We are looking for a Junior Developer to join our technology team. We're seeking someone with technical foundation, eagerness to learn, and willingness to work on both front-end and back-end, contributing to the continuous evolution of our products. **Responsibilities and duties** * Develop and maintain web applications using React on the front-end. * Implement APIs and services using C# (.NET) on the back-end. * Create and optimize queries, procedures, and data models in SQL (SQL Server). * Collaborate with the team to analyze requirements, propose solutions, and fix issues. * Version code using Git. * Assist in creating tests and ensuring delivery quality. * Work following software development best practices (clean code, SOLID, design patterns). * Build and maintain mobile applications using Flutter (Dart). **Requirements and qualifications** **Front-end (React):** * Knowledge of Reactjs. * Use of Hooks (useState, useEffect, useContext). * Consumption of REST APIs. * Understanding of componentization, state management, and props. * Basic knowledge of HTML5, CSS3, and JavaScript ES6+. * Familiarity with Redux. **Back-end (C# / .NET):** * Knowledge of C# and programming logic. * Experience with ASP.NET Core / .NET 6+ for API creation. * Understanding of Entity Framework (Db-First or Code-First). * Handling DTOs, controllers, and services. * Understanding of dependency injection. **Database (SQL):** * Experience with SQL Server. * Creation of queries, joins, views, procedures, and functions. * Basic data modeling (tables, keys, normalization). * Knowledge of indexes and basic query optimization. **Mobile (Flutter):** * Knowledge of Flutter and Dart language. * Building responsive interfaces with Widgets. * Integration with REST APIs. * State management (Provider, Bloc, or others). * Basic understanding of publishing and building for Android (and optionally iOS). **Additional information** We are looking for a proactive professional who is eager to learn, has good communication skills, works well in teams, is organized, pays attention to detail, and can understand problems to propose effective solutions. Work mode: On-site Working hours: Monday to Friday, from 08:00 AM to 06:00 PM **Benefits:** * Food basket; * Medical plan; * Dental plan; * Pharmacy discount; * Meal voucher; * Life insurance; * Transportation allowance; * Gympass; * Auster; * Profit sharing (PLR); * Facens scholarship;