Backend Developer (Mid Level)
Location: Remote
Rate: €200 to €300 per day DOE
Start: ASAP
Contract: Open-ended
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We are looking for a Backend Developer (Mid Level) to join a high-performing engineering team working on scalable, modern web applications. This role is ideal for someone with strong PHP and Symfony experience who enjoys building clean, well-structured systems and working in a collaborative, product-driven environment.
Please note: Fluent Spanish is required for this role.
The role
You will be responsible for designing and building backend services that power user-facing applications and internal systems. You will work closely with product, design, and engineering teams to deliver reliable, scalable, and high-quality solutions.
Responsibilities
• Build and maintain backend systems using PHP 8 and Symfony
• Design and develop scalable APIs and services
• Apply best practices in software design including design patterns and clean architecture
• Contribute to system design using Domain Driven Design and structured architectural approaches
• Work with AWS services including Lambda and messaging systems such as SNS and SQS
• Develop and maintain integrations with third-party services
• Write clean, maintainable, and well-documented code
• Implement unit and integration testing using PHPUnit
• Contribute to test automation using modern tools such as Playwright
• Work with relational and NoSQL databases including MariaDB, Redis, and MongoDB
• Use modern ORM tools such as Doctrine or Eloquent
• Collaborate on CI/CD pipelines and support smooth deployment processes
• Participate in code reviews and contribute to continuous improvement
Requirements
• Commercial experience with PHP 8+ and Symfony (ideally Symfony 6)
• Experience building and maintaining production web applications
• Hands-on experience with AWS, particularly Lambda and SNS or SQS
• Strong understanding of software design principles and architecture patterns
• Familiarity with Domain Driven Design and clean or hexagonal architecture
• Experience with Node.js in a backend or supporting capacity
• Strong SQL skills and experience with xpzdshu both relational and NoSQL databases
• Experience working with Docker and containerised environments
• Experience with automated testing including PHPUnit
• Familiarity with CI/CD workflows and modern development practices
• Fluent Spanish is essential
Nice to have
• Experience with OpenSearch or Elasticsearch
• Experience with Playwright or advanced automation testing
• Experience working in event-driven or microservices architectures
What we are looking for
• Engineers who take ownership and deliver high-quality solutions
• Strong problem solvers with attention to detail
• Comfortable working in cross-functional teams
• Clear communicators who can explain technical decisions