Job Description: AS400 COBOL Developer
Location: Kuala Lumpur, Malaysia
Work Type: Full-Time (On-site / Hybrid)
About the Role
We are working with a leading global technology and consulting organisation supporting enterprise clients across multiple industries. The team delivers large-scale application development, modernization and support services, with a strong focus on legacy platforms and mission-critical systems.
This role is ideal for a developer with experience in AS400 / COBOL environments who is looking to work on complex systems, contribute to large-scale projects, and collaborate within a structured, high-performance delivery environment.
Role Overview
The AS400 COBOL Developer will be responsible for developing, enhancing and maintaining applications within an IBM i (AS400) environment. The role involves working closely with cross-functional teams to deliver reliable and scalable solutions that support business-critical operations.
The individual will contribute across the full software development lifecycle, including design, development, testing, deployment and ongoing support.
Key Responsibilities
1. Application Development & Enhancement
- Develop, maintain and enhance applications using AS400 COBOL
- Build new components and functionalities based on business requirements
- Modify and optimise existing systems to improve performance and reliability
- Ensure adherence to coding standards and development best practices
2. System Integration & Configuration
- Configure and support packaged software and enterprise applications
- Integrate legacy systems with modern platforms where required
- Utilise system features and tools to deliver efficient and scalable solutions
3. Testing & Quality Assurance
- Perform unit testing, system testing and support user acceptance testing (UAT)
- Troubleshoot and resolve defects and performance issues
- Ensure high-quality deliverables aligned with project standards
4. Production Support & Deployment
- Support application releases into production environments
- Assist in deployment planning, scheduling and execution
- Provide post-deployment support and issue resolution
- Ensure system stability and performance in live environments
5. Collaboration & Problem Solving
- Work closely with business analysts, project managers and technical teams
- Participate in technical discussions and solution design sessions
- Contribute ideas and solutions to address project challenges
- Operate independently while also collaborating within a team environment
6. Continuous Improvement & Learning
- Stay updated on legacy and modernisation technologies
- Contribute to knowledge sharing within the team
- Participate in training and upskilling initiatives
Requirements
- Bachelor's degree in Computer Science, Information Technology or related field
- Minimum 13 years of experience in AS400 / COBOL development
- Strong proficiency in:
- AS400 COBOL
- IBM i (AS400) environment
- Experience in application development and maintenance
- Understanding of software development lifecycle (SDLC)
Preferred Skills
- Experience with IBM DB2/400 or similar database technologies
- Exposure to system integration and legacy modernization projects
- Familiarity with enterprise application environments
- Experience working in structured delivery or consulting environments
Key Competencies
- Strong analytical and problem-solving skills
- Ability to work independently and manage assigned tasks
- Good communication and collaboration skills
- Attention to detail and commitment to quality
- Adaptability in a fast-paced project environment
Why Join
- Opportunity to work on enterprise-scale, mission-critical systems
- Exposure to diverse industries and complex transformation projects
- Structured learning and development environment
- Clear career progression and skill development pathways
- Collaborative, high-performance team culture
