Java Full-Stack Engineer with 4+ Years of Experience

Girish Babu Perumalla Java Full Stack Developer

CA, USA 201-***-**** *********@*****.*** LinkedIn SUMMARY

Java Full Stack Developer with 4+ years delivering secure, scalable financial and e-commerce applications using Java, Spring Boot, Hibernate, REST APIs, and microservices, enhancing system performance, stability, and enterprise-grade reliability.

Expertise in building responsive frontends with Angular, React, JavaScript, TypeScript, and HTML/CSS, improving engagement, reducing latency, and delivering omnichannel experiences aligned with accessibility standards.

Strong in designing relational and NoSQL databases using MySQL, PostgreSQL, and MongoDB, improving transaction accuracy, query efficiency, data integrity, and system throughput for high-volume financial and retail workloads.

Experienced in automated CI/CD pipelines and cloud-native deployments using Docker, Kubernetes, Jenkins, AWS, and Git, accelerating releases, increasing operational resilience, and strengthening agile delivery across distributed engineering teams. TECHNICAL SKILLS

Front-End Technologies: HTML5, CSS3, Bootstrap, UI Material, JavaScript, TypeScript, ES6, React.js, Redux, Angular, jQuery, Next.js, Responsive Web Design

Back-End Technologies: Core Java, Java 8, C++, Spring Boot, Spring MVC, Hibernate ORM, Microservices, RESTful API, GraphQL API, SOAP, Web Services, Streams, Lambda Functions J2EE & Enterprise: Servlets, JSP, JDBC, JMS, Maven, Multi-threading, Enterprise Integration Patterns Databases: Oracle, MySQL, PostgreSQL, SQL, MongoDB (NoSQL), Cassandra, Redis, ElasticSearch CI/CD & Build Tools: Jenkins, CodeShip, GitHub Actions, GitLab CI, Maven, Gradle, SonarQube, Nexus, Repository Testing & QA Tools: JUnit, Mockito, Jest, React Testing Library, Selenium WebDriver, TestNG, Postman Cloud & Deployment: AWS (EC2, S3, RDS, Lambda), Azure, Docker, Kubernetes, OpenShift, Terraform, Ansible Web Servers: Apache Tomcat, WebLogic, JBoss EAP, Nginx Version Control & Agile Tools: Git, GitHub, Bitbucket, SVN, Jira, Agile, Scrum, Kanban Monitoring & Logging: Splunk, ELK Stack (Elasticsearch, Logstash, Kibana), Prometheus, Grafana Messaging & Streaming: Apache Kafka, RabbitMQ, ActiveMQ Other Technical Skills: Design Patterns, OOPs Concepts, SDLC, Secure Coding (OWASP), Performance Tuning, Cross- Browser Compatibility, Responsive UI Development, Swagger OpenAPI, API Gateway, Kong API Management

Operating Systems: Windows, Linux, Mac OS, Unix

WORK EXPERIENCE

Java Full Stack Developer JPMorgan Chase- CA, USA Sep 2023 – Present

Led development of digital banking platform enabling real-time transactions, secure payments, and large-scale onboarding, enhancing operational reliability, regulatory compliance, and customer experience across financial workflows.

Developed RESTful APIs using Java, Spring Boot, and Spring MVC, boosting transaction throughput by 32% through optimized exception handling, asynchronous processing, caching, and enhanced concurrency across financial applications.

Designed PostgreSQL schemas, queries, triggers, and indexing strategies, improving reporting accuracy by 28%, reducing query latency by 35%, and strengthening audit transparency across regulated, high-volume financial data environments.

Architected secure cloud solutions using AWS S3, EBS, IAM, and Lambda, automating backup workflows, improving disaster-recovery readiness by 40%, and ensuring strict PCI DSS and GDPR adherence across banking-data operations.

Built responsive dashboards using React.js, Redux, and JavaScript ES6+, leveraging WebSockets to deliver real-time insights, improving user navigation speed by 22%, and elevating digital-banking interaction quality across enterprise platforms.

Implemented JSR-380 and Hibernate Validator to enforce robust transaction validation standards, reducing invalid submissions by 18% and improving data consistency across multi-service financial workflows and integrated application ecosystems.

Integrated Apache Kafka using producers, consumers, partitioning, and replication, enabling scalable event-driven processing and supporting real-time ingestion of over 1.2M+ daily financial logs across distributed banking systems.

Built microservices using Spring Cloud Eureka, Feign, Config Server, and Hystrix, improving modularity, enhancing resilience, strengthening fault isolation, and reducing enterprise release cycles by 25% across distributed financial services.

Orchestrated Kubernetes deployments with auto-scaling, rolling updates, and self-healing, streamlining CI/CD via Jenkins and GitHub Actions, cutting deployment failures by 40% across production and staging environments.

Developed custom reporting modules using JSP, Servlets, JSTL, and Spring MVC ViewResolver, improving page load times by 30% and enabling highly tailored analytics for enterprise banking dashboards and financial clients. Java Full Stack Developer HCL Tech- India Jun 2020 – Jul 2022

Transitioned the enterprise e-commerce platform to cloud-ready microservices, increasing scalability by 42%, strengthening architecture, accelerating feature cycles, and sustaining reliable performance for 500K+ daily users.

Engineered Spring Boot and Java microservices, enhancing system stability, raising transaction throughput by 30%, optimizing runtime behavior, managing peak loads, and ensuring uninterrupted operations handling 1.2M+ transactions daily.

Applied multi-threaded Java processing models to stabilize throughput, prevent peak-time degradation, sustain parallel task execution, and maintain uninterrupted operations during high-traffic flash-sale and seasonal spikes.

Streamlined RESTful API workflows, improving data synchronization, reducing response delays by 25%, maintaining accuracy, and reinforcing backend consistency across distributed commerce ecosystems with 200+ microservice calls/hour.

Strengthened backend reliability using JUnit, increasing system dependability by 38%, enhancing defect detection, minimizing operational risks, and ensuring consistent performance across critical customer-facing features.

Accelerated intensive computation through Java Streams API optimizing catalog retrieval, trimming system overhead, enhancing session fluidity, and supporting smoother user interactions across 150K+ product catalog entries.

Administered MongoDB-backed data operations, ensuring rapid catalog queries, flexible schema handling, efficient inventory changes, and dependable session scaling supporting evolving digital commerce requirements for 100K+ active sessions daily.

Standardized service environments through Docker packaging, improving validation workflows, elevating delivery predictability, reducing environment drift, and securing consistent release behavior across layered commerce infrastructure pipelines.

Revamped checkout flows using advanced responsive principles, decreasing abandonment by 18%, lifting conversion effectiveness, sharpening user clarity, and ensuring seamless end-to-end purchase execution across 50K+ orders per month.

Crafted accessibility-centered interfaces with HTML5, CSS3, and React.js, enabling unified multi-device experiences, elevating navigational smoothness, strengthening engagement, and sustaining cross-platform consistency.

Structured modular JavaScript components supporting instant cart interactivity, dynamic filtering behavior, faster UI responsiveness, and more fluid browsing throughout high-load digital storefront conditions.

Delivered responsive real-time interactions via WebSocket and Node.js, enabling instantaneous cart reactions, swift support responses, live tracking visibility, and consistently engaging experiences across volatile workloads. EDUCATION

Master of Science in Computer Science Sep 2022 – Dec 2023

– University of Bridgeport, CT, USA.

Bachelor of Technology in Electronics and Communication Engineering Aug 2018 – May 2022

– KL University, Vijayawada, AP, India

Contact this candidate