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Senior PHP/Symfony Backend Engineer (Symfony 7 Migration & AI Integration)

Smart Working • Portugal
Remote
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Lead backend development for a mature Symfony 6.1/7 platform managing enterprise marketing and revenue data, with ownership of migration, performance optimization, and cross-functional collaboration. Requires 8+ years of PHP/Symfony expertise, deep backend architecture skills, and critical evaluation of AI-generated code. Fully remote role with high autonomy and SOC 2 security compliance.

Key Highlights
Hands-on ownership of backend development in a Symfony 6.1→7 migration project with AI microservices integration
Senior-level responsibility for performance, scalability, and maintainability in a legacy codebase
Cross-functional collaboration with Angular/TypeScript and DevOps teams in a fully remote environment
Key Responsibilities
Take full ownership of backend development in a Symfony 6.1→7 migration project, resolving versioning and legacy issues
Critically assess and improve code quality, including AI-generated solutions, while maintaining system-wide impact awareness
Optimize application performance, scalability, and maintainability while collaborating with front-end and DevOps teams
Drive thoughtful, maintainable solutions in a legacy codebase while ensuring consistent delivery pace
Ensure strict adherence to SOC 2, PII, and security requirements across all backend changes
Technical Skills Required
PHP Symfony MySQL
Benefits & Perks
Fully remote work with no geographic restrictions
Highly rated workplace (Glassdoor)
Remote-first culture with community and growth focus
Nice to Have
CI/CD experience with GitHub Actions/GitLab CI/Jenkins
Data warehousing exposure (Amazon Redshift/Snowflake/BigQuery)
Project leadership or mentoring experience

Job Description

About Smart Working

At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity — it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values your growth and well-being.

Our mission is simple: to break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles. We help you discover meaningful work with teams that invest in your success, where you’re empowered to grow personally and professionally.

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