I am a results-driven Full Stack Java Developer with 4+ years of experience building scalable, secure web applications using Java 8/11, Spring Boot, Microservices, Angular, React, and cloud technologies (AWS/Azure). I deliver end-to-end solutions—from requirement analysis to production deployment—within Agile environments. I have hands-on expertise in OAuth2, Spring Security, Kafka, CI/CD automation (Jenkins), Docker, and both SQL/NoSQL databases including MongoDB, DynamoDB, and MySQL. I am skilled in unit testing with JUnit, Mockito, Jasmine, and Karma, and I regularly use Splunk, Swagger, and Postman for debugging, monitoring, and API validation. I am passionate about clean code, system scalability, and high-quality software delivery.

Vijaya Lakshmi Chintapalli

I am a results-driven Full Stack Java Developer with 4+ years of experience building scalable, secure web applications using Java 8/11, Spring Boot, Microservices, Angular, React, and cloud technologies (AWS/Azure). I deliver end-to-end solutions—from requirement analysis to production deployment—within Agile environments. I have hands-on expertise in OAuth2, Spring Security, Kafka, CI/CD automation (Jenkins), Docker, and both SQL/NoSQL databases including MongoDB, DynamoDB, and MySQL. I am skilled in unit testing with JUnit, Mockito, Jasmine, and Karma, and I regularly use Splunk, Swagger, and Postman for debugging, monitoring, and API validation. I am passionate about clean code, system scalability, and high-quality software delivery.

Available to hire

I am a results-driven Full Stack Java Developer with 4+ years of experience building scalable, secure web applications using Java 8/11, Spring Boot, Microservices, Angular, React, and cloud technologies (AWS/Azure). I deliver end-to-end solutions—from requirement analysis to production deployment—within Agile environments.

I have hands-on expertise in OAuth2, Spring Security, Kafka, CI/CD automation (Jenkins), Docker, and both SQL/NoSQL databases including MongoDB, DynamoDB, and MySQL. I am skilled in unit testing with JUnit, Mockito, Jasmine, and Karma, and I regularly use Splunk, Swagger, and Postman for debugging, monitoring, and API validation. I am passionate about clean code, system scalability, and high-quality software delivery.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Software Engineer at Mphasis
July 1, 2021 - July 31, 2023
Designed and implemented scalable backend services using Java (Spring Boot) and Node.js (Express.js) frameworks. Developed responsive frontend interfaces utilizing React.js, HTML, CSS, and JavaScript to improve user experience. Managed relational and NoSQL databases including PostgreSQL and MongoDB, ensuring efficient data storage and retrieval. Integrated RESTful APIs and handled authentication protocols (JWT, OAuth) for secure application access. Automated testing and continuous integration workflows using Jenkins and Docker, supporting CI/CD pipelines. Collaborated in Agile teams, actively participating in Scrum meetings and contributing to sprint planning and retrospectives. Employed problem-solving skills and OOP principles to improve code quality and application performance.
Developer and Testing Trainee at Qspiders
May 1, 2021 - July 31, 2021
Gained hands-on experience in developing web modules using JavaScript, React.js, and basic Flutter components. Executed manual and automated testing scenarios to identify and fix bugs, improving application reliability. Wrote and optimized SQL queries for database testing and validation using MySQL. Used Postman for API testing and collaborated closely with developers to troubleshoot issues. Learned and applied software development life cycle (SDLC) processes and Agile methodologies. Utilized version control systems like Git for managing code versions during development and testing.
IT Intern at Crestsoft Inc
September 1, 2024 - December 31, 2024
Assisted in developing and maintaining web applications using HTML, CSS, JavaScript, and basic React.js components. Participated in backend API development and testing using Java (Spring Boot) and Python (Flask/Django). Collaborated with the team in database management tasks involving MySQL and writing optimized SQL queries. Used Git for version control and contributed to code repositories following Agile methodologies. Supported deployment and environment setup using Linux and basic Docker containers. Assisted in debugging and resolving software issues by applying fundamental data structures and algorithms concepts.
Full Stack Software Engineer at Sa Tech App Solutions
January 1, 2025 - Present
Developed and enhanced full-stack web applications using React.js and Spring Boot. Collaborated with the data science team to deploy machine learning models to production through Flask REST APIs, monitoring performance and managing version control. Built AI-powered features such as chatbots and intelligent search using spaCy and scikit-learn, integrated into web interfaces. Designed and documented RESTful APIs, handling secure data flow with MySQL and PostgreSQL. Automated deployment processes using Docker and Linux, contributing actively to CI/CD workflows in Agile sprints. Integrated monitoring and error handling on Linux production servers to ensure high availability. Key challenges included refactoring mismatched API contracts to reduce frontend errors by 40% and implementing token-based authentication with role-based access control for secure API endpoints.
IT Intern at Crestsoft Inc
December 31, 2024 - August 18, 2025
Supported frontend development using HTML, CSS, JavaScript, and React.js components. Participated in backend API development using Java (Spring Boot) and Python (Flask/Django). Assisted in writing optimized SQL queries and managing MySQL databases. Collaborated using Git, followed Agile methodologies, and contributed to bug resolution based on core computer science principles. Also helped set up basic deployments with Docker and Linux. Notable challenges included debugging real-world bugs in Agile sprint cycles and standardizing database queries by creating parameterized reusable functions to improve maintainability and security.
Software Engineer at Mphasis
July 31, 2023 - August 18, 2025
Designed and implemented secure, scalable backend services with Java (Spring Boot) and Node.js (Express.js). Developed responsive user interfaces using React.js optimized for performance. Managed production data and built queries across SQL (PostgreSQL) and NoSQL (MongoDB) databases. Integrated REST APIs secured with JWT and OAuth2 authentication, ensuring regulatory compliance for banking data. Built and deployed services via Jenkins CI/CD pipelines, managed Docker containers, and troubleshot Linux server issues. Key achievements included rewriting backend services with asynchronous processing to handle high volumes, integrating secure authentication flows across frontend and backend, and reducing Jenkins build error rates by 60% through debugging pipeline failures.
Software Engineer / Full Stack Developer at Country Financial
January 1, 2025 - Present
Designed and implemented 15+ RESTful APIs and microservices using Java 11/Spring Boot; built dynamic Angular UI components; integrated Apache Kafka for real-time updates; authored SQL queries and procedures; deployed on AWS (EC2, S3, Lambda); automated CI/CD pipelines with Jenkins, Git, Maven, and Docker; implemented OAuth2/Spring Security with JWT; conducted unit/integration testing with JUnit, Jasmine, and Karma; collaborated in Agile/Scrum; refactored legacy modules; monitored with Splunk.
Senior Software Engineer at Grange Insurance
July 1, 2024 - December 1, 2024
Developed and maintained Spring Boot microservices handling 10k+ policy requests per day with 99.8% uptime. Built reusable ReactJS UI modules for internal/external apps. Implemented Node.js middleware for frontend-backend integration. Optimized Oracle SQL queries for reporting. Integrated Apache Kafka for event-driven processing. Created, tested, documented APIs with Swagger and Postman. Deployed on AWS (S3/Lambda) with CloudWatch monitoring. Implemented CI/CD via Jenkins; secured with Spring Security; migrated legacy modules toward modern architecture.
Developer and Testing Intern at QSpiders
January 1, 2021 - July 1, 2021
Developed Angular 7 front-end modules; built Spring Boot REST APIs with ActiveMQ for real-time messaging; implemented JWT/SAML-based authentication; migrated applications to AWS (EC2, RDS, S3, Lambda); created unit tests with JUnit, Jasmine, Karma; documented APIs with Swagger and Postman; collaborated in Agile; enhanced legacy code for maintainability; optimized SQL for MySQL/Oracle.
Full Stack Java Developer at Country Financial
January 1, 2025 - Present
Designed and implemented 15+ RESTful APIs and microservices in Java 11/Spring Boot, reducing processing time by 25% for key insurance workflows. Built dynamic Angular 13/14 UI components for customer-facing dashboards, increasing user engagement by 18%. Integrated Apache Kafka for asynchronous event-driven communication, enabling real-time policy updates and reducing processing lag by 30%. Developed SQL queries and stored procedures for MS SQL Server and MongoDB, optimizing data retrieval by 40%. Deployed and monitored services on AWS EC2, S3, Lambda, improving uptime to 99.9%. Automated CI/CD pipelines with Jenkins, Git, Maven, and Docker, reducing deployment time from hours to under 30 minutes. Implemented OAuth2/Spring Security and JWT for secure user authentication, improving compliance with security standards. Conducted unit and integration testing using JUnit, Jasmine, and Karma, achieving 90%+ code coverage. Collaborated with cross-functional teams using Agile/Scrum, delivering
Full Stack Java Developer at Grange Insurance
July 1, 2024 - December 1, 2024
Developed and maintained microservices in Spring Boot that handled over 10,000 policy requests per day with 99.8% uptime. Built reusable ReactJS 16 UI modules for internal and external web apps, reducing development effort by 25%. Implemented Node.js middleware for seamless integration between front-end and back-end services. Optimized SQL queries for Oracle databases, improving reporting speed by 35%. Integrated Apache Kafka for event-driven processing, improving notification delivery reliability to 99.5%. Created, tested, and documented APIs using Swagger and Postman, ensuring 100% adherence to API standards. Deployed applications on AWS S3/Lambda and implemented monitoring using CloudWatch, reducing downtime by 15%. Automated CI/CD pipelines via Jenkins/GitHub, cutting release time from 3 hours to 45 minutes. Enforced secure access using Spring Security, mitigating potential vulnerabilities. Collaborated in Agile sprints, completing 95% of tasks on schedule and supporting team knowl
Full Stack Developer at Grange Insurance
July 1, 2024 - December 1, 2024
Developed and maintained Spring Boot microservices handling over 10,000 policy requests per day with 99.8% uptime. Built reusable ReactJS UI modules for internal and external apps, reducing development effort by 25%. Implemented Node.js middleware for seamless integration between front-end and back-end services. Optimized SQL queries for Oracle databases, improving reporting speed by 35%. Integrated Apache Kafka for event-driven processing, improving notification delivery reliability to 99.5%. Created, tested, and documented APIs using Swagger and Postman, ensuring 100% adherence to API standards. Deployed applications on AWS S3/Lambda with CloudWatch monitoring, reducing downtime by 15%. Automated CI/CD pipelines via Jenkins/GitHub, cutting release time from 3 hours to 45 minutes. Enforced secure access using Spring Security, mitigating potential vulnerabilities. Collaborated in Agile sprints, completing 95% of tasks on schedule and supporting team knowledge sharing. Assisted in migra

Education

Bachelor of Information Technology at Prakasam Engineering College
June 1, 2017 - July 31, 2021
Master of Computer Science at Youngstown State University
August 1, 2023 - December 31, 2024
Bachelor of Information Technology at Prakasam Engineering College
June 1, 2017 - July 31, 2021
Master of Computer Science at Youngstown State University
August 1, 2023 - December 1, 2024
Bachelor of Information Technology at Prakasam Engineering College [JNTUK]
June 1, 2017 - May 1, 2021
Master of Computer Science at Youngstown State University
August 1, 2023 - December 1, 2024
Bachelor of Information Technology at Prakasam Engineering College (JNTUK)
June 1, 2017 - May 1, 2021
Master of Computer Science at Youngstown State University
August 1, 2023 - December 1, 2024
Bachelor of Information Technology at Prakasam Engineering College [JNTUK] Andhra Pradesh, India
June 1, 2017 - May 1, 2021

Qualifications

Cloud Computing 101
March 1, 2025 - March 31, 2025
Generative AI
March 1, 2025 - March 31, 2025
Data Science Methodology
March 1, 2025 - March 31, 2025
Python Data Structures
March 1, 2025 - March 31, 2025
Programming for Everybody
May 1, 2020 - May 31, 2020
Databricks Fundamentals
July 1, 2020 - July 31, 2020
Generative AI Fundamentals
July 1, 2020 - July 31, 2020
Prompt Design in Vertex AI
March 1, 2025 - March 31, 2025
Introduction to Responsible AI
March 1, 2025 - March 31, 2025
Introduction to Large Language Models
March 1, 2025 - March 31, 2025
Introduction to Generative AI
March 1, 2025 - March 31, 2025
Java
February 1, 2025 - February 28, 2025
Software Engineer
February 1, 2025 - February 28, 2025
SQL
February 1, 2025 - February 28, 2025
scientific computing with python
January 1, 2025 - January 31, 2025
Cloud Computing 101 | Generative AI, AWS Educate
March 1, 2025 - August 18, 2025
Data Science Methodology | What is Data Science, Coursera (IBM)
May 1, 2020 - August 18, 2025
Python Data Structures | Programming for Everybody, Coursera (Michigan)
July 1, 2020 - August 18, 2025
Databricks Fundamentals | Generative AI Fundamentals, Databricks
July 1, 2020 - August 18, 2025
Prompt Design in Vertex AI | Responsible AI | LLM | Generative AI, Google Cloud
March 1, 2025 - August 18, 2025
Java | Software Engineer | SQL, Hackerrank
February 1, 2025 - August 18, 2025
Scientific computing with Python, FreeCodeCamp
January 1, 2025 - August 18, 2025
Cloud Computing 101 | Generative AI
March 1, 2025 - December 9, 2025
Prompt Design in Vertex AI | Responsible AI | LLM| Generative AI
March 1, 2025 - December 9, 2025
Databricks Fundamentals | Generative AI Fundamentals Databricks
July 1, 2020 - December 9, 2025
Data Science Methodology | What is Data Science
May 1, 2020 - December 9, 2025
Python Data Structures | Programming for Everybody
July 1, 2020 - December 9, 2025
scientific computing with python
January 1, 2025 - December 9, 2025
Java | Software Engineer | SQL
February 1, 2025 - December 9, 2025
Cloud Computing 101 | Generative AI
March 1, 2025 - December 9, 2025
Prompt Design in Vertex AI | Responsible AI | LLM| Generative AI
March 1, 2025 - December 9, 2025
Databricks Fundamentals | Generative AI Fundamentals Databricks
July 1, 2020 - December 9, 2025
Data Science Methodology | What is Data Science , Coursera (IBM)
May 1, 2020 - December 9, 2025
Python Data Structures | Programming for Everybody , Coursera (Michigan )
July 1, 2020 - December 9, 2025
Scientific Computing with Python , FreeCodeCamp
January 1, 2025 - December 9, 2025
Java | Software Engineer | SQL , Hackerrank
February 1, 2025 - December 9, 2025
Cloud Computing 101 | Generative AI
March 1, 2025 - December 9, 2025
Prompt Design in Vertex AI | Responsible AI | LLM| Generative AI
March 1, 2025 - December 9, 2025
Databricks Fundamentals | Generative AI Fundamentals Databricks
July 1, 2020 - December 9, 2025
Data Science Methodology | What is Data Science (IBM)
May 1, 2020 - December 9, 2025

Industry Experience

Software & Internet, Healthcare, Computers & Electronics, Financial Services, Professional Services