Mobile SDK Developer

Sinch is pioneering customer communications, providing cloud solutions for mobile messaging, voice, and email to over 150,000 businesses including Google, Uber, Paypal, Visa, and Tinder.
Stockholm, Sweden
Mobile
Mid-Level Software Engineer
Hybrid
3+ years of experience
Enterprise SaaS

Description For Mobile SDK Developer

Sinch, a leading provider of cloud-based communication solutions, is seeking a Mobile SDK Developer to join their innovative team. The company serves over 150,000 businesses, including tech giants like Google, Uber, and PayPal, providing essential communication infrastructure through their Customer Communications Cloud.

The role focuses on developing and maintaining high-performing mobile SDKs that power real-time conversations for millions of users worldwide. You'll work with cutting-edge WebRTC technology and be responsible for creating cross-platform solutions using a shared C++ codebase between iOS and Android platforms.

As a Mobile SDK Developer, you'll take ownership of the entire software lifecycle, from designing simple yet powerful APIs to implementing robust solutions that scale. The position requires expertise in modern C++ and mobile application development, with experience in either iOS or Android platforms being essential.

The ideal candidate will have strong technical skills in Kotlin or Objective-C/Swift, experience with Linux/macOS development environments, and a passion for clean, testable code. Knowledge of WebRTC protocols, NAT traversal, and network protocols would be particularly valuable.

Sinch offers an attractive work environment with values centered on "Dream Big," "Win Together," "Keep it simple," and "Make it Happen." The company provides competitive compensation, comprehensive benefits including healthcare and pension, and emphasizes work-life balance with flexible remote work options. Join a diverse, talented team where you'll have the opportunity to tackle meaningful challenges and grow with the latest technologies.

Last updated a day ago

Responsibilities For Mobile SDK Developer

  • Develop SDKs using WebRTC technology for real-time communication
  • Align SDK APIs and features across iOS, Android, and Web/JavaScript platforms
  • Develop cross-platform solutions using shared C++ codebase
  • Design simple yet modular and extensible APIs
  • Write clean, testable, and maintainable code
  • Enhance automation and CI/CD pipelines
  • Influence architectural decisions and development practices

Requirements For Mobile SDK Developer

Kotlin
  • Professional expertise in modern C++, especially in mobile applications development
  • Professional experience developing for iOS and/or Android platform
  • Experience with Kotlin or Objective-C/Swift
  • Experience with Linux/macOS development environments and CI pipelines
  • Strong communication skills and collaborative mindset
  • Passion for clean, testable code and modern software practices

Benefits For Mobile SDK Developer

Medical Insurance
  • Remote work options
  • Healthcare insurance
  • Pension contributions
  • Wellness allowance
  • Healthy work-life balance

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