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Mark Sunder Singh

@marksundersingh

Senior Associate Consultant at Infosys who migrated 30+ services from Jenkins to GitHub Actions and explores LLM, RAG, and MCP integration.

India
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At Infosys, I led the migration of 30+ services from Jenkins to GitHub Actions, redesigning CI/CD workflows with minimal deployment impact.

I also automated RFC and template promotion across environments by integrating ServiceNow, Jira, GitHub APIs, and Jenkins. My work includes supporting production deployments and managing event-driven email and letter templates.

At Tata Consultancy Services, I developed Java applications and REST APIs using Spring Boot for Westpac Banking Corporation. I also strengthened application security against SQL injection and XSS, and helped reduce downtime by 25% through production issue resolution.

For Citibank, I developed reusable Angular components and integrated REST APIs, using RxJS and Jest to support application behavior and testing. I've also explored LLM integration, RAG, and MCP for workflow automation and intelligent application development.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

PC

Pandian Saraswathi Yadav Engineering College

Master of Computer Science and Engineering, Computer Science and Engineering

Grade: CGPA: 7.98

Master of Computer Science and Engineering degree from Pandian Saraswathi Yadav Engineering College, completed in 2021.

PC

Panimalar Engineering College

Bachelor of Computer Science and Engineering, Computer Science and Engineering

Grade: CGPA: 7.49

Bachelor of Computer Science and Engineering degree from Panimalar Engineering College, completed in 2019.

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Udemy

Java Collections from Basic to Strong, Java

Completed the Java Collections from Basic to Strong certification on Udemy.

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Udemy

Cloud Computing Fundamentals, Cloud Computing

Completed the Cloud Computing Fundamentals certification on Udemy.

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