Description: Role in the company: Work as a Back-end developer for web and mobile applications, focusing on consistent, scalable, and high-quality technical deliveries. The candidate is expected to take ownership of complete features, collaborate with multidisciplinary teams, and contribute technical solutions aligned with business needs. Additionally, it is expected that the candidate mentors less experienced members, promoting best practices and continuous improvement. Responsibilities: Develop and maintain medium to high complexity Back-end APIs and services using frameworks such as NestJS; Participate in the definition and implementation of scalable architectures, including microservices and asynchronous queues; Optimize queries and data modeling in relational and NoSQL databases, focusing on performance and scalability; Apply design patterns and software design principles (e.g., DDD) in system development; Implement automated tests (unit, integration) to ensure delivery stability and reliability; Collaborate with frontend, product, QA, and DevOps teams to ensure seamless integration and continuous deployment; Conduct code reviews, providing technical feedback and guiding less experienced developers; Support the definition of technical standards and development best practices within the team. Requirements: Advanced proficiency in at least one Back-end language (Node.js, Java, C#, Python, etc.); Solid experience with web frameworks such as NestJS, Spring Boot, or .NET Core; In-depth knowledge of data modeling, SQL, and relational databases (PostgreSQL, MySQL); Solid experience with NoSQL databases (MongoDB, Redis, etc.); Familiarity with microservices architecture, messaging, and queues (e.g., RabbitMQ, Kafka); Understanding of API security (authentication, authorization, validation, etc.); Solid experience with version control tools, CI/CD, and Dockerized environments; Ability to mentor junior developers and contribute technically to the team. Hard Skills: Node.js, NestJS (or similar); Relational and NoSQL databases; Microservices architecture; CI/CD, Docker, Git; Automated testing. Soft Skills: Technical communication; Proactivity; Mentoring ability; Collaboration with multidisciplinary teams. Desirable Certifications: Certifications in Back-end development, software architecture, or cloud computing. Differentiators: Proficiency in multiple programming languages and paradigms; Experience with GraphQL, WebSockets, or event-driven architecture; Active participation in large-scale or high-volume data projects; Contributions to technical communities, open source, or internal initiatives. Our Benefits: * Medical allowance: Monthly financial support to assist with your health plan. * Wellhub, to keep your body and mind active in the way you prefer. * Fully company-paid online therapy, because mental health matters. * Online Nutrition counseling, with up to two monthly consultations to support your dietary health. * Life insurance policy worth R$125,000, providing additional security for you and your family. * Birthday day off, because your day deserves to be special. * Paid leave, allowing you to recharge your energy. * Internal gamification, turning achievements into rewards and recognition. * Educational partnerships with institutions such as FIAP, Anhanguera, and Instituto Infnet, supporting your growth and learning. * Bonus for technical certifications, recognizing and rewarding your efforts to learn. We value every voice and every individual, because we know diversity makes us more innovative and stronger. 2511230202461885562