Job Summary: An agile and responsible mid-level developer to quickly resolve issues, maintain system stability, and ensure operational continuity. Key Highlights: 1. Focus on rapid problem resolution and system stability 2. Collaborate with technical teams to deliver quick and effective solutions 3. Production system maintenance and support **Mid-Level Developer - PHP + Node.js + SQL** We are seeking an agile and responsible developer with strong programming logic and hands-on experience in object-oriented PHP, Node.js, and SQL. The role focuses on rapidly resolving issues, maintaining system stability, and ensuring operational continuity. If you enjoy challenges, work autonomously, and want to work onsite in Santo André, this is a great opportunity! **Responsibilities:** Fix and optimize object-oriented PHP code Maintain and enhance internal systems built with Node.js Create and fine-tune SQL queries with performance optimization in mind Collaborate with technical teams to deliver quick and effective solutions Perform production system maintenance and support **Requirements:** Proven experience with pure PHP (object-oriented) Experience with Node.js (Express or TypeScript) Proficiency in SQL (MySQL, PostgreSQL, or MSSQL) Strong analytical skills and proactive problem-solving ability **Preferred Qualifications:** Knowledge of Docker, Redis, or API integrations Experience with high-volume data systems or customer-facing applications **Conditions:** Salary: To be negotiated Location: Onsite — Santo André/SP **Availability: Immediate** Job Type: Freelance / PJ Compensation: R$8.000,00 - R$10.000,00 per month Experience: * Software Development (Mandatory)