Stack Developer React Js

Deepthi Reddy Kallam

Java Full Stack Developer

• ******.*@********.*** • 816-***-**** • Kansas City, Missouri • LinkedIn SUMMARY

Full Stack Developer with around 4 years of experience, building scalable, high-performance web applications and enterprise solutions using Java, Spring Boot, React.js, Angular, and Microservices, ensuring seamless development, system architecture, and maintainability.

Skilled in backend and frontend development, leveraging Spring MVC, Hibernate, RESTful APIs, GraphQL, and WebSockets, while utilizing Bootstrap, Material-UI, Redux, and TypeScript to create responsive, and highly interactive user interfaces.

Extensive experience in microservices architecture, API integrations, and cloud-based deployments, using Docker, Kubernetes, Jenkins, AWS (EC2, S3, Lambda), and Azure DevOps to automate workflows, enhance security, optimize scalability, and improve fault tolerance.

Strong expertise in database design, optimization, and management, working with MySQL, PostgreSQL, MongoDB, Redis, and Cassandra, implementing partitioning, indexing, query tuning, and caching strategies to improve query execution speed, integrity, and efficiency.

Expert in system performance, scalability, and security, applying multi-threading, caching, message-driven architectures (Kafka, RabbitMQ), OAuth 2.0, and JWT authentication to develop resilient, fault-tolerant, secure, and high-performance distributed applications. EDUCATION

Master of Science in Computer Science

University of Missouri - Kansas City

SKILLS

Programming & Frameworks: Java, Spring Boot, Spring MVC, Hibernate, JPA, Java EE, Microservices Architecture, RESTful APIs Web Development & Frontend: JavaScript, TypeScript, React.js, Angular, JSP, Servlets Cloud & DevOps: AWS (EC2, S3, Lambda, RDS), GCP (Cloud Functions, Firebase), Docker, Kubernetes, Terraform, CI/CD Databases & Data Management: MySQL, PostgreSQL, Oracle, MongoDB, Redis, JDBC, JPA, Hibernate Query Language (HQL) Software Development & Tools: Git, GitHub, GitLab, Maven, Gradle, IntelliJ IDEA, Eclipse, VS Code Security & API Management: OAuth2, JWT, Role-Based Access Control (RBAC), API Gateway, Postman, Swagger Testing & Performance Optimization: JUnit, Mockito, Selenium, Load Testing, Memory Profiling, JVM Optimization Agile & Collaboration: Agile (Scrum/Kanban), JIRA, Confluence, Code Reviews, Peer Programming PROFESSIONAL EXPERIENCE

Black Rock Jan 2024 – Present Kansas City, Missouri Java Full Stack Developer

• Designed, architected, implemented, and optimized a large-scale microservices ecosystem using Spring Boot, React.js, GraphQL, and Docker, improving request handling speed by 55%, reducing downtime, and ensuring smooth system interoperability across cloud platforms.

• Developed, enhanced, maintained, and restructured highly responsive React.js, TypeScript, and Redux Toolkit applications, increasing UI rendering speed by 45%, improving accessibility across devices, and ensuring pixel-perfect front-end consistency.

• Engineered, deployed, secured, and monitored RESTful and GraphQL API endpoints with OAuth 2.0, JWT authentication, and API Gateway, strengthening data protection, improving API response efficiency by 50%, and reducing unauthorized access risks.

• Refactored, modernized, transitioned, and streamlined monolithic architectures into AWS Lambda, DynamoDB, and S3-based serverless solutions, decreasing infrastructure costs by 38%, improving auto-scaling capabilities, and boosting system efficiency.

• Redesigned, indexed, optimized, and fine-tuned relational and NoSQL databases (PostgreSQL, MongoDB) by implementing advanced partitioning, caching, and indexing strategies, reducing complex query response times by 52%, improving data integrity.

• Built, integrated, automated, and enhanced continuous integration and deployment pipelines using Jenkins, Docker, and Kubernetes, lowering release failures by 65%, increasing deployment efficiency, and minimizing rollback complexities.

• Implemented, fine-tuned, managed, and configured event-driven microservices using Apache Kafka, AWS SQS, and RabbitMQ, increasing throughput by 50%, reducing message-processing delays, and enabling scalable asynchronous event workflows.

• Secured, enforced, audited, and strengthened system-wide RBAC policies, AES-256 encryption, and multi-factor authentication, ensuring full compliance with financial industry security standards, reducing vulnerabilities, and mitigating security breaches. Macro Software Solutions Jul 2020 – Dec 2022 Hyderabad, India Java Full Stack Developer.

• Constructed, deployed, maintained, and upgraded enterprise-grade web applications using Angular, Spring Boot, and Hibernate, improving frontend efficiency by 50%, enhancing code reusability, and optimizing UI rendering for a seamless experience.

• Optimized, restructured, enhanced, and reengineered reusable frontend components using Angular, RxJS, and NgRx, increasing page load speeds by 47%, improving modularity, and enhancing real-time interactions with UI elements.

• Engineered, configured, deployed, and extended high-performance RESTful APIs with Spring WebFlux, gRPC, and Redis caching, reducing API response latency by 43%, improving data exchange performance, and supporting complex transaction workflows.

• Upgraded, migrated, secured, and modernized legacy monolithic applications by transitioning workloads to AWS ECS, RDS, and CloudFront, lowering hosting expenses by 35%, improving failover mechanisms, and enabling responsive resource scaling.

• Refined, optimized, scaled, and improved relational and NoSQL database queries (MySQL, PostgreSQL, Cassandra) using partitioning, indexing, and caching mechanisms, achieving a 48% reduction in data retrieval times and increasing data accuracy.

• Created, tested, implemented, and automated end-to-end test suites using JUnit, Selenium, and Cypress, reducing defect rates by 40%, increasing overall test coverage, and ensuring software stability across diverse environments.

• Deployed, monitored, maintained, and configured containerized applications using Docker, Helm, and Kubernetes, enabling horizontal scalability, better fault tolerance, and improved deployment reliability across distributed computing clusters.

• Led, streamlined, improved, and enhanced Agile development methodologies, including sprint planning, backlog refinement, and cross-team collaboration, achieving a 22% increase in project efficiency, reducing delays, and improving team productivity

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