Job Summary: The organization is seeking a mid-level Backend PHP developer with experience in Symfony and a strong passion for AI to design scalable web application architectures and build autonomous systems. Key Highlights: 1. Develop web applications with Symfony and API Platform. 2. Integrate Artificial Intelligence into projects and workflows. 3. Collaborate in defining software architecture and project management. Country Spain Province Nationwide Application Deadline 26/06/2026 Category Computer Science and Technology Type of Offer Targeted at persons with disabilities **Create alert** **NGO Information** Cibervoluntarios Foundation **Rating** (3 ratings) **info** Response rate: 86.75% **info** **Objective** ------------ The organization seeks to hire a mid-level (MID) Backend PHP developer with experience in the Symfony framework and driven by a strong vocation for developing and implementing AI-based solutions. The professional’s mission includes the rigorous design of scalable web application architectures and the construction of autonomous systems (Agentic Workflows). **Candidates with a disability degree equal to or greater than 33% are highly valued.** Develop web applications using Symfony: ? Design, develop, and maintain web applications and RESTful APIs using recent versions of the Symfony framework and API Platform. ? Write clean, maintainable, and testable code while collaborating on software architecture definition. Practical Integration of Artificial Intelligence: ? Connect the system’s backend with external Large Language Model (LLM) APIs (e.g., OpenAI, Anthropic, or Gemini) to incorporate intelligent features into projects and automate internal workflows. Database Management: ? Handle the persistence layer using Doctrine ORM, designing and optimizing schemas for both relational databases (PostgreSQL, MariaDB) and NoSQL environments (MongoDB). Active Use of AI-Powered Programming Copilots: ? Integrate AI-assisted coding tools (e.g., GitHub Copilot) into daily development to accelerate routine code writing, generate unit test suites, and support refactoring—thereby increasing overall productivity. Basic Prompt Engineering: ? Author and refine instructions (\"prompts\") sent from code to AI APIs, ensuring responses meet required format and precision for seamless integration with application logic. Collaboration and Planning: ? Actively participate in team meetings to estimate effort, identify technical risks, and ensure adherence to quality standards for each deployment. **Profile:** Communication: Ability to communicate effectively both with the development team and other team members. Problem Solving: Capacity to efficiently identify and resolve technical and project management issues. Teamwork: Ability to collaborate effectively in a multidisciplinary team environment. Adaptability: Capacity to adapt to technological changes and project requirements. Results Orientation: Focus on achieving project objectives and meeting established deadlines. Proven, solid experience developing complex web applications using the Symfony ecosystem. Strong knowledge of API Platform, Doctrine ORM, and SQL and NoSQL databases. Experience with Docker and GitHub. A profile oriented toward AI technology integration, with the capability and fluency to deploy intelligent agents directly within the backend environment. Sufficient English proficiency for technical communication. **Competencies:** Analytical and problem-solving skills, Initiative and autonomy, Optimism and enthusiasm, Organization and planning, Technical and personal reliability, Interpersonal communication, Teamwork, Diplomacy and professional demeanor **Level:** Specialist **Contract Type:** Full-time **Duration:** Indefinite **Salary:** Between 24\.001 and 30\.000 € gross/year **Minimum Education:** Diploma **Minimum Experience:** At least 2 years **Start Date:** 30/03/2026 **Number of Vacancies:** 1