Middle Flutter Full-Stack Developer
We are looking for a motivated Flutter Full-Stack Developer (Mid Level) to join our team.
You will work on developing and scaling a high-performance AI-powered mobile application, collaborating closely with Product, Backend, Growth, and Infrastructure teams.
What Youโll Do
โ Develop and maintain cross-platform mobile applications using Flutter (iOS & Android).
โ Build scalable backend services using Python (FastAPI or similar frameworks).
โ Integrate AI models and third-party APIs (LLMs, image generation, payments, analytics).
โ Design and implement secure REST/GraphQL APIs.
โ Optimize app performance, responsiveness, and scalability.
โ Work with GCP infrastructure, including deployment, monitoring, and cloud services.
โ Ensure clean architecture, maintainable code, and strong separation of concerns.
โ Collaborate closely with Product, Growth, QA, and BI teams.
โ Participate in code reviews and contribute to engineering best practices.
โ Monitor production systems and support troubleshooting when needed.
Requirements
โ 3โ5 years of professional experience in mobile and/or backend development.
โ Strong experience with Flutter (Dart) for production-grade apps.
โ Solid experience with Python backend development (FastAPI, Django, or similar).
โ Experience working with REST APIs, authentication flows, and secure data handling.
โ Good understanding of cloud infrastructure, ideally Google Cloud Platform (GCP).
โ Experience with databases (PostgreSQL, Firestore, MongoDB or similar).
โ Familiarity with CI/CD pipelines and deployment workflows.
โ Strong debugging and problem-solving skills.
โ Clean code mindset and understanding of scalable app architecture.
โ Ability to work independently and take ownership of features.
โ Intermediate English communication skills required.
Desirable Experience
โ Experience integrating AI/LLM APIs (OpenAI or similar).
โ Experience with subscription systems (RevenueCat, in-app purchases).
โ Experience optimizing AI cost-performance (model selection strategies).
โ Experience working with microservices architecture.
โ Familiarity with monitoring tools (e.g., GCP Monitoring, Sentry, etc.).
โ Experience working in subscription-based mobile apps.
โ Interest in performance optimization and AI product scaling
Required languages
| English | B2 - Upper Intermediate |
| Ukrainian | Native |