Transcat Developer (Temenos T24)

  • Sivara GmbH
  • 21/06/2026
Full time Information Technology Telecommunications

Job Description

Salary: £60,000 - 70,000 per year

Requirements:
  • We require proven experience working in banks as a T24 technical resource.
  • We require in-depth technical knowledge of the T24 system, ideally including the latest releases R23 and R24, as well as modules AA, TPH, and TDH.
  • We require experience participating in T24 upgrade and integration projects, including API integrations.
  • We require an excellent understanding of T24 TAFJ running on an MS SQL database.
  • We require strong Java development skills for T24.
  • We require solid experience in T24 integration, interfacing, and customisation of browser functionality.
  • We prefer candidates who can work in a technical consultancy or systems analyst capacity for Temenos Transact / T24.
  • We prefer candidates with experience supporting banking systems in a production environment.
  • We value candidates who can contribute to system upgrades, patches, and enhancements.
  • We prefer candidates who can troubleshoot complex operational issues and support urgent incidents.
  • We prefer candidates who are able to provide out-of-hours support when needed.
Responsibilities:
  • We enhance T24 system functionality to meet our banking needs.
  • We carry out updates, patch installations, and integrations with other IT systems.
  • We lead software development from design to delivery, including coding, code review, and unit testing.
  • We monitor T24 system performance and security.
  • We analyze business requirements and develop technical specifications.
  • We resolve operational issues and support problem resolution.
  • We coordinate with the Temenos Helpdesk to resolve issues.
  • We provide out-of-hours support for urgent system issues.
  • We work as part of a small team supporting the T24 / Transact product.
  • We support API integrations and other interface/customisation work as required.
Technologies:
  • API
  • Support
  • Java
  • SQL
  • Security
  • Swift
More:

We are a long-established international bank offering an excellent long-term opportunity with strong benefits, including a 12.5% pension contribution, performance-based bonus of up to 25%, 28 days of leave rising with service, and private health and dental cover. We are based in Central London / the West End, with a hybrid working pattern of four days in the office and one day from home. You will join a small team supporting our T24 / Temenos Transact platform, working in a central location with plenty nearby to see and do.