Senior / Lead Full Stack Engineer (Next.js, AI, TypeScript)

Join Our Team Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance our diverse and vibrant team. As a valued member of Oowlish, you will collaborate with premier clients from the United States and Europe, contributing to pioneering digital solutions. Our commitment to creating a nurturing work environment is recognized by our certification as a Great Place to Work, where you will have opportunities for professional development, growth, and a chance to make a significant international impact. We offer the convenience of remote work, allowing you to craft a work-life balance that suits your personal and professional needs. We're looking for candidates who are passionate about technology, proficient in English, and excited to engage in remote collaboration for a worldwide presence. About the Role We are looking for a Senior / Lead Full Stack Engineer to join a high-impact product team building modern, AI-powered applications using a cutting-edge web stack. This is a hands-on role for an experienced engineer who can own architecture, write production code daily, and deliver end-to-end solutions in a fast-moving environment. You will work across frontend, backend, and infrastructure, building scalable systems while integrating AI-driven features into real-world products. The ideal candidate combines strong technical depth with product thinking and the ability to operate independently with minimal direction. This role requires strong alignment with PST working hours, with at least 6 hours of daily overlap. Key Responsibilities: • Design and build full-stack applications using Next.js, TypeScript, and modern web frameworks • Develop and maintain APIs, authentication flows, and backend services • Work with PostgreSQL, Supabase, and Redis to build scalable data systems • Deploy and manage applications on Vercel, including environments and workflows • Integrate AI/LLM capabilities (OpenAI, Anthropic) into product features • Optimize performance, reliability, and user experience across the stack • Implement monitoring, logging, and error tracking (e.g., Sentry) • Collaborate on product decisions and translate ideas into working systems • Take ownership of technical decisions and drive projects from concept to production Must have: • 5+ years of experience in full-stack software engineering • Strong expertise with Next.js (App Router, Server Components, Server Actions) • Advanced proficiency in TypeScript with end-to-end type safety • Experience building production-ready APIs (auth, validation, error handling, rate limiting) • Strong experience with PostgreSQL (schema design, indexing, optimization) • Hands-on experience with Supabase (Auth, Realtime, Storage, etc.) • Experience with Drizzle ORM or similar tools for schema and migrations • Experience with Redis (Upstash or similar) for caching and performance • Strong experience deploying and managing apps on Vercel • Experience integrating AI/LLM APIs (OpenAI, Anthropic, or similar) • Understanding of prompt engineering, streaming, structured outputs, and cost optimization • Experience using AI coding tools (Claude, Codex, or similar) in daily workflows Nice to Have: • Experience with Google Maps APIs (Places, Geocoding, Maps JS) • Experience building multi-tenant SaaS platforms • Familiarity with agentic workflows, MCPs, or AI-driven automation systems • Strong design/UX sensibility Benefits & Perks: • Home office • Competitive compensation based on experience • Career plans to allow for extensive growth in the company • International projects • Oowlish English Program (Technical and Conversational) • Oowlish Fitness with Total Pass • Games and Competitions