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Java Backend / Full Stack Engineer with 5+ years of experience building microservices, REST APIs, and event-driven applications in financial and enterprise environments. Skilled in Spring Boot, Kafka, React, and AWS, with a focus on improving API performance, reducing latency, and supporting high-volume production systems. Experienced in asynchronous processing, SQL and MongoDB database optimization, and CI/CD pipelines, working with cross-functional teams to deliver reliable, maintainable applications with strong monitoring and production support practices.…Java Backend / Full Stack Engineer with 5+ years of experience building microservices, REST APIs, and event-driven applications in financial and enterprise environments. Skilled in Spring Boot, Kafka, React, and AWS, with a focus on improving API performance, reducing latency, and supporting high-volume production systems. Experienced in asynchronous processing, SQL and MongoDB database optimization, and CI/CD pipelines, working with cross-functional teams to deliver reliable, maintainable applications with strong monitoring and production support practices.

Avinash Manchala

Back-End Developer, Full Stack Developer, Programmer, +2

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Java Backend / Full Stack Engineer with 5+ years of experience building microservices, REST APIs, and event-driven applications in financial and enterprise environments. Skilled in Spring Boot, Kafka, React, and AWS, with a focus on improving API performance, reducing latency, and supporting high-volume production systems. Experienced in asynchronous processing, SQL and MongoDB database optimization, and CI/CD pipelines, working with cross-functional teams to deliver reliable, maintainable applications with strong monitoring and production support practices.…Java Backend / Full Stack Engineer with 5+ years of experience building microservices, REST APIs, and event-driven applications in financial and enterprise environments. Skilled in Spring Boot, Kafka, React, and AWS, with a focus on improving API performance, reducing latency, and supporting high-volume production systems. Experienced in asynchronous processing, SQL and MongoDB database optimization, and CI/CD pipelines, working with cross-functional teams to deliver reliable, maintainable applications with strong monitoring and production support practices.

Available to hire

Java Backend / Full Stack Engineer with 5+ years of experience building microservices, REST APIs, and event-driven applications in financial and enterprise environments. Skilled in Spring Boot, Kafka, React, and AWS, with a focus on improving API performance, reducing latency, and supporting high-volume production systems.

Experienced in asynchronous processing, SQL and MongoDB database optimization, and CI/CD pipelines, working with cross-functional teams to deliver reliable, maintainable applications with strong monitoring and production support practices.

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Work Experience

Java Backend / Full Stack Engineer at Fidelity Investments

January 1, 2025 - Present

Developed and optimized Spring Boot microservices supporting financial transaction workflows, improving processing efficiency by 25% via enhanced API design, asynchronous handling, and backend performance tuning. Implemented Kafka-based event streaming pipelines for real-time processing, reducing latency by 30% and enabling scalable asynchronous communication across distributed microservices handling high-volume transaction loads. Built reusable React components and modular UI structures, improving front-end development efficiency by 25%. Optimized MongoDB queries, indexing strategies, and aggregation pipelines to reduce API response times by 35% and improve performance under high concurrent volumes. Supported AWS EC2 deployments and configuration management using Systems Manager to improve deployment stability and reduce manual intervention. Monitored production performance, performed root-cause analysis, enhanced logging, fixed issues, and collaborated across teams to reduce downtime

Java Full Stack Engineer at Tata Consultancy Services (TCS)

March 1, 2022 - August 1, 2023

Developed and maintained Spring Boot microservices for enterprise applications, improving API response time by 28% through efficient request handling, caching strategies, and optimized backend processing workflows. Built secure REST APIs using OAuth 2.0 authentication and API Gateway policies to ensure proper authorization and access control. Optimized SQL queries, indexing, and transaction handling in relational databases to improve data retrieval performance by 30% for high-volume transactional workloads. Implemented Docker containerization and Jenkins CI/CD pipelines, reducing deployment time by 40% and improving build consistency and release stability. Developed unit and integration tests with JUnit and Mockito to increase test coverage and reduce defects. Collaborated with QA, DevOps, and business stakeholders to deliver scalable features aligned with agile sprints.

Junior Java Engineer at Insight Global

August 1, 2019 - February 1, 2022

Developed backend services and REST APIs using Java and Spring MVC for internal tools supporting reporting and data processing needs. Optimized Oracle database queries and batch processing jobs, improving execution efficiency by 25% and reducing processing time for daily business-critical operations. Enhanced UI components using JSP, HTML, CSS, and Bootstrap, improving usability and reducing user-reported issues by 20%. Supported CI/CD pipelines using Jenkins and Docker to improve deployment consistency and reduce environment-related defects. Assisted with testing, debugging, and resolving application issues to improve system stability and reduce post-release defects with QA collaboration.