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syffer

Senior Cross-Platform Mobile Developer (iOS & Android)

syffer
Portugal · Full-time · Mid-Senior
Syffer is an all-inclusive consulting company focused on talent, tech and innovation. We exist to elevate companies and humans all around the world, making change, from the inside to the outside.

We believe that technology + human kindness positively impacts every community around the world. Our approach is simple, we see a world without borders, and believe in equal opportunities. We are guided by our core principles of spreading positivity, good energy and promote equality and care for others.

Our hiring process is unique! People are selected by their value, education, talent and personality. We dont present ethnicity, religion, national origin, age, gender, sexual orientation or identity.

Its time to burst the bubble, and we will do it together!

What You'll do:

  • Develop and maintain mobile apps for iOS and Android using Swift and Kotlin.
  • Implement MVVM, MVI, and Clean Architecture patterns.
  • Integrate REST APIs and manage data persistence using Room, DataStore, and SharedPreferences;
  • Ensure app security and performance optimization;
  • Write unit tests and maintain code quality;
  • Collaborate with cross-functional teams for UI/UX consistency.
  • Hybrid work model;


What You Are:

  • Swift, Kotlin, basic Java;
  • Xcode, Android Studio, Git, Gradle;
  • UIKit, Jetpack Compose, XML, Material Design;
  • MVVM, MVVM-C, MVI, Clean Architecture;
  • RxSwift, Combine, Coroutines/Flow, RxJava/Kotlin;
  • REST APIs (Retrofit, OkHttp);
  • Dagger / Hilt;
  • Room, DataStore, SharedPreferences / Encrypted;
  • Unit testing (XCTest);
  • Firebase Analytics, Crashlytics, App Distribution;
  • Fluent in Portuguese and English


What youll get:

  • Wage according to candidate's professional experience;
  • Remote Work whenever possible;
  • Allocation of health insurance from the beginning of the employment;
  • Delivery of work equipment adjusted to the performance of functions;
  • And others.


Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries.

Are you ready to step into a diverse and inclusive world with us?

Together we will promote uniquess!

Key Skills

Ranked by relevance

android swift firebase rxswift kotlin xcode git xml ios c
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Country Guide

Portugal

Startup-friendly with strong expat appeal

Posted
Jan 06, 2026
Type
Full-time
Level
Mid-Senior
Location
Lisbon
Company
syffer

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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