Summary: Seeking a Senior Full Stack Engineer proficient in PHP, Golang, and JavaScript to design, develop, and maintain web-based applications, contributing to system design and delivering scalable solutions. Highlights: 1. Design, develop, and maintain web applications using PHP, Golang, JavaScript 2. Contribute to architectural discussions and technical decision-making 3. Collaborate with cross-functional teams including product, QA, and DevOps We are seeking a Senior Full Stack Engineer with strong experience in PHP, Golang, and JavaScript to support the design, development, and maintenance of web\-based applications. This role is suited for a senior\-level engineer who can work across backend and frontend layers, contribute to system design, and deliver reliable, scalable solutions in a collaborative environment. The ideal candidate brings solid experience in modern web development, backend services, and API\-driven architectures, and is comfortable working with multiple technologies and tools across the full software development lifecycle. **About First Factory** We are a software development company with over two decades of experience, boasting a dynamic team of 175\+ professionals actively engaged in diverse projects across various industries. We invite you to join us on this journey as we thrive and embrace fresh challenges. **Key Responsibilities** * Design, develop, and maintain web applications using PHP, Golang, and JavaScript technologies. * Build and maintain backend services using PHP frameworks such as Laravel and CodeIgniter. * Develop and support services and components written in Golang. * Implement frontend features using HTML and JavaScript. * Design, build, and consume RESTful APIs to support application functionality and integrations. * Work with relational and NoSQL databases such as MySQL and MongoDB. * Write clean, maintainable, and well\-tested code following established development standards. * Create and execute unit and integration tests using tools such as PHPUnit and Postman. * Document APIs and application behavior using tools such as Swagger. * Collaborate with cross\-functional teams including product, QA, and DevOps. * Participate in code reviews to ensure quality, performance, and maintainability. * Support troubleshooting, debugging, and performance optimization across applications. * Contribute to architectural discussions and technical decision\-making. * Support application deployment and environment stability in collaboration with infrastructure teams. * Follow software engineering best practices related to version control, testing, and documentation. **Requirements** * 5\+ years of professional experience in web application development. * Strong experience with PHP and frameworks such as Laravel and CodeIgniter. * Hands\-on experience developing backend services using Golang. * Solid frontend development experience using HTML and JavaScript. * Experience working with relational databases such as MySQL and NoSQL databases such as MongoDB. * Strong experience designing and consuming RESTful APIs. * Experience with testing tools such as PHPUnit, Postman, and API documentation tools such as Swagger. * Familiarity with caching and messaging technologies such as Redis. * Working knowledge of Python is a plus. * Experience using containerization and orchestration tools such as Docker and Kubernetes. * Proficiency with Git\-based version control systems. * Understanding of modern software architecture patterns and best practices. * Experience working in Agile or iterative development environments. * Strong problem\-solving skills and attention to detail. * Ability to work independently and collaboratively within a team. * Strong communication skills in English, both written and verbal.