Salary: £60,000 - 65,000 per year Requirements: Strong commercial experience with PHP and Symfony Experience building and maintaining APIs and backend services Solid understanding of MySQL and relational database design Experience supporting and improving complex web applications Strong understanding of software architecture and backend best practices Experience working within collaborative Agile development teams Ability to write clean, scalable, and maintainable code Excellent problem-solving and communication skills Experience with Symfony API Platform (desirable) Experience working with Docker-based local development environments (desirable) Exposure to AWS and cloud-based deployments (desirable) Experience integrating third-party platforms and services (desirable) Experience mentoring junior developers (desirable) Frontend exposure with React or Next.js (desirable) Responsibilities: Leading backend development across web applications and APIs Designing, building, and maintaining scalable Symfony-based services Developing and improving RESTful API endpoints Supporting ongoing platform scalability, reliability, and performance Refactoring existing functionality to reduce technical debt and improve maintainability Collaborating with frontend developers working within React / Next.js applications Supporting architectural decisions and promoting engineering best practices Participating in code reviews and mentoring less experienced developers Contributing to technical discussions, sprint planning, and delivery processes Supporting integrations with third-party platforms including CRM, payment, and analytics tools Technologies: API AWS Backend Cloud CRM Docker Frontend LESS MySQL PHP React Symfony Web BitBucket Support JIRA Slack More: We are a globally recognized education-focused organization seeking a Senior Back-end Developer with expertise in PHP and Symfony to join our growing technology team. Located in Leeds, we offer a hybrid working model with two days onsite each week. Our modern, supportive environment values collaboration and continuous improvement. By investing heavily in our digital platforms, we aim to enhance user experience and drive long-term growth. You will play a key role in shaping our backend architecture and ensuring engineering standards across the team. last updated 20 week of 2026