Lorien
T24 Developer
Requirements
Candidates should have 5-7+ years of experience with Temenos T24/Transact and proven delivery of TAFC to TAFJ migration programs. Strong exposure to R21+ and experience with Oracle database migration is highly desirable.
Job Description
🚨 Hiring: T24 Developer
📍 Location: London - Onsite 2/3 days a week
🕒 Contract: 9 Months
💷 Rate: £535/day (Inside IR35 – fixed)
🔐 Security Clearance (SC): Preferred (clearance sponsorship available if required)
We’re looking for an experienced Senior T24 / Transact Technical Consultant to join a major transformation programme focused on Temenos T24 / Transact modernisation, including TAFC → TAFJ migration and Oracle database transition.
Key Experience Required:
✅ 5–7+ years working with Temenos T24 / Transact
✅ Strong exposure to R21+ (R24+ highly desirable)
✅ Proven delivery of TAFC → TAFJ migration programmes
✅ Experience with:
- Impact assessments & gap analysis
- Code remediation & conversion
- T24 database migration (jBASE → Oracle)
- Data validation & reconciliation
- TAFJ architecture & Java runtime stack
Technical Skills:
• T24 architecture & upgrade lifecycle
• Oracle Database
• COB (Close of Business) processing
• Local developments (L3 code)
• Version routines, enquiries & templates
• JBoss / Java application stack
• IBM MQ & integration layers
• APIs and file-based interfaces
• Environment setup, deployment & performance troubleshooting
Responsibilities:
🔹 Lead TAFC → TAFJ migration activities
🔹 Support Oracle migration and environment alignment
🔹 Build and configure environments across DEV/UAT/PROD
🔹 Investigate and resolve technical issues
🔹 Support SIT/UAT execution and defect management
🔹 Contribute to technical design and interface mapping
🔹 Work within Agile delivery teams and maintain project documentation
Nice to Have:
➕ Large-scale T24 upgrade experience
➕ Agile / Scrum exposure
➕ CI/CD and DevOps understanding
➕ Knowledge of payments and SWIFT messaging
If you’re interested or know someone suitable, please send your CV or connect directly.
Skills
About Lorien
Lorien is a technology, transformation and telecom talent solutions specialist. We combine tech expertise with the scope, depth and breadth of large-scale talent solutions. Driven by both clients and candidates, covering Europe and the US, we work with all sectors, sizes and tech needs – from start-up to established, tech companies and those who use tech to propel them further - we work with them all. Our unique position in the market means we have the insight to create tailored solutions – keeping our clients ahead of the curve and giving complete agility. From one-off placements to scalable enterprise solutions, executive search to next-generation tech skills, time-sensitive projects to ongoing digital journeys – we flex to fit the requirement. We are the house of global technology recruitment. Lorien is powered by Impellam, a connected group providing global workforce and specialist recruitment solutions. To learn more about Impellam Group, visit: www.impellam.com.