**Semi Senior Developer (Node.js)** Modality: Hybrid, attending office 3 times per week At **HF Solutions**, we are looking for a **Semi Senior Developer** with at least **3 years of experience** to join one of our most important clients’ agile technology teams focused on the development, maintenance, and evolution of corporate platforms. If you are passionate about creating robust, scalable, and high-impact solutions, we want to meet you! **Education:** Degree in Computer Science or related field. **Experience:** At least 3 years in **Backend** development (primary focus) and knowledge in **Frontend** (secondary level). **Backend (primary):** * Node.js (Express, NestJS) * JavaScript (ES6\) and TypeScript * JWT * TypeORM * Knowledge of BFF and **Microservices** architecture * **Desirable:** experience with Google Cloud Platform (GCP) **Frontend (secondary):** * React (functional components, Context API, Hooks) * React Query / TanStack Query * Redux * JavaScript, HTML5, CSS3 * Knowledge in **Microfrontends (single\-spa)** * **Desirable:** Tailwind CSS, Ant Design ️ **Databases:** * PostgreSQL (primary) * **Desirable:** SQL Server * Proficiency in stored procedures, functions, views, triggers, and entity-relationship models **Job Objective** To integrate into internal teams focused on the **support, development, and maintenance** of systems, ensuring operational continuity and contributing to the continuous improvement and evolution of the organization's technological platforms. ️ **Job Responsibilities** * Analyze, design, and develop **Backend**-focused solutions for internal and external clients. * Implement enhancements and new features in existing platforms. * Integrate and adapt systems according to business needs. * Participate in projects using agile methodologies, collaborating with different teams.