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I’m a Flutter Engineer with 5+ years of experience building scalable, high-performance apps for iOS, Android and Desktop. I turn complex business requirements into smooth, user-friendly, and reliable applications. What I do best: • Cross-platform Flutter development – modular, maintainable, and performant apps • Real-time features & API integration – chat, video calls, bookings, and live updates • Performance optimization & CI/CD – faster load times, fewer crashes, and streamlined deployments • Team leadership & mentoring – guiding juniors, setting coding standards, and driving agile projects • Problem-solving & innovation – turning bold ideas into apps users love…I’m a Flutter Engineer with 5+ years of experience building scalable, high-performance apps for iOS, Android and Desktop. I turn complex business requirements into smooth, user-friendly, and reliable applications. What I do best: • Cross-platform Flutter development – modular, maintainable, and performant apps • Real-time features & API integration – chat, video calls, bookings, and live updates • Performance optimization & CI/CD – faster load times, fewer crashes, and streamlined deployments • Team leadership & mentoring – guiding juniors, setting coding standards, and driving agile projects • Problem-solving & innovation – turning bold ideas into apps users love

Md Sohail Mahmud

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I’m a Flutter Engineer with 5+ years of experience building scalable, high-performance apps for iOS, Android and Desktop. I turn complex business requirements into smooth, user-friendly, and reliable applications. What I do best: • Cross-platform Flutter development – modular, maintainable, and performant apps • Real-time features & API integration – chat, video calls, bookings, and live updates • Performance optimization & CI/CD – faster load times, fewer crashes, and streamlined deployments • Team leadership & mentoring – guiding juniors, setting coding standards, and driving agile projects • Problem-solving & innovation – turning bold ideas into apps users love…I’m a Flutter Engineer with 5+ years of experience building scalable, high-performance apps for iOS, Android and Desktop. I turn complex business requirements into smooth, user-friendly, and reliable applications. What I do best: • Cross-platform Flutter development – modular, maintainable, and performant apps • Real-time features & API integration – chat, video calls, bookings, and live updates • Performance optimization & CI/CD – faster load times, fewer crashes, and streamlined deployments • Team leadership & mentoring – guiding juniors, setting coding standards, and driving agile projects • Problem-solving & innovation – turning bold ideas into apps users love

Available to hire

I’m a Flutter Engineer with 5+ years of experience building scalable, high-performance apps for iOS, Android and Desktop. I turn complex business requirements into smooth, user-friendly, and reliable applications.

What I do best:

• Cross-platform Flutter development – modular, maintainable, and performant apps

• Real-time features & API integration – chat, video calls, bookings, and live updates

• Performance optimization & CI/CD – faster load times, fewer crashes, and streamlined deployments

• Team leadership & mentoring – guiding juniors, setting coding standards, and driving agile projects

• Problem-solving & innovation – turning bold ideas into apps users love

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Bengali

Fluent

English

Advanced

Work Experience

Sr. Software Engineer (Flutter) at Hurraayy Limited

January 1, 2024 - Present

Led development of Hurraayy, a cross-platform home-sharing marketplace app (similar to Airbnb), built for iOS and Android. Designed modular, testable UI components, reducing build time by 25% and improving scalability for new features. Integrated REST APIs for listings, booking, messaging, payments and maps with Hive caching, reducing API calls by 30% and improving response speed. Implemented WebSockets for real-time pricing and availability updates, reducing API polling by 40% and boosting booking accuracy and engagement.

Sr. Software Engineer at ProHealth Limited

December 1, 2023 - September 19, 2025

Built and optimized cross-platform Flutter apps (iOS, Android, Desktop), scaling to 10,000+ users, improving performance and reducing crashes by 30%. Led CI/CD pipelines, mentored 4 junior developers, and established coding standards to accelerate delivery and boost engagement. Integrated WebSocket connections for real-time doctor-patient chat and video calls, cutting message latency to <200ms for seamless consultations. Developed secure API endpoints for appointment scheduling and prescription management, ensuring reliable and safe data handling.

Software Engineer at Extreme Solutions

February 1, 2022 - September 19, 2025

Designed and deployed cross-platform Flutter apps (iOS, Android), delivering seamless experiences to 50,000+ users. Improved code quality and scalability using design patterns, cutting feature delivery time by 25% and reducing production bugs by 30%. Containerized apps with Docker, streamlining deployments and boosting production reliability with 40% fewer deployment issues.

Software Engineer at Cynergy Solutions, LLC

October 1, 2020 - September 19, 2025

Developed .NET Core business apps with predictive time series analysis, driving actionable insights for end users. Migrated data to interactive dashboards, doubling response speed and reducing server load by 5×. Automated CI/CD and data workflows with Docker and Unix scripts, streamlining deployments and boosting reliability.

Application Developer at Automate Info sys

July 1, 2018 - September 19, 2025

Designed and developed greenfield and brownfield web applications, delivering seamless and reliable user experiences across platforms. Ensured high-quality, standards-compliant code through testing, validation, and cross-browser/device compatibility, reducing defects by 30%. Collaborated in agile teams, leveraging user and peer feedback to enhance features and improve application performance by 10%.

Sr. Software Engineer (Flutter) at Hurraayy Limited

January 1, 2024 - Present

Led development of Hurraayy, a cross-platform home-sharing marketplace app for iOS and Android; designed modular, testable UI components; integrated REST APIs for listings, booking, messaging, payments and maps with Hive caching; implemented WebSockets for real-time pricing and availability updates, reducing API polling and boosting booking accuracy and engagement.

Sr. Software Engineer at ProHealth Limited

December 1, 2023 - September 19, 2025

Built and optimized cross-platform Flutter apps (iOS, Android, Desktop) for 10,000+ users; led CI/CD pipelines, mentored 4 junior developers, and established coding standards; integrated WebSocket for real-time doctor–patient chat and video calls; developed secure API endpoints for appointments and prescriptions.

Software Engineer at Extreme Solutions

February 1, 2022 - September 19, 2025

Designed and deployed cross-platform Flutter apps (iOS, Android), delivering experiences to 50,000+ users; improved code quality and scalability using design patterns; containerized apps with Docker to streamline deployments and boost reliability.

Software Engineer at Cynergy Solutions, LLC

October 1, 2020 - September 19, 2025

Developed .NET Core business apps with predictive time series analysis; migrated data to interactive dashboards; automated CI/CD and data workflows with Docker and Unix scripts.

Application Developer at Automate Info sys

July 1, 2018 - September 19, 2025

Designed and developed greenfield and brownfield web applications; ensured high-quality, standards-compliant code through testing and validation; collaborated in Agile teams to enhance features and improve performance.