrington Starr
Location
Slough, Berkshire, UK
Employment Type
Full-time
Strong knowledge of EMEA market workflows, order routing, and market operations Experience with trading platforms (OMS, EMS) and market connectivity Technical skills in SQL, FIX protocol, and Linux commands Familiarity with trade reporting regulations (MiFID) is a plus This is a great opportunity to join a leading trading ...

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 ...

Frontend / UI React Developer - Fixed Income eTrading

Hiring Organisation
Vertus Partners
Location
Slough, Berkshire, UK
Employment Type
Full-time
front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other ...

Trading Application Support Engineer

Hiring Organisation
Durlston Partners
Location
Slough, Berkshire, UK
Employment Type
Full-time
Ability to write complex queries (joins, troubleshooting data integrity). Python: Scripting for automation and reading code to identify bugs. Nice to have: FIX Protocol experience or Scheduler knowledge (AutoSys/Control-M). How to Apply: Please apply to the advert to register your interest. Alternatively, please ...

Mid Level Trading Application Support/Reliability Engineer - Up to £150k + Bonus

Hiring Organisation
Hunter Bond
Location
Slough, Berkshire, UK
Employment Type
Full-time
elite cutting edge team. This team have an unlimited tech budget and promote a great culture! KEY RESPONSIBILITES Working closely with traders to fix issues when they arise Evaluate and recommend new technologies Working heavily with Python optimising and automating everything Being the point of escalation for complex issues … Skills And Experience Required Strong exposure to FIX Protocol Strong knowledge of Python Familiarity with configuration management tools is a plus Strong knowledge of the Linux command line ...

Application Support Associate

Hiring Organisation
SS&C Technologies
Location
Slough, Berkshire, UK
Employment Type
Full-time
Good technical background. Most desirable is experience of databases/SQL (ability to create and run own queries), MQ (any variant), SWIFT, ISO15022, ISO20022, FIX, XML, messaging authentication/certification techniques and secure FTP environments. Experience of project delivery life cycles, in accordance with industry best practice. Knowledge ...

Integration Engineer - FIX, Linux, SQL, Front Office - Trading - £70,000-£120,000 + Bonus

Hiring Organisation
Hunter Bond
Location
Slough, Berkshire, UK
Employment Type
Full-time
title: Integration Engineer – FIX, Linux, SQL, Front Office Client: FinTech Salary: £70,000-£120,000 Location: London/Hybrid Skills: Linux, SQL, Python, Bash, FIX The role: My client are seeking an individual with experience ideally working in the Front Office. You will work closely with a number … will have: Experience working in a Production Support or Integration role within Financial Services Front Office experience ideally Linux SQL Python/Bash FIX Please apply ASAP for more information. ...

Trading Infrastructure Engineer

Hiring Organisation
Vertus
Location
Slough, Berkshire, UK
Employment Type
Full-time
order handling, and a sophisticated margin and clearing engine. This is a fully remote , full time position. Responsibilities • Integrate with broker order flow using FIX APIs and bridge platforms (e.g., PrimeXM, Centroid) • Build internal routing and execution logic across multiple counterparties • Design and enforce margin and net settlement systems … reliability and accuracy of high-throughput trade matching infrastructure Requirements • 5+ years experience building backend infrastructure in financial markets • Direct experience integrating FIX APIs and broker bridges (PrimeXM required) • Experience with CFDs • Strong programming skills (Python, or similar) • Deep understanding of execution logic, margin enforcement, and post-trade flows ...