Bachelor of Commerce - BCom

• Gained comprehensive training in software development utilizing cutting edge technologies, including Node.js,Express.js, React.js and MongoDB.
• Developed expertise in crafting MongoDB queries, executing CRUD operations, utilizing the MongoDB
aggregation pipeline, and leveraging Mongoose for enhanced data modeling and interaction.
• Contributed actively as a collaborative team member, engaging in the successful execution of industry-
relevant projects in a dynamic and cooperative environment.

Back End Developer

• Mitigated EC2 production outage under 50K+ concurrent requests; migrated to a microservices architecture on AWS Lambda and API Gateway; validated resiliency via k6 load testing at — achieved 99.9% up-time and reduced cloud costs by∼60%.

• Built a scalable QR-based tracking system across 10+ distributed nodes using an event-driven architecture with async workers and an SQS-backed alerting pipeline; cut manual errors by∼80% and recovered∼2 hrs/day in operational efficiency.

• Transitioned legacy OTP authentication to Microsoft OAuth 2.0, enforcing MFA and JWT-based session management; eliminated in-house credential infrastructure entirely.

• Resolved a database bottleneck (∼30s query latency, millions of rows) using table partitioning, composite indexing, and a Redis caching layer with a cache-aside pattern; improved API response time by 93%, from 30s to 2s.

• Improved Core Web Vitals for low-bandwidth clients by refactoring React components, adding server-side caching, and offload

Software Developer

Roles and Responsibilities:
• Built full-stack apps with REST APIs and third-party integrations.
• Developed and deployed backend with AWS Lambda & API Gateway.
• Secured APIs using JWT, Passport.js, and role-based access.
• Enhanced app security with IAM, Security Groups, and encryption.
• Followed SDLC best practices from planning to deployment.

Associate Software Developer

Building simple products from everyday frustrations and sharing the journey along the way.

Know about Bidyut Kundu's work experience, education, bootcamps, certifications, and much more. Bidyut Kundu