Senior Backend Engineer – PHP/Symfony (Remote, Full-Time), PK - [HR129]

About Smart Working

At Smart Working, we believe the right job should do more than just look good on your CV. It should feel right every single day. We’re not just offering remote roles. We’re building meaningful career paths for people who want to grow with global teams that value their impact.

Our mission is to break down geographic barriers and connect skilled professionals with long-term, full-time roles that make a difference. We partner with companies that invest in your success and empower you to thrive, personally and professionally.

Join one of the highest-rated workplaces on Glassdoor and experience what it means to work in a truly remote-first world.

About the Role

Important: Laravel-only experience is not qualifying — proven Symfony experience is mandatory!!!

We’re hiring a Senior Symfony & PHP Software Engineer to help design, build, and maintain the core backend systems of our products. You’ll work as part of an Agile team, collaborating with product managers, designers, and other engineers to build scalable, reliable features that solve real-world problems.

This role is perfect for someone who enjoys clean code, leading technical discussions, mentoring others, and shipping tested solutions that meet business needs.

What You’ll Be Doing

• Design and develop backend features that align with business goals and customer needs
• Maintain and improve test coverage using PHPUnit
• Build scalable, testable APIs and backend systems
• Write clean, maintainable code that meets agreed quality standards
• Review requirements and provide technical input and feedback
• Collaborate closely with product, design, and QA teams
• Monitor systems and respond to issues as part of a rotating on-call schedule
• Break down larger projects into manageable tasks and guide others through implementation
• Participate in code reviews and offer constructive feedback
• Continuously improve processes and suggest technical enhancements
• Promote secure coding practices and ensure code is free of known vulnerabilities
• Document features, processes, and architecture for team-wide knowledge sharing

Must-Have Skills

• 5+ years of experience working with PHP
• 3+ years of hands-on experience with Symfony
• 2+ years writing unit tests with PHPUnit
• Excellent communication skills in cross-functional teams
• Strong experience with MongoDB
• Strong experience with Design Patterns (Object Oriented)

Nice-to-Have Skills

• Familiarity with JavaScript, React, Node.js, and/or TypeScript
• Experience with Docker and/or Kubernetes
• Familiarity with CI/CD pipeline workflows

At Smart Working, you’re more than a remote developer. You’re part of a growing team that believes in doing great work, supporting each other, and building a career with purpose.

If this sounds like your next step, we’d love to hear from you.