Backend Developer

3 days ago

Kuala Lumpur, Kuala Lumpur, Malaysia SENGA AI ENTERPRISE Full time 40,000 - 80,000 per year
Key Responsibilities
  • Design and develop core business systems, APIs, and server-side logic.
  • Develop and maintain back-end modules for the company's VPN, IM (Instant Messaging), and SaaS products.
  • Design and maintain database structures to ensure data security and access performance.
  • Participate in high-concurrency architecture design and performance optimization to ensure system stability.
  • Conduct code security audits and implement protection measures (anti-debugging, tamper prevention, encrypted communication).
  • Develop backend service modules including user authentication, node management, billing, and logging systems.
  • Prepare technical documentation such as API specifications, database design, and deployment guidelines.
  • Collaborate with front-end, DevOps, and security teams to deliver efficient, reliable, and scalable systems.
Requirements
  • Bachelor's degree or above in Computer Science or a related field, or equivalent practical experience.
  • Proficient in PHP (Laravel / ThinkPHP), and familiar with at least one other programming language (Java / Python / Go).
  • Experienced with MySQL, Redis, and message queue systems such as RabbitMQ / Kafka.
  • Strong understanding of microservices architecture, RESTful APIs, modular design, and high-concurrency optimization.
  • Experience in VPN, SaaS, or security-related system development is a plus.
  • Knowledgeable in common security vulnerabilities and mitigation techniques (SQL injection, CSRF, XSS, etc.).
  • Proficient with Git version control and Linux-based deployment environments.
  • Strong sense of code quality, documentation, and team collaboration.

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