Description: Apply quickly via email: Requirements and qualifications: Mandatory requirements: * Courses or training in areas such as Computer Science, Software Engineering, Systems Analysis and Development * Minimum of 3 years of full-stack development experience; * Node.js * TypeScript * React / Next.js * PostgreSQL * Docker * Git / GitHub A plus: * Fastify (or Express) * Integrations with WhatsApp APIs * OpenAI / Gemini * Redis * Linux (basic server commands) Work schedule: Flexible hours, 4h/day from Monday to Friday. Knowledge: Education: Bachelor's degree — systems analysis and development, computer science, software engineering, information technology — Completed 2511070202301854136