eRates Application Support

Company: Lorien
Apply for the eRates Application Support
Location: London
Job Description:

Hybrid Working – London – 2-3 days a week on site.


Lorien’s leading banking client is looking for an eRates Application Support professional to provide functional and technical support across a complex Front Office trading environment. The role will focus primarily on Rates and Repo products, supporting business-critical trading applications and ensuring the stability, availability and performance of the end-to-end application landscape.


The successful candidate will combine strong financial markets/product knowledge with hands-on technical capability and will act as a key bridge between Front Office users, technology teams and other stakeholders.


This role is based in London.


This role will be Via Umbrella.


Working in a Hybrid Model of 2-3 days a week on site.


Key Responsibilities



  • Provide functional and technical application support for Front Office Rates and Repo trading applications.

  • Manage production incidents and problems, performing investigation, root-cause analysis and coordinating resolution.

  • Support complex end-to-end application chains, understanding upstream/downstream dependencies and business impact.

  • Work closely with Traders, Front Office users, developers, infrastructure teams and senior stakeholders.

  • Use SQL to investigate data, troubleshoot issues and analyse application behaviour.

  • Support applications across Unix, Linux and Windows environments, including web application servers and portals.

  • Utilise basic scripting, ideally Python, for troubleshooting and automation.

  • Support change and release management, ensuring controlled implementation into production.

  • Translate technical issues into clear business language and communicate effectively across technical and non-technical teams.

  • Identify opportunities to improve application stability, resilience and support processes.

  • Contribute to projects and application enhancements, delivering within agreed time, quality and budget constraints.

  • Provide guidance and support to junior team members.


Skills & Experience



  • Strong experience in Application/Production Support, predominantly within a Front Office Trading environment.

  • Good financial markets knowledge with a strong understanding of Rates and Repo products.

  • Experience supporting business-critical trading applications and understanding their impact on Front Office operations.

  • Strong incident, problem and root-cause management experience.

  • Good knowledge of Unix, Linux and Windows systems.

  • Strong SQL skills, including query writing, troubleshooting and data analysis.

  • Basic scripting capability, ideally Python.

  • Knowledge of web application servers and portals.

  • Strong understanding of production, change and release management processes.

  • Experience supporting complex functionality and end-to-end application architectures.

  • Excellent analytical and problem-solving skills.

  • Strong stakeholder management and communication skills, with the ability to engage effectively from junior through to senior level.

  • Self-motivated and able to work independently within a fast-paced, complex environment.

  • Experience contributing to or managing projects and delivering within time, quality and budget constraints.


Key Skills


eRates | Rates | Repo | Front Office | Application Support | Production Support | Trading Applications | SQL | Unix/Linux | Python | Incident & Problem Management | Change & Release Management | Stakeholder Management

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Posted: September 22nd, 2026