Full-Stack AI Engineer for Mainframe Modernization

Kyndryl Inc.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Kyndryl Inc. in Singapore is seeking a Full Stack Developer to join our mainframe modernization effort.

You will design, build and maintain high-volume business logic on the mainframe while enabling seamless cloud and mobile interaction. Expect to work with Java, Python, and .NET across microservices, containers, RESTful services, and data mapping to optimize performance and support modern migration strategies.

Qualifications

• Bachelor's degree in Computer Science, related technical field, or equivalent experience.
• Experience with modern software engineering practices and DevOps is a plus.
• Expertise in designing robust software and scalable architectures.

Responsibilities

• Maintain performance by optimizing code and architecture for mainframe interactions.
• Debug, test, and troubleshoot complex systems to ensure mission-critical reliability.
• Bridge legacy systems to cloud/mobile interfaces through migration or integration.

Skills

Java

Python

.NET

Debugging

Relational DBs

NoSQL DBs

Data mapping

XML/JSON

REST APIs

Microservices

Docker

Kubernetes

Messaging queues

OOP patterns

Education

Bachelor's degree in CS or related field

Tools

Docker

Kubernetes

Job description

Kyndryl Inc. in Singapore is seeking a Full Stack Developer to join our mainframe modernization effort.

You will design, build and maintain high-volume business logic on the mainframe while enabling seamless cloud and mobile interaction. Expect to work with Java, Python, and .NET across microservices, containers, RESTful services, and data mapping to optimize performance and support modern migration strategies.