Senior Full Stack Engineer (React / Next.js / React Native)

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 Full Stack Engineer who can work across the entire application stack and take end-to-end ownership of features, infrastructure, and technical decisions. As an early member of the engineering team, you’ll work with a modern ecosystem—Next.js, React, TypeScript, React Native, Drizzle ORM, PostgreSQL, and cloud deployments—to architect scalable systems and deliver high-quality software. This role is ideal for someone with strong generalist skills, the ability to navigate frontend and backend challenges, and a passion for building products in fast-paced startup environments. You’ll collaborate closely with the team, contribute to core architectural decisions, and help shape the platform's future. Responsabilities:

Build and maintain features across the full stack

Develop responsive UIs using React and React Native

Design and implement APIs, database models, and backend logic

Integrate with external APIs and third-party services

Implement authentication, authorization, and security best practices

Optimize application performance across web and mobile

Contribute to architectural decisions and code quality standards

Must Have:

5+ years of professional software development experience

Strong full-stack engineering skills

Experience with React, TypeScript, and modern JS frameworks

Hands-on experience with React Native / Expo

Familiarity with SQL databases and ORM tools

Understanding of cloud services and deployment strategies

Ability to design scalable systems and make sound technical decisions

Strong problem-solving abilities and attention to detail

Self-starter capable of working independently across the stack

Nice to Have:

Experience with authentication systems (Better Auth, SSO)

Startup or early-stage product experience

Exposure to CI/CD and deployment automation