Vijaya Lakshmi Chintapalli
Available to hire
I am Vijaya Lakshmi Chintapalli, a Senior Full Stack Java Developer with over 9 years of experience delivering scalable, high-availability enterprise applications across Healthcare, Finance, Insurance, Government, and Technology sectors. I specialize in Java 17, Spring Boot, Microservices, Angular/React, AWS, and Kafka, with strong skills in database engineering (MongoDB, DynamoDB, PostgreSQL, Oracle) and performance optimization.
I thrive on designing robust architectures, implementing secure authentication and authorization, building resilient event-driven systems, and driving CI/CD automation. I am passionate about improving performance, reducing operational costs, and enabling cross-team collaboration through reusable components and clear documentation.
Language
English
Fluent
Work Experience
Senior Java Full Stack Developer at Cigna Healthcare
September 1, 2024 - PresentDeveloped Angular 13/14 SPA modules improving UI load time by 30% using lazy loading and interceptors. Built 20+ scalable Spring Boot APIs (Java 17), reducing service response time by 40 ms via optimized DTOs and caching. Designed 8+ microservices using Spring Cloud (Eureka, Config, API Gateway), improving service resilience by 35%. Implemented OAuth2/JWT security, reducing unauthorized access attempts by 95%. Built Kafka pipelines processing 1M+ events/day with dead-letter management & retry mechanisms. Developed AWS Lambda + S3 + SQS workflows reducing manual operations by 60%. Optimized MongoDB schemas/indexing improving database query performance by 50%. Containerized all services with Docker and deployed on EKS, enabling auto-scaling and 20% cost reduction. Automated CI/CD using Jenkins + SonarQube achieving 100% hands-free deployments. Reduced API memory footprint by 25% using DSA-based optimization & connection pooling. Created reusable Angular libraries increasing cross-team co
Senior Java Full Stack Developer at JPMorgan Chase
February 1, 2023 - August 1, 2024Developed ReactJS components with Redux improving client onboarding UI performance by 25%. Built 30+ Spring Boot APIs improving execution time by 20% with optimized Hibernate and caching. Implemented OAuth2-based security & audit logging complying with banking regulatory needs. Designed Kafka microservices processing 500K+ events/day with lag monitoring and retry logic. Created AWS Lambda automation reducing batch execution time by 40%. Engineered DynamoDB tables with GSI/LSI increasing lookup performance by 60%. Improved API throughput by 18% using optimized data structures. Developed CI/CD pipelines (Jenkins) accelerating deployments by 50%. Built extensive JUnit/Mockito test suites achieving 85% code coverage. Used Splunk dashboards to reduce production issues by 30%. Implemented Swagger-driven API contracts improving cross-team integration efficiency by 20%.
Java Developer at State of Missouri
January 1, 2021 - February 1, 2023Developed Spring Boot microservices reducing processing time by 22% via optimized JPA operations. Built Angular 11 modules improving user workflows for government services by 30%. Implemented RBAC + JWT authentication boosting platform security. Built Kafka/JMS integrations enabling real-time status updates across agencies. Improved MongoDB and PostgreSQL performance by 40% using schema tuning & indexes. Used hashing & caching (DSA) reducing API latency by 15%. Automated CI/CD with Jenkins reducing deployment time from 1 hour → 10 minutes. Created 100+ unit tests achieving 80% coverage. Designed Quartz/Spring scheduled jobs improving batch reliability by 35%. Supported UAT & production, reducing defects by 25%.
Java Developer at Nationwide Insurance
September 1, 2018 - December 1, 2020Built Angular 5/7 modules improving customer portal usability by 28%. Created Spring Boot APIs integrated with Oracle improving batch accuracy by 20%. Implemented JWT & secure API gateways reducing security incidents. Built microservices with ActiveMQ handling high-volume policy transactions. Optimized MongoDB collections improving lookup speed by 35%. Constructed Jenkins pipelines reducing deployment issues by 40%. Built UI & backend test suites achieving 75% test coverage. Used Swagger/Postman to streamline ops & API validation. Resolved production issues on Tomcat reducing downtime by 15%. Refactored legacy Java code reducing tech debt by 20%.
Java Developer at Zensar Technologies
June 1, 2016 - May 1, 2018Developed Spring MVC controllers and REST APIs improving transaction flows by 18%. Built UI using HTML5/JavaScript/jQuery increasing module responsiveness by 25%. Implemented Hibernate with caching reducing DB calls by 30%. Optimized MySQL queries improving report generation time by 40%. Delivered JSP/UI modules improving customer conversion by 15%. Performed application deployments on Tomcat reducing release issues. Built 100+ JUnit tests securing stable builds. Implemented Spring Security authentication flows. Used Log4j/SLF4J to reduce debugging time by 20%.
Education
Bachelor of Science in Computer Science at Jawaharlal Nehru Technological University (JNTUK)
January 11, 2030 - December 3, 2025Qualifications
Industry Experience
Healthcare, Financial Services, Government, Software & Internet, Professional Services
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