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Koustav Mondal

@koustavmondal

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I am a Go and Flutter developer focused on scalable systems.

India

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What I'm looking for

I seek backend or mobile roles using Go and Flutter where I can improve system reliability, implement clean architecture, mentor peers, and accelerate delivery in a collaborative, growth-focused engineering team.

I am a computer science student and software engineer who builds reliable backend systems and cross-platform mobile apps using Go and Flutter. I focus on clean architecture, pragmatic testing and measurable performance improvements.

As an SDE intern I built REST APIs in Go using Gin, PostgreSQL and Redis, refactored codebases with DDD principles, and explored concurrency patterns to maintain low latency. As a Flutter developer I partnered with the CTO to implement clean architecture, reduced development time by 30%, cut codebase size by 29%, and raised unit test coverage from 52% to 87%.

I contribute open-source projects like a self-hosted file sharing system and a Go config library, and I thrive in roles where I can improve reliability, developer velocity, and cross-team collaboration.

Experience

Work history, roles, and key accomplishments

SDE Intern

Snipe

Oct 2024 - Apr 2025 (6 months)

Developed REST APIs in Go (Gin) with PostgreSQL and Redis for a learning management system, refactored the codebase into a DDD architecture to improve readability and maintainability, and explored concurrency strategies to maintain low latency.

Go Gin PostgreSQL Redis REST APIs Domain Driven Design Concurrency Performance Optimization