George K Waruingi

George K Waruingi

Senior Product Specialist, T24

About

Experienced banking professional with 8+ years as a Temenos Transact techno-functional consultant. Expert in T24 products with a proven track record of delivering complex banking solutions across multiple modules and channels.

Certified by Temenos at the Practitioner level, with deep expertise in requirement gathering, solution design, technical development, and post-production support. Passionate about learning and contributing to innovative organizations in the fintech and banking technology space.

Experience

SENIOR PRODUCT SPECIALIST, T24

April 2020 – Present

COGNIZANT TECHNOLOGY SOLUTIONS

  • AA issues resolution, in the accounts and deposits modules.
  • Resolving any issues regarding LIMITS associated with customer accounts.
  • Offering guidance with the archival process as a way of managing production database with the data it keeps.
  • Conduct requirement gathering and translate BRDS into Functional and Technical Solution documents.
  • Analyze client business requirements and align with Transact CBS capabilities.
  • Define and validate customization needs for Temenos products based on business definitions.
  • Resolve issues in securities modules and provide solutions per client requirements.
  • Perform technical development - create templates, parameter tables, local tables, IRIS APIs, batch, and COB services.
  • Execute functional SIT, UAT, go-live, and post go-live support.
  • Conduct root cause analysis, troubleshoot, and correct issues in the Core Banking System.
  • Collaborate with IT and business teams for coordination.
  • Train new resources on Transact Core Banking System and coding standards.

PRODUCT SPECIALIST

April 2020 - March 2021

COGNIZANT (GB) LIMITED

  • Integrated T24 with Western Union for money remittance and withdrawals
  • Developed mobile banking platform using versions, enquiries, and Temenos Web Services.
  • Created new INTRF.MAPPING IDs and enhancements.
  • Developed IRIS APIs for mobile banking.
  • Wrote batch service to check overdue loans based on AA balance types.
  • Resolved AA issues and provided BAU support.
  • Supported UAT, SIT, pre-live, and go-live activities.

SYSTEMS ANALYST, T24 (CONTRACT)

July 2019 - January 2020

UNAITAS SACCO SOCIETY LIMITED

  • Reviewed existing loans and devised structured list of activities and balance types
  • Customized loan statements with preferred wording and ensured transaction self-balancing
  • Utilized T24 core system and Design Studio to develop Web services for mobile loans
  • Configured AA lending products and facilitated bulk customer registration, funds transfer, M-PESA mapping
  • Developed FT versions and enquiries for ATM channel transactions
  • Created local and parameter tables and generated war files using Design Studio
  • Engineered batch service for bulk cheque uploads from CSV files
  • Designed fast path enquiry for transaction authorization or rejection.

T24 TECHNICAL CONSULTANT

February 2016 - June 2019

SENSYS LTD, KENYA

  • Spearheaded Stawi Mobile Lending for SMEs as flagship developer
  • Implemented Arrangement Architecture for scalability and efficiency
  • Led L3 development, tailored local tables, versions, enquiries, and Batch/COB routines
  • Designed and developed APIs in TWS for seamless integration
  • Configured events using Temenos Integration Framework for data sharing with SOA
  • Engineered Account and Lending Products in AA module
  • Conducted environment maintenance and synchronized dates for loan accrual
  • Supported SIT, UAT, go-live, and post go-live phases

BUSINESS DEVELOPMENT, T24 PROJECTS

November 2014 - January 2016

SENSYS LTD, KENYA

  • Identified potential clients in the banking industry running on Temenos Core Banking System.
  • Identified gaps within existing projects in order to get change requests based on client demands, or new projects in general.
  • Purchase Orders follow-ups soon for newly issued projects, or any approved change requests.

SKILLS & TECHNOLOGIES

Banking Software

Temenos/T24 Transact

Securities Module (SC)Funds Transfer (FT)Temenos Payments Hub (TPH)Teller (TT)Money Markets (MM)Arrangement Architecture (AA)Accounts (AC)General LedgerARC Internet BankingSwiftProxy Arrangement (AI&AP)

Development and Integration

Temenos/T24 Transact

TAFCTAFJDesign StudioTemenos Web ServicesIntegration FrameworkOFSIris WorkbenchCOBTSMBulk uploadsBuild controlIRIS APIs

Database & Data Engineering

PostgreSQLSnowflakeAmazon RedshiftData pipeline developmentETL processesData modelling

Other Technologies

JBOSS EAPDockerGitPython 3SQLApache AirflowDBT

Tools & Methodologies

JIRASDLCSTLCProject Management processesSIT, UAT, Pre-Live, Post-Live, and Production support

Notable Projects

Stawi Mobile Lending Platform

Sensys Ltd / NCBA Bank2016 - June 2019

Led the development of a flagship mobile lending platform for SMEs using Temenos T24.

  • Implemented scalable Arrangement Architecture
  • Developed custom IRIS APIs for seamless integration
  • Configured lending products with automated accrual routines
  • Supported full lifecycle from development through production

Western Union Integration & Mobile Banking

Cognizant (GB) LimitedApril 2020 - March 2021

Integrated T24 core banking system with Western Union for international money remittance.

  • Designed and implemented payment gateway integration
  • Developed mobile banking platform with modern APIs
  • Created batch services for automated transaction monitoring
  • Enabled secure fund transfers and withdrawals

Digital Loan Platform

Unaitas SACCO SocietyJuly 2019 - January 2020

Developed comprehensive digital loan origination and management platform.

  • Configured end-to-end loan product architecture
  • Implemented bulk customer registration and management
  • Developed ATM integration for loan withdrawals
  • Created automated cheque processing system

Education & Certification

Temenos Certified Practitioner

Temenos - Practitioner Level

Bachelor of Commerce (B.Com)

Egerton University, 2014

Finance and Banking

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