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.