Java Developer Stack

CHANDANA MAMILLAPALLI

+1-919-***-**** **********************@*****.*** linkedin.com/in/chandana-mamillapalli-390b21227 Professional Summary

Astute Full Stack Java Developer with 5+ years of experience building scalable, user-focused web and cloud-native applications in the financial domain. Proficient in backend technologies like Spring Boot, Spring Security, Hibernate, and REST/SOAP APIs with secure authentication (JWT, OAuth2). Skilled in Angular for responsive SPAs and experienced in AWS (EC2, S3, Lambda, API Gateway), Apache Kafka, and CI/CD pipelines using Jenkins, Docker, and GitHub Actions. Strong background in SQL (PostgreSQL, MySQL), NoSQL (MongoDB), GraphQL, and test automation with JUnit and Mockito. Proven ability to collaborate in Agile teams and deliver high-quality solutions in fast-paced environments.

Technical Skills

Programming Languages: Java, C, JavaScript, TypeScript, HTML5, CSS3 Backend & Frameworks: Spring Boot, Spring MVC, Spring Data, Spring Security, Spring Cloud, Hibernate, JPA, Microservices, REST, GraphQL, JSP, JMS

Databases: Oracle SQL, MySQL, PostgreSQL, MongoDB, DynamoDB, SQL Server, DB2 Cloud & DevOps: Azure, AWS (Lambda, SNS, SQS, S3), Docker, Kubernetes, Jenkins, Git, GitHub, Bitbucket Tools & Platforms: Visual Studio, VS Code, Selenium, RabbitMQ, WordPress, Eclipse, IntelliJ Monitoring & Logging: ELK Stack, Log4j, SLF4J, CloudWatch Development Practices: Object-Oriented Programming(OOP), Service-Oriented Architecture (SOA), MVVM, CI/CD, Version Control, Algorithms

Testing & Automation: JUnit, Mockito, Integration Testing, Rest APIs, Test Automation Collaboration & Agile: JIRA, Confluence, Slack, Agile/Scrum Professional Experience

Full Stack Java Developer Jan 2024 – Present

Client: Truist Bank, Cary, North Carolina

• Contributing to the development of an enterprise-grade Internal Audit Platform supporting audit workflows for Investment Banking and Wealth Management divisions.

• Leading backend development using Java 17, Spring Boot, Spring Security, and PostgreSQL, including the imple- mentation of scalable RESTful services and Spring Batch jobs for daily synchronization of auditor and reference data and integrated with external and internal services using Apache Kafka.

• Supporting frontend development of a Single Page Application (SPA) using Angular, enhancing user workflows related to audit activities and annual assurance plans.

• Implemented JWT based authentication integrated with enterprise Single Sign-On, along with LDAP-based autho- rization and entitlements to enforce role-based and screen-level access control.

• Diagnosing and resolving production defects and performance issues, participating in post-release support and root cause analysis.

• Optimized complex SQL queries with indexing, restructuring, and execution plan analysis to improve database performance.

• Established centralized logging and monitoring using ELK Stack, CloudWatch, Log4j, and SLF4J to support ob- servability, debugging, and incident resolution.

• Leveraged XML in the design and implementation of RESTful and SOAP web services for seamless communication between client and server applications.

• Maintained high code quality through unit testing (JUnit, Mockito), code reviews, and adherence to clean code and development best practices.

• Implemented a Continuous Delivery framework using Jenkins, Maven, and Docker, automating deployment processes for Express-based microservices across multiple environments.

• Actively involved in Agile Scrum ceremonies including daily stand-ups, sprint planning, and retrospectives. Collab- orated with cross-functional teams using JIRA and Confluence to ensure timely and quality delivery of business- critical features.

Senior Software Engineer Mar 2020 – Aug 2023

Capgemini, Client: Barclays, Chennai, India

• Developed scalable, high-performing web applications for Barclays using Java, Spring Boot, Spring Framework, Hibernate, and Maven by optimizing code and implementing effective caching strategies.

• Designed and implemented secure REST APIs using Spring Security and OAuth2 to support seamless client-server communication.

• Optimized SQL queries and managed database operations in MySQL and PostgreSQL to enhance backend perfor- mance and data retrieval.

• Designed Spring MVC controllers to manage HTTP requests and responses, maintaining a clear separation of concerns for the web application’s architecture.

• Conducted thorough unit testing using JUnit and Mockito to maintain code quality and reduce post-release defects.

• Led CI/CD deployment pipelines using Jenkins, incorporating OpenShift for containerized deployments, streamlin- ing continuous integration workflows

• Automated backend workflows with AWS Lambda and Step Functions, increasing operational efficiency and scala- bility.

• Deployed containerized Spring Boot microservices on AWS EC2 using Docker and Jenkins, ensuring scalability and resilience in cloud-based environments.

• Led code reviews and refactored backend logic to improve application response time and overall performance.

• Collaborated with Agile teams using JIRA, Confluence, and Slack to ensure smooth development cycles and effective cross-functional communication.

Education

Northern Arizona University – Arizona, USA

Master’s in Computer and Information Sciences

Relevant Coursework: Data Structures, Principles of Languages, Algorithms, Web Technology, Software Assurance Saveetha Engineering College – Chennai, India

Bachelor of Science in Computer Science and Engineering Relevant Coursework: Algorithms, Software Engineering, Artificial Intelligence, Object Oriented Programming, Python, DBMS

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