Senior Flutter Developer

About the company

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.

Your tasks

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.

• 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

Requirements

Tech Stack

• Flutter/Dart
• REST API
• App Store & Google Play
• Firebase
• GraphQL
• Bluetooth Low Energy (BLE)
• NFC
• IoT / Connected Devices

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

Must have: Flutter, Dart, REST API, Android, iOS, Agile, Scrum

Nice to have: Bluetooth, BLE, IoT, Firebase, GraphQL, Kotlin, Swift, Data visualization, AI