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Devanshu Gupta

@devanshugupta

Backend & Mobile Engineer specialising in scalable micro-services, cross-platform apps, and real-time medical device integrations.

India

Message

What I'm looking for

I'm looking to build reliable, scalable products where I can work across backend systems, mobile applications and product-focused engineering.

I am a Software Engineer with 4+ years of expertise building production-grade backend systems and cross-platform applications, with a deep focus on the digital health space.

My experience spans modernising Go-based micro-services and Backend-for-Frontend (BFF) layers at PB Health to scaling mobile architecture and shipping Flutter apps with over 100K installs at Fitterfly. I have a proven track record of engineering native Android/iOS SDKs for real-time medical hardware (Libre 1/2, Bluetooth monitors), cutting API response times by 30%, and championing clean, maintainable architecture.

Experience

Work history, roles, and key accomplishments

Current

Software Development Engineer 1

Current

PB Health

Oct 2025 - Present (1 year)

Contributed to a large-scale Go-based microservices architecture, built a React Native healthcare app, and developed native SDKs for glucose monitoring. Led a PWA integration with Samsung Health and refactored legacy Ruby on Rails modules.

Go Microservices BFF Architecture React Native Android SDK IOS SDK NFC PWA Ruby on Rails

Software Engineer

Fitterfly Health Tech Pvt Ltd

Jun 2022 - Sep 2025 (3 years 3 months)

Developed and maintained scalable Ruby on Rails APIs, reducing production errors by 23%. Built a Flutter mobile app with 100K+ installs, integrated Bluetooth medical devices, and led PWA migration reducing development effort by 70%.