Senior Symfony Engineer – PHP

• Take ownership of backend development within the core Symfony application
• Become fully independent in delivering work within 2–3 months of joining
• Review and critically assess code written by the team and AI tools
• Support migration from Symfony 6.1 to Symfony 7
• Resolve versioning, compatibility and legacy issues
• Improve application performance, scalability and maintainability
• Work across Angular, TypeScript and Python-based AI agent services
• Collaborate with DevOps when backend changes affect other system areas
• Understand Angular/TypeScript code despite the primarily backend-focused role
• Assess the wider impact of technical decisions across Symfony, Angular and AI services
• Identify root causes and improve existing approaches
• Deliver maintainable solutions within a legacy codebase
• Work autonomously while collaborating with a remote, cross-functional team
• Follow SOC 2, PII and security requirements

• 8+ years of commercial software engineering experience, including at least 5 years working with PHP
• 7+ years of Expert-level PHP development experience
• 3+ years of recent commercial experience with Symfony 6.x/7 at Advanced level
• Strong senior-level Laravel experience may be considered where clearly transferable
• 4+ years of Advanced experience in backend architecture, system design and scalability
• 2+ years of Advanced experience using AI development tools critically
• 5+ years of Advanced MySQL experience, including database schema design and query optimisation
• Equivalent PostgreSQL or other relational database experience may be considered
• At least 1 year of experience with Angular/TypeScript or equivalent front-end exposure
• 3+ years of Advanced experience with automated testing using PHPUnit
• At least 1 year of experience with framework upgrades and modernising legacy codebases
• 2+ years of Intermediate AWS experience
• Fluent written and spoken English
• Strong written and verbal communication skills
• Ability to work UK hours
• Ability to complete strict background checks
• Ability to adhere to PII and data protection requirements
• Ability to operate independently after 2–3 months
• Hands-on engineering approach with an architectural mindset

• Full-time, long-term role
• Remote-first work environment
• Genuine community supporting growth and well-being
• Opportunities for personal and professional growth
• Collaboration with global teams and products
• Remote cross-functional product squad