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I am a Senior Flutter Developer with over 4 years of experience building scalable, high-performance cross-platform mobile applications. I specialize in Flutter/Dart, WebRTC, Firebase, and AI-powered integrations such as OpenAI and Gemini, and I have delivered 10+ production apps with a combined reach of over 500,000 users. I have led the end-to-end development and deployment of complex applications featuring real-time audio/video communication, live streaming, and intelligent chat systems. My work has improved app performance significantly, reducing load times by up to 20% while supporting thousands of concurrent users.…I am a Senior Flutter Developer with over 4 years of experience building scalable, high-performance cross-platform mobile applications. I specialize in Flutter/Dart, WebRTC, Firebase, and AI-powered integrations such as OpenAI and Gemini, and I have delivered 10+ production apps with a combined reach of over 500,000 users. I have led the end-to-end development and deployment of complex applications featuring real-time audio/video communication, live streaming, and intelligent chat systems. My work has improved app performance significantly, reducing load times by up to 20% while supporting thousands of concurrent users.

Harsimran Singh

PRO

App Developer, Web Developer, Full Stack Developer, +2

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I am a Senior Flutter Developer with over 4 years of experience building scalable, high-performance cross-platform mobile applications. I specialize in Flutter/Dart, WebRTC, Firebase, and AI-powered integrations such as OpenAI and Gemini, and I have delivered 10+ production apps with a combined reach of over 500,000 users. I have led the end-to-end development and deployment of complex applications featuring real-time audio/video communication, live streaming, and intelligent chat systems. My work has improved app performance significantly, reducing load times by up to 20% while supporting thousands of concurrent users.…I am a Senior Flutter Developer with over 4 years of experience building scalable, high-performance cross-platform mobile applications. I specialize in Flutter/Dart, WebRTC, Firebase, and AI-powered integrations such as OpenAI and Gemini, and I have delivered 10+ production apps with a combined reach of over 500,000 users. I have led the end-to-end development and deployment of complex applications featuring real-time audio/video communication, live streaming, and intelligent chat systems. My work has improved app performance significantly, reducing load times by up to 20% while supporting thousands of concurrent users.

Available to hire

Barnala, India

I am a Senior Flutter Developer with over 4 years of experience building scalable, high-performance cross-platform mobile applications. I specialize in Flutter/Dart, WebRTC, Firebase, and AI-powered integrations such as OpenAI and Gemini, and I have delivered 10+ production apps with a combined reach of over 500,000 users.

I have led the end-to-end development and deployment of complex applications featuring real-time audio/video communication, live streaming, and intelligent chat systems. My work has improved app performance significantly, reducing load times by up to 20% while supporting thousands of concurrent users.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Flutter Developer at Harav Technologies

August 1, 2023 - July 1, 2024

Senior Flutter Developer with 4+ years building scalable cross-platform mobile apps and developer tools. Proficient in Flutter and Dart, WebRTC, Firebase, and OpenAI/Gemini integrations. Delivered 10+ production apps with 500k+ downloads; reduced load times by up to 20%. Led end-to-end UI/UX improvements and contributed to platform modernization across multiple projects.

Technical Staff at Bugsmirror Research Private Limited

August 1, 2022 - July 1, 2023

Contributed to 6+ web and mobile projects across React, Angular, and Flutter. Conducted Android security R&D (static analysis and vulnerability discovery), logged 12 high/medium findings, and collaborated with 3 engineering teams to remediate 100% of critical issues within 30 days.

Software Engineer at Bugsmirror Research Private Limited

July 1, 2022 - August 1, 2022

Developed 10+ Flutter packages for internal reuse, improving development speed and consistency across apps. Implemented gRPC and ProtoBuf clients across 5 projects; built a real-time chat app with video/voice via Flutter WebRTC and gRPC, achieving sub-200ms message latency and supporting 500+ concurrent sessions.