Senior Software Engineer (C++/C)

In this role you will design and build high-performance core engines and software platforms that power LEGO’s tech-enabled play. You will enable cross-functional teams to create engaging experiences using motion, sound and colour detection, bringing physical toys to life. You will own key engine components, tackle complex system challenges and help establish a solid foundation for future capabilities. This role offers the opportunity to shape in-house technology and contribute to a fan-focused play experience.

• Family Care Leave
• life and disability insurance
• wellbeing resources
• colleague discount
• bonus scheme
• hybrid working

• Design, implement, maintain and optimise core engine components
• Own complex technical challenges across the platform stack
• Improve performance, resource use and reliability on constrained systems
• Contribute to technical design, evaluate trade-offs and suggest architectural improvements
• Maintain engineering standards through code reviews, automated tests, docs and CI
• Collaborate with Engineering Leads and System Architects across Software and Firmware
• Identify opportunities to improve development processes and software quality

• Strong software engineering experience in complex systems, core platforms, frameworks or engines
• Ability to analyse problems, make engineering trade-offs and communicate decisions clearly
• Proficient in C/C++
• Experience with Domain Specific Languages (DSL)
• Proven track record delivering engineering projects within a team
• Balance user experience with technical constraints
• Experience using Jira
• Experience using GitHub

• Clear communication
• Cross-functional collaboration
• Problem-solving under technical constraints
• C++/C
• Domain Specific Languages (DSL)
• Jira