!!Locations: Columbia, Argentina, Brazil

About the role We are looking for an experienced AI-Pilled Full Stack Technical Lead to join our engineering team and contribute to the development of modern, scalable, and high-quality web applications. You will work across both backend and frontend development, using Node.js for backend services and React, TypeScript, and JavaScript for frontend applications. You will collaborate closely with engineers, designers, QA engineers, and product stakeholders to build reliable, user-friendly, and maintainable solutions.

Skills & Experience Experience using AI coding assistants (e.g., Claude Code, Codex, Cursor, Copilot) as part of the daily development workflow. 5+ years of experience in a Technical Lead / Tech Lead role, providing technical guidance and supporting engineering teams. Strong knowledge of Node.js and experience building production-ready backend applications and services. Hands-on experience with Node.js frameworks. Strong experience designing, developing, and integrating REST APIs. Good understanding of backend architecture, application design, separation of concerns, and scalable development practices. Experience working with relational databases such as PostgreSQL or MySQL, including data modeling and query optimization. Strong knowledge of JavaScript and TypeScript, including asynchronous programming, promises, modules, and modern JavaScript features. Strong hands-on experience with React, including components, hooks, routing, forms, and state management. Solid knowledge of HTML5 and CSS3, including semantic HTML, responsive design, and modern layouts. Good understanding of frontend architecture, component-based development, reusable solutions, and state management. Experience with authentication and authorization mechanisms and secure API development. Experience with unit and integration testing across backend and frontend components. Good understanding of application performance optimization and scalability. Experience with Git, package managers, development tools, and modern build tools. Good understanding of web security principles and common application security risks. Strong debugging and problem-solving skills, with the ability to identify root causes across the full application stack. Ability to work independently, analyze technical requirements, and make well-reasoned technical decisions. Strong communication and collaboration skills. English level: Advanced.

Responsibilities: Develop and maintain modern, scalable full-stack applications using Node.js, JavaScript, TypeScript, and React. Design, build, and maintain backend services and REST APIs using Node.js. Develop reusable, maintainable, and well-structured frontend components and user interfaces. Design and implement application logic, data models, API integrations, and backend workflows. Integrate frontend applications with backend services, including authentication, data handling, validation, and error management. Work with relational and/or NoSQL databases, including data modeling, querying, and performance optimization. Translate product and technical requirements into reliable end-to-end solutions. Collaborate closely with Engineers, QA Engineers, Designers, and Product teams. Participate in technical discussions, solution design, estimation, architecture decisions, and code reviews. Write clean, maintainable, testable, and well-structured code following engineering best practices. Develop and maintain unit, integration, and end-to-end tests. Identify, troubleshoot, and resolve backend and frontend performance and functionality issues. Optimize application performance, API response times, database queries, rendering, and loading times. Contribute to application architecture, development standards, and continuous improvement of engineering practices. Use AI coding tools effectively as part of the daily engineering workflow to accelerate development, debugging, testing, and code quality.