Senior Flutter Developer

BLE Integration:

Overview
We are a dynamic company developing cutting-edge mobile applications that integrate with IoT devices via BLE. Our apps collect data from connected devices, store it locally, and synchronize with cloud services for real-time analytics and reporting. If you are passionate about developing mobile apps handling challenges like data reliability, BLE connectivity, and performance optimization, we want you on our team.

Key Responsibilities:

• Develop and maintain mobile apps using Flutter or Xamarin that connect to BLE devices.
• Handle device discovery, connection, data transmission, and notifications over BLE.
• Implement robust error handling and reconnection strategies for BLE communication.

Data Management:

• Implement local data storage solutions (e.g., SQLite, Hive) to ensure data reliability during offline usage.
• Develop efficient data synchronization mechanisms to push local data to cloud endpoints.

Cloud Integration:

• Integrate mobile apps with backend APIs (Node.js) hosted on Azure.
• Ensure secure communication and data transmission between the app and cloud services.

Performance Optimization:

• Profile and optimize app performance to handle continuous data streaming from BLE devices.
• Implement strategies to manage memory and CPU usage effectively for smooth app performance.

Collaboration and Documentation:

• Work closely with backend developers and cloud architects to ensure seamless integration.
• Maintain thorough documentation for code, APIs, and BLE integration processes.

Qualifications and Skills

Technical Skills:

• Proficiency in Flutter or Xamarin for cross-platform mobile app development.
• Strong understanding of BLE communication, including device scanning, connection, and data handling.
• Experience with local data storage solutions (e.g., SQLite, Hive) and offline-first design principles.
• Hands-on experience with RESTful APIs, secure authentication, and integration with backend systems.
• Knowledge of Node.js for understanding backend endpoints and integrations.
• Familiarity with Azure services, including App Services, SQL Database, and monitoring tools.
• Expertise in troubleshooting issues like data loss, BLE connection stability, and performance bottlenecks.

Soft Skills:

• Strong analytical and problem-solving abilities.
• Excellent communication skills to collaborate with cross-functional teams.
• Ability to document processes and solutions clearly.
• Proactive mindset with a focus on delivering high-quality solutions.

Nice-to-Have Skills

• Experience with cloud-based monitoring and error logging tools like Firebase Crashlytics, Sentry, or Azure Monitor.
• Knowledge of reactive programming concepts (e.g., RxDart or Streams in Flutter).
• Prior experience with IoT projects and hardware integration.
• Familiarity with Agile methodologies and version control systems like Git.

How to Apply

If you have a passion for solving complex business challenges through technical expertise and innovation, we’d love to hear from you! Send your CV and cover letter to us.

Job Type: Full-time

Pay: £37,000.00-£38,000.00 per year

Additional pay:

• Performance bonus

Benefits:

• UK visa sponsorship

Schedule:

• Monday to Friday

Work Location: In person

Application deadline: 12/01/2025
Reference ID: Mobile App Developer (Flutter/Xamarin)
Expected start date: 01/02/2025