Sr. Mobile Application Developer

Location North York
Discipline: Software Development
Contact email: getstarted@staffit.ca
Job ref: 544
Published: 2 days ago


Come join an industry leading SaaS company in North York, Ontario as a key member of their mobile application development Team:

Mobile Application Development

  • Leading the design and implementation of new features in our Flutter-based mobile applications

  • Translating designs (Figma) into production-ready code with pixel-perfect attention to detail

  • Collaborating with backend engineers to extend or adapt our API (Python/Django)

  • Improving and maintaining CI/CD pipelines, ensuring fast, reliable app releases

  • Building robust real-time features with Firebase (Firestore, Cloud Functions, FCM)

  • Designing and shipping interactive experiences, potentially leveraging AR and other emerging tech

  • Proactively monitoring performance, resolving crashes, and keeping dependencies current

  • Writing high-quality technical documentation and maintaining strong automated test coverage

Product Innovation & Leadership

  • Acting as a technical point of contact for the mobile team, guiding junior developers when needed

  • Working closely with customer success and clients to validate that features solve real problems

  • Driving experiments with new technologies, frameworks, and architectural patterns

  • Leveraging product analytics to measure and improve feature success

  • Engaging cross-functionally with marketing, account management, and integration partners to support strategic initiatives

Requirements

  • 4+ years of professional software development experience, with at least 2+ years in mobile app development using Flutter & Dart

  • Strong understanding of mobile architecture, state management patterns, and performance optimization

  • Proficiency with a backend framework (Python/Django preferred)

  • Hands-on experience with Firebase services (Firestore, Cloud Functions, FCM)

  • Track record of shipping high-quality, maintainable, and well-tested code

  • Experience with Git, CI/CD pipelines, and modern DevOps practices for mobile releases

  • Excellent English verbal and written communication skills

  • Ability to operate independently in a fast-paced environment and mentor others on best practices

  • Bachelor’s or Master’s degree in Computer Science or related field, or equivalent practical experience

  • Portfolio of shipped apps or notable contributions to production systems

Nice to Haves

  • Experience with native mobile app SDKs (iOS/Android)

  • Prior exposure to UI/UX design tools like Figma

  • Previous experience in a startup or small, fast-growing company environment

  • Experience contributing to or leading open-source projects