CareerPlanSign in

Principal Engineer

London💼 Full-time🗓 2026-07-24 → 2026-09-26

Core

Drive innovation and shape the future of engineering by defining long-term technical components, scaling the platform, and solving complex organization-wide challenges.

Role type

Principal Engineer (Staff/Principal level, highly influential IC)

Builds

Large-scale cloud-based applications, modern cloud-native architecture, and scalable platform infrastructure

Domain

Technology strategy, cloud infrastructure, and software architecture

Deliverable

production ML models | product features | infrastructure

Required skills

Large-scale system design, cloud-native architecture, technical strategy definition, root cause analysis, automated testing, observability, CI/CD, mentoring senior engineers, evaluating emerging technologies

Preferred skills

AI-assisted engineering, rapid prototyping, reducing technical debt, fostering technical culture

Technologies

Cloud infrastructure, APIs, backend systems

Responsibilities

Partner with CTO and engineering teams to define long-term technical strategy; conduct technical investigations and lead discovery for high-risk initiatives; mentor senior engineers and technical leads; champion modern software engineering practices; evaluate and recommend emerging technologies

Seniority

Principal, strategy & mentorship

Sourced via ashby · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.