Senior Back-End Developer

Responsibilities

• Design and evolve scalable backend systems for a high-traffic video platform, with a focus on performance, maintainability, and long-term reliability.
• This includes building APIs, optimizing MySQL schemas and queries, implementing effective caching strategies with Memcached and Redis, and supporting background jobs or data-processing workloads that operate at significant scale.
• Maintain and modernize legacy code, integrate front-end components with backend logic, and contribute to technical direction through code reviews, reusable patterns, and sound architectural judgment.

Qualifications

• 8+ years of experience in back-end development, including strong experience building production systems at scale.
• 10+ years of experience with object-oriented programming languages, including 5+ years working with PHP and modern PHP practices such as PHP 8+
• Strong experience with MySQL, including schema design, indexing, and query optimization, along with hands-on experience using caching systems such as Memcached and Redis.
• In-depth understanding of web development fundamentals, HTTP protocols, and Linux server environments, including reading logs and troubleshooting production issues.
• Working knowledge of front-end technologies such as JavaScript or TypeScript, HTML, and CSS, along with the willingness to jump into any project when needed.

Preferred Qualifications

• Experience with video technologies, containers, codecs, or live streaming environments.
• Experience with NGINX, WebSocket-based communication, BASH scripting, networking fundamentals, or static analysis tools such as PHPStan.
• Degree in Computer Science, Engineering, or a related field.
• Experience modernizing legacy PHP applications, working with server-side rendering architectures, or contributing to CI/CD and automated testing practices such as PHPUnit.