# Lalitha Kulathumani

> Computer Software Professional | Java Backend | Spring Boot | Microservices | AWS/GCP | Oracle SQL | Docker & Kubernetes | REST APIs

Location: San Diego, California, United States
Profile: https://flows.cv/lalitha

Senior Java Backend Engineer with extensive experience building scalable, enterprise-grade applications in finance, SaaS, and cloud environments. Skilled in Java (8–21), Spring Boot, Spring Core, Microservices, REST APIs, Oracle, and SQL optimization.

Experienced in designing and migrating legacy monolithic systems to microservices, implementing secure cloud-native solutions with AWS (Lambda, ECS, S3, SQS, SNS, Step Functions), and delivering containerized deployments using Docker & Kubernetes. Proficient in object-oriented design, design patterns, and ORM technologies (JPA/Hibernate).

Strong background in production support, CI/CD pipelines (GitLab, Jenkins), observability (ELK, Grafana, Prometheus), and Agile/Scrum delivery. Adept at collaborating with distributed teams while also thriving in independent, ownership-driven roles.

Passionate about building reliable, maintainable backend systems and always learning the latest in Java, Spring, and cloud technologies.

Skill Set : 

- Languages: Java (8–21), Kotlin, SQL, TypeScript
- Frameworks: Spring, Spring Boot, Microservices, Spring Cloud, Hibernate, MyBatis, JUnit, Mockito
- Cloud :  AWS (S3, EC2, Lambda, RDS, SQS, SNS, ECS, CloudWatch, API Gateway), GCP 
- DevOps: Docker, Kubernetes,Git, EKS, Helm charts, ECS,  Jenkins, GitLab CI/CD, Jenkins CI/CD, Maven, APM Tools (Prometheus, Grafana, New Relic)
- Logging, Observability, Security: Logging (ELK, Spring sleuth), Spring Security, API Security using OAuth 2.0, SAML, OIDC, JWT,  Code quality tools SonarQube, Veracode, Secure coding, OWASP
- Messaging: Kafka, ActiveMQ
- Databases: MySQL, PostgreSQL, Oracle, AWS RDS, NoSQL (MongoDB, Elasticsearch)
- Frontend: Angular 11, JavaScript, HTML, CSS, jQuery, Legacy Apps: JSP, JSTL, Servlet, etc
- Tools & Others: Jira, Azure DevOps, TDD, Agile/Scrum/SAFe (Scrum ceremonies - Backlog Grooming, Retro, Planning, Sprint Demo etc)

## Work Experience
### Senior Software Engineer @ ON24
Jan 2024 – Present
Java 21, Spring Boot 3, Java 8, Microservices (on-prem and cloud services), Oracle, Hibernate, Kafka, GCP, GitLab, CICD pipeline, Jenkins, Maven, Jira, Tomcat 10, junit, mockito, Scrum/Agile Methodology

### Senior Software Engineer @ Malbek
Jan 2022 – Jan 2023
Kotlin, java 11, spring, spring boot, microservices, PostgresSQL, Maven, Azure devops for stories/sprint planning/bug tracking, docker, Git, Junit, Json, AWS S3, NoSQL DB, PostgresSQL, Elasticsearch, Apache Active MQ, AWS SQS, AWS SNS,  Redis, Typescript, Angular 11

### Java Developer @ LPL Financial
Jan 2017 – Jan 2022 | San Diego, California, United States
Design & development of the applications used by financial advisors providing financial data metrics, Analytics, etc using REST and SOAP API. Monolithic application and migrating Monolithic to microservices. Backend Server Development, java, Spring, SpringBoot, REST, SOAP, AWS, MySQL, NoSQL, etc, Report generation as PDF, RESTful WebService API development and consuming third party vendor APIs for integration. Feature enhancements, production support, bug fixing. Followed scrum methodology and scaled agile SAFe involving in the PI planning.

Tools: 
Backend Server side devevelopment Java 1.8, java 11, spring, JSP, JSTL, SpringBoot, MySQL, MyBatis, Hibernate, NoSQL DB ElasticSearch and CrateDB, Microservices, JMS for async message communication, AWS EC2, S3, RDS, Lambda, API Gateway, oAuth, veracode, Front End (HTML, Javascript, CSS, JQuery, AJAX, Json, Highcharts, Wkhtmltopdf, Headless chrome), Tomcat 8.5, Maven, Gitlab, Teamcity, Octopus, JIRA, Jenkins, JUnit

### Java Developer @ CGI
Jan 2011 – Jan 2011 | Pittsburgh PA
Development of Web applications.
Technologies : Java 1.5, Spring 3.0, Spring security 3.0, hibernate 3.0, WebSphere 7.0, Eclipse, Web Services, Ivy,Log4j, SVN, XML, XSL, CSS, DOJO, Oracle 10g ,Oracle SQL Developer, JUnit, CruiseControl, Webservices
• Design and development of database layer, configuration module with Junit test cases
• Followed Agile methodology

### Software Engineer @ SeekTech, San Diego, California
Jan 2009 – Jan 2010
• Development of Web applications.
• Technologies : Microsoft .NET, C#, ASP.net, Android Platform, Web services, SOAP, REST, WCF, Perl, OTRS, PHP, Drupal, MySQL, MS SQL Server, etc.
• Design and Development of Web Services, Android Mobile Phone Applications, Geographic information systems (GIS) Applications.
• Integration of Open Source Tools with our application and Customization.


## Education
### MCA in Computer Science
Indira Gandhi National Open University

### B.Sc in Computer Technology
Coimbatore Institute of Technology


## Contact & Social
- LinkedIn: https://linkedin.com/in/lalitha-kulathumani-12932a17

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Source: https://flows.cv/lalitha
JSON Resume: https://flows.cv/lalitha/resume.json
Last updated: 2026-03-22