Stack Developer React Js

Sai Rama Krishna Chowdary Valluri Full stack Developer

Bridgeport, CT +1-475-***-**** **************@*****.*** LinkedIn SUMMARY

Full Stack Developer with 6+ years of experience building scalable applications using Java, Spring Boot, Node.js, React.js, and Angular. Skilled in designing secure RESTful and GraphQL APIs, optimizing PostgreSQL, Oracle, MongoDB, and Redis, and deploying solutions on AWS and Azure. Strong background in CI/CD automation, containerization with Docker/Kubernetes, and test automation with JUnit, Mockito, Cypress, and Selenium. TECHNICAL SKILLS

Languages & Scripting: Java (8–17), JavaScript (ES6+), TypeScript, SQL, Python (working) Backend: Spring Boot, Spring MVC, Hibernate, JPA, Node.js, Microservices, RESTful & GraphQL APIs, OAuth2, JWT Frontend: React.js, Angular 9+, Next.js (exposure), Redux Toolkit, Material-UI, Tailwind CSS, HTML5, CSS3, Bootstrap Databases & Messaging: PostgreSQL, MySQL, Oracle, MongoDB, Redis, Apache Kafka, RabbitMQ, Query Optimization Cloud & DevOps: AWS (EC2, RDS, S3, Lambda, ECS, API Gateway, CloudWatch), Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, GitLab CI, Azure DevOps, SonarQube Testing & QA: JUnit, Mockito, Selenium, Cypress, Jest, Mocha, Playwright, Postman, Swagger Monitoring & Observability: Prometheus, Grafana, ELK Stack, Nagios, Splunk (exposure) Additional Expertise: ETL Pipelines, Apache Spark, Real-Time Data Processing, Automation of Financial Apps, ML APIs EXPERIENCE

Full Stack Developer JPMorgan Chase & Co. CT, USA Dec 2024 – Present

Built front-end features with React.js and Angular, focusing on responsive layouts, accessibility, and smooth integration with back-end services. Improved usability for client-facing apps by refining designs and boosting performance.

Developed RESTful and GraphQL APIs in Spring Boot and Node.js, adding OAuth2 and JWT authentication to secure sensitive banking data. Strengthened reliability and supported large-scale financial transactions.

Designed and optimized data models in PostgreSQL, Oracle, MongoDB, and Redis, applying indexing, tuning, and caching. Reduced response times for high-traffic apps and improved data consistency.

Automated deployments through Jenkins, GitHub Actions, and Azure DevOps, using Docker and Kubernetes on AWS and Azure. Enabled faster, more consistent releases.

Set up Prometheus, Grafana, and ELK dashboards to monitor performance and detect issues early, reducing incident resolution time and ensuring system stability.

Full Stack Developer Hexaware Technologies India Jun 2020 – Jul 2023

Delivered full-stack applications with Angular, React.js, Spring Boot, and Node.js, creating user-friendly interfaces and reliable back-end services for thousands of daily users.

Built RESTful and GraphQL APIs with secure authentication (OAuth2, JWT) and 3rd-party integrations, which improved data exchange and lowered response times.

Managed databases including Oracle, PostgreSQL, and MongoDB, implementing Redis caching and query tuning to handle high-volume workloads efficiently.

Automated pipelines with Jenkins, GitHub Actions, and Azure DevOps, deploying applications on AWS and Kubernetes, which made releases faster and more reliable.

Set up Prometheus, Grafana, and ELK dashboards to track system health, helping the team cut incident resolution time significantly.

Wrote unit, integration, and UI tests using JUnit, Mockito, Cypress, and Selenium, improving coverage and lowering production defects.

Java Developer Citius Tech India May 2018 – May 2020

Developed enterprise applications with Java Spring Boot and React.js, focusing on reusable components and modular design that made scaling easier.

Built CI/CD pipelines with Jenkins and GitLab CI, adding automated testing that reduced manual errors and sped up deployments.

Deployed applications on AWS (EC2, RDS, IAM, VPCs) with Docker, ensuring secure and reliable infrastructure that met compliance standards.

Designed real-time data pipelines with Kafka, Spark, and MongoDB, which improved data ingestion speed and made analytics available faster.

Set up ELK, Prometheus, Grafana, and Nagios monitoring, maintaining high availability and detecting issues early to keep uptime near 99.99%.

Participated in Agile ceremonies and improved stability by refactoring legacy modules, reducing recurring issues and lowering technical debt.

EDUCATION

Masters in computer Science University of Bridgeport, USA Apr 2025 Bachelors in computer Science Andhra University, India May 2019

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