Job Summary: A growing SaaS startup is seeking a Mid/Senior Full Stack Developer to work end-to-end, building intelligent solutions with real-world impact while exploring AI. Key Highlights: 1. End-to-end full-stack development (PHP, JavaScript) 2. Exploring and applying Artificial Intelligence to the product 3. Working in a startup environment with autonomy and fast decision-making Mid/Senior Full Stack Developer | Tech PlayBPO We are a growing SaaS startup seeking someone who enjoys rolling up their sleeves, working end-to-end, and helping build intelligent solutions with tangible impact. Here, you’ll work with PHP on the backend, JavaScript on the frontend, and have opportunities to explore and apply Artificial Intelligence to the product. What You’ll Do Develop full-stack features (front-end and back-end) Work with PHP on the backend and JavaScript on the front-end Contribute to architecture and product evolution Build and integrate AI-powered solutions (APIs, automations, intelligent features) Work in a startup environment with autonomy and fast decision-making Write clean, testable, and scalable code Participate in code reviews and technical knowledge sharing What We’re Looking For Solid experience as a Full Stack Developer Strong expertise in PHP and JavaScript Experience in startup environments or lean teams Practical experience or interest in applied Artificial Intelligence Curious, adaptable mindset with strong ownership mentality Good communication and teamwork skills Nice-to-Haves Integration with AI APIs (chatbots, automations, LLMs) Experience with B2B SaaS Knowledge of cloud platforms and Docker What It’s Like to Be a Playnauta You build real products You have autonomy to propose solutions You learn and apply AI in practical ways You grow alongside the company What We Offer 100% on-site position CLT employment contract 8-hour workday, Monday through Friday **Flash Card:** Food and Meal Allowance — R$ 35.00 per business day Fuel allowance or Transportation Benefit Health insurance Fully equipped kitchen **Address:** Av. Eng. Max de Souza, 1135 — Coqueiros, Florianópolis — SC, 88080-000