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Role overview
Published via Mainder
At Staffy, we are looking for a Senior Flutter Engineer to join a high-impact international project, working with a product-driven team focused on building an AI-powered mobile platform.
In this role, you will be responsible for designing and implementing the foundational layer that enables AI-driven capabilities across mobile applications, bridging large language models, on-device inference, and scalable Flutter architectures.
This is a unique opportunity to work at the intersection of mobile engineering and cutting-edge AI, shaping how AI features are integrated, consumed, and scaled within a Flutter-first ecosystem.
Architect and develop scalable Flutter applications with strong engineering standards
Design and implement an AI harness layer for mobile applications
Integrate LLM APIs (OpenAI, Gemini, Anthropic) into mobile experiences
Work with on-device AI frameworks (TensorFlow Lite, ML Kit)
Define and maintain Clean Architecture patterns and best practices
Design and maintain internal SDKs and reusable packages in Flutter/Dart
Implement robust API orchestration and async flows across services
Ensure high-quality code through testing (unit, widget, integration)
Optimize application performance (memory, rendering, startup time)
Collaborate with cross-functional teams in a fully remote, async environment
Experience
5+ years of experience in software engineering
3+ years of experience building production-grade Flutter applications
Experience working in remote, distributed teams
Technical Skills
Strong expertise in Flutter and Dart (widget lifecycle, rendering pipeline)
Experience with state management (BLoC, Riverpod)
Strong experience integrating REST APIs (error handling, caching, retries)
Hands-on experience with LLM integrations (OpenAI, Gemini, Anthropic)
Experience with on-device AI (TensorFlow Lite, ML Kit, or similar)
Experience designing SDKs or reusable libraries
Strong knowledge of Clean Architecture, SOLID principles, and DDD
Experience orchestrating multiple services and async workflows
Quality & Performance
Experience with unit, widget, and integration testing
Strong focus on performance optimization and debugging
Other Requirements
Strong understanding of data privacy in AI contexts
Experience using AI-assisted development tools (Copilot, Cursor, etc.)
Advanced conversational English skills
People First culture.
Free access to streaming platforms.
Free access to Spotify premium.
GYM discount.
Travel discount.
E-Learning discount.
Birthday-day
We are a young and fast-growing recruiting company with five years of experience working across Latin America and the United States. We partner closely with teams and founders to help them build strong, high-impact teams through recruitment, outsourcing, and team-building services.
Our culture is built on effective communication, trust, and transparency. We believe great work happens when people feel heard, supported, and empowered to grow. Today, our team is made up of more than 50 professionals working across different projects throughout the region, collaborating remotely and learning from each other every day.