Back End Developer (PHP/Symfony)

CleanCloud Ltd; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading SaaS company is seeking a Backend Developer to work with PHP and Symfony in creating robust APIs and optimizing database performance. You will take ownership of features from conception to deployment, collaborate with teams, and contribute to a high-growth environment that fosters professional development. Minimum 3 years of experience in PHP development, a strong grasp of REST API principles, and a passion for writing clean code are required. This position offers opportunities for remote work and includes competitive benefits.

Benefits

Competitive salary

Remote work for 1 month annually

25 days annual leave

Professional growth and development opportunities

Annual company trip

Qualifications

• 3+ years of commercial experience in backend PHP development.
• Strong knowledge of Symfony with SOLID principles.
• Proficient with MySQL and ORMs like Doctrine.
• Experience with writing unit and integration tests.

Responsibilities

• Developing and implementing RESTful APIs using Symfony.
• Adding and improving integrations with software providers.
• Writing clean, maintainable PHP code adhering to modern standards.
• Optimizing MySQL queries and backend logic for performance.

Skills

Backend PHP development

Symfony framework

MySQL database optimization

REST API design

Unit and integration testing

English communication

Tools

PHPUnit

Docker

AWS EC2

Redis

Job description

Reporting to: CTO and Co-founder

Who are we

CleanCloud is the world's leading Point of Sale (POS) and software management solution for the laundry and dry cleaning industry. We are a high-growth SaaS company powering businesses in 100+ countries. We are digitising an entire industry, helping business owners grow, manage, and optimise their operations through our cloud-based platform.

The Role

As a Backend Developer at CleanCloud, you will work primarily with PHP and Symfony to build robust APIs, optimise database performance, and ship new features that are used by millions of end-users globally. You won't just be fixing bugs; you will have ownership of features from conception to deployment. You will work closely with our frontend team, product managers, and other backend engineers to ensure our architecture is scalable, secure, and clean.

What you’ll be doing

• Developing New Features: Designing and implementing RESTful APIs using the Symfony framework that power our platform
• Integrations: Adding new integrations with other software providers as well as improving existing integrations
• Code Quality: Writing clean, maintainable, and self-documenting PHP code (modern PHP 8.x standards).
• Optimization: Analyzing and improving MySQL queries and backend logic to ensure high performance during peak loads.
• Maintenance: Troubleshooting production issues and upgrading legacy components to newer architectural patterns.
• Collaboration: Participating in code reviews to share knowledge and maintain high standards across the team.

The "Must-Haves"

• Experience: 3+ years of commercial experience in backend PHP development.
• Framework Expertise: Strong working knowledge of Symfony (dependency injection, event listeners, bundles, etc.) using SOLID design principles.
• Database Skills: Proficiency with MySQL and Experience with ORMs (Doctrine).
• Testing: Experience writing unit and integration tests (PHPUnit) and using debugging tools (e.g. Sentry).
• API Design: Solid understanding of REST principles and JSON.
• Communication: Strong English communication skills and the ability to explain technical concepts to non-technical stakeholders.

The "Great-to-Haves"

• Experience working in a SaaS or High-Transaction environment.
• Familiarity with AWS services (EC2, RDS, S3).
• Experience with caching mechanisms (Redis/Valkey).
• Experience with CI/CD pipelines and Docker
• Some basic understanding of frontend frameworks (e.g. Vue.js or React) to understand how your APIs are consumed.
• Genuinely competitive salary - we will reveal full details at the initial screening call
• Allowed to work remotely overseas for 1 month every year
• 25 days annual leave (plus public holidays)
• Opportunities for professional growth and development
• Collaborative and supportive work environment from our London/Bratislava offices
• Access to the latest tools and technologies
• Annual company trip

Interview Process

• 2 - 3 stage interview process, including a technical pairing or take-home exercise
• You’ll chat with our Talent Partner (Matt), some of our current SW Engineers and our CTO/Co-Founder