Browse open positions for AS/400 developers, administrators, analysts, and operators in Singapore.
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Employers hiring for people with expertise in AS/400 also frequently require knowledge of Mainframe, IBM i, DB2, and RPG. This is based on data from over 106 AS/400 listings.
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IBM i, originally launched as AS/400 in 1988, was designed as an all-in-one business computing platform combining operating system, database, security, and middleware into a single integrated environment. Its simplicity and reliability made it especially popular with mid-sized enterprises.
IBM i is still widely used today, particularly in manufacturing, distribution, retail, and logistics. Its tightly integrated DB2 database, strong security model, and long-term backward compatibility allow businesses to run decades-old applications alongside modern RPG, Java, and web-based workloads with minimal disruption.
The demand for AS/400 professionals remains steady. Companies like Kyndryl, AXA, CVS Health, and Rocket Software together with 68 more are actively hiring in the space.
