Full Stack Software Engineer

Kyndryl

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

Posted 9/18/2026full-timeBangalore • IndiaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and maintaining high-volume business logic on mainframe systems, with strong skills in Java, Python, and cloud integration. Proficient in debugging, optimizing performance, and applying modern software development methodologies.

Highest-signal resume keywords

Java DevelopmentCloud IntegrationMicroservices ArchitectureDevOps PracticesRelational and NoSQL Databases

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaPython.NetSpring BootSQLNoSQLData MappingREST-based Web ServicesObject-Oriented ProgrammingDebugging

Soft Skills

Problem-SolvingCollaboration

Tools & Technologies

DockerKubernetesJenkinsGitLabAWSAzureGoogle GCPMongoDBDynamoDBSpring Security

Certifications & Qualifications

AWS CertificationAzure CertificationGoogle GCP Certification

Industry Keywords

MainframeAgile MethodologyHigh-Level DesignLow-Level DesignSOLID Principles

Tech Stack

Tools & technologies

AWSAzureCloudDockerDynamoDBEC2Google Cloud PlatformJavaJavaScriptJenkinsKubernetesMicroservicesMongoDBNode.jsNoSQLPythonReactSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Design, build, and maintain high-volume business logic running on the mainframe
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
Refactor legacy code to enable cloud and mobile applications to interact with mainframe core data
Collaborate and share knowledge with a global community of modernization experts

Requirements

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
Java and Spring Boot
Awareness of SOLID principles
Awareness of AWS services, including EC2, Lambda, S3, API Gateway, SQS, SNS, CloudWatch, and ECS
CI/CD pipelines using Jenkins or GitLab
SQL and NoSQL databases, including MongoDB or DynamoDB
Awareness of security, including Spring Security and AWS IAM
High-level and low-level design (HLD/LLD)
Agile methodology
Python, Node.js, and React.js

Benefits

Comp & perks

Flexible, supportive environment
Well-being support through Be Well programs covering financial, mental, physical, and social health
Personalized development goals and continuous feedback
Access to cutting-edge learning opportunities
Certifications with Microsoft, Google, and Amazon
Coaching and hands-on experiences
Career development and career-path tools
Hybrid-friendly culture