T24 Testing/Migration Developer (T24)

Migration Developer (T24)

Key Responsibilities

The Migration Developer will serve as a key technical contributor within the core banking transformation programme, focused on the accurate and secure migration of client, account, and transactional data into Temenos Transact T24.

Specialising in the T24 Data Migrator (DM) tool, the developer will design, implement, and validate end-to-end data loading processes across multiple banking modules, ensuring data integrity, compliance, and operational readiness.

Develop and execute data migration loads into T24 using the native Data Migrator (DM) tool, applying best practices for staging, transformation, validation, and error handling.

Demonstrate in-depth understanding of T24 functional modules relevant to migration, including:

CUSTOMER (Client Master)

ACCOUNT (Deposit, Loan, Securities Accounts)

Full Time (Product Agreements)

ARRANGEMENT ARCHITECTURE

PRIVATE BANKING (Derivatives, Forex, Securities, Corporate

Actions,..)* At least any one of the above

LEDGER (Balances, Holdings)

PAYMENT, LIMITS, and RELATIONSHIP

Configure and manage DM templates, mappings, filters, and loaders for

each module, tailoring approaches based on volume, complexity, and

dependencies.

Apply appropriate loading techniques depending on module and context:

Initial Load vs. Delta Migration

Use of TDB (Transactional Database) vs. Historical Database (HIST)

Handling of effective dating, event-driven updates, and version chains

Integrate DM workflows with external ETL tools or scripts for preprocessing and reconciliation.

Perform pre-load validation, post-load verification, and reconciliation to ensure data fidelity across source and target environments.

Diagnose and resolve DM errors related to reference data, mandatory fields, cascading updates, or business rule violations.

Collaborate with Business Analysts, Testers, and Infrastructure teams during SIT, UAT, and go-live support.

Document technical designs, data flows, exception logs, and recovery procedures for audit and operational sustainability.

Essential Qualifications

Minimum 5 years of technical experience in T24 environments, with direct involvement in at least two full-cycle T24 migration or implementation projects.

Proven expertise in the T24 Data Migrator (DM) tool, including template creation, loader configuration, and troubleshooting.

Strong command of the jBASE/T24 platform, TAFC , ECI calls, and basic jQL/jBC scripting for automation and validation.

Hands on experience in TAFJ, DB tools, Infobasic coding

Hands on experience on Screen, Enquiry Designing, OFS concepts, multi-threaded routines, Customisation in T24/Transact, and worked on T24 Latest releases (at least R23 and above)

Good understanding on the T24 Pack deployments using DSF packager

Solid understanding of T24 data model, record structures, workflow events, and integration points.

Experience working in regulated banking environments with emphasis on data security and integrity.

Preferred Attributes

Familiarity with Agile/Waterfall hybrid delivery models and tools such as Jira, Git, or SVN.

Exposure to data quality frameworks, profiling techniques, and automated reconciliation scripts.

Knowledge of Swiss private banking operations and regulatory requirements (e.g., FATCA, CRS, MiFID II).