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

Oowlish Technology

1d•Remote

About The Position

Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance its diverse and vibrant team. As a valued member, you will collaborate with premier clients from the United States and Europe, contributing to pioneering digital solutions. Oowlish is certified as a Great Place to Work, offering opportunities for professional development, growth, and international impact. The company provides the convenience of remote work, allowing for a flexible work-life balance. They are looking for candidates passionate about technology, proficient in English, and excited to engage in remote collaboration for a worldwide presence. The role is 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. The engineer 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.

Requirements

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 Haves

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

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