Senior Software Engineer – Java Backend

. Design, build, and maintain high-volume business logic running on the mainframe .

Posted 9/25/2026full-timeGreater Noida • IndiaSeniorWebsite

Tools & technologies

AWSAzureCloudDockerGoogle Cloud PlatformJavaKubernetesMicroservicesNoSQLPython

Key responsibilities & impact

Design, build, and maintain high-volume business logic running on the mainframe
Refactor legacy code so modern cloud and mobile applications can interact with mainframe core data
Monitor architecture and identify opportunities to optimize code and maintain or enhance mainframe performance
Debug, troubleshoot, and analyze complex system interactions
Extract business logic from legacy systems for migration or integration with cloud-based services
Collaborate with a global community of experts on mainframe modernization

What you’ll need

Experience working as a software engineer on complex software projects
Excellent coding skills and solid development experience in Java, Python, .Net, or similar
Debugging and problem-solving skills
Experience with software development methodologies
Demonstrated experience developing scalable and robust software
Experience with relational and NoSQL databases
Experience with data mapping, XML/JSON, and REST-based web services
Knowledge of architecture design, microservices architecture, containers (Docker and Kubernetes), and messaging queues
Deep understanding of object-oriented programming and design patterns
Bachelor's degree in Computer Science, related technical field, or equivalent practical experience (preferred)
Certification in one or more hyperscalers (Azure, AWS, or Google GCP) (preferred; certifications may be obtained with Kyndryl)
Experience with DevOps tools and modern engineering practices (preferred)

Comp & perks