Mohit Kumar

Software Engineer

Mohit is a software engineer who writes about Go in production, including multi-tenant authorization with Permify and secure error handling for B2B SaaS APIs.

Blogs published by Mohit Kumar.

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Implementing secure error handling in Go for B2B SaaS applications

Mohit Kumar

Software Engineer

A centralized error handling library helped our team improve user experience and strengthen security in Go-based microservices by replacing leaky, inconsistent error messages with structured, user-friendly responses.

June 18, 2025 | 5 min read

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Building multi-tenant authorization system for B2B SaaS in Go using Permify

Mohit Kumar

Software Engineer

Build a robust, scalable, and configurable multi-tenant authorization system for your B2B SaaS using Go and Permify, based on Google’s Zanzibar. Learn about its architecture, schema design, and implementation details to enhance security and access control.

April 22, 2024 | 6 min read

Talks by Mohit Kumar.

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Mohit Kumar - Billion Rows Walk Into a Go Bar

Mohit Kumar

Software Engineer

From minutes to seconds: how to tackle the 1 Billion Row Challenge in Go using pprof, mechanical sympathy, and memory allocation optimizations.

December 1, 2024 | 24 MIN

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Generics in Go A language design perspective

Mohit Kumar

Software Engineer

How One2N built a real-world Go pipeline to stream gigabytes of data from MongoDB to PostgreSQL, using Go's concurrency features at scale.

April 1, 2024 | 29 MIN

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