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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # PHP Developer - **Company:** Búsqueda Avanzada - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** PHP (Programming Language), Application Programming Interfaces (APIs), Cloud Engineering, Configuration Management, Software Quality, System Configuration, Command-Query Responsibility Segregation (Software Development), Data Synchronization, Database Design, Software Debugging, Software Design Patterns, Distributed Systems, Monitoring of Systems, PostgreSQL, Object-Oriented Software Development, Performance Tuning, PHP Development, Software Architecture, Query Optimization, Software Construction, Software Engineering, Software Systems, Symfony, Strategies of Testing, Web Applications, Data Logging, Software Verification, Phpunit, Database Optimization, Codeception, Backend, Behat, Containerization, Integration Tests, Kubernetes, Tools for Reporting, Front End Software Development, Event Sourcing, Restful APIs, Domain Driven Design, Doctrine (orm), Api Management, Docker, Jenkins, Microservices - **Published:** September 24, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role Extensive professional experience in PHP development, including the design and maintenance of large-scale web applications and backend systems. Deep expertise in object-oriented programming principles and software engineering best practices. Strong hands-on experience with Symfony, including RESTful API design and implementation using Symfony components and Doctrine ORM. Advanced knowledge of PostgreSQL, database design, normalization principles, performance optimization, indexing strategies, and complex query tuning. Strong understanding of software architecture patterns, scalability challenges, and enterprise-level application design. Expertise in SOLID, GRASP, and design pattern implementation across complex software environments. Experience applying Domain-Driven Design (DDD) concepts, including bounded contexts, domain services, and domain events. Advanced understanding of CQRS architecture, asynchronous processing, and data synchronization strategies. Experience designing and implementing Event Sourcing architectures for scalable and distributed systems. Strong knowledge of microservices architecture, deployment processes, monitoring, logging, and configuration management. Practical experience with Docker, Kubernetes, containerized environments, and cloud-native deployment practices. Advanced proficiency with automated testing frameworks such as PHPUnit, Codeception, Behat, or similar tools. Experience with CI/CD pipelines and tools such as Jenkins, including advanced configuration and automation capabilities. Excellent analytical, troubleshooting, and problem-solving skills with the ability to identify and resolve complex technical challenges. Strong communication and collaboration skills, with the ability to work effectively in distributed and cross-functional teams. Curiosity, innovation mindset, and a passion for continuously improving products, processes, and engineering practices. ## Description This is an excellent opportunity for an experienced backend engineering leader to drive the development of innovative fintech products within a fast-paced, international environment. In this role, you will contribute to the design and evolution of scalable payment solutions, working on complex backend systems, API integrations, and high-performance architectures. You will play a key role in ensuring software quality, reliability, and security while helping shape technical decisions and development standards. Collaborating closely with cross-functional teams, you will solve challenging business problems and support the growth of a modern financial technology ecosystem. The position offers significant technical ownership, remote flexibility, and the opportunity to work with cutting-edge technologies in a rapidly evolving industry. Accountabilities Design, develop, test, document, deploy, and maintain high-quality backend software solutions from concept through production. Enhance and optimize existing APIs, backend services, and platform functionality to improve performance, scalability, and reliability. Integrate third-party platforms and services, including payment providers, gateways, verification tools, monitoring systems, and reporting solutions. Build and maintain secure, resilient, and high-performing applications that support business-critical financial operations. Develop and execute testing strategies, including integration testing and quality assurance processes for new features and releases. Troubleshoot, debug, and resolve complex software issues while implementing preventive improvements. Create and maintain technical documentation, architectural specifications, and development standards. Provide production support and ensure the stability and availability of deployed solutions. Collaborate closely with frontend developers, engineers, and stakeholders to deliver robust and efficient software solutions. 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