### **Fullstack Developer - Associate Manager - CABA** **Location:** Buenos Aires (CABA) — **Parque Patricios** or **Chacarita** areas (client's offices) **Work model:** **Hybrid** (on-site + remote) **Contract type:** Employment relationship (full-time) **Working hours:** Mon–Fri **9:00 to 18:00** **Area / Tribe:** **Fullstack** **English:** Not mandatory **Mission** Lead (at **Associate Manager** level) end-to-end development of features for a **digital wallet/digital services** platform of a **major bank**, within a project led by a **leading international consulting firm**. You will work on **SPAs (React + TypeScript)**, a **BFF in Nest.js**, and **REST APIs in Node.js**, integrated with **MongoDB**. **Your responsibilities** * Develop **front-end** using **React + TypeScript** for scalable and high-performance **SPAs**. * Design and implement a **BFF (Backend for Frontend)** using **Nest.js**, integrating multiple **REST APIs** (Node.js). * Model and interact with **MongoDB** (queries, indexes, performance, and best practices). * Collaborate with UX, architecture, QA, and product teams to **define, estimate, and prioritize** user stories. * Ensure **quality** (testing, code reviews), **observability**, and **security** across the development lifecycle. * Participate in **deployments** and incident resolution, promoting **continuous improvement**. **Requirements (mandatory)** * Solid experience as a **Fullstack** developer with focus on **front-end** (**React + TypeScript**) and **Node.js**. * Development of **SPAs** and consumption of **REST APIs**; knowledge of **state management**, **routing**, and **hooks**. * Experience with **Nest.js** (or equivalent frameworks) for **BFF** and service orchestration. * Knowledge of **MongoDB** (data modeling, queries, aggregations, basic performance tuning). * Experience with **testing** (unit/integration), **version control** (Git), and integration with **CI/CD** pipelines. * Availability for **hybrid on-site work** in CABA (candidates from other provinces are not accepted). **Desirable** * Experience with **SSR/SSG** (Next.js), **caching**, and **observability** (logs/metrics/tracing). * API design (**OpenAPI**), **security** (JWT/OAuth2), **linting/formatting**, and **DX**. * Agile practices (**Scrum/Kanban**), tools (**Jira/Confluence**), and collaboration with **architecture/BFF** teams. **What we offer** * A **high-impact** project delivering digital banking products using a **modern tech stack**. * A **senior team** within an **international consulting firm**; culture centered on **quality**, **mentoring**, and **continuous improvement**. **How to apply** Apply with your **CV** (include a link to your **GitHub/portfolio**, if available) and briefly describe: * A relevant **React + TypeScript** project (scope, your contributions). * Your experience with **Nest.js/Node.js** and **REST API design**. * Previous work with **MongoDB** (modeling/queries/optimization). **Thank you!**