> Markdown version of [/jobs/ext/2387410-application-support-fix-specialist-london](https://www.wearedevelopers.com/jobs/ext/2387410-application-support-fix-specialist-london). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Application Support (FIX Specialist)- London

- **Company:** FDM Group
- **Location:** London, UK
- **Contract:** Temporary contract
- **Skills:** Data Analysis, Database Queries, Financial Information EXchange, Session Management, Shell Script
- **Published:** August 11, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=ba00412458b47f14

## About the Role

* Strong knowledge of FIX Protocol, including FIX session management, troubleshooting, and client onboarding.
 * Experience supporting Cash Equities Trading environments.
 * Experience supporting OMS (Order Management Systems) and EMS (Execution Management Systems).
 * Strong SQL skills for data analysis, troubleshooting, and investigation.
 * Experience working in Unix/Linux environments, including command-line administration and shell scripting.
 * Understanding of front-office trading workflows and the lifecycle of equity orders and trades.
 * Experience working within a production support or application support function.
 * Strong analytical and problem-solving skills with the ability to work under pressure in a business-critical environment.

## Description

We are seeking an Application Support Analyst to join a team responsible for the complete front-office application support function for Equities Trading. The role will focus on supporting OMS/EMS platforms, managing trade flow issues, onboarding FIX clients, and providing technical support to trading desks, business users, and external clients. This is initially a 12 month contract with the potential to extend and will be a Fully office based role that will be based in London.

This is a hands-on support role requiring strong FIX Protocol knowledge, experience supporting electronic trading applications, and the ability to troubleshoot across multiple technologies in a fast-paced trading environment.
Responsibilities:

 * Provide front-office application support for equities trading platforms and related applications.
 * Support and troubleshoot OMS/EMS systems, ensuring smooth order and trade flow processing.
 * Manage FIX connectivity issues, client onboarding, certification, and production support activities.
 * Investigate and resolve application, trade, and market connectivity incidents.
 * Work closely with traders, sales traders, operations teams, technology teams, and external clients.
 * Perform root cause analysis and drive improvements to system stability and performance.
 * Monitor production systems and proactively identify potential issues.
 * Support release deployments and participate in change management activities.
 * Create and maintain operational runbooks, support documentation, and procedures.


## Related Videos

- [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets)
- [Dangerous Reactivity: Why AI Output Is the New XSS](https://www.wearedevelopers.com/videos/100115-dangerous-reactivity-why-ai-output-is-the-new-xss)
- [MCP doesn’t suck — your agent does](https://www.wearedevelopers.com/videos/100202-mcp-doesn-t-suck-your-agent-does)
- [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail)
- [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option)
- [Plan to link your LLM to your production database? What could possibly go wrong?](https://www.wearedevelopers.com/videos/2088-plan-to-link-your-llm-to-your-production-database-what-could-possibly-go-wrong)

## Related Articles

- [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)
- [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)
- [Average Salary in London](https://www.wearedevelopers.com/magazine/280-average-salary-in-london)
- [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)
- [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette)