Full Stack Engineer - Typescript, NodeJS, React - Native, Firebase,

Company Description Colaboro Development S.R.L. grew out of a coworking space in Rosario, Argentina, where engineers, designers, and entrepreneurs collaborated around a shared passion for technology. Over time, this local community evolved into a dedicated engineering team that delivers high-quality software solutions. Today, Colaboro.dev partners with companies across the globe, working on diverse and impactful projects.

Team members join a collaborative environment that values innovation, learning, and shared ownership of outcomes.

Role Description This is a full-time, on-site role based in Rosario for a Full Stack Engineer specializing in TypeScript, NodeJS, React (including React Native), and Firebase. The engineer will design, develop, test, and maintain web and mobile applications across front-end and back-end layers, ensuring scalability, performance, and security. Day-to-day responsibilities include implementing responsive user interfaces, building and optimizing APIs, integrating with Firebase services, and collaborating closely with designers and product stakeholders.

The role involves participating in code reviews, refining technical requirements, troubleshooting issues, and contributing to continuous improvement of development practices and architecture.

Qualifications

• Strong Full-Stack Development and Software Development skills, with experience delivering end-to-end solutions using TypeScript, NodeJS, React, React Native, and Firebase.
• Proficiency in Front-End Development, including modern JavaScript frameworks, responsive design, and Cascading Style Sheets (CSS).
• Experience in Back-End Web Development, including RESTful APIs, data modeling, and integration with cloud services such as Firebase.
• Solid understanding of software engineering principles, version control (Git), testing practices, and secure coding standards.
• Ability to collaborate in a multidisciplinary team, communicate clearly, and participate in peer code reviews.
• Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.
• Experience with agile methodologies, CI/CD workflows, and performance optimization is a plus.
• Comfort working on-site in Rosario and engaging directly with local and international stakeholders.