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Sujay Biswas

@sujaybiswas

I build reliable Flutter healthcare applications with real-time device integration, faster data pipelines, and production-ready user experiences.

India

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What I'm looking for

I'm looking to build reliable mobile or full-stack products, especially healthcare and real-time device applications, where I can own features end to end and improve performance, stability, and user experience.

At Marbles Health, I build cross-platform EEG and tDCS therapy features that improve real-time device communication and reduce session-related errors. I delivered Unity cognitive therapy game integration supporting 1,400+ patients across 75+ clinics and 1,200+ clinical sessions.

I architected a Flutter isolates and async-streams pipeline that reduced EEG uploads from 90 seconds to under 15 seconds. I also integrated BLE and MQTT synchronization between patient and doctor applications, while improving session recovery, firmware upgrades, device guidance, and doctor-dashboard workflows.

Previously, I built HIPAA-compliant mobile applications at Applite Solutions and developed web and mobile healthcare features for Cliniceo at IE Softek. I work across Flutter, Angular, Node.js, real-time systems, CI/CD, and AI-assisted development to ship maintainable products faster.

Experience

Work history, roles, and key accomplishments

Software Engineer, AI-Enhanced Development

Marbles Health

May 2024 - Mar 2026 (1 year 10 months)

Designed and implemented resilient session flow architecture, reducing crashes by 35% and ensuring reliable handling of complex multi-session and edge-case scenarios. Delivered cross-platform EEG and tDCS therapy features, reducing session-related errors by 30% and improving real-time device communication stability.