Flutter Mobile Developer — iOS/Android at Citylogix Inc – Montréal, Quebec

About Citylogix

Citylogix is a leading provider of data and analytics for smart city transportation infrastructure, leveraging LiDAR, 360° imaging, and AI-powered analytics to create detailed digital maps, and provide predictive analytics for proactive asset management.

About the role

We’re hiring a Flutter developer to help ship and scale a mobile app used by teams in the field. This role is hands-on and product-focused: you’ll build polished, reliable experiences that work in real-world conditions (spotty connectivity, large uploads, and high attention to performance and stability).

You’ll collaborate closely with Product, Design, and Engineering to deliver features end-to-end and help establish best practices for our mobile development standards.

What you'll do

• Build and ship features in Flutter for iOS and Android.
• Create clean, reusable UI components and smooth user flows.
• Integrate with backend APIs, manage authentication/session flows, and handle edge cases gracefully.
• Design for real-world conditions: offline-friendly workflows, background sync, retries, and conflict-safe updates.
• Implement secure file/media uploads to AWS, including upload progress, retries, and handling large files over mobile networks or Wi-Fi.
• Work with device hardware as needed.
• Improve quality through testing, performance profiling, crash/debug workflows, and code reviews.
• Support app releases (TestFlight/Play Console), monitoring, and iterative improvements post-launch.

Qualifications

• 3–5 years professional mobile development experience, with Flutter/Dart in production.
• Strong grasp of Flutter fundamentals (layouts, performance, async, networking).
• Experience with state management and clean architecture patterns.
• Proven experience implementing AWS S3 uploads in a mobile app (e.g., pre-signed URLs, multipart uploads, progress UI, retry/resume).
• Experience with Camera based applications.
• Comfortable working with APIs and collaborating cross-functionally with backend/frontend teammates.
• Strong debugging skills and a quality-first mindset.
• Excellent communication skills (written and verbal) — able to collaborate with Product/Design/Engineering, explain tradeoffs clearly, and provide regular status updates.

Nice-to-have

• Offline-first experience (local DB like SQLite/Isar/Hive, sync strategies, conflict handling).
• Experience with maps/location workflows or media-heavy apps.
• Familiarity with mobile CI/CD.
• Some experience in JavaScript environments or working alongside Node-based backends.