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Fidessa Developer @ Apex Systems US

Aldersgate Street, St Paul'sOnsiteFull-time
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About this role

Salary: £? - ? per year

Requirements: Hands-on Fidessa development experience within OMS and/or EMS environments.Strong Fidessa architecture and implementation knowledge.Direct platform customisation including workflow changes, order routing logic, custom screens and business rules.Strong TCL development experience.Experience with Fidessa upgrades in customised environments.Linux/Unix experience.Equities trading systems and order management knowledge.Ability to discuss complex OMS workflow challenges personally solved.Experience with a broad range of Fidessa products is highly desirable, including CASE, FBL, TOP (OMAR, TMAR, PMAC), PAIRS, NMS, FIX+, APAS and FDA.Additional technical experience may include FIX Protocol, Python, Shell Scripting, PowerShell, Sybase and SQL Server, distributed systems and event-driven architecture, messaging technologies such as IBM MQ, AMPS or Tibco EMS, and CI/CD, DevOps and automated testing frameworks.Java development experience is desirable.FDA expertise is desirable.FTW implementation or development experience is desirable.Experience within large-scale global investment banking environments is desirable. Responsibilities: Develop, customise and enhance Fidessa trading applications and workflows.Build custom screens, business logic, order management functionality and workflow automation.Deliver ongoing platform enhancements and participate in Fidessa upgrades.Develop and maintain TCL-based solutions within the Fidessa platform.Integrate external market and trading data feeds, including RTD solutions.Collaborate with technology teams, project managers and business stakeholders on strategic initiatives.Support production trading systems and contribute to DevOps and automation efforts. Technologies: CI/CDDevOpsIBMSupportJavaLinuxPowerShellPythonSQLTIBCOUnix More:

We are seeking an experienced Fidessa Developer to join our global Equities Cash Technology team supporting institutional and retail trading businesses. This is a hands-on development role focused on the customisation, enhancement, implementation and support of a highly tailored Fidessa environment. We are specifically seeking candidates who have developed and customised functionality inside Fidessa. This is not a support, QA, business analysis or integration-focused position.

last updated 38 week of 2026

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