Junior Full Stack Remote Long term (Spanish)

Mandatory Technical Requirements ● Experience developing chatbots: conversational bots that structure information into JSON. ● Experience with billing/invoicing systems: calculation logic, document generation, data handling. ● Experience developing ERPs or business management modules. ● VibeCoding with Claude and Qwen Coder: AI-assisted development, scaffold generation, refactoring, and task breakdown. ● Advanced JavaScript: parsing, cleaning, and structuring JSON. ● TypeScript. ● Node.js (basic): building simple APIs, controllers, middlewares. ● React (basic): components, hooks, consuming APIs. ● PostgreSQL: creating tables, queries, data manipulation. ● REST APIs: consuming and exposing. ● Webhook handling. ● Git / GitHub (basic flow, conflict resolution). ● Asynchronous concepts (promises, async/await, error handling). ● English for programming (intermediate). Desirable / Genuinely Useful Plus ● Optimized human–AI collaborative workflow with Claude and Qwen Coder. ● Ability to structure complete projects with AI assistance. ● Supabase. ● Basic Docker (able to spin up containers and services). ● Meta WhatsApp Cloud API / Instagram Graph API. ● Basic DevOps knowledge (logs, debugging, environments). ● Experience with simple microservices (Node, Express). Job Description (Upwork) We're looking for a developer with experience in chatbot development, billing/invoicing systems, and ERPs, with a workflow based on VibeCoding using Claude and Qwen Coder. We work with conversational chatbots that structure information into JSON, billing systems, and simple microservices that integrate into various internal processes. The ideal candidate should have solid fundamentals in JavaScript, databases, and APIs, as well as the ability to understand logical processes and turn them into functional solutions through AI-assisted development. This role requires analytical skills, structured thinking, and strong organization when working with data. Mandatory Technical Requirements ● Experience developing conversational chatbots that structure information into JSON. ● Experience with billing/invoicing systems and/or ERPs. ● VibeCoding with Claude and Qwen Coder (AI-assisted development). ● Advanced JavaScript (parsing, cleaning, and structuring JSON). ● TypeScript. ● Basic Node.js (simple APIs, controllers, middlewares). ● React (basic level). ● PostgreSQL (queries, tables, data manipulation). ● Consuming and exposing REST APIs. ● Webhook handling. ● Git / GitHub (including conflict resolution). ● Asynchronous knowledge: promises, async/await, error handling. Desirable / Plus ● Ability to structure projects and refactor using Claude and Qwen Coder. ● Supabase. ● Basic Docker. ● Use of Meta WhatsApp Cloud or Instagram Graph APIs. ● Basic DevOps knowledge. ● Experience with simple microservices in Node/Express. About the Selection Process During the interview, a live technical test will be conducted to evaluate: ● Logical thinking ● Command of tools ● Ability to solve technical problems in real time ● Clarity when explaining the steps being executed The tests are straightforward and focused on the core skills of the role, but candidates are encouraged to come prepared to demonstrate their knowledge in a practical way.