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Zeshan Sahi

@binarysolution1
5.0(5)

Building High Performance Apps That Help Businesses Lead Their Industry

Pakistan
English, Urdu, Punjabi
About me
Senior Android & Flutter Developer with 8+ years of experience. I build scalable cross-platform mobile apps, Android & iOS Apps, Android TV apps, healthcare apps, IoT, education apps, and real-time applications. My work includes: • Social apps with 1M+ downloads 4.8★rating. • Healthcare platforms supporting $300M+ organizations • Education apps used by 10K+ learners I specialize in Kotlin, Java, Dart, BLE devices, Android TV, Fire TV, Firebase, APIs, video streaming, video calling, and clean architecture. My goal is to deliver reliable, high-performance products built for long-term growth.... Read more

Skills

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binarysolution1
Zeshan Sahi
Offline • 

See my services

TV App Development
I will develop android TV and google TV streaming app
From$260 / projectMore details
Cross-Platform Development
I will develop a ble healthcare mobile app using flutter
From$100 / projectMore details

Portfolio

Work experience

Upwork

Senior Android & iOS developer

Upwork • Full-time

Apr 2023 - Present • 3 yrs 4 mos

Senior Cross-Platform Android and Flutter Developer with extensive experience delivering scalable native and cross-platform mobile applications for startups, businesses, and production platforms through Upwork and direct clients. I have worked on: • Native Android and cross-platform Flutter applications • Android TV, Google TV, and Fire TV apps • OTT and video-streaming platforms • BLE and HealthTech device integrations • Real-time video-calling systems • Firebase and backend integrations • Performance optimization and app stability improvements I build production-ready native and cross-platform applications using Kotlin, Java, Dart, Flutter, MVVM, Clean Architecture, Coroutines, Firebase, WebSockets, and REST APIs. My focus is on scalable architecture, clean code, smooth cross-platform performance, application stability, and long-term maintainability. Achievements • Top Rated Plus freelancer on Upwork • 100% Job Success Score • Successfully delivered multiple Android and cross-platform Flutter projects • Experience with Android TV, Google TV, Fire TV, BLE, and streaming systems • Built scalable real-time and HealthTech applications • Strong expertise in native Android and cross-platform Flutter development • Long-term client collaboration and production support experience

5 Reviews
5.0

(5)
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(0)
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(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
1-5 out of 5 Reviews
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Most relevant
    I

    irismcdonald22

    HK

    Hong Kong

    Ongoing collaboration
    5

    very fast recommend

    $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
    I

    irismcdonald22

    HK

    Hong Kong

    Ongoing collaboration
    5

    very nice seller

    $50

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
    H
    image-docs

    haseeb_fayyaz

    PK

    Pakistan

    5

    Next Step forward to our App and I am super happy with the great service and effort! Thank you so much! Highly recommended!

    $50

    Price

    Helpful?
    Yes
    No
    A
    image-docs

    amanullah_7

    PK

    Pakistan

    Ongoing collaboration
    5

    its great experience working with you again. Keep up the good work Highly Recommended.

    $50

    Price

    Helpful?
    Yes
    No
    A
    image-docs

    amanullah_7

    PK

    Pakistan

    Ongoing collaboration
    5

    Intelligent Seller with brilliant communication skills! I would love to work with him again.

    $50

    Price

    Helpful?
    Yes
    No