Full Stack Developer

Description

Job Summary: We are looking for a Full Stack Developer to join as a Founding Engineer, taking ownership of entire modules and products, and building them from scratch. Key Highlights: 1. Take ownership of entire modules and products 2. Collaborate closely with all team departments 3. Participate in technical and product decisions About Tap In We are a Chilean startup transforming how schools operate across Latin America. We began by digitizing school cafeterias and are now present in \+13 institutions across Chile and Peru, growing month over month. We are building the complete operating system for school communities: payments, parent centers, sports leagues, events, and vendors — a single platform for everything currently managed in Excel, WhatsApp, and on paper. Recent Milestones: \- Selected for START Global Batch 6 — International Accelerator (Switzerland) \- Selected by iTera, the Engineering Startup Accelerator of Pontificia Universidad Católica de Chile \- Operating in Chile and Peru Our team consists of 5 members. You would be the company’s first Founding Engineer. The Role We seek a Full Stack Developer for a full-time internship (3 months), with the objective of continuing afterward. You will collaborate closely with all team departments (product, engineering, operations, and commercial). This is not a role of “executing others’ tickets”: you will take ownership of entire modules and products, speak directly with real customers to understand problems, and build from scratch. Your Responsibilities \- Design and build end-to-end modules/products (frontend \+ backend) \- Integrate third-party APIs (payments, electronic invoicing, biometric devices, WhatsApp) \- Maintain and improve production products \- Participate in technical and product decisions (not just executing specifications) \- Take ownership of critical product areas from Day 1 \- Use AI tools daily to accelerate your impact You’re a great fit if... \- You are a recent graduate or in your final year of university \- You are proficient in TypeScript and React (ideally with experience in Next.js) \- You are comfortable working with relational databases (PostgreSQL) \- You learn quickly and work autonomously \- You are passionate about education and/or building globally impactful products Bonus Points if... \- You have worked with Node.js (backend) \- You have integrated payment gateways or electronic invoicing systems \- You actively use Claude Code, Codex, or other AI agents in your daily workflow \- You have worked at early-stage startups What We Offer \- Full-time internship: $600,000 CLP/month (net) \- Graduate position: $1,500,000 CLP/month (net) \- Hybrid work model (office \+ remote from Chile) \- Real ownership from Day 1, fast decision-making, small team \- Equity / stock options based on fit and long-term commitment How to Apply Send your CV, GitHub or portfolio link, and 2–3 lines about what interests you and what you’re looking for to: jose.larrain@tapin.cl — Subject: CV Tap In \- \[First and Last Name] Salary: $1,500,000 per month Work Location: Hybrid in Santiago, Metropolitan Region