Principle Software Engineer

Location: London (Hybrid – 2 days/week in office)Salary: £100,657 – £118,420

We’re seeking a Principal Software Engineer to lead the design and delivery of scalable, resilient systems within a high-performing engineering team. You’ll drive technical strategy, mentor developers, and deliver cloud-native solutions that power personalised digital experiences.

• Architect and implement distributed systems and data platforms
• Define and execute technical strategy with cross-functional teams
• Champion engineering best practices and secure development
• Mentor and coach software engineers
• Deliver reusable solutions across business units
• Automate processes to improve efficiency

• Proven experience in distributed systems and large-scale data processing
• Strong computer science fundamentals
• Expertise in CI/CD and automation
• Proficiency in languages such as Python, Java, Go, Rust, JavaScript, React, SQL
• Experience with Docker, Kubernetes, Kafka
• Familiarity with GCP, Azure, AWS
• Understanding of cloud storage, networking, and resource provisioning

• Master’s or PhD in Computer Science or related field
• GCP or Kafka certifications

• Up to 15% pension contribution
• Annual performance bonus
• Share schemes including free shares
• 30 days’ holiday plus bank holidays
• Flexible benefits tailored to your lifestyle
• Inclusive policies supporting health and wellbeing

If this sounds like the right role for you, or you would like more information, then please get in touch with Christina Hall at