Staff Software Engineer

Optimizely is looking for a Staff Software Engineer to join one of their core CMS product teams in London. The role involves driving architectural direction, enabling teams to deliver at scale, and influencing engineering excellence across teams.

Requirements

• 8–12+ years of professional software engineering experience
• Strong experience building scalable backend systems
• Solid understanding of distributed systems, APIs (REST/GraphQL), and SaaS architectures
• Experience contributing to architecture and system design across multiple teams or domains
• Comfortable working across the stack when needed (frontend experience with JavaScript/TypeScript/React is a plus)
• Proven ability to lead without authority, influence decisions, and act as a multiplier for other engineers
• Strong communication skills and ability to collaborate across functions and geographies