T24 Technical Specialist (Temenos Transact)

We are seeking an experienced T24 Technical Specialist to join a dynamic international banking technology team in Central London. This is an excellent opportunity for a technically strong professional with deep expertise in Temenos Transact (T24) to play a key role in supporting, enhancing, and evolving a critical core banking platform.

This is an in-house, end client role with exceptional career security, progression & stability.

Location: Central London (Hybrid: 4 days office / 1 day home)
Salary: £66,000 per annum starting salary + bonus & very good corporate bank benefits package

Job title: Temenos Transact (T24) Systems Developer.

The Role

You will act as a subject matter expert for T24, ensuring smooth day-to-day operations, driving system improvements, and supporting integrations across the bank s IT landscape. You ll work closely with business and technical stakeholders to deliver robust, scalable, and compliant solutions, across the T24 Transact ecosystem.

Key Responsibilities

• Support and resolve issues across T24 daily operations
• Enhance system functionality to meet evolving business needs
• Deliver development across the full lifecycle: design, coding, testing, and maintenance
• Install patches, upgrades, and support system integrations (including APIs)
• Monitor system performance, stability, and security
• Translate business requirements into technical and functional specifications
• Collaborate across teams and liaise with Temenos support where required
• Provide user support, documentation, and knowledge sharing
• Participate in out-of-hours support for critical issues

Key Skills & Experience

• Strong experience with Temenos Transact T24 (including R24, AA, TPH, SC, RP modules)
• Expertise in TAFJ, MS SQL, and jBC development
• Working knowledge of Java within T24 environments is desirable.
• Proven experience in integrations, APIs, and system customisation (Browser)
• Solid understanding of banking products and core systems

If you re passionate about banking technology and want to work on a core platform that drives real business impact, we d love to hear from you.