Senior Flutter Developer
Build reliable Flutter apps for connected healthcare and safety devices, shaping Android and iOS experiences with an international team from design through release.
Tech Stack:
Flutter/Dart
REST API
App Store & Google Play
Firebase
GraphQL
Bluetooth Low Energy (BLE)
NFC
IoT / Connected Devices
Project Description:
Join a long-term international project delivered for a global technology leader operating in the healthcare and safety sector. The project focuses on developing innovative mobile applications connected with smart devices used in medical and industrial environments.
As a Senior Flutter Developer, you will collaborate with experienced architects, engineers, and product teams to build high-quality mobile solutions that deliver real-world impact. You will contribute to the development of scalable, reliable, and user-friendly applications supporting connected products and advanced device communication technologies.
Required Qualifications:
Extensive commercial experience in mobile application development
Strong hands-on experience with Flutter and Dart gained through multiple commercial projects
Proven track record of developing, delivering, and maintaining production-grade mobile applications
Strong knowledge of REST API integration
Experience working with both Android and iOS platforms
Experience publishing and maintaining applications in App Store and Google Play
Solid understanding of software architecture principles and mobile development best practices
Ability to make technical decisions and contribute to architectural discussions
Experience working in Agile/Scrum environments
English proficiency at B2 level or higher
Nice to Have:
Experience with Bluetooth Low Energy (BLE)
Experience integrating hardware devices and connectivity solutions
Background in IoT or connected products development
Experience with Firebase and/or GraphQL
Knowledge of Kotlin and/or Swift
Experience with NFC technologies
Previous experience in Healthcare, MedTech, or industrial environments
Experience building applications involving real-time data visualization
Experience working with sensor-based applications
Experienced in using AI tools in day-to-day workflow
Scope of Services:
Design, develop, and maintain mobile applications using Flutter and Dart
Build high-quality, scalable, and maintainable solutions for Android and iOS platforms
Integrate mobile applications with REST APIs and external services
Collaborate with cross-functional international teams, including architects, backend developers, QA engineers, and product stakeholders
Participate in architectural discussions and technical decision-making
Optimize application performance, reliability, and user experience
Ensure compliance with mobile development best practices and coding standards
Publish and maintain applications in App Store and Google Play
Support integration with connected devices, sensors, and hardware communication technologies
Participate in Agile ceremonies and contribute to continuous improvement initiatives
- Department
- Software Delivery
- Role
- Software Engineer
- Location
- Poland (PL)
- Remote status
- Fully Remote
- Contract rate
- PLN110 - PLN150/hour
- Skills
- Flutter
- Experience
- Senior
- Area
- Mobile apps
About Spyrosoft
Spyrosoft is an authentic, cutting-edge software engineering company, established in 2016. In 2021 and 2022, we were among the fastest growing technology companies in Europe, according to the Financial Times. We were founded by a group of tech experts with established backgrounds in software engineering, who created an ‘engineer-to-engineer’ workplace, powered by enthusiasm, fairness and authentic relationships. Having a unique offering, which bridge the gap between technology and business, we specialise in technology solutions for industry 4.0, automotive, geospatial, healthcare & life sciences, employee experience & education and financial services industries.