Freelance Embedded C Developer

Freelance Embedded C Developer – Railway Systems

Overview

We are seeking a skilled Freelance Embedded C Developer to support the development of safety-critical embedded software for railway applications. This role involves working on low-level firmware and contributing to highly reliable and robust systems within a regulated engineering environment.

Key Responsibilities

• Design, develop, and maintain embedded software in C for microcontroller-based systems
• Work with Texas Instruments (TI) microcontrollers (e.g., MSP430, TMS320, or Sitara families)
• Implement and optimise firmware for real-time railway applications
• Develop low-level drivers, interfaces, and hardware abstraction layers (HAL)
• Collaborate with hardware engineers to integrate software with embedded platforms
• Debug and troubleshoot embedded systems using tools such as oscilloscopes, logic analysers, and debuggers
• Ensure compliance with relevant railway industry standards and safety requirements (e.g., EN 50128, IEC 61508 where applicable)
• Participate in code reviews, testing, and validation activities
• Maintain clear technical documentation

Required Skills & Experience

• Strong experience in Embedded C programming
• Proven track record working with Texas Instruments microcontrollers
• Experience in bare-metal and/or RTOS-based development
• Familiarity with communication protocols such as SPI, I2C, UART, CAN
• Experience debugging and working close to hardware
• Understanding of real-time constraints and embedded system optimisation
• Experience working in safety-critical environments (rail, automotive, aerospace, or similar)

Desirable Skills

• Familiarity with railway standards (EN 50128 / SIL processes)
• Experience with TI development tools (Code Composer Studio, TI SDKs)
• Knowledge of version control systems (e.g., Git)
• Experience with testing frameworks and CI/CD in embedded environments

Engagement Details

• Type: Freelance / Contract
• Location: Remote (Initial site visit required)
• Industry: Railway / Transport Systems
• Duration: 6 Months (with potential extension)