Job Summary: Work as a Backend Developer for web and mobile applications, focusing on consistent, scalable, and high-quality technical deliverables, collaborating with multidisciplinary teams and mentoring less experienced team members. Key Highlights: 1. Development of APIs and medium/high-complexity backend services. 2. Collaboration with cross-functional teams and technical guidance. 3. Application of best practices and continuous software improvement. **Role in the Company:** Work as a Backend Developer for web and mobile applications, focusing on consistent, scalable, and high-quality technical deliverables. You are expected to assume ownership of complete features, collaborate with multidisciplinary teams, and contribute technical solutions aligned with business needs. You are also expected to mentor less experienced team members, promote best practices, and drive continuous improvement. **Responsibilities:** Develop and maintain medium- and high-complexity backend APIs and services using frameworks such as NestJS; Participate in the design and implementation of scalable architectures, including microservices and asynchronous queues; Optimize database queries and data modeling in relational and NoSQL databases, focusing on performance and scalability; Apply software design patterns and principles (e.g., DDD) when building systems; 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, provide technical feedback, and mentor junior developers; Support defining technical standards and development best practices within the team. **Requirements:** Advanced proficiency in at least one backend 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 microservice architecture, messaging systems, and queues (e.g., RabbitMQ, Kafka); Understanding of API security (authentication, authorization, validation, etc.); Solid experience with version control tools, CI/CD, and containerized environments (Docker); Ability to mentor junior developers and contribute technically to the team. **Hard Skills:** Node.js, NestJS (or similar); Relational and NoSQL databases; Microservice architecture; CI/CD, Docker, Git; Automated testing. **Soft Skills:** Technical communication; Proactivity; Mentoring ability; Collaboration with cross-functional teams. **Nice-to-Haves:** 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 projects, or internal initiatives. **Our Benefits** * **Health Insurance Allowance:** Monthly financial support to help cover your health insurance plan. * **Wellhub**, to keep your body and mind active—your way. * **Online Therapy**, fully covered by the company, because mental health matters. * **Online Nutrition Consultations**, up to two sessions per month to support your dietary health. * ️ **Life Insurance**, with a policy value of R$ 125,000, providing greater security for you and your family. * **Birthday Day Off**, because your day deserves to be special. * **Paid Time Off**, so you can recharge your energy. * **Internal Gamification**, turning achievements into rewards and recognition. * **Educational Partnerships**, with institutions such as FIAP, Anhanguera, and Instituto Infnet, to support your growth and learning. ***We value every voice and every individual, because we know diversity makes us more innovative and stronger.***