Senior AS400 Developer (COBOL)

About Accenture
Accenture is a leading global professional services company that helps the world's leading organizations build their digital core, optimize their operations, accelerate revenue growth and enhance services-creating tangible value at speed and scale. We are a talent- and innovation-led company with 774,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world's leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360째 value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360째 value we create for our clients, each other, our shareholders, partners and communities. Visit us at

Employment Equal Opportunities
You will also have opportunities to hone your functional skills and expertise in an area of specialization. We offer a variety of formal and informal training programs at every level to help you acquire and build specialized skills faster. Learning takes place both on the job and through formal training conducted online, in the classroom, or in collaboration with teammates. The sheer variety of work we do, and the experience it offers, provide an unbeatable platform from which to build a career. Accenture is an equal opportunities employer and welcomes applications from all sections of society and does not discriminate on grounds of race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual orientation, gender identity, or any other basis as protected by applicable law.

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SN298 Core Banking

Job Title: Senior AS400 Developer (COBOL)
Domain: Core Banking
Sub-Domain: ATM
Experience Level: Senior (L3: 6-9 years)
Location: Kuala Lumpur

Job Summary:
We are seeking a Senior ATM Core Banking Developer to design, develop, and maintain ATM host applications within a core banking environment. The role focuses on supporting customer self-service ATM systems running on AS400/DB2 platforms. The ideal candidate will have strong expertise in COBOL 400 and hands-on experience in ATM transaction processing systems, ensuring high availability, security, and reliability of banking services.

Key Responsibilities:
Design, develop, and maintain ATM Host applications on AS400 platform
Develop and enhance COBOL 400 programs for ATM transaction processing
Support end-to-end ATM functionalities including withdrawals, deposits, balance inquiries, and fund transfers
Work with DB2 databases for data processing and integration
Analyze, troubleshoot, and resolve production issues in ATM systems
Collaborate with business and technical teams to deliver enhancements and fixes
Participate in system testing, deployment, and post-production support
Ensure compliance with banking security standards and transaction integrity
Maintain technical documentation and support SDLC processes

Required Skills:
6-9 years of experience in core banking or ATM-related development
Strong hands-on experience in COBOL 400 (mandatory)
Experience working on AS400 (IBM iSeries) environment
Good knowledge of DB2 database on AS400
Strong understanding of ATM (Automated Teller Machine) systems and customer self-service banking
Experience in production support and incident resolution
Strong debugging, analytical, and problem-solving skills
Nice-to-Have Skills:
Experience with DevOps practices in AS400 environments
Knowledge of ALDON or similar deployment automation tools
Understanding of encryption and security protocols in banking systems
Exposure to core banking transaction processing systems
Familiarity with change management and release processes
Experience working in Agile or hybrid delivery environments

Required Skills:
6-9 years of experience in core banking or ATM-related development
Strong hands-on experience in COBOL 400 (mandatory)
Experience working on AS400 (IBM iSeries) environment
Good knowledge of DB2 database on AS400
Strong understanding of ATM (Automated Teller Machine) systems and customer self-service banking
Experience in production support and incident resolution
Strong debugging, analytical, and problem-solving skills
Nice-to-Have Skills:
Experience with DevOps practices in AS400 environments
Knowledge of ALDON or similar deployment automation tools
Understanding of encryption and security protocols in banking systems
Exposure to core banking transaction processing systems
Familiarity with change management and release processes
Experience working in Agile or hybrid delivery environments

About Accenture

Accenture is a leading global professional services company that helps the world's leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services-creating tangible value at speed and scale. We are a talent- and innovation-led company with approximately 791,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world's leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360째 value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360째 value we create for our clients, each other, our shareholders, partners and communities.

Visit us at

Equal Employment Opportunity Statement

We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, militaryveteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by applicablelaw. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities.