Title - Principal Engineer
Location - London
Salary - £78,969 - £98,711
About this role
The Principal Engineer for Platform Integration & Architecture is accountable for improving how CDP’s services and systems integrate. You will document and make legible the current state, align engineering leaders on shared integration principles, define the target integration model, and drive a practical roadmap to get there. You will work closely with tech leads and squads, staying hands‑on where needed, and supporting delivery through design input, reviews, and decision‑making. This is the first Principal Engineer role; we envisage it becoming its own team of senior engineers at the same grade as Tech Leads but with stand‑alone responsibilities.
Responsibilities
- Audit and document the existing platform architecture and integrations across services and systems.
- Produce clear architecture diagrams and documentation that support both day‑to‑day delivery and longer‑term decision‑making.
- Identify integration bottlenecks, inconsistencies, and technical debt, and propose concrete changes.
- Work with tech leads to agree shared integration principles and guidelines across squads.
- Define a target integration model suitable for CDP’s future needs, including patterns for service boundaries and interactions.
- Create a pragmatic roadmap for improving integration architecture, with clear priorities and milestones.
- Support squads to deliver the roadmap, including design collaboration, code and approach reviews, and unblocking decisions.
- Collaborate with internal stakeholders such as Engineering squads, Architecture, QA, Product, Platform and infrastructure colleagues as relevant to integration work.
Qualifications
- Extensive hands‑on experience designing and improving integration architecture across multiple services.
- Strong engineering background in modern web stacks, with deep practical experience in CDP’s stack (Node.js, React, Nest.js) and working knowledge of Azure‑based systems.
- Experience setting standards and aligning multiple teams on shared technical approaches, without slowing delivery.
- Ability to reverse‑engineer unclear systems, improve them incrementally, and explain trade‑offs in plain language.
- Strong written communication, producing documentation that engineers actually use.
- Practical, collaborative working style with a bias towards shipping improvements and raising overall engineering quality.
This is a permanent office‑based role in our London Office. The salary band for this role is £78,969 - £98,711 plus bank holidays, generous non‑contributory pension provision, Employee Assistance Programme, life assurance, training and development, flexible working opportunities and other benefits.
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