Embedded Linux Contractor: C & Protocols for Secure IoT

Addsecure; Reading; On-site; GBP 65,000 - 90,000; Full time

Job summary

AddSecure’s Embedded Linux Software Developer role focuses on building reliable alarm communication solutions in an international team. You’ll work with embedded Linux, C, and protocol handling over RS485 and Ethernet, contributing to secure IoT connectivity and end-to-end solutions.

Responsibilities include designing protocol handlers, UI and JSON configurations, and rewriting C++ components in C with modular processes, while ensuring quality via unit and system tests in Python.

Qualifications

• Minimum 3 years of experience as software developer for embedded Linux products.
• Strong commercial experience developing production embedded Linux software in C.
• Ability to read, understand and modify C++ codebase.
• Proficiency with Git and Agile development methodologies.
• Good Python for automated tests.
• Knowledge of IP technologies (DHCP/DNS/routing) and data encoding concepts.

Responsibilities

• Design and develop new robust protocol handlers for alarm panels using C over RS485 or Ethernet.
• Add local web page UI elements and JSON configuration.
• Redesign and rewrite existing C++ software in C using small modular processes.
• Maintain code quality via unit tests, system tests in Python and code reviews.

Skills

Embedded Linux

C

Protocol handling

Git

Agile

Python

C++

JSON

MQTT

Wireshark

RS485/RS232

Tools

Git

Python

Wireshark

MQTT

Job description

AddSecure’s Embedded Linux Software Developer role focuses on building reliable alarm communication solutions in an international team. You’ll work with embedded Linux, C, and protocol handling over RS485 and Ethernet, contributing to secure IoT connectivity and end-to-end solutions.

Responsibilities include designing protocol handlers, UI and JSON configurations, and rewriting C++ components in C with modular processes, while ensuring quality via unit and system tests in Python.