Software Engineer (ATM BASE24 Lead Engineer )
Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 27, 2026. OCBC Bank scores B on the Alion truth index.
WHO WE ARE:
As Singapore’s longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. How? By taking the time to truly understand people. From there, we provide support, services, solutions, and career paths that meet their individual needs and desires.
Today, we’re on a journey of transformation. Leveraging technology and creativity to become a future-ready learning organisation. But for all that change, our strategic ambition is consistently clear and bold, which is to be Asia’s leading financial services partner for a sustainable future.
We invite you to build the bank of the future. Innovate the way we deliver financial services. Work in friendly, supportive teams. Build lasting value in your community. Help people grow their assets, business, and investments. Take your learning as far as you can. Or simply enjoy a vibrant, future-ready career.
Your Opportunity Starts Here.
ATM BASE24 Lead Engineer
Position Summary : We are seeking an experienced ATM BASE24 Lead Engineer to lead the design, development, enhancement, and support of mission-critical ATM and electronic payment switching platforms based on the ACI BASE24 solution.
The successful candidate will be responsible for ensuring system stability, driving strategic enhancements, supporting business initiatives, and leading a team of engineers in delivering high-quality payment processing services.
Key Responsibilities:-
Technical Leadership
- Lead the development, implementation, and support of ATM and payment-switching solutions using ACI BASE24.
- Provide technical leadership and mentoring to team members.
- Define technical standards, best practices, and operational procedures.
- Review solution designs, code changes, and deployment plans.
Application Development & Support
- Design, develop, and maintain BASE24 applications and custom enhancements.
- Analyse business requirements and translate them into technical solutions.
- Support ATM transaction processing, authorization, reconciliation, and settlement functions.
- Perform impact assessments and effort estimations for new change requests.
Production Support
- Provide Level 3 support for production incidents and critical system issues.
- Troubleshoot transaction processing failures and performance-related issues.
- Coordinate incident resolution with infrastructure, network, vendors, and business teams.
- Participate in On-Call support and major incident management activities.
Project Delivery
- Lead project implementation activities, including requirement analysis, design, testing, and deployment.
- Collaborate with business stakeholders, vendors, and regional teams.
- Support system upgrades, migration initiatives, and platform modernization efforts.
- Ensure projects are delivered within scope, timeline, and quality expectations.
Governance & Compliance
- Ensure compliance with security, audit, and regulatory requirements.
- Support risk assessments, disaster recovery testing, and business continuity activities.
- Maintain accurate technical documentation and operational procedures.
Required Qualifications
- Bachelor’s degree in computer science, Information Technology, Engineering, or related discipline.
- 8+ years of experience in ATM and electronic payment systems.
- Strong hands-on experience with ACI BASE24-Classic / BASE24-EPS.
- Experience in ATM transaction processing and payment switching environments.
- Proficiency in HP NonStop (Tandem) systems.
- Strong knowledge of: TACL, TAL, COBOL, Pathway, Enscribe, SQL/MP
- Experience with ISO 8583 messaging standards.
- Strong troubleshooting and production support experience.
- Excellent communication and stakeholder management skills.
Preferred Qualifications
- Experience in banking or financial services environments.
- Knowledge of card management systems, debit/credit card processing, and payment networks.
- Experience with ATM driving, interchange connectivity, and switch integrations.
- Familiarity with DevOps, automation, and monitoring tools.
- Experience leading regional or geographically distributed teams.
Key Competencies
- Technical Leadership
- Problem Solving and Root Cause Analysis
- Stakeholder Management
- Project Delivery
- Risk and Change Management
- Communication and Collaboration
- Customer Focus
Seniority Level : Lead Engineer / Technical Lead
Industry : Banking, Financial Services, Payments Technology
Keywords: ACI BASE24, BASE24-eps, ATM Switching, HP Non-Stop, Tandem, ISO 8583, Electronic Payments, ATM Transaction Processing, Payment Systems, Banking Technology, Technical Lead.
What we offer:
Competitive base salary. A suite of holistic, flexible benefits to suit every lifestyle. Community initiatives. Industry-leading learning and professional development opportunities. Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.