m
mohsiinshah797

Mohsin S

@mohsiinshah797

Vetted Pro

5,0(56)

Mobile App Developer

Pakistan
Inglese
Alcune informazioni sono riportate in lingua inglese.
Selezionato da Fiverr Pro

Mohsin S selezionato dal team Fiverr Pro per la sua esperienza.

Selezionato per

  • Sviluppo di app per dispositivi mobili

Chi sono
Results-driven Senior Android Developer with over 8 years of experience delivering high-performance mobile applications for millions of active users. Specialized in native Android development with extensive expertise in Kotlin and Jetpack Compose, currently expanding into cross-platform development through Kotlin Multiplatform Mobile (KMM)... Continua a leggere

Competenze

m
mohsiinshah797
Mohsin S
60 USD/ora
offline • 
Tempo di risposta medio: 7 ore

Consulta i miei servizi

Sviluppo di app Android
I will develop custom android and ios mobile apps
5,0(53)
Da sito web ad app
I will convert your website into android app

Vuoi lavorare su base oraria?

Spiega a Mohsin S cosa ti serve.

60 USD

/

ora

Portfolio

Esperienza lavorativa

Android Team Lead

AmexHub • Full time

Jul 2024 - Present1 yr 10 mos

‣ Revamped the entire UI and architecture of the Novus Smart Switch application, leading to a 30% increase in user engagement time and a 95% reduction in crash and ANR rates. The app serves an active user base of over 2 million. ‣ Implemented a screen-sharing feature in the ShareGo application using Jetpack Compose and WebRTC. Currently responsible for ongoing maintenance and optimizations. ‣ Redesigned core features of a cloud storage application from scratch, revamped the UI, and reduced technical debt, resulting in an 80% increase in in-app purchases. ‣ Implemented A/B testing in top-performing applications, leading to a 30-40% average increase in revenue and in-app purchases. ‣ Managed and collaborated on a VPN application utilizing the WireGuard protocol, successfully leading it into production. ‣ Implemented effective ad and monetization strategies, boosting ad show rates by 20-25%, resulting in a significant revenue increase.

Senior Android Developer

SOFIT • Full time

Dec 2022 - Jul 20241 yr 7 mos

‣ Developed the MVP of an in-house alternative to Microsoft Teams from scratch. Collaborated closely with the backend team, leading to optimizations that reduced overall costs by 70%. ‣ Developed a True Caller ID application from scratch using the latest Android technologies, following the MVVM architecture pattern alongside essential Jetpack libraries. Leveraged tools like Room, Navigation Components, and ViewModels to build and successfully launch the product into production. ‣ Refactored existing Java products to Kotlin, enhancing the codebase with Clean Architecture principles. Implemented new features and optimizations, leading to a 60% increase in user engagement. Focused on stability and performance, achieving a 99.9% crash-free rate across a user base of millions. ‣ Led many capacity building sessions for the android team to facilitate learning of best coding techniques.

Android Developer

Pacsquare Technologies • Full time

Mar 2021 - Dec 20221 yr 9 mos

‣ Developed and launched the AGTCrypto platform for Android from scratch within a record time of one month. Utilized Kotlin, RxJava, Retrofit, and sockets to build complex core features, while implementing RSA encryption at the network layer to ensure data security and integrity. ‣ Designed and developed the PacEquity stock broker application for Android from scratch, guiding it through the entire software development lifecycle to production. Utilized MVVM, RxKotlin, and HILT while implementing complex mathematical calculations and optimizing performance with Kotlin Coroutines. ‣ Developed an Android application for clinicians to diagnose depression, anxiety, and substance abuse. Implemented real-time user tracking with background/foreground services, Firebase Realtime Database, offline storage with Room, and secure network-layer authentication. ‣ Revamped the UI of the MindHelp application and implemented critical fixes in the video and audio chat module using Twilio SDK. These improvements led to a 40% increase in user retention and a 90% reduction in crash rate. ‣ Developed a CMS for an American construction company to digitize operations, enabling efficient project management and tracking.

56 Recensioni
5,0

(55)
(1)
(0)
(0)
(0)
Valutazione dettagliata
  • Livello di comunicazione del venditore
    5
  • Qualità della consegna
    5
  • Valore della consegna
    5
1-5 di 56 recensioni
Ordina per
Più rilevante
    S

    stuartspice

    Cliente abituale

    GB

    Regno Unito

    5

    Superb as always, prompt and knowledgable!

    Fino a 50 USD

    $

    4 giorni

    Tempo

    gig

    Sviluppo di app Android

    Utile?
    No
    I
    image-docs

    igtcoder

    Cliente abituale

    RS

    Serbia

    5

    Amazing guy, knows his work. tends to find solutions, never give up on me when it was complex or impossible, he worked all day long to make it possible. very thankful!

    200 USD-400 USD

    $

    1 giorno

    Tempo

    gig

    Sviluppo di app Android

    Utile?
    No
    I
    image-docs

    igtcoder

    Cliente abituale

    RS

    Serbia

    5

    Most amazing service I encountered in many years!

    200 USD-400 USD

    $

    2 giorni

    Tempo

    gig

    Sviluppo di app Android

    Utile?
    No
    S

    stuartspice

    Cliente abituale

    GB

    Regno Unito

    5

    Excellent work as always, super knowledgable and delivered rapidly. A+++++

    200 USD-400 USD

    $

    4 giorni

    Tempo

    gig

    Sviluppo di app Android

    Utile?
    No
    M

    morgannewburry

    Cliente abituale

    NZ

    Nuova Zelanda

    5

    Working with Mohsin has been an absolute pleasure. His speed of delivery is exceptional—every time I provided feedback or reported a bug, he was quick to respond and quick to implement the changes. He’s polite, courteous, and goes above and beyond to make sure I was completely satisfied with the work....

    3.000 USD-4.000 USD

    $

    6 settimane

    Tempo

    gig

    Sviluppo di app Android

    Utile?
    No