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I am a Java Full Stack Engineer with 4+ years of experience delivering scalable, high-performance multi-tenant web applications in distributed environments. Proficient in Java, Spring Boot, React.js, RESTful APIs, and microservices architecture, with hands-on experience in event-driven systems and cloud-native deployments on AWS. Strong background in database optimization, performance tuning, workflow orchestration, and cross-platform integrations. I have collaborated in Agile teams, working with product and engineering stakeholders across fintech and marketplace domains to deliver reliable, production-ready solutions.…I am a Java Full Stack Engineer with 4+ years of experience delivering scalable, high-performance multi-tenant web applications in distributed environments. Proficient in Java, Spring Boot, React.js, RESTful APIs, and microservices architecture, with hands-on experience in event-driven systems and cloud-native deployments on AWS. Strong background in database optimization, performance tuning, workflow orchestration, and cross-platform integrations. I have collaborated in Agile teams, working with product and engineering stakeholders across fintech and marketplace domains to deliver reliable, production-ready solutions.

Mohan Venkata Sai

Full Stack Developer, Back-End Developer, Web Developer, +5

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I am a Java Full Stack Engineer with 4+ years of experience delivering scalable, high-performance multi-tenant web applications in distributed environments. Proficient in Java, Spring Boot, React.js, RESTful APIs, and microservices architecture, with hands-on experience in event-driven systems and cloud-native deployments on AWS. Strong background in database optimization, performance tuning, workflow orchestration, and cross-platform integrations. I have collaborated in Agile teams, working with product and engineering stakeholders across fintech and marketplace domains to deliver reliable, production-ready solutions.…I am a Java Full Stack Engineer with 4+ years of experience delivering scalable, high-performance multi-tenant web applications in distributed environments. Proficient in Java, Spring Boot, React.js, RESTful APIs, and microservices architecture, with hands-on experience in event-driven systems and cloud-native deployments on AWS. Strong background in database optimization, performance tuning, workflow orchestration, and cross-platform integrations. I have collaborated in Agile teams, working with product and engineering stakeholders across fintech and marketplace domains to deliver reliable, production-ready solutions.

Available to hire

I am a Java Full Stack Engineer with 4+ years of experience delivering scalable, high-performance multi-tenant web applications in distributed environments. Proficient in Java, Spring Boot, React.js, RESTful APIs, and microservices architecture, with hands-on experience in event-driven systems and cloud-native deployments on AWS. Strong background in database optimization, performance tuning, workflow orchestration, and cross-platform integrations.

I have collaborated in Agile teams, working with product and engineering stakeholders across fintech and marketplace domains to deliver reliable, production-ready solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Associate Software Engineer at Milestone Technologies

February 1, 2023 - December 1, 2023

Developed and deployed payment microservices using Java (JDK 11), Spring Boot, REST APIs, and JWT-based authentication, supporting 50K requests per day with consistent uptime across environments. Automated reconciliation and settlement processes using Python and SQL scripts, saving roughly 12 hours of manual effort weekly. Optimized PostgreSQL queries by restructuring joins and indexes, reducing average endpoint response time from 3.8s to under 1.5s. Containerized microservices with Docker and automated Jenkins builds, cutting release cycle time from 90 minutes to under 25 minutes. Configured AWS services (EC2, S3, CloudWatch) for stable deployment environments and faster issue resolution. Designed and integrated an Apache Kafka-based event stream for asynchronous communication between microservices, enabling real-time data processing and improved system scalability.

Java Full Stack Developer at Dell Technologies

August 1, 2020 - January 31, 2023

Built and enhanced customer management modules using Java, Spring Boot, and REST APIs, enabling seamless processing of approximately 1.2 million service transactions per month across Dell's enterprise platforms. Optimized backend performance by refactoring SQL queries and stored procedures, reducing average execution times and ensuring faster customer responses. Implemented event-driven workflows using AWS Lambda and S3 to automate data synchronization between CRM and order management systems. Developed dynamic React.js components with REST APIs to create real-time dashboards for order tracking and system monitoring, improving usability for 300+ internal support users worldwide. Streamlined build and deployment pipelines with Jenkins and Docker, achieving deployment times under 30 minutes and delivering consistent, zero-downtime releases across production environments.

Software Engineer at Uber

February 1, 2026 - Present

Enhanced Java 17 / Spring Boot microservices across 8+ cadence workflows, maintained fault-tolerant marketplace processes, and validated state transitions across 10+ REST and asynchronous endpoints. Leveraged AI-assisted code analysis and trace summarization tools to accelerate developer onboarding by 32%, reduce debugging time, and improve test scaffolding efficiency by 22%. Delivered React.js dashboards with Redux-based state management, improving UI synchronization across service workflows and reducing client-side data inconsistencies by 19%.

Web Developer at Compass Group USA

August 1, 2024 - December 1, 2025

Designed and refined internal dining service web pages used by 1,500 campus residents across multiple halls, applying HTML5, CSS3, responsive UI components, and asynchronous API requests to improve UI responsiveness, accessibility, and information delivery. Enabled front-end modules to consume existing REST APIs, validating JSON responses and relational data to ensure accurate rendering of dynamic menu schedules and dining updates. Diagnosed and resolved UI rendering and form-submission defects through cross-browser testing, collaborating with dining operations and technical staff to maintain reliable information flow for high-traffic campus dining services.