Lekha Sarangapani
Senior Software Engineer
Milpitas
Summary
Senior Software Engineer with 7+ years of experience building scalable, secure, cloud-native systems using Java (21), Kotlin, Spring Boot, and Microservices. Skilled in GCP and AWS, with a strong focus on API design, performance optimization, and automation. Google Cloud Certified – Associate Cloud Engineer and Generative AI Leader. Recognized for bridging technology and business needs, delivering clean, efficient, and maintainable solutions.
Overview
10
10
years of professional experience
2
2
Certifications
Work History
Technical Consultant
Perficient, Inc. (Client: Ford Motor Company)
01.2021 - Current
- Designed and built cloud-native microservices using Java 21, Kotlin, and Spring Boot, integrated with PostgreSQL and MongoDB.
- Automated billing workflows by integrating Zuora with backend systems, reducing manual work and improving efficiency.
- Managed GCP infrastructure with Terraform, deploying containerized services on Cloud Run and using Pub/Sub for async communication.
- Enhanced system performance and reliability via Datadog monitoring and alert-based optimization.
- Enforced code quality and security through SonarQube, FOSSA, and 42Crunch; led peer reviews for maintainable codebase.
- Collaborated cross-functionally using Agile and created architectural diagrams with Mermaid and Miro.
Programmer Intern
SmartWorks LLC
09.2020 - 01.2021
- Developed RESTful APIs using Java, Spring Boot, and H2 database.
- Implemented unit tests (JUnit) and API testing (Postman) ensuring system reliability.
Graduate Teaching Assistant
George Mason University
08.2019 - 05.2020
- Supported graduate courses in Web Development, Security, and Software Engineering.
- Mentored 50+ students on JavaScript, Docker, Kubernetes, and AWS.
Research Assistant Intern
Virginia Tech
05.2019 - 08.2019
- Built a web-based code editor for plasma physics simulations using ReactJS, NodeJS, Docker, and Redis.
Programmer Analyst
Cognizant Technology Solutions
05.2016 - 05.2018
- Developed and maintained the Payments module for a client system using Java, Spring Boot, and Hibernate.
- Received team award for on-time project delivery.
Education
Master of Science - Software Engineering
George Mason University
Fairfax, VA05.2020
Master of Science - Software Engineering
VIT University
Vellore, India05.2016
Skills
Languages: Java 21, Kotlin
Frameworks: Spring Boot, JPA/Hibernate
Cloud: Google Cloud Certified (Associate Cloud Engineer, Generative AI Leader), AWS
Databases: PostgreSQL, MS SQL, MongoDB
Websites
Certification
Google Cloud Certified – Associate Cloud Engineer
Timeline
Technical Consultant
Perficient, Inc. (Client: Ford Motor Company)
01.2021 - Current
Programmer Intern
SmartWorks LLC
09.2020 - 01.2021
Graduate Teaching Assistant
George Mason University
08.2019 - 05.2020
Research Assistant Intern
Virginia Tech
05.2019 - 08.2019
Programmer Analyst
Cognizant Technology Solutions
05.2016 - 05.2018
Master of Science - Software Engineering
VIT University
Master of Science - Software Engineering
George Mason University