Full-Stack Java Developer - Java 17 + Spring Boot Expert

Rajesh Pungathuru

***********@*****.*** +1-561-***-**** USA LinkedIn

Professional Summary

Full-Stack Java Developer with 4+ years of experience building scalable and secure enterprise applications.

Expertise in Java 17, Spring Boot, React.js, and Microservices with strong background in cloud-native development using AWS and Azure.

Proven record of measurable impact with 35% faster processing times, 30% higher deployment frequency, and 25% increased adoption rates across mission-critical systems.

Skilled at optimizing databases, automating CI/CD, and enhancing customer experience while collaborating in Agile environments.

Core Skills

Languages: Java 17+, JavaScript (ES6+), TypeScript, Python, SQL, HTML5, CSS3, C#

Back-End: Spring Boot, Spring MVC, Spring Security, Hibernate/JPA, REST APIs, Microservices, WebFlux, Node.js, GraphQL

Front-End: React.js (Hooks, Context API), Angular, Redux, Next.js, Tailwind CSS, Material-UI, Bootstrap

Databases: PostgreSQL, MySQL, MongoDB, Oracle, Redis, NoSQL

Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, GitLab CI/CD

Architecture & Tools: OAuth2/JWT, Kafka, RabbitMQ, Swagger/OpenAPI, SonarQube, Webpack, Prometheus, Grafana, Adobe Experience Manager

Testing: JUnit, Mockito, Selenium, Cypress, Jasmine, Mocha, Chai

Practices: Agile/Scrum, SDLC, TDD, CI/CD, Pair Programming, Code Reviews, Jira, Confluence

Soft Skills: Problem-Solving, Communication, Teamwork, Adaptability, Project Management

Professional Experience

Java Full Stack Developer – USAA

Jan 2025 – Present Texas, USA

Engineered Spring Boot microservices with asynchronous workflows and optimized PostgreSQL queries, achieving a 35% reduction in claim settlement time while improving efficiency during high-volume claims.

Strengthened system security posture with JWT/OIDC authentication and role-based access controls, which lowered unauthorized access incidents by 30% and ensured compliance with enterprise regulations.

Optimized backend infrastructure by implementing pre-signed AWS S3/Blob uploads with asynchronous antivirus scanning, which reduced bandwidth usage 45% and accelerated document processing speeds.

Integrated a fraud detection scoring service into escalation workflows that decreased fraudulent payout cases by 18%, reinforcing financial safeguards and customer trust in the claim’s platform.

Revamped PostgreSQL schemas, indexes, and Redis caching strategies to boost claim retrieval latency by 40%, enhancing responsiveness for customers during peak traffic volumes.

Automated CI/CD pipelines with Docker, Kubernetes, and Terraform, which increased deployment frequency by 30% and eliminated downtime across production environments.

Modernized customer-facing systems by building a React.js + TypeScript SPA integrated with REST APIs, which raised claim submission completion rates by 25% through an intuitive digital experience.

Facilitated real-time monitoring by deploying observability tools with Open Telemetry, Micrometre, and Grafana, which cut mean-time-to-detect production issues by 22% across mission-critical services.

Authored comprehensive Swagger/Open API documentation that reduced integration defects by 28% and accelerated onboarding speed for partner teams integrating with claims microservices.

Secured Kubernetes deployments through network policies, secrets management, and RBAC, which improved compliance posture by 25% and minimized vulnerabilities in cloud-native environments.

Java Full Stack Developer – Tata Consultancy Services (TCS)

May 2021 – Aug 2023 Hyderabad, India

Architected Spring Boot REST APIs for Payroll, Leave, and Attendance modules, which improved HR process efficiency by 40% and automated workflows across multiple departments.

Implemented Spring Security with JWT/OAuth2 authentication that reduced unauthorized access incidents by 30% and strengthened compliance with enterprise security standards.

Engineered advanced payroll logic for taxes, deductions, and payslip generation that automated 90% of manual tasks, minimizing delays and eliminating processing errors.

Developed React.js dashboards for performance and attendance tracking, which increased HR system adoption by 25% and gave managers actionable insights in real-time.

Leveraged Hibernate/JPA with PostgreSQL/MySQL to optimize queries, cutting payroll reporting time by 35% and accelerating delivery of financial insights for executives.

Deployed AWS S3 file storage with metadata tracking that secured employee onboarding documents, improving compliance and ensuring tamper-proof archival.

Streamlined deployments using Docker, Kubernetes, Jenkins, and Azure DevOps pipelines, which increased release frequency by 30% while reducing downtime.

Applied Clean Architecture and Repository Pattern, reducing onboarding time for developers by 20% and improving code maintainability for HRMS modules.

Full Stack Developer Intern – Food Vybe Technology Pvt. Ltd.

Sep 2020 – Apr 2021 Bangalore, India

Constructed Spring Boot APIs with JPA/MySQL for reservations, orders, and payments that improved order processing times by 40% and delivered faster backend response for users.

Fortified application security by implementing JWT-based authentication with Spring Security RBAC, which reduced unauthorized access attempts by 30% and strengthened platform reliability.

Integrated Stripe and Razor pay gateways with webhook retries that boosted payment completion rates by 25% and reduced failed transaction escalations.

Designed responsive Angular UI components with Bootstrap that enhanced mobile user engagement by 50% and improved the customer checkout experience.

Coordinated Dockerized builds with GitHub Actions CI/CD pipelines that reduced downtime by 20% and streamlined deployment cycles for production environments.

Projects

AI-Powered Presentation Builder: Developed a Next.js + GPT-4 SaaS tool to auto-generate PowerPoint decks, reducing manual slide creation by 90%, integrated with Firebase Auth and PptxGenJS for secure login and live PPTX exports.

Portfolio Website: Designed a responsive React.js + Next.js personal portfolio, hosted on GitHub Pages, achieving 100% mobile compatibility and increasing engagement through SEO-friendly design and interactive project cards.

Certifications

Microsoft Certified: Azure Fundamentals (AZ-900)

Microsoft Certified: Azure Developer Associate (AZ-204)

Oracle Certified: Fusion Cloud HCM, ERP, and CX Foundations Associate

Forage: Walmart USA – Advanced Software Engineering Job Simulation

Education

M.S. Computer Science – Florida Atlantic University, USA (Aug 2023 – May 2025)

B.E. Electronics & Communication – Saveetha Engineering College, India (Aug 2017 – Aug 2021)

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