Professional Internship – Full Stack Development (Integrations)

Description

Job Summary: Hexxon is seeking a passionate Full Stack Development intern who is enthusiastic about connecting systems and building digital solutions, and who will participate in the full software development lifecycle under the guidance of senior developers. Key Highlights: 1. You will participate in the full software development lifecycle. 2. Direct mentorship from senior developers. 3. You will learn best practices and modern technologies (MERN stack). Are you passionate about connecting systems and building digital solutions from pure logic? At Hexxon, we are not a static code factory. We solve complex business problems by developing applications with intelligent platform integration. We seek a Full Stack Development Intern eager to take their first professional steps working at the "core" of our system integrations, with direct support from our technical team. Your Challenge at Hexxon You will engage in the full software development lifecycle, supporting real-world tasks (not isolated practice projects). You will learn to build the logic that enables data to flow correctly between different systems, guided by senior developers. Key Responsibilities: Support in Integration Development: collaborate on modules and features for web applications (Frontend and Backend). API Consumption: assist in integrating third-party services (REST / GraphQL), under supervision. Functional UI Mockups: create dynamic and responsive user interfaces. Technical Documentation: learn how to document integrations and developed workflows. Profile Requirements We seek an intern with a solid technical foundation and strong willingness to learn. Education: Student pursuing a degree in Computer Engineering, Civil Computer Engineering, Programming Analyst, or a related field, eligible to undertake professional internship. Technical Knowledge (Mandatory): JavaScript (ES6+): solid understanding of core language fundamentals. Frontend: knowledge of React.js (academic level or personal projects). Backend: basic understanding of Node.js (Express). Databases: foundational knowledge of SQL or NoSQL. Version Control: experience using Git. Integrator Mindset: curiosity about how APIs work and willingness to read technical documentation in English and Spanish. Especially Valued (Plus): Knowledge of TypeScript. Experience with Postman or API testing tools. Personal or university projects to showcase (GitHub/portfolio). Technical English proficiency (reading level). What We Offer at Hexxon? Real Projects: you will contribute to applications solving real architectural challenges—not isolated exercises. Direct Mentorship: ongoing guidance from senior developers throughout your internship. Modern Tech Stack: learn best practices and current technologies (MERN stack and beyond). Hybrid Work Model: 2 days onsite (Metro Manuel Montt) and 3 days remote. Feedback Culture: a space where your ideas and progress matter. Potential Continuation: strong performance may lead to a full-time offer to join our team. Employment Type: Full-time Work Location: Hybrid in Santiago de Chile, Región Metropolitana