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I'm Mani Harsha Masina, a Full Stack Developer with 3+ years of experience designing and developing secure, scalable web applications using Java, Spring Boot, React.js, and RESTful APIs. I specialize in building dynamic frontends with Next.js, real-time features using WebRTC, and microservices deployed on AWS with Docker and Kubernetes. I excel in event-driven architectures, database optimization, CI/CD automation, and cloud-first backend engineering. I collaborate well in Agile environments and have a track record of improving system performance, automating manual tasks, and delivering high-quality user experiences.…I'm Mani Harsha Masina, a Full Stack Developer with 3+ years of experience designing and developing secure, scalable web applications using Java, Spring Boot, React.js, and RESTful APIs. I specialize in building dynamic frontends with Next.js, real-time features using WebRTC, and microservices deployed on AWS with Docker and Kubernetes. I excel in event-driven architectures, database optimization, CI/CD automation, and cloud-first backend engineering. I collaborate well in Agile environments and have a track record of improving system performance, automating manual tasks, and delivering high-quality user experiences.

Mani Harsha Masina

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

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I'm Mani Harsha Masina, a Full Stack Developer with 3+ years of experience designing and developing secure, scalable web applications using Java, Spring Boot, React.js, and RESTful APIs. I specialize in building dynamic frontends with Next.js, real-time features using WebRTC, and microservices deployed on AWS with Docker and Kubernetes. I excel in event-driven architectures, database optimization, CI/CD automation, and cloud-first backend engineering. I collaborate well in Agile environments and have a track record of improving system performance, automating manual tasks, and delivering high-quality user experiences.…I'm Mani Harsha Masina, a Full Stack Developer with 3+ years of experience designing and developing secure, scalable web applications using Java, Spring Boot, React.js, and RESTful APIs. I specialize in building dynamic frontends with Next.js, real-time features using WebRTC, and microservices deployed on AWS with Docker and Kubernetes. I excel in event-driven architectures, database optimization, CI/CD automation, and cloud-first backend engineering. I collaborate well in Agile environments and have a track record of improving system performance, automating manual tasks, and delivering high-quality user experiences.

Available to hire

I’m Mani Harsha Masina, a Full Stack Developer with 3+ years of experience designing and developing secure, scalable web applications using Java, Spring Boot, React.js, and RESTful APIs. I specialize in building dynamic frontends with Next.js, real-time features using WebRTC, and microservices deployed on AWS with Docker and Kubernetes.

I excel in event-driven architectures, database optimization, CI/CD automation, and cloud-first backend engineering. I collaborate well in Agile environments and have a track record of improving system performance, automating manual tasks, and delivering high-quality user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Developer at CGI Inc.

February 1, 2025 - Present

Developed and deployed RESTful APIs using Java (Spring Boot) with MySQL to support claim submission, retrieval, and updates; implemented JWT-based authentication and role-based access control via Spring Security; designed microservices for Claim Submission, Claim Status, and Notification to improve scalability and maintenance; built dynamic, responsive React dashboards for customers and agents; containerized services with Docker and Docker Compose to ensure consistent deployments; implemented secure file upload for claim documents; optimized Spring Data JPA queries and service layer for better performance; created end-to-end API tests with Postman and maintained Swagger UI documentation.

Full Stack Developer at Cellix Bio Pvt Ltd

August 1, 2023 - September 24, 2025

Built MERN stack application to manage 250 patent families across 14 countries; implemented Node.js RESTful APIs with MongoDB; integrated Firebase Authentication with role-based access; created centralized notification system using Node-scheduled tasks and AWS SES for 650+ deadlines; designed advanced search and multi-filter navigation; deployed on AWS EC2; integrated AWS S3 for 11,500+ patent images; Route 53 for DNS; added CloudWatch monitoring; achieved 100% SEO score through frontend optimization.

Full Stack Developer at ValueLabs

December 1, 2022 - September 24, 2025

Designed and deployed RESTful microservices using Node.js/Express and Java/Spring Boot; integrated MySQL and PostgreSQL with Spring Data JPA and React.js; built real-time, event-driven services using Apache Kafka; automated document validation workflows using Node.js, PDFBox, and custom parsers; implemented business rule logic with Drools and external APIs for sending status-based email and SMS alerts; collaborated using Git, Postman, Swagger, and Maven/NPM.

Full Stack Developer at ValueLabs

March 1, 2021 - December 31, 2022

Designed and deployed microservices with Node.js and Spring Boot, enhancing responsiveness via Redis caching and secure data flows with OAuth & JWT integration. Improved data retrieval with Spring Data JPA and complex filtering from MySQL/PostgreSQL with React.js frontends. Implemented Apache Kafka for real-time streaming of orders, ticketing, and notifications with automated build & release management. Created PDFBox-based automation reducing manual validation and SLA turnaround time. Used Drools-driven rule validation and secure email/SMS communication via API best practices. Maintained deployment reliability through Git workflows, Maven/NPM dependency governance, and rigorous code reviews.