Brookwood Recruitment Ltd
Principal Engineer
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Principal Engineer
Salary: £130,000–£160,000 + package
Industry: Banking
We're working with a leading banking organisation undergoing a major technology transformation and building the next generation of its technology platforms. This is a genuine greenfield engineering opportunity within a modern, cloud-native and AI-enabled environment. The ambition is to operate with the pace, autonomy and engineering culture associated with leading fintechs and global technology companies. As a Principal Engineer, you will act as the senior technical leader within a high-performing product engineering squad. This is not an ivory-tower architecture role or a legacy maintenance position. You will combine architecture ownership, deep technical engineering and technical leadership to build new systems and platforms from the ground up.
Key responsibilities:
- Own the technical direction and architecture of a high-performing engineering squad.
- Design and build greenfield systems, services, APIs and platforms.
- Lead system design across cloud, application, data and integration layers.
- Validate and challenge AI-generated code, tests and architectural solutions.
- Ensure AI-generated outputs are secure, scalable, technically correct and appropriate for the wider system.
- Define guardrails for AI-assisted engineering and use AI to improve productivity without compromising quality.
- Set engineering standards and guardrails while enabling teams to move quickly.
- Remain hands-on enough to challenge technical decisions and solve complex problems.
- Drive CI/CD, automation, observability, resilience and production engineering.
- Coach engineers and raise overall technical standards.
- Partner with Product and Engineering leadership to deliver robust technical solutions.
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You'll ideally have experience of:
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- Building greenfield platforms and distributed systems.
- Owning architecture and making complex technical decisions.
- Working in cloud-native environments.
- Building, owning and operating systems in production.
- Operating within autonomous, high-performing engineering teams.
- Applying strong engineering judgement to complex technical challenges.
- Working in fintech, digital product or large-scale technology environments.
Relevant technology experience:
- Java
- Azure / AKS
- Kubernetes
- GitHub Actions
- Kafka
- Modern CI/CD
- API and integration architecture
- Observability and SLOs
- Production monitoring and incident response
- AI-assisted software engineering tools
This is not a rigid technology checklist. Strong engineering pedigree, architecture capability and technical judgement are more important than an exact stack match.
Apply today for immediate consideration!
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