Principal Engineer: Platform Strategy & Architecture

Barclays; Greater London; On-site; GBP 110,000 - 150,000; Full time

Job summary

Barclays is seeking a Principal Engineer to define and drive technical strategy across multiple products, platforms and teams in a London context. This role requires senior technical leadership, credibility in architecture decisions, and a bias for engineering excellence.

You will balance long-term architectural evolution with near-term delivery priorities, champion modern software practices, and lead cross-domain challenges to simplify the tech estate while maximizing value for clients and

Qualifications

• Senior technical leadership required to define and drive strategy across multiple products and teams.
• Experience influencing architecture and engineering decisions with credibility and collaboration.
• Proven ability to balance long-term evolution with near-term delivery priorities.

Responsibilities

• Provide guidance to align technology decisions with business goals and product roadmaps.
• Mentor engineers, foster cross-functional collaboration and professional growth.
• Design scalable, maintainable software solutions with a focus on resilience and security.
• Lead cross-domain architectural activities to maximize reuse and reduce fragmentation.
• Partner with product and engineering leaders to deliver AI-enabled experiences and shared platforms.

Skills

Technical leadership

Architecture design

Cyber security

Observability

Automation

Job description

Barclays is seeking a Principal Engineer to define and drive technical strategy across multiple products, platforms and teams in a London context. This role requires senior technical leadership, credibility in architecture decisions, and a bias for engineering excellence.

You will balance long-term architectural evolution with near-term delivery priorities, champion modern software practices, and lead cross-domain challenges to simplify the tech estate while maximizing value for clients and