Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I’m a Java Full Stack Developer with over 3 years of experience building responsive web applications and RESTful microservices. I’m proficient in the Spring ecosystem, React.js, and cloud technologies, and I enjoy turning complex requirements into scalable, maintainable solutions. I’m passionate about performance optimization, security best practices, and collaborating with cross-functional teams to deliver features that boost user engagement and operational efficiency. I continuously learn new technologies and love mentoring teammates.…I’m a Java Full Stack Developer with over 3 years of experience building responsive web applications and RESTful microservices. I’m proficient in the Spring ecosystem, React.js, and cloud technologies, and I enjoy turning complex requirements into scalable, maintainable solutions. I’m passionate about performance optimization, security best practices, and collaborating with cross-functional teams to deliver features that boost user engagement and operational efficiency. I continuously learn new technologies and love mentoring teammates.

Poojitha Mandadi

Front-End Developer, Back-End Developer, Web Developer, +3





I’m a Java Full Stack Developer with over 3 years of experience building responsive web applications and RESTful microservices. I’m proficient in the Spring ecosystem, React.js, and cloud technologies, and I enjoy turning complex requirements into scalable, maintainable solutions. I’m passionate about performance optimization, security best practices, and collaborating with cross-functional teams to deliver features that boost user engagement and operational efficiency. I continuously learn new technologies and love mentoring teammates.…I’m a Java Full Stack Developer with over 3 years of experience building responsive web applications and RESTful microservices. I’m proficient in the Spring ecosystem, React.js, and cloud technologies, and I enjoy turning complex requirements into scalable, maintainable solutions. I’m passionate about performance optimization, security best practices, and collaborating with cross-functional teams to deliver features that boost user engagement and operational efficiency. I continuously learn new technologies and love mentoring teammates.

Available to hire

I’m a Java Full Stack Developer with over 3 years of experience building responsive web applications and RESTful microservices. I’m proficient in the Spring ecosystem, React.js, and cloud technologies, and I enjoy turning complex requirements into scalable, maintainable solutions.

I’m passionate about performance optimization, security best practices, and collaborating with cross-functional teams to deliver features that boost user engagement and operational efficiency. I continuously learn new technologies and love mentoring teammates.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Java Full Stack Developer at McKinsey and Company, USA

August 1, 2024 - October 27, 2025

Developed responsive customer account dashboards using React.js, TypeScript, HTML5, and CSS3, improving user engagement by 30% and reducing customer support calls through real-time balance and transaction history features. Spearheaded real-time transaction monitoring with Apache Kafka and Spring Batch, with comprehensive JUnit coverage and Elasticsearch integration for fraud-detection analytics; improved suspicious activity detection time. Implemented RESTful microservices with Spring Boot, Spring MVC, and Hibernate ORM, integrating with legacy banking systems and SQL Server databases to speed up transaction processing via optimized SQL queries. Strengthened payment gateway security with Spring Security using OAuth2 and JWT to ensure PCI-DSS compliance while preserving MVC separation of concerns. Collaborated with DevOps and QA to design CI/CD pipelines using Jenkins, Docker, and AWS EC2, automating deployments for Spring Boot microservices and reducing production errors through rigoro

Java Full Stack developer at McKinsey and Company

August 1, 2024 - Present

Developed responsive customer account dashboards using React.js, TypeScript, HTML5, and CSS3, increasing user engagement by 30% and reducing customer support calls by delivering real-time account balance and transaction history. Led real-time transaction monitoring with Apache Kafka and Spring Batch, with comprehensive JUnit test coverage, and integrated Elasticsearch for fraud analytics to improve detection speed. Designed and implemented RESTful microservices with Spring Boot, Spring MVC, and Hibernate ORM to integrate with legacy banking systems and SQL Server databases, speeding transaction processing via optimized SQL queries. Strengthened payment gateway security with Spring Security, OAuth2 authentication, and JWT authorization, ensuring PCI-DSS compliance while maintaining clear MVC separation. Collaborated with DevOps and QA to design CI/CD pipelines using Jenkins, Docker, and AWS EC2, automating deployments for Spring Boot microservices and reducing production errors through

Java Full Stack Developer at Accenture, India

December 1, 2022 - December 1, 2022

Created responsive UIs using React.js, TypeScript, and CSS3 for a Lead Management module in an enterprise CRM, using component-based architecture to improve sales pipeline visibility by 25%. Designed and developed RESTful APIs with Spring Boot to integrate client systems with third-party services, reducing API latency through PostgreSQL query optimization and indexing. Optimized microservices performance for e-commerce platforms using Spring Boot and Docker by reducing redundant database calls and implementing Redis caching with AWS ElastiCache, cutting API response times during peak traffic. Participated in Agile Scrum teams with Jira, delivering sprint goals via CI/CD pipelines using Jenkins and Kubernetes, reducing defects. Built backend testing frameworks with JUnit and Mockito and frontend tests with Cypress, achieving 85% test coverage, and secured APIs with Spring Security to enforce authentication and data protection standards.

Java Full Stack developer at Accenture

December 1, 2022 - September 22, 2025

Created responsive UIs using React.js, TypeScript, and CSS3 for a Lead Management module in an enterprise CRM, leveraging component-based architecture to improve sales pipeline visibility by 25%. Designed and developed RESTful APIs using Spring Boot to integrate client systems with third-party services, reducing API latency through PostgreSQL query optimization and indexing. Optimized performance of microservices-based e-commerce platforms using Spring Boot and Docker by reducing redundant database calls and implementing Redis caching via AWS ElastiCache, cutting API response times during peak traffic. Partnered in Agile Scrum teams using Jira, delivering sprint goals via CI/CD pipelines using Jenkins and Kubernetes, reducing defects. Built backend testing frameworks with JUnit and Mockito, and frontend tests with Cypress, achieving 85% test coverage, and secured APIs using Spring Security to enforce authentication and data protection standards.