Java Full Stack Developer with 8+ years of experience building scalable, high-availability enterprise systems across Financial, Banking, Retail, and Electronics. Known for translating complex business requirements into reliable production software and improving performance through modern architecture. Have led microservices and event-driven transformations using Java 17/21, Spring Boot 3.x, Spring Cloud, WebFlux, Kafka/Kafka Streams, and cloud migrations to AWS/Azure. Built CI/CD automation, observability, and security with OAuth2/JWT and Spring Security, while delivering React/Next.js/Angular front-end experiences and real-time data platforms.

Gnanesh Machavarapu

Java Full Stack Developer with 8+ years of experience building scalable, high-availability enterprise systems across Financial, Banking, Retail, and Electronics. Known for translating complex business requirements into reliable production software and improving performance through modern architecture. Have led microservices and event-driven transformations using Java 17/21, Spring Boot 3.x, Spring Cloud, WebFlux, Kafka/Kafka Streams, and cloud migrations to AWS/Azure. Built CI/CD automation, observability, and security with OAuth2/JWT and Spring Security, while delivering React/Next.js/Angular front-end experiences and real-time data platforms.

Available to hire

Java Full Stack Developer with 8+ years of experience building scalable, high-availability enterprise systems across Financial, Banking, Retail, and Electronics. Known for translating complex business requirements into reliable production software and improving performance through modern architecture.

Have led microservices and event-driven transformations using Java 17/21, Spring Boot 3.x, Spring Cloud, WebFlux, Kafka/Kafka Streams, and cloud migrations to AWS/Azure. Built CI/CD automation, observability, and security with OAuth2/JWT and Spring Security, while delivering React/Next.js/Angular front-end experiences and real-time data platforms.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more

Language

Work Experience

Senior Java Full Stack Developer at Fidelity Investments
July 1, 2024 - Present
Re-architected a legacy monolithic trading module into Java 17 / Spring Boot 3.x microservices, reducing average API response time by 35% and enabling independent feature releases without full-system regression. Owned migration to Spring WebFlux / Project Reactor for the market-data ingestion pipeline, increasing throughput to support 3x peak trading volume without additional infrastructure spend. Built a real-time portfolio dashboard using React 18, Redux Toolkit, TypeScript and Next.js, reducing average page-load time by 45%. Designed event-driven architecture using Apache Kafka / Kafka Streams, cutting trade-event processing latency from minutes to sub-second. Containerized and migrated to Kubernetes on Amazon EKS with Helm, reducing deployment time from hours to under 10 minutes. Built and owned CI/CD pipelines (Jenkins/GitHub Actions) with Terraform-managed AWS infrastructure, increasing release frequency and improving delivery cadence. Hardened application security with Spring Se
Java Full Stack Developer at Samsung Electronics
November 1, 2022 - June 30, 2024
Delivered device management REST microservices using Java 11 / Spring Boot / Spring Data JPA, reducing firmware update failures by 20% via improved validation and retry logic. Built internal device analytics dashboards with React 18, Redux and TypeScript, reducing analyst diagnosis time from hours to minutes. Introduced GraphQL alongside REST to reduce over-fetching and cut dashboard load times by 30%. Implemented RabbitMQ-based asynchronous telemetry ingestion enabling reliable scale to millions of daily device events. Containerized services with Docker and migrated deployments to Azure Kubernetes Service (AKS), improving environment consistency. Automated build/test/deploy with Azure DevOps pipelines, shortening release cycles from days to hours. Standardized API documentation with Swagger/OpenAPI and increased release confidence with JUnit/Mockito and integration validation using SoapUI/Postman. Implemented Grafana/Prometheus monitoring dashboards and adopted SonarQube code-quality
Java Full Stack Developer at Availity LLC
June 1, 2021 - October 31, 2022
Rebuilt core claims-processing and eligibility-verification microservices using Java 8 / Spring Boot / Spring MVC, improving accuracy and reducing manual claim rework by 20%. Developed a provider-facing portal with Angular 12, TypeScript and RxJS, streamlining multi-step eligibility workflows and reducing provider task completion time by 30%. Modernized payer integrations by building RESTful services alongside legacy SOAP interfaces to ensure uninterrupted data exchange during transitions. Implemented Kafka event streaming for claims-status updates to provide near real-time visibility instead of nightly batch refreshes. Strengthened portal security using Spring Security and LDAP authentication to meet healthcare compliance requirements. Tuned Hibernate/JPA mappings and optimized PostgreSQL/Oracle queries to reduce key claims-lookup query times by 40% during peak submission periods. Migrated hosting to AWS EC2/S3 with CloudWatch monitoring, containerized services with Docker, and automa
Java Full Stack Developer at Sprouts Farmers Market
January 1, 2020 - April 30, 2021
Built backend inventory and point-of-sale integration services using Java, Spring Boot and Spring Data JPA, reducing stock-count discrepancies by 15%. Delivered responsive store-operations web pages with Angular 8/9, TypeScript and Bootstrap, reducing manual inventory-check effort by 25%. Designed RESTful APIs connecting store systems to a central pricing engine, ensuring price updates propagate within minutes. Automated nightly inventory and pricing reconciliation using Spring Batch, eliminating a manual process and saving several hours per week. Optimized MySQL/Oracle queries, stored procedures and triggers for reporting, reducing regional manager report generation time by 35%. Containerized services with Docker and deployed to AWS EC2/S3 to improve environment parity. Implemented Redis caching for the product catalog, reducing page load time by 30% during promotions. Streamlined releases with Jenkins CI/CD and Maven and improved release quality via JUnit/Mockito test coverage and Po
Java Cloud Developer at Societe Generale Global Solution Centre (SocGen)
July 1, 2018 - December 31, 2019
Led migration of core banking Java/Spring Boot microservices from on-premise WebLogic/JBoss to AWS and Azure, reducing infrastructure costs by 20% and improving deployment reliability. Deployed and managed applications on AWS EC2, S3, RDS, Elastic Beanstalk and Azure App Services and Azure SQL Database, achieving zero-downtime cutovers for critical transaction systems. Built serverless components using AWS Lambda and Azure Functions for batch reconciliation and notifications, cutting nightly batch processing time by 40%. Secured cloud environments using AWS IAM and Azure Active Directory with tightened access controls ahead of a compliance audit with zero findings. Containerized legacy modules with Docker and deployed to AWS ECS / Azure AKS to improve scalability during month-end peaks. Established monitoring with AWS CloudWatch and Azure Monitor, reducing time to detect production anomalies. Wrote and tuned PL/SQL stored procedures for Amazon RDS (Oracle) and Azure SQL Database to imp

Education

Add your educational history here.

Qualifications

Industry Experience

Financial Services, Software & Internet, Computers & Electronics, Retail

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more