Java Software Engineer

Kalyan Pologi

******.*****@*****.*** +1-469-***-****

linkedin.com/in/kalyan-pologi github.com/kalyan-pologi leetcode.com/u/kalyan-pologi/ PROFESSIONAL SUMMARY

• Java Software Engineer with 4+ years in Java enterprise, Spring Boot, ReactJS, and microservices across multiple domains.

• Expertise in data structures, algorithms, OOP principles, design patterns, event-driven and database optimization techniques.

• Hands-on experience with MySQL/PostgreSQL, MongoDB, AWS cloud and comprehensive testing using JUnit/Mockito.

• Proficient in REST/GraphQL APIs, messaging systems (Kafka, RabbitMQ), and modern full-stack web development frameworks.

• Delivered production-ready solutions across FinTech, Healthcare domains with TDD practices, CI/CD pipelines and agile methods. WORK EXPERIENCE

Java Software Engineer - CITI Dallas, TX Jan 2025 – Present

• Refactored legacy digital banking systems into scalable Java microservices architecture using Spring Boot framework and Maven build automation, improving system throughput by 30% through effective troubleshooting.

• Implemented Factory and Singleton design patterns with Spring IoC container and AOP aspects, enhancing code maintainability by 20% while following Object-Oriented Programming (OOP) principles and secure SDLC processes.

• Optimized digital banking microservices with Java Concurrency Utilities and event-driven architecture (EDA), following system design principles to enable thread-safe transaction handling and improving peak throughput by 25%.

• Architected real-time credit risk assessment service with Java enterprise development, PostgreSQL database indexing strategies, Hibernate/JPA optimization techniques, and query optimization, achieving minimal latency for 100K+ daily transactions.

• Member of cross-functional agile development teams using Jira sprint planning, business analysis for user requirements gathering, root cause analysis for production issues, and DevOps workflow management, increasing project delivery efficiency by 20%. Java Full Stack Developer – INTUIT India June 2021 – July 2023

• Transformed enterprise monolithic applications into distributed Java microservices using Spring Boot, Clean Architecture patterns, Docker containerization, and Kubernetes orchestration, accelerating feature deployment cycles by 25%.

• Designed GraphQL-based Reporting Hierarchy service with PostgreSQL database, Hibernate ORM mapping, Spring Data JPA and Redis caching layer, enabling real-time organizational data access and reducing lookup times by 30% for HR platforms.

• Integrated backend REST API with ReactJS front-end with ES6 enterprise portals using Axios HTTP client and Redux state management, minimizing synchronization issues by 20% and enhancing User Interface and UX across HR and finance dashboards.

• Enhanced HR and finance dashboards by implementing AJAX for dynamic user interactions and applying Domain-Driven Design

(DDD) principles, streamlining UI responsiveness and reducing production support resolution time by 25%.

• Orchestrated asynchronous messaging infrastructure with Kafka event streaming and RabbitMQ message queuing using Event- Driven Architecture (EDA) patterns, achieving 99.99% message delivery accuracy and 25% reduced inter-service latency.

• Utilized version control systems (Git), conducted comprehensive code reviews, and authored API specifications while performing business analysis to gather user requirements, ensuring alignment between technical solutions and business objectives. Java Software Engineer - Fortis Medical India Jan 2020 – May 2021

• Developed RESTful APIs and web services using Java and Spring Boot, JSON processing, and OpenAPI/Swagger documentation, handling 100K+ clinical requests daily with 99.99% uptime for healthcare workflow automation and patient care operations.

• Engineered JWT and OAuth2 authentication using Spring Security and BCrypt encryption, and RBAC implementation ensuring compliant access controls for sensitive patient health data and collaborative healthcare team workflows.

• Implemented comprehensive unit testing, integration testing & End-to-End testing using JUnit and Mockito, following Test- Driven Development (TDD) practices throughout the SDLC to ensure code quality and reduce production defects by 20%.

• Optimized MySQL and NoSQL (MongoDB) queries using indexing strategies, connection pooling, and profiling tools, reducing data retrieval latency by 10% for real-time clinical metadata access in production systems.

• Applied problem-solving skills and detail-oriented approach to troubleshoot complex healthcare workflow issues, collaborating with cross-functional teams to gather user requirements and deliver cloud-based solutions. SKILLS

Languages and Databases: Java 11/17/21, Python, TypeScript, JavaScript, HTML, CSS3, JSP, PostgreSQL, MySQL, MongoDB. Frameworks: Spring Boot, Spring Framework, Spring MVC, Flask, ReactJS, AngularJS, Kafka, RabbitMQ, Redis. Tools and Cloud: AWS (Lambda, EC2, S3, SNS, API Gateway), Azure, Docker, Kubernetes, Jenkins, Git, GitHub, VSCode, Postman. APIs & Security: REST APIs, GraphQL, SOAP, WebSockets, API Development, OAuth 2.0, JWT, OWASP, RBAC, Okta. Analytics and Agile: Pandas, NumPy, scikit-learn, Jira, Confluence, PyTest, Junit 5, Selenium, Unit Test, Integration Testing, CI/CD, Microservices, TDD, Agile (Scrum, Kanban), JMeter, SonarQube, Swagger/OpenAPI, Maven, Gradle, Mockito. Certifications: Data Structures and Algorithms (DSA), AWS Certified Cloud Practitioner, Full Stack Web Development (React) EDUCATION

Southern Arkansas University Master of Science in Computer Science Magnolia, AR Aug 2023 – May 2025

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