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Principal Engineer

London Hybrid

We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless, intelligent technology solutions.

We are looking for Principal Engineer with deep expertise in Kotlin to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment.

Responsibilities as a Principal Engineer:

• Contribute to the businesses technology strategy and architecture
• Contribute to the backend Kotlin infrastructure
• Ship resilient and well tested production code
• Collaborate with different teams to deliver value that aligns to business objectives
• Mentor and coach more junior members of the team
• Continuously evolve and improve the ways of working in the business

Key Requirements:

• Strong commercial experience in the Kotlin ecosystem for backend development
• Confidence to work with Spring Boot or Ktor to build robust microservices
• Strong ability to write secure, resilient, and well-tested code
• Ability to align engineering to ambitious commercial objectives
• Experience in line management responsibilities while remaining deeply technical
• Desire for building API-first products
• Deep understanding of software design patterns, SOLID principles, and test-driven development
• Experience with Agile methodologies, including peer reviews & pair programming.
• Ability to translate business needs into scalable technical solutions
• Competitive salary and bonus
• Hybrid office / remote-working practices
• Private Health Insurance
• Pension Scheme
• Life Assurance Scheme with death in service benefit of 4x salary

This is a career defining Principal Engineer position with the potential to have a massive impact on the technology strategy of a business that is directly shaping the future of intelligent digital infrastructure.

**Unfortunately, due to the high volume of applications, not all applicants will receive feedback.**

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Software Development

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