Backend Developer (Mid Level)

Location: Remote

Rate: €200 to €300 per day DOE

Start: ASAP

Contract: Open-ended

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 adecuado 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 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

📌 Back End Developer - €200 - €300 A Day - Remote (Marzán)
🏢 La Fosse
📍 Marzán