Software Engineer

Jobtailor; Redhill; On-site; GBP 45,000 - 65,000; Full time

Job summary

Jobtailor is seeking an experienced C/C++ software engineer for Front Office devices and embedded platforms in the United Kingdom. You will develop, troubleshoot and maintain software across embedded and Windows/Linux environments, interfacing with hardware like POS terminals and NFC/readers.

You will design REST APIs, MQTT and WebSocket interfaces and collaborate with hardware teams to ensure robust device integration.

Qualifications

• Minimum 2 years of experience in software development using C/C++.
• Experience with hardware-connected applications and embedded software.
• Strong knowledge of modern C++ (C++11/14).
• Experience integrating/supporting hardware devices (POS terminals, NFC readers, printers, Bluetooth).
• Knowledge of REST APIs, MQTT and WebSocket communications.
• Experience using Git or similar version control systems.
• Experience with Embedded Linux and/or Windows-based systems.
• Familiarity with CMake and modern build processes.
• Strong analytical and troubleshooting skills.

Responsibilities

• Develop, maintain and troubleshoot C/C++ applications for Front Office devices and embedded platforms.
• Analyse software behaviour and investigate issues affecting device performance and service availability.
• Support integration of hardware devices and peripherals (POS terminals, NFC devices, printers, Bluetooth, etc).
• Design, implement and maintain software interfaces using REST APIs, MQTT and WebSockets.
• Collaborate with hardware and systems engineering teams to validate hardware-software interactions.
• Participate in software testing activities (unit/integration) and defect resolution.
• Contribute to software version control, build management and deployment processes using modern practices.
• Support production environments by investigating incidents and contributing to continuous improvement initiatives.

Skills

C/C++ development

Embedded Linux

REST APIs

MQTT

WebSockets

Git

CI/CD

Docker

Kubernetes

Unit testing

Debugging

Visual Studio/VS Code

Jira/Agile

CMake

Tools

Google Test

Mockito

CMake

VS Code

Visual Studio

Job description

Responsibilities

• Develop, maintain and troubleshoot C/C++ applications for Front Office devices and embedded platforms.
• Analyse software behaviour and investigate issues affecting device performance, functionality and service availability.
• Support the integration of hardware devices and peripherals, including POS terminals, NFC devices, receipt printers, Bluetooth devices and other field equipment.
• Design, implement and maintain software interfaces using communication technologies such as REST APIs, MQTT and WebSockets.
• Collaborate with hardware and systems engineering teams to validate hardware-software interactions and device integration.
• Participate in software testing activities, including unit testing, integration testing and defect resolution.
• Contribute to software version control, build management and deployment processes using modern development practices.
• Support production environments by investigating incidents, implementing fixes and contributing to continuous improvement initiatives.

Requirements

• Minimum 2 years of experience in software development using C/C++.
• Experience working with hardware-connected applications and embedded or device-level software.
• Strong knowledge of modern C++ development, including C++11 and C++14 standards.
• Experience integrating and supporting hardware devices such as POS terminals, NFC readers, receipt printers and Bluetooth peripherals.
• Knowledge of REST APIs, MQTT and WebSocket communications.
• Experience using Git or similar version control systems.
• Experience working with Embedded Linux and/or Windows-based systems.
• Familiarity with CMake and modern software build processes.
• Strong analytical and troubleshooting skills.
• Desirable
• Experience within Fare Collection Systems, transport or ticketing environments.
• Knowledge of Jira and Agile development methodologies.
• Experience with CI/CD tools and practices, including Jenkins, Docker and Kubernetes.
• Experience with unit and integration testing frameworks such as Google Test and Mockito.
• Knowledge of software design patterns and Clean Code principles.
• Experience developing applications in Windows environments using Visual Studio or Visual Studio Code.
• Experience supporting software deployments in production environments.

Core Competencies

Demonstrates expertise in C/C++ application development for embedded platforms and hardware integration, with strong analytical and troubleshooting skills. Proficient in modern development practices, including version control and software testing methodologies.