<p><strong>Job Description</strong><br>We are seeking an experienced backend engineer for a rapidly growing headhunting company responsible for building the company's internal automation system, including efficient database integration, GPT-like large language model integration, and overall backend architecture optimization and maintenance. This position will directly support business digitalization and efficiency upgrades.</p><p><strong>Duties include:</strong></p><ul><li>Design and implement the backend services of the automation platform</li><li>Manage and optimize existing database structures (such as PostgreSQL / MySQL / MongoDB)</li><li>Integrate OpenAI GPT or similar large language models to achieve automated communication, resume screening, report generation, etc.</li><li>Design and maintain API interfaces, support front-end, third-party system integration</li><li>Participate in the overall system architecture design, ensure the system's scalability and security</li><li>Assist the product team in technical evaluation and feasibility analysis</li><li>Write high-quality documents and test code</li></ul><p><strong>Job Requirements</strong></p><ul><li>Bachelor's degree or above in Computer Science or related fields</li><li>3-5 years of backend development experience, familiar with at least one mainstream language (such as Python / Node.js / Go)</li><li>Proficient in database design and optimization, with practical project experience</li><li>Have practical experience in using OpenAI API or other LLMs (such as Claude, Gemini)</li><li>Familiar with RESTful API / GraphQL architecture design</li><li>Familiar with basic DevOps processes and tools (such as Docker, Git, CI/CD, etc.)</li><li>Strong business understanding ability, able to independently push forward projects</li><li>Applicants with automated process building experience are preferred</li></ul><p><strong></strong></p><ul><li>Experience in building recruitment, HR, SaaS or CRM systems</li><li>Familiar with natural language processing (NLP) related technologies</li><li>Experience in developing microservices architecture</li><li>Have basic front-end skills (such as React/Vue) to better collaborate</li></ul><p><strong>Salary and benefits</strong></p><ul><li>Competitive salary (depending on experience)</li><li>Flexible office + rapid decision-making culture</li><li>Contact with cutting-edge AI technology, large technical growth space</li><li>Five-day work schedule, annual leave and sick leave system are well established</li></ul>