Senior Fullstack Developer (PHP)

Surya Digital Teknologi is a digital agency based on Indonesia. We specialize in creating mobile apps, websites, and software solutions including recruitment solution for large, medium, and small businesses. We aim to automate your tasks and help you achieve better results, giving you more time to focus on what matters the most. We take pride in being responsive and reliable. Our clients have experienced our commitment to IT services and recruitment firsthand. Let us show you what matters most – your success!

Currently, we are looking for a Senior Fullstack Developer interested in building global messaging technology provider delivering SMS, voice, and API-based communication solutions to businesses worldwide. This is a hands‑on engineering role with a strong backend focus, working within a Symfony‑based architecture.

What You Will Do:

• Design, develop, and maintain backend services using PHP (Symfony)
• Work with and progressively modernise legacy codebases
• Build and optimise APIs (REST/SOAP integrations)
• Improve system performance, scalability, and reliability
• Manage and optimise data storage across MySQL, Couchbase, and Elasticsearch
• Maintain and enhance UI components using JavaScript, HTML, CSS
• Work with jQuery / vanilla JS (React exposure beneficial)
• Improve usability across dashboards and internal tools
• Contribute to and maintain CI/CD pipelines
• Collaborate on deployment, monitoring, and system reliability improvements
• Drive code quality through code reviews, testing, and best practices
• Troubleshoot and resolve production issues in real‑time systems
• Contribute to reducing technical debt and improving system design

Requirements:

• 5+ years experience in full‑stack or backend development
• Strong expertise in PHP (Symfony framework essential)
• Proven experience working with production systems at scale
• Solid database experience: MySQL (mandatory)
• Experience with NoSQL/search systems (Couchbase, Elasticsearch) highly desirable
• Strong experience with API development and integrations (REST/SOAP)
• Experience working in Linux‑based environments
• Proficiency with Git and modern development workflows
• Strong debugging and production issue resolution skills
• Experience working with CI/CD pipelines
• Understanding of system design, scalability, and performance optimisation
• Ability to work with legacy systems and refactor incrementally
• Experience with AWS cloud services
• Experience with Python (scripts, tooling, or services)
• Willing to work according to Australian time or 6 AM – 3 PM Jakarta Time (9 hours include 1-hour break)