Senior Backend Engineer – Dart & Firebase

Compare your skills with our requirements

We’re looking for a Senior Backend Engineer with strong expertise in Dart and Firebase to lead the server-side development of our AI-powered event and venue recommendation platform. The backend is fully written in Dart and integrates with Firebase services (Firestore, Auth, Functions, etc.), powering a Flutter-based mobile app for iOS and Android. You'll own the architecture and reliability of our APIs, working closely with mobile and AI teams to ensure smooth real-time user experiences.

Must-have

• 3+ years of backend development experience, ideally using Dart in production
• Proven experience with Firebase (Cloud Functions, Firestore, Auth, Messaging)
• Strong understanding of RESTful API design and data modeling in NoSQL
• Experience integrating with mobile applications (Flutter or similar)
• Proficiency with authentication flows, role-based access, and user management
• Comfortable with version control (Git) and CI/CD pipelines

Is a plus

• Experience with backend Dart frameworks like dart_frog or shelf
• Familiarity with event-driven systems and serverless architecture
• Knowledge of analytics, personalization algorithms, or user behavior tracking
• Experience working on real-time or recommendation-based platforms

What you will do

• Architect, build, and maintain Dart-based backend services integrated with Firebase
• Develop secure and scalable APIs consumed by our Flutter mobile app
• Implement and manage user authentication, onboarding logic, and data flow
• Handle behavioral data collection and real-time personalization endpoints
• Collaborate with mobile engineers to define API contracts and ensure smooth integration
• Maintain API documentation, testing coverage, and production monitoring
• Continuously optimize backend performance, scalability, and reliability