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

Description

Summary: Oowlish is seeking a Senior / Lead Full Stack Engineer to join a high-impact product team, owning architecture, writing production code, and delivering end-to-end solutions for AI-powered applications. Highlights: 1. Collaborate with premier US and European clients on pioneering digital solutions 2. Opportunity for professional development, growth, and international impact 3. Hands-on role building modern, AI-powered applications with cutting-edge tech **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;