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Linux Software Engineer

Reading
2 weeks ago
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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



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 access

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