Magesh Annamalai

Results-driven Java Developer with 5 years of experience designing and delivering scalable backend solutions using Java, Spring Boot, and AWS. Experienced in healthcare domain application development, Informatica data integration, and CDM application enhancements. Skilled in building RESTful APIs, cloud-native monitoring, and data pipeline management in Agile environments. Strong track record of cross-functional collaboration to drive critical bug fixes and operational excellence.

Software Engineer at Cognizant (2023-10 – Present)

• Designed and implemented backend microservices using Java and Spring Boot, improving system modularity and reducing API response time by 20%.
• Built and maintained RESTful APIs for core business workflows, ensuring high availability and reliability across production environments.
• Worked in the healthcare domain, developing and enhancing Java-based CDM (Clinical Data Management) application features to meet business and compliance requirements.
• Designed and managed Informatica jobs and workflows to ensure reliable healthcare data integration and end-to-end data flow accuracy across systems.
• Delivered major fixes and enhancements to the CDM Java application, reducing critical defect backlog and improving data processing reliability.
• Created and configured AWS CloudWatch alerts and custom monitoring dashboards, improving system observability and reducing mean time to detection (MTTD) by 30%.
• Collaborated with business teams and QA engineers to identify, prioritize, and resolve software defects, enhancing application stability.
• Performed regression testing and code reviews as part of the Agile development lifecycle, contributing to on-time sprint delivery.

Programmer Analyst at Cognizant (2022-07 – 2023-10)

• Contributed to Java application development and production stability for critical enterprise systems, ensuring high availability and performance.
• Managed end-to-end incident, change, and problem management workflows through ServiceNow, ensuring SLA compliance and timely resolution.
• Identified and implemented automation opportunities in development and support workflows, reducing manual effort by approximately 25%.
• Coordinated with development and infrastructure teams to perform root cause analysis for recurring issues, preventing repeat incidents.
• Prepared detailed incident reports and post-mortems to support continuous improvement initiatives within the engineering team.

Programmer Analyst Trainee at Cognizant (2021-07 – 2022-07)

• Developed comprehensive technical documentation and user guides for internal tools, improving end-user adoption and reducing support tickets.
• Assisted senior Java developers with root cause analysis and resolution of application issues, contributing to faster turnaround on production fixes.
• Supported end-users with troubleshooting and training sessions, ensuring smooth onboarding and system adoption across business units.
• Participated in Agile ceremonies including sprint planning, stand-ups, and retrospectives, building a strong foundation in software development lifecycle practices.

B.E. in Biomedical Engineering – Saveetha Engineering College (2017 – 2021)