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Tamilselvan KalimuthuTK

Tamilselvan Kalimuthu

Mobile Application Developer

€500/day
Hamburg, DE
8-15 years
Android
React Native
Flutter
MEAN
MERN

Average response time: 1 hour

About Tamilselvan

I am a Senior Mobile & Full-Stack Engineer with 10+ years of experience building scalable, user-friendly applications across Android (Java, Kotlin), Flutter, and React Native, as well as modern web platforms using MEAN and MERN stacks. My work spans multiple domains including Automotive, On-Demand Services, Banking, and E-Commerce, delivering high-quality solutions for startups and enterprise clients.

I specialize in Android Jetpack, MVVM, Dependency Injection (Dagger/Hilt), Kotlin Coroutines, RxJava, Retrofit, and Room, while also leveraging Flutter and React Native for cross-platform mobile apps. On the web side, I design and develop applications with MongoDB, Express.js, Angular/React, and Node.js, ensuring clean architecture, performance, and scalability.

With international experience in Germany and India, I have successfully contributed to projects for Check24, Bosch SoftTec, CitiBank Singapore, and more. I am skilled at taking full ownership of end-to-end development—from requirement gathering to deployment—while maintaining strong collaboration with stakeholders.

  • 10+ years of software development experience
  • Expertise in Android (Java/Kotlin), Flutter, React Native
  • Full stack development using MEAN & MERN
  • Strong focus on modular architecture, code quality, and UX
  • Delivered apps for leading enterprises and startups

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Check24 Vergleichsportal Fashion Gmbh,
    Senior software engineer
    May 2021 - November 2021 (6 months)
    Düsseldorf, Germany
    • Involved in the android module development of the Fashion module in Check24 Application.
    • Tech stack used: Kotlin, Data binding, Android Jetpack, MVVM, Dagger.
    Android React Native Kotlin MEAN Java
  • KPIT - Bosch Softtec Gmbh,
    Senior software engineer
    November 2019 - April 2021 (1 year and 5 months)
    Hildesheim, Germany
    • Involved in the android module development for charging solution and a tablet application for the SDK use cases.
    • Responsible for implementing the UI and functional specific module and application development.
    • Tech stack used: Kotlin, Android Jetpack, MVVM, Dagger.
    Kotlin Android Java Flutter MEAN
  • Tata consultancy Services,
    Senior software engineer
    March 2018 - August 2019 (1 year and 5 months)
    Chennai, India
    • Involved in the development of Citi Bank Mobile Application Payment Module
    • Responsible for creating reusable components to utilise in other modules, Code Review and Code Integration is one of the role I involved during the application development
    • Tech-stack used: Java, Kotlin, MVVM, Dagger, RxJava2, Retrofit, Room
    Kotlin Java Android Flutter
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Education

  • Bachelor of Technology
    Anna University
    2012
    Bachelor of Technology

Skill set

Backend Service Development
Mobile App Deployment
Kotlin
Java

Categories