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Linux Software Engineer
Job Posted: 2 hours ago
Salary: £ 250 - 550 / Day
Job Type: Contract
Location: RG6, Reading, Berkshire
Expire in: a month
Job Description
Role Overview
We are seeking an experienced Linux Software Engineer to contribute to the development of software for a passport scanning device. The role will involve C++ and Python programming, working closely with cameras, smart cards, and human interface devices. You’ll play a key part in designing and implementing functionality for scanning, image capture, user interfaces, and peripheral communications.
Key Responsibilities
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Develop and maintain Linux-based software for passport scanning devices
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Implement image acquisition and processing functionality using Video4Linux (V4L2)
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Integrate with human interface devices such as buttons, LEDs, and sensors
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Manage smart card interactions with PCSC for e-passport data reading
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Design and implement GUI components using GTK
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Optimise performance for real-time image capture and processing
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Troubleshoot hardware and software integration issues in a Linux environment
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Document technical designs, APIs, and user guides
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Work collaboratively with hardware, QA, and support teams
Required Skills & Experience
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Strong C++ and Python development skills in Linux environments
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Hands-on experience with Video4Linux (V4L2) for camera and image capture
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Knowledge of HID integration for input and output hardware
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Experience using PCSC for smart card communication, ideally with e-passports
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Practical experience with OpenCV for image processing and computer vision
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GUI development experience with GTK
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Strong debugging and profiling skills in Linux
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Familiarity with device drivers, USB interfaces, and low-level hardware interactions
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Comfortable using Git and build systems such as Make or CMake
Desirable Skills & Experience
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Previous experience developing software for passport readers, ID scanners, or similar embedded devices
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Knowledge of ICAO standards and e-passport technologies such as MRZ and RFID chip accessBefore You Apply
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