freehire launches on Product Hunt on 26 August.

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Software Design Engineer

Summary

Designs and develops embedded firmware and software systems using Python, C/C++, or JavaScript, with a focus on hardware-software integration and modern web technologies.

Salary: £45,000 - 55,000 per year

Requirements:
  • Strong programming fundamentals with experience in Python, C/C++ or JavaScript
  • Experience in embedded systems and firmware development
  • Comfort working across both software and hardware environments
  • Experience with modern web technologies and UI frameworks
  • Knowledge of APIs, databases, and cloud platforms
  • Familiarity with Git and collaborative development workflows
  • A degree in Software Engineering, Electronic Engineering, or a related discipline
Responsibilities:
  • Design, develop, and maintain software for current and future products
  • Work across the full stack, including backend development, frontend/UI design, and APIs and system integrations
  • Contribute to automation, tooling, and cloud/infrastructure tasks
  • Support embedded software and firmware development
  • Collaborate with hardware teams on microcontrollers, device communication, and low-level systems
  • Investigate and resolve bugs and performance issues
  • Write clean, maintainable, and well-documented code
  • Contribute to technical decisions and continuous improvement initiatives
Technologies:
  • Backend
  • Cloud
  • Embedded
  • Firmware
  • Frontend
  • Git
  • Hardware
  • Support
  • JavaScript
  • Python
  • Web
  • UX UI Design
  • C++

More:

We are hiring a Software Design Engineer in Sheffield, offering up to £55,000. This is a varied, hands-on role where we work closely with engineers, product managers, and stakeholders to drive continuous improvement and innovation across our clients product portfolio. We offer the opportunity to work across the full stack, from embedded firmware through to cloud and UI, within a collaborative, innovation-driven engineering team.

last updated 32 week of 2026

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