Principal Engineer

In this role you will be the principal technical authority for a major global product area, guiding architecture and innovation for large-scale, distributed solutions. You will influence multiple teams and collaborate with architecture leadership to deliver a scalable platform, mostly in a hands-off capacity with occasional design work or PoC involvement. You will mentor engineers, lead due diligence, and engage with executives to align technical efforts with business goals. This position offers impact across energy SaaS products and a chance to shape a mission-driven platform.

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• 5% Flex Fund
• 26 days holiday

• Serve as the principal technical authority for a global product area spanning multiple modules
• Lead innovation for complex, large-scale solutions aligned with target architecture standards
• Contribute to a scalable platform and influence multiple teams
• Partner with architecture leadership and broader principal/staff engineers
• Provide hands-off technical leadership with occasional design work or PoC when needed
• Mentor engineers to deliver autonomous, loosely coupled distributed systems
• Lead technical due diligence and high-stakes architectural decisions
• Deliver results and communicate with diverse stakeholders, including executives
• Engage with both technical teams and business leaders to align roadmaps
• Work autonomously while collaborating effectively and maintaining a growth mindset

• Architect modern distributed, cloud-based systems using enterprise practices
• Shape technical vision and product roadmaps to meet business goals
• Provide hands-on leadership and make key technical choices
• Mentor engineers in architectural principles and patterns for distributed systems
• Lead technical due diligence and high-stakes decisions
• Deliver results and influence cross-functional stakeholders across product features
• Engage with technical and executive audiences, communicating openly
• Adapt quickly to new domains and technologies with independence and collaboration
• Experience with AI/ML powered solutions (advantageous)
• Experience architecting solutions in complex domains, especially with AWS and API design
• Proven track record delivering global B2B2C SaaS and modern engineering practices (DevOps, CI/CD)
• Experience leading teams through organizational changes

• Strong communication and collaboration
• Strategic thinking and influence
• Mentorship and coaching
• AI/ML powered solution experience
• AWS and API design
• Architecting complex business domain solutions