About the Company
Randstad Digital is a trusted partner in digital transformation, providing specialized talent, solutions, and production capabilities to accelerate business growth. We are part of Randstad, the world’s largest talent company, with a presence in over 20 markets. Our expertise spans customer experience, digital engineering, data analytics, and cloud transformation.
About the Role
Randstad Digital is seeking a Senior Flutter Developer to contribute to transformative digital projects. With over 25,000 engineers and digital experts worldwide, Randstad Digital is committed to accelerating digital enablement across industries. As part of a talent-first organization, you will be involved in developing innovative solutions, working with cutting-edge technologies, and contributing to impactful projects.
Key Responsibilities
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Develop mobile applications using Flutter, ensuring high-quality, performant, and secure code.
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Work with Bluetooth Low Energy (BLE) concepts, including device scanning, connection, and data exchange, ensuring secure data transfer.
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Leverage Flutter’s BLE APIs and libraries to build efficient and scalable mobile solutions.
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Troubleshoot platform discrepancies, ensuring a seamless experience across different devices and OS versions.
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Implement background execution techniques such as isolates and background fetch in Flutter applications.
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Manage permissions across different OS versions to ensure smooth app performance.
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Convert raw byte arrays received over BLE into meaningful, type-safe Dart objects.
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Design flexible, reusable, and type-safe functions using Dart generics.
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Write comprehensive unit tests for Dart/Flutter code to ensure code quality and stability.
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Design and develop SDKs or libraries for sharing functionality across multiple projects.
Required Qualifications
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At least 5 years of experience as a Flutter Developer.
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Strong experience with BLE concepts and protocols, including device scanning, connection, and data exchange.
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Proficient in Flutter BLE APIs and libraries.
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Expertise in background execution techniques in Flutter, including isolates and background fetch.
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Solid knowledge of managing permissions and platform-specific constraints in mobile apps.
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Ability to work with Dart generics to create flexible, reusable functions.
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Experience in writing and maintaining comprehensive unit tests for Flutter applications.
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Fluent in English, both written and verbal.
Preferred Qualifications
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Experience designing and developing SDKs or libraries for sharing functionality.
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Familiarity with other cross-platform mobile development frameworks.