Varun Jammigumpala
Full Stack Web App Developer | MERN Stack | Building Scalable Web Apps | Youtuber with 330K+ YouTube Subscribers
- Role
- Full Stack Developer at BMO
- Location
- Pittsburgh, PA, US
- LinkedIn followers
- 500 followers
About Varun Jammigumpala
Senior DevOps / Site Reliability Engineer (SRE) with 10+ years of experience designing…
Experience
Full Stack Developer
Jan 2024 — Present · Chicago, IL, US
Crafted responsive banking interfaces using React.js, Angular, and TypeScript, ensuring a seamless user experience across multiple platforms and devices.Managed state using Redux Toolkit and Context API to support complex, real-time financial data flows within customer dashboards.Architected maintainable microservices with Node.js and Express.js, adhering to MVC patterns for clean, scalable codebases.Administered PostgreSQL databases, implementing advanced indexing and query optimization for high-speed, secure transaction processing.Developed and documented secure RESTful APIs and implemented basic GraphQL integrations for flexible data retrieval and interoperability.Enforced enterprise-grade security protocols, including OAuth 2.0, JWT, RBAC, and HTTPS, maintaining compliance with financial industry regulations.Automated continuous integration and deployment pipelines with Docker, GitHub Actions, and Vercel to deliver frequent and dependable software releases.Led the integration of AWS services (EC2, S3) for scalable cloud storage and robust infrastructure management.Employed Jest and Selenium for unit, integration, and regression testing, resulting in a 40% increase in codebase stability and production reliability.Utilized Jira and Confluence to coordinate agile sprint planning, foster cross-departmental collaboration, and keep technical documentation current.Enhanced application performance by implementing lazy loading, code splitting, and memoization for faster load times and efficient resource use.Configured centralized monitoring and logging with Winston and Sentry, ensuring rapid debugging and improved error tracking across distributed banking services.
Education
University of South Dakota
Master's degree
2022 — 2023
Presidency University Bangalore
Bachelor of Technology - BTech
2017 — 2021
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