1 to 25 of 35 FIX Protocol Jobs

Technical Account Manager, Equities & FX

Hiring Organisation
OneChronos
Location
City of London, London, 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 ...

QA Tester - Trading Systems (London)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Execute functional and automated testing for trading applications Trace trade and order flows across multiple integrated systems to ensure accuracy and data integrity Validate FIX protocol message flows, including data transformation and routing Conduct reconciliation testing between trading platforms and downstream systems Support release cycles, including regression testing … Requirements Proven experience in QA/testing within trading or capital markets environments Strong experience with functional testing of trading applications Solid understanding of FIX Protocol Strong SQL skills for data validation and analysis Experience working in Linux/Unix environments (commands and basic scripting) Good understanding ...

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 ...

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 ...

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 ...

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 ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows, and the FIX protocol. Demonstrated ability to debug, optimize, and troubleshoot code and system performance issues. Job Info Job Identification 165083 Job Category Vice President Posting Date ...

Director of Software Engineering - C++ - Global Head of Derivatives Exchange Connectivity

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
into a Linux environment. Design, develop, test, and support various Market Access trading and risk management modules in C/C++. Working knowledge of FIX protocol. Experience in low latency connectivity to Futures and Options markets e.g., Eurex, CME, and ICE. Order management experience with Multileg products in Futures ...

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 ...

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 ...

Quant Developer - efx | kdb | java

Hiring Organisation
Korn Ferry
Location
London, England, United Kingdom
applications Advanced Java development skills, including performance optimisation (low GC, lock-free techniques) Experience with Real Time messaging frameworks/protocols (eg Aeron, Kafka, FIX, ITCH, OUCH) Familiarity with time-series data platforms, preferably KDB Solid understanding of modern software engineering practices (CI/CD, testing, agile) Ability ...

Java Developer Crypto Exchange Connectivity - 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 ...

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 QA Engineer JBLE1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
. Familiarity with BDD frameworks (Cucumber) and performance testing tools (JMeter). Knowledge of non-functional testing (performance, load, stress, security). Understanding of FIX protocol and trade lifecycle. Excellent communication skills and ability to work in Agile/SAFe environments. Desired Experience with financial/trading platforms ...

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

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 ...

Fidessa Application Support Analyst - up to £100,000 - Hybrid

Hiring Organisation
Involved Solutions
Location
Bromley, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £850,000 per annum
large-scale trading environments and modern technologies. Essential skills - Fidessa Application Support Analyst: Strong experience with Fidessa Equities/Global Markets knowledge Understanding of FIX Protocol Java & Linux experience Scripting (Python, Shell, or TCL) Experience with SQL databases (Sybase/MS SQL) Messaging frameworks (IBM MQ, TIBCO ...

Senior Java Engineer - Algorithmic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
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 ...

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 ...

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 ...

Quantitative Developer (C++ Crypto)

Hiring Organisation
Hawksman Technology
Location
City of London, London, United Kingdom
high-performance systems for trading, order routing, and real-time market data processing Contribute to the design and optimisation of exchange connectivity layers , including FIX-style protocols, native exchange APIs, and WebSocket feeds Build and enhance components inspired by matching engine/exchange-grade architecture , including order lifecycle management ...

Low Latency Engineer

Hiring Organisation
Harrington Starr
Location
London Area, 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 ...

Software Engineer Apprentice

Hiring Organisation
QA
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 per annum
changes, and learn how reliable services are delivered in production Integration & connectivity (exposure): Learn how we onboard and support connectivity with external parties (e.g., FIX connections), following documented processes and escalating appropriately Support client onboarding and certification activities, helping improve documentation and automation to make integrations smoother over time ...

Senior Product Manager - Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
solving skills – you can string together a SQL query Experience with testing/integrating to APIs Preferred Experience building trading APIs (REST/WebSocket, FIX, gRPC, webhooks), order routing and matching, and market data systems Background in crypto trading, cross-border settlement, or treasury management Experience in a fast ...