Test engineer (c++) Work, Jobs in Laleham Tw18 (with Salaries)

Remote Linux Embedded / Systems Software Engineer - Audio & USB HID
Zenovo —London
- £60 an hour
- Full-time
- Remote
- Software troubleshooting
- Windows
- APIs
Quick apply
2d
Test Engineer, Embedded Robotics
Rogue Cortex —Guildford
- £35,500 - £52,000 a year
- Full-time
- In-person
Quick apply
Embedded Systems Engineer
Giantplus Middleware Solutions UK Ltd. —London
- £55,000 - £72,000 a year
- Full-time
- Hybrid work
- English
- Communication skills
- Health & wellbeing programme
- Flexitime
Quick apply
1d
Software Test Engineer (C++)
LMAX Group —London
- Software troubleshooting
Embedded Linux Software Engineer
MDA Space —Farnborough
- Employee assistance programme
- Life insurance
FPGA Audio Engineer
DIGICO —Chessington
- Full-time
- Doctoral degree
- Engineering
- Master's degree
FPGA Development Engineer
Viasat, Inc. —Farnborough
- Full-time
Intermediate Engineer, Embedded Linux Software Specialist
MDA Space —Farnborough
- Doctoral degree
- Master's degree
- Bachelor's degree
- Employee assistance programme
- Life insurance
Staff Software Test Engineer
CoMind —London
- £72,800 - £131,000 a year
- Full-time
- In-person
- AI
- Employee discount
Intermediate Engineer, Embedded Linux Software Specialist
MDA —Farnborough
- Full-time
- Employee assistance programme
- Life insurance
Embedded Linux Software Engineer
MDA —Farnborough
- Full-time
- Employee assistance programme
- Life insurance
Software Engineer C++
Decisal —London
- £40,000 - £60,000 a year
- Full-time
- Remote
- Software troubleshooting
- C++
- Bachelor's degree
Quick apply
Senior Software Engineer (Rust, C++, Java, Go or Python)
Durlston Partners —London
- Up to £150,000 a year
- Engineering
- No degree
Apps Integration Engineer
Sky —London
- Full-time
- Hybrid work
- Organisational skills
- Communication skills
- Free parking
- Employee discount
Physical Layer / Firmware, Staff Engineer
MDA Space —Farnborough
- Computer Science
- Engineering
- Master's degree
- Employee assistance programme
- Life insurance
FPGA Development Engineer
Viasat —Farnborough
New Grad Full-Time Quantitative Researcher
WallStreetQuants —London
- £145,000 - £200,000 a year
- Full-time
- Remote
- Software troubleshooting
- Java
- Analysis skills
Quick apply
Senior GCS Software Engineer – C++ / Qt
Evolve Dynamics LTD —Farnham
- Full-time
- C++
- Software development
- AI
Quick apply
Software Engineer
AALTO —Farnborough
- Full-time
- Analysis skills
- Employee assistance programme
- Employee discount
Quick apply
6d
Graduate Quantitative Developer
DeepFin Research —London
- Software troubleshooting
- Master's degree
- C++

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Remote Linux Embedded / Systems Software Engineer - Audio & USB HID

Zenovo
London

Quick apply

Job details

Full-time
£60 an hour
2 days ago

Qualifications

Technical troubleshooting
Software troubleshooting
Windows
Debian
C
Embedded software
APIs
Linux
Debugging

Full job description

Role Overview We need an experienced Linux Systems / Embedded Software Engineer to build a robust kiosk daemon that captures system audio, encodes it (Opus), packetises it into 64-byte HID packets, and streams it to a custom USB HID device.
The work involves porting an existing Windows implementation to Debian Linux while achieving full functional, audio-quality, latency and protocol parity.
Key Responsibilities

Set up the Debian build/test environment and create a production-ready systemd service that starts at boot and recovers from failures.
Analyse the existing Windows listener, extract portable C/C++ logic, and replace Windows-specific APIs with Linux equivalents.
Capture system audio from the default output using PipeWire or PulseAudio (WASAPI loopback equivalent), handle device hot-swap and idle/silent states with low CPU usage.
Encode audio (Opus), chunk into 64-byte HID packets, and implement the required notification/header protocol.
Enumerate the composite USB device, locate the correct HID interface, and communicate via hidraw or libusb.
Handle USB attach/detach, reconnect, write failures and buffer overruns robustly.
Implement the shared command protocol (no API changes) and provide matching stub handlers.
Deliver diagnostic logging with parity to the Windows tool (audio level, VID/PID, connection status, errors, etc.).
Perform side-by-side validation against the Windows version and Android reference app for audio quality, latency, framing and stability.

Essential Skills

Strong C/C++ systems programming
Proven Linux/Debian daemon or service development
Practical experience with systemd
Linux audio (PipeWire, PulseAudio or ALSA)
USB device communication (USB HID, hidraw, libusb, composite devices, hot-plug handling)
Real-time or near-real-time audio/data streaming
Familiarity with Opus or similar low-latency codecs
Ability to debug across application, OS, audio and USB boundaries
Experience analysing and porting Windows code to Linux

Desirable

Embedded Linux
BLE / DA14531 or similar
Custom USB HID protocols
Kiosk / unattended system experience
Windows-to-Linux ports
Audio latency and codec pipeline debugging

Deliverables A production-ready Linux daemon that builds on the target Debian platform, captures and encodes audio, streams correctly framed HID packets, handles device reconnects, runs as a reliable systemd service, and matches the Windows implementation on quality, latency and behaviour.
Client Dependencies Target hardware, Debian version, Windows source, USB descriptors, protocol docs, Android sample app and reference devices will be supplied before the relevant work begins.
This is a hands-on systems role for an engineer who thrives on integrating audio, USB and Linux services into a reliable unattended solution.

Quick apply

Refine Your Search

test engineer (c++) jobs in laleham tw18

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