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# Fidessa Developer

- **Company:** Fidessa
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Tibco Ems, Java (Programming Language), Algorithmic Trading, Business Logic, Continuous Integration, Linux, DevOps, Distributed Systems, Financial Information EXchange, IBM WebSphere MQ, Python (Programming Language), Enterprise Messaging Systems, Microsoft SQL Server, Windows PowerShell, Shell Script, Tcl (Programming Language), Sybase, Event Driven Architecture
- **Published:** September 16, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/fidessa-developer/47307449

## About the Role

Overview We are seeking an experienced Fidessa Developer to join a 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. The successful candidate will have deep expertise in Fidessa architecture and a proven track record developing solutions directly within OMS/EMS platforms. This is not a support, QA, business analysis or integration-focused position. We are specifically seeking candidates who have developed and customised functionality inside Fidessa. Key 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. Required Experience Candidates must demonstrate: * 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 they have personally solved. Technical Skills 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 * CI/CD, DevOps and automated testing frameworks Desirable Skills * Java development experience * FDA expertise * FTW implementation or development experience * Experience within large-scale global investment banking environments



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