Available to hire
Hi, I am Bhargav Adsupalli, a Full Stack Developer with 4+ years of experience building scalable web applications using AngularJS, Node.js, Express.js, Spring Boot, and MongoDB. I enjoy crafting reusable UI components, securing APIs with JWT, implementing role-based access, and optimizing queries across SQL and NoSQL stores for responsive, production-ready dashboards.
I thrive in Agile teams, contribute to CI/CD pipelines with GitHub Actions and GitLab, and collaborate closely with QA and design teams to deliver robust features across finance, healthcare, and insurance platforms. I am always learning and eager to mentor peers and drive improvements in architecture and developer experience.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
Javanese
Advanced
English
Fluent
Work Experience
MEAN stack Developer at MassMutual
January 1, 2025 - PresentDeveloped scalable Angular components using Reactive Forms and RxJS to improve code maintainability and reduce duplicate logic in investment planning modules. Created Express.js APIs integrated with MongoDB and secured with JWT-based authentication, enhancing security and reducing access errors in customer-facing applications. Migrated reporting modules from REST to GraphQL, achieving a 40% reduction in payload size and better query performance for financial dashboards. Automated CI/CD pipelines with GitHub Actions, PM2, and Vercel, speeding up production releases with version rollback and Slack alerts. Analyzed and implemented role-based permissions at the API layer with middleware, reducing support tickets and enabling granular access control. Integrated server-side logging and monitoring in Node.js services, improving issue traceability and reducing mean time to resolution. Actively participated in Agile sprints, collaborating with QA and design teams to deliver tested, deployable f
MEAN Stack Developer - Associate at State Street
July 1, 2023 - August 14, 2025Led development of reusable Angular Material UI components styled with SCSS to improve internal dashboards for financial reporting and reconciliation. Engineered RESTful APIs using Node.js with MongoDB and PostgreSQL to enable scalable data transactions and audit trails for multi-party financial processes. Integrated Passport.js with JWT for secure user sessions and detailed compliance logging across microservices. Authored Swagger and Postman API documentation to facilitate frontend-backend integration, support QA testing, and onboard new developers efficiently. Designed GitLab CI workflows automating unit testing, linting, and staging deployments, ensuring consistent release pipelines. Engaged in Agile ceremonies including sprint planning and daily standups, conducted code reviews, fixed bugs, and ensured alignment with business goals across distributed teams.
Jr. MEAN Developer at Optum (UnitedHealth Group)
December 31, 2020 - August 14, 2025Collaborated on responsive Angular-based claims interfaces focusing on cross-browser compatibility and dynamic user interaction forms. Developed backend Node.js microservices integrated with MongoDB for provider eligibility management supporting claims verification workflows. Improved data reliability through strict Mongoose schema validation and consistent error handling in Express.js routes. Enhanced test coverage using Jest and React Testing Library for stable deployments with component and API interaction testing. Assisted QA during Heroku staging deployments and configured GitLab CI for linting and automated testing to streamline early testing cycles.
MEAN Stack Developer at MassMutual, MA, USA
January 1, 2025 - PresentBuilt scalable Angular components using Reactive Forms and RxJS for investment planning modules. Developed Express.js APIs integrated with MongoDB and JWT-based authentication to improve security and reduce access errors. Migrated reporting modules from REST to GraphQL, improving query performance and reducing payload size by 40%. Automated CI/CD pipelines with GitHub Actions, PM2, and Vercel reducing build times and enabling version rollback and Slack alerting. Analyzed role-based permission systems for granular API access control, reducing support tickets. Integrated server-side logging and monitoring in Node.js services to enhance issue traceability. Participated in Agile sprints using JIRA and Confluence to deliver tested and deployed product features while coordinating with QA and design teams.
MEAN Stack Developer - Associate at State Street, India
July 1, 2023 - August 21, 2025Led development of reusable UI components with Angular Material and SCSS for internal dashboards, improving development efficiency. Engineered RESTful APIs with Node.js, MongoDB, and PostgreSQL for scalable financial workflows and audit trails. Integrated Passport.js and JWT for session security and access control across microservices. Authored and maintained Swagger and Postman API documentation to reduce frontend-backend integration delays and support QA testing. Designed GitLab CI workflows automating unit testing, linting, and deployment, ensuring consistent releases. Participated in Agile ceremonies and code reviews to align development with business needs across global teams.
Jr. MEAN Developer at Optum (UnitedHealth Group), India
December 31, 2020 - August 21, 2025Collaborated on Angular-based responsive claims interface focusing on cross-browser compatibility and dynamic user interactions. Developed backend Node.js microservices with MongoDB to manage provider eligibility and integrate claims verification workflows. Enhanced data reliability via strict Mongoose validation and error handling in Express.js routes. Increased test coverage using Jest and React Testing Library to ensure stable releases. Assisted QA teams during staging deployments on Heroku and configured GitLab CI for linting and test automation.
MEAN Stack Developer at MassMutual
January 1, 2025 - PresentBuilt and maintained scalable Angular (v12+) components, created Express.js APIs with MongoDB integration and JWT-based authentication, migrated reporting modules from REST to GraphQL to improve performance, automated CI/CD pipelines with GitHub Actions, PM2, and Vercel, analyzed role-based permission systems at API level, integrated server-side logging and monitoring, and contributed to Agile sprints using JIRA and Confluence.
MEAN Stack Developer - Associate at State Street
July 1, 2023 - September 16, 2025Led development of clean, reusable UI components with Angular Material and SCSS; engineered RESTful APIs with Node.js, MongoDB, and PostgreSQL; integrated Passport.js with JWT-based authentication; authored Swagger and Postman API documentation; designed GitLab CI workflows to automate unit testing, linting, and deployment; participated in Agile ceremonies and cross-team collaboration.
Jr. MEAN Developer at Optum (UnitedHealth Group)
December 1, 2020 - September 16, 2025Collaborated on a responsive Angular-based claims interface; authored backend Node.js microservices with MongoDB; improved data reliability with Mongoose validation and consistent error handling; increased test coverage with Jest and React Testing Library; assisted QA during staging deployments on Heroku and configured GitLab CI for code linting and test automation.
MEAN Stack Developer at MassMutual
January 1, 2025 - PresentBuilt and maintained scalable Angular (v12+) components, created Express.js APIs with MongoDB integration and JWT-based authentication, migrated reporting modules from REST to GraphQL to reduce payload size and improve query performance, automated CI/CD pipelines using GitHub Actions, PM2, and Vercel, implemented role-based permissions, integrated server-side logging, and collaborated in Agile sprints with Jira/Confluence to deliver production-ready features.
MEAN Stack Developer - Associate at State Street
July 1, 2023 - September 16, 2025Led development of clean, reusable UI components with Angular Material and SCSS; built RESTful APIs using Node.js with MongoDB and PostgreSQL; implemented Passport.js with JWT for authentication and auditing; authored Swagger and Postman API docs; designed GitLab CI workflows for unit testing and deployment to staging; participated in Agile ceremonies and cross-team collaboration.
Jr. MEAN Developer at Optum (UnitedHealth Group)
December 1, 2020 - September 16, 2025Collaborated on a responsive Angular-based claims interface; built backend Node.js microservices with MongoDB; improved data reliability with Mongoose validation and consistent error handling; increased test coverage with Jest and React Testing Library; supported staging deployments on Heroku and configured GitLab CI for code linting and test automation.
Full Stack Developer at MassMutual
January 1, 2025 - PresentDesigned and implemented full-stack financial applications using C# (ASP.NET MVC) and SQL Server, focusing on secure data access and performance optimization. Built and maintained RESTful APIs integrating internal services and third-party endpoints with JSON serialization for seamless data exchange. Developed dynamic, responsive UIs using JavaScript, jQuery, Bootstrap, and HTML5/CSS3, ensuring mobile-friendly layouts. Collaborated with QA, business, and UX teams to refine requirements and deliver enhancements that improved customer workflows by 25%. Refactored legacy modules to follow MVC design patterns, reducing code complexity and improving maintainability. Managed version control using Git, maintaining feature branches and enforcing code quality through pull requests and peer reviews.
Software Engineer at State Street
July 1, 2023 - October 10, 2025Developed enterprise-grade web systems using .NET Core, C#, and SQL Server, optimizing stored procedures and indexes for high-traffic workloads. Implemented REST APIs for data distribution; applied caching and pagination strategies to improve API performance by 40%. Modernized UI layers using Bootstrap, jQuery, and integrated charting libraries for interactive data visualization. Performed in-depth debugging and troubleshooting of production issues, achieving 99.9% uptime across releases. Collaborated in Agile SCRUM ceremonies, contributing to sprint planning, code reviews, and retrospectives.
Software Engineer at Optum (UnitedHealth Group)
December 1, 2020 - October 10, 2025Developed and maintained web components using ASP.NET MVC, C#, and Razor Views to support healthcare client portals. Created REST API integrations and implemented client-side interactivity using JavaScript, jQuery, and AJAX. Designed SQL queries, views, and stored procedures to manage user and transaction data efficiently. Improved UI responsiveness and accessibility through cross-browser testing and performance audits.
MEAN Stack Developer at MassMutual
January 1, 2025 - PresentBuilt and maintained scalable Angular components with Reactive Forms and RxJS; created Express.js APIs with MongoDB integration and JWT-based authentication; migrated reporting modules from REST to GraphQL, reducing payload size and improving query performance for high-traffic dashboards; automated CI/CD pipelines using GitHub Actions, PM2, and Vercel for production-ready builds with quick rollback and Slack alerts; analyzed role-based permission systems at API level for granular internal access control; integrated server-side logging and monitoring to improve issue traceability and reduce MTTR; participated in Agile sprints with QA and design.
MEAN Stack Developer - Associate at State Street
July 1, 2023 - October 13, 2025Led the development of clean, reusable UI components with Angular Material and SCSS to streamline internal dashboards for financial reporting and reconciliation tools; engineered RESTful APIs using Node.js with MongoDB and PostgreSQL for scalable data transactions and audit trails; integrated Passport.js with JWT-based authentication for secure sessions and detailed logging across microservices; authored Swagger and Postman API documentation to reduce frontend-backend integration delays; designed GitLab CI workflows to automate unit testing, linting, and deployment to staging; actively participated in Agile ceremonies across global teams.
Jr. MEAN Developer at Optum (UnitedHealth Group)
December 1, 2020 - October 13, 2025Collaborated on a responsive Angular-based claims interface with cross-browser compatibility and dynamic rendering; authored backend Node.js microservices with MongoDB to manage provider eligibility and integrate with claims verification workflows; improved data reliability through Mongoose validation and consistent error handling across Express.js routes; increased test coverage with Jest and React Testing Library; assisted QA during staging deployments on Heroku and configured GitLab CI for linting and test automation.
MEAN stack Developer at MassMutual
January 1, 2025 - PresentBuilt and maintained scalable Angular components using Reactive Forms and RxJS, improving code consistency and reducing duplicate logic across investment planning modules. Created Express.js APIs with MongoDB integration and JWT-based authentication, reducing access errors and strengthening security across customer-facing applications. Migrated reporting modules from REST to GraphQL, reducing payload size by 40% and improving query performance for high-traffic financial dashboards. Automated CI/CD pipelines using GitHub Actions, PM2, and Vercel, delivering production-ready builds in under 2 minutes with version rollback and Slack alerting. Analyzed role-based permission systems at the API level using middleware, enabling granular access control for internal users and reducing permission-related support tickets. Integrated server-side logging and monitoring into Node.js services, enhancing issue traceability and reducing mean time to resolution for API-related incidents. Participated in
MEAN Stack Developer - Associate at State Street
July 1, 2023 - October 13, 2025Led development of clean, reusable UI components with Angular Material and SCSS, helping streamline internal dashboards and boost development efficiency across financial reporting and reconciliation tools. Engineered RESTful APIs using Node.js with MongoDB and PostgreSQL, enabling scalable data transactions, enhanced audit trails, and efficient asset servicing operations for multi-party financial workflows. Integrated Passport.js with JWT-based authentication to secure user sessions, implement access control, and enable detailed logging for compliance-driven modules across microservices. Authored and maintained Swagger and Postman API documentation to reduce frontend-backend integration delays, support QA testing, and enable faster onboarding of new developers. Designed GitLab CI workflows to automate unit testing, code linting, and deployment to staging environments, ensuring consistent release pipelines and reduced manual effort. Participated in agile ceremonies like sprint planning,
Jr. MEAN Developer at Optum (UnitedHealth Group)
December 1, 2020 - October 13, 2025Collaborated on a responsive Angular-based claims interface for internal health insurance applications, focusing on cross-browser compatibility, form validation, and dynamic rendering based on user interactions. Authored backend Node.js microservices with MongoDB to manage provider eligibility, ensuring smooth integration with claims verification and prior-authorization workflows. Improved data reliability by implementing strict Mongoose validation, proper schema definitions, and consistent error handling across Express.js routes in claims adjudication modules. Increased test coverage using Jest and React Testing Library, focusing on component logic, edge cases, and API interaction points to ensure stable releases and regression protection. Assisted QA teams during staging deployments on Heroku and configured GitLab CI for code linting and test automation to streamline early testing cycles.
Java Full Stack Developer at MassMutual
January 1, 2025 - PresentDelivered Angular 15-based modules for finance dashboards, improving navigation efficiency by 32% and reducing UI-related support tickets. Engineered Spring Boot microservices with PostgreSQL integration, enabling real-time data syncing and reducing transaction latency by 28%. Implemented JWT authentication and secure session handling, increasing login stability by 40% and reducing unauthorized access in pre-production. Collaborated with cross-functional teams using GitHub and Figma to translate business needs into production-ready features, boosting deployment velocity by 25%. Conducted unit testing and API validation with Postman, and debugging with Chrome DevTools to lower production bug rate by 18% across major releases.
Java Full Stack Developer at State Street
July 1, 2023 - October 23, 2025Built modular ReactJS components with Sass and Bootstrap, decreasing frontend development time for enhancements by 22% and improving Lighthouse accessibility scores. Designed backend APIs using Spring Boot and Express.js, automating trade workflow logic and reducing manual interventions in reconciliation by 30%. Validated JSON-based endpoints with Postman and manual QA, reducing API-related incidents in production by 35%. Streamlined database procedures in PostgreSQL and MySQL to optimize query times and support batch processing with 99.9% uptime. Participated in Scrum rituals, improving delivery consistency and reducing sprint rollovers by 20%.
Java Developer at Optum (UnitedHealth Group)
December 1, 2020 - October 23, 2025Supported development of Spring Boot APIs and MySQL procedures to manage provider records, improving backend data processing speed by 27% during peak traffic. Enhanced AngularJS-based UI with CSS3 and HTML5, reducing layout bugs and boosting cross-device responsiveness by 34%. Implemented JWT authentication and session logic, lowering failed login attempts by 19% in QA cycles. Performed manual testing and browser compatibility checks using Chrome DevTools, increasing frontend consistency by 23% across browsers. Maintained Git workflows in VS Code, improving peer review time and reducing merge blockers by 17% over three release cycles.
Full stack Developer at MassMutual
January 1, 2025 - November 18, 2025Built and maintained scalable AngularJS components using Reactive Forms and RxJS; Architected modular Angular applications with feature-based folder structure, lazy loading, and route guards; Developed and enhanced RESTful APIs with Node.js/Express.js and MongoDB with JWT-based authentication; Migrated reporting modules from REST to GraphQL, reducing payload size and improving query performance for high-traffic financial dashboards; Collaborated with backend engineers on Java Spring Boot microservices for data orchestration; Implemented role-based permissions middleware; Documented APIs with Swagger and Postman; Participated in Agile sprints with JIRA and Confluence.
Full Stack Developer - Associate at State Street
July 1, 2023 - July 1, 2023Led development of reusable UI components with Angular Material and SCSS; Engineered RESTful APIs using Node.js with MongoDB and PostgreSQL; Integrated Passport.js with JWT-based authentication; Documented APIs with Swagger and Postman; Designed GitLab CI workflows for unit testing, linting, and deployment to staging environments.
Jr. MEAN Developer at Optum (UnitedHealth Group)
December 1, 2020 - December 1, 2020Contributed to a responsive Angular-based claims interface; Authored backend Node.js microservices with MongoDB; Improved data reliability with Mongoose validation and consistent error handling across Express.js routes; Increased test coverage with Jest and React Testing Library; Assisted QA during staging deployments on Heroku and configured GitLab CI for linting and test automation.
Education
Master of Science in Data Analytics at Clark University
August 1, 2023 - May 1, 2025Integrated M. Tech in Software Engineering at Vellore Institute of Technology (VIT)
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University, Worcester, Massachusetts, USA
August 1, 2023 - May 1, 2025Integrated M. Tech in Software Engineering at Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University
August 1, 2023 - May 1, 2025Integrated M. Tech in Software Engineering at Vellore Institute of Technology (VIT)
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University, Worcester, Massachusetts, USA
August 1, 2023 - May 1, 2025Integrated M. Tech in Software Engineering at Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University
August 1, 2023 - May 1, 2025Integrated M.Tech in Software Engineering at Vellore Institute of Technology
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University, Worcester, Massachusetts, USA
August 1, 2023 - May 1, 2025Integrated M. Tech in Software Engineering at Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University, Worcester, Massachusetts, USA
August 1, 2023 - May 1, 2025Integrated M. Tech in Software Engineering at Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University
August 1, 2023 - May 1, 2025Integrated M.Tech in Software Engineering at Vellore Institute of Technology (VIT)
July 1, 2018 - May 1, 2023Master of Science in Data Analytics at Clark University
August 1, 2023 - May 1, 2025Integrated M. Tech in Software Engineering at Vellore Institute of Technology (VIT)
July 1, 2018 - May 1, 2023Qualifications
AI Associate Certification - Salesforce
January 11, 2030 - August 14, 2025AngularJS Certification - Udemy
January 11, 2030 - August 14, 2025Advanced JavaScript Certification - Udemy
January 11, 2030 - August 14, 2025Node.js Certification - ShapeAI
January 11, 2030 - August 14, 2025Full Stack Web Development Certification - ShapeAI
January 11, 2030 - August 14, 2025AI Associate Certification - Salesforce
January 11, 2030 - August 21, 2025AngularJS Certification - Udemy
January 11, 2030 - August 21, 2025Advanced JavaScript Certification - Udemy
January 11, 2030 - August 21, 2025Node.js Certification - ShapeAI
January 11, 2030 - August 21, 2025Full Stack Web Development Certification - ShapeAI
January 11, 2030 - August 21, 2025AI Associate Certification - Salesforce
January 11, 2030 - September 16, 2025AngularJS Certification - Udemy
January 11, 2030 - September 16, 2025Advanced JavaScript Certification - Udemy
January 11, 2030 - September 16, 2025Node.js Certification - ShapeAI
January 11, 2030 - September 16, 2025Full Stack Web Development Certification - ShapeAI
January 11, 2030 - September 16, 2025AI Associate Certification - Salesforce
January 11, 2030 - September 16, 2025AngularJS Certification - Udemy
January 11, 2030 - September 16, 2025Advanced JavaScript Certification - Udemy
January 11, 2030 - September 16, 2025Node.js Certification - ShapeAI
January 11, 2030 - September 16, 2025Full Stack Web Development Certification - ShapeAI
January 11, 2030 - September 16, 2025Microsoft Certified: Azure Fundamentals (AZ-900)
January 11, 2030 - October 10, 2025C# Programming and .NET Development – Coursera
January 11, 2030 - October 10, 2025Advanced SQL and Database Optimization – Udemy
January 11, 2030 - October 10, 2025AI Associate Certification - Salesforce
January 11, 2030 - October 13, 2025AngularJS Certification - Udemy
January 11, 2030 - October 13, 2025Advanced JavaScript Certification - Udemy
January 11, 2030 - October 13, 2025Node.js Certification - ShapeAI
January 11, 2030 - October 13, 2025Full Stack Web Development Certification - ShapeAI
January 11, 2030 - October 13, 2025AI Associate Certification - Salesforce
January 11, 2030 - October 13, 2025AngularJS Certification - Udemy
January 11, 2030 - October 13, 2025Advanced JavaScript Certification - Udemy
January 11, 2030 - October 13, 2025Node.js Certification - ShapeAI
January 11, 2030 - October 13, 2025Full Stack Web Development Certification - ShapeAI
January 11, 2030 - October 13, 2025AI Associate Certification – Salesforce
January 11, 2030 - October 23, 2025AngularJS Certification – Udemy
January 11, 2030 - October 23, 2025Advanced JavaScript Certification – Udemy
January 11, 2030 - October 23, 2025Node.js Certification – ShapeAI
January 11, 2030 - October 23, 2025Full Stack Web Development Certification – ShapeAI
January 11, 2030 - October 23, 2025AI Associate Certification - Salesforce
January 11, 2030 - November 18, 2025AngularJS Certification - Udemy
January 11, 2030 - November 18, 2025Advanced JavaScript Certification - Udemy
January 11, 2030 - November 18, 2025Node.js Certification - ShapeAI
January 11, 2030 - November 18, 2025Full Stack Web Development Certification - ShapeAI
January 11, 2030 - November 18, 2025Industry Experience
Financial Services, Healthcare, Software & Internet, Professional Services, Media & Entertainment, Life Sciences, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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