Software Design Engineer

Software Design Engineer
Sheffield
Up to £55,000

The Role
Working closely with engineers, product managers, and stakeholders, you'll help drive continuous improvement and innovation across KO2's client's product portfolio. This is a varied, hands-on role spanning the design, development, testing, and maintenance of software, ideal for a practical, curious engineer who enjoys solving real-world problems and adapting as requirements evolve.
Key Responsibilities

Designing, developing, and maintaining software for current and future products.
Working across the full stack, including backend development, frontend/UI design, and APIs and system integrations.
Contributing to automation, tooling, and cloud/infrastructure tasks.
Supporting embedded software and firmware development.
Collaborating with hardware teams on microcontrollers, device communication, and low-level systems.
Investigating and resolving bugs and performance issues.
Writing clean, maintainable, and well-documented code.
Contributing to technical decisions and continuous improvement initiatives.
About You
You'll have strong analytical and problem-solving skills, be self-motivated, and comfortable working both independently and as part of a team. You'll be confident working across different parts of complex systems and a strong communicator, with:

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.
If you're a versatile Software Design Engineer who enjoys working across the full stack - from embedded firmware through to cloud and UI - and wants to be part of a collaborative, innovation-driven engineering team, we'd love to hear from you.
Contact KO2 Embedded Recruitment Solutions in confidence, specialists in electronics and embedded engineering
Only candidates based in UK and eligible to work in UK are allowed