Mid-Senior Backend Developer (#68)

Job Title: Senior Software Engineer (PHP/Symfony) Location: Remote – Latin America (Working Spanish Hours) Type of Contract: Contractor | Remote Salary Range: $3,000 - $4,000 USD/month Language Requirements: Professional English and Native Spanish We are seeking a skilled Senior Software Engineer with strong experience in PHP, Symfony 6.4, and modern software architecture to join our client's growing team. You will play a key role in designing, building, testing, and deploying dynamic web applications using scalable, maintainable engineering practices. Your work will directly impact software quality, delivery speed, and the reliability of business-critical systems. Key Responsibilities Design and develop dynamic web applications using Symfony 6.4, PHP 8.1, and NodeJS v22. Apply established design patterns, development best practices, Domain-Driven Design, and Hexagonal Architecture in solution design and implementation. Produce clear technical documentation, including code documentation, architecture diagrams, and solution flow diagrams. Build and maintain integrations and event-driven workflows using AWS Lambda, AWS SNS, and AWS SQS. Write and optimize queries for MariaDB, Redis, and NoSQL databases such as MongoDB, while leveraging modern ORM tools like Doctrine or Eloquent. Develop, run, and maintain automated tests, including unit, integration, UI, and REST API automation using PHP Unit and Playwright. Support CI/CD pipelines and deployment processes to ensure smooth development, testing, and release cycles across the project infrastructure. Must-Have Qualifications Proven experience using established software design patterns and engineering best practices in production environments. Strong knowledge of Domain-Driven Design and Hexagonal Architecture. Demonstrated experience developing dynamic web applications with Symfony 6.4. Proficiency in PHP 8.1 and familiarity with key third-party libraries, frameworks, and development tools. Hands-on experience with AWS Lambda and AWS SNS/SQS. Practical experience with NodeJS v22, OpenSearch, Docker, and modern ORM systems such as Doctrine or Eloquent. Strong testing background, including PHP Unit, unit and integration testing, code quality improvements, and Playwright-based UI and REST API automation. Preferred Qualifications Experience improving application performance, maintainability, and overall software quality through refactoring and optimization. Familiarity with event-driven and distributed system design. Experience working in teams with established CI/CD and deployment processes. Exposure to cloud-native development and containerized environments. Ability to communicate technical concepts clearly through written documentation and diagrams.