Debasish Mandal

Backend Engineer with 10+ years of experience including 5 years in Golang development. Experienced in designing scalable microservices, distributed systems, REST/gRPC APIs, Kafka-based event-driven systems, PostgreSQL, MongoDB, Docker, Kubernetes, AWS, CI/CD, monitoring, and production support.

Backend Engineer at NZMINDS (2024-08 – 2026-05)

• Developed scalable Golang microservices and REST/gRPC APIs for healthcare platforms.
• Implemented Kafka consumers, retry/DLQ handling, and event-driven workflows.
• Optimized PostgreSQL performance, CI/CD pipelines, monitoring, and backend reliability.

Software Developer at CBNITS (2022-07 – 2024-08)

• Built distributed Golang backend services and Kafka processing systems.
• Developed REST/gRPC APIs with consumer groups, retry, and DLQ handling.
• Integrated AWS Cognito and optimized MongoDB performance.

Software Developer at IEEM (2021-04 – 2022-06)

• Developed backend services and GraphQL APIs using Golang.
• Optimized PostgreSQL queries and integrated REST APIs.

Software Developer at MIND STEAK (2018-01 – 2021-03)

• Developed ERP backend modules, APIs, and business workflows.
• Worked on query optimization, concurrent user handling, and backend reliability.

Software Developer at National Informatic Center (2017-06 – 2017-11)

• Developed backend modules and workflow automation for government portals.
• Supported secure and scalable public-facing applications.

Software Developer at Wizcom Systems (2016-03 – 2017-05)

• Developed booking workflows and integrated third-party APIs.
• Improved backend performance and scalable web application features.

Software Developer at Softech ERP Solutions Pvt. Ltd. (2015-06 – 2016-03)

• Developed admission and examination management modules.
• Worked on reporting systems, query optimization, and maintenance.

Master of Computer Applications in Computer Applications – Haldia Institute of Technology