Job Summary: Senior Backend Developer to work on the development and evolution of an educational technology platform, in challenging projects and a collaborative environment. Key Highlights: 1. Work on the development and maintenance of the backend of an educational platform 2. Create and evolve APIs and services 3. Propose technical and performance improvements **Senior Backend Developer (Contractor) – Hybrid | Campinas/SP** We are looking for a Senior Backend Developer to work on the development and evolution of a platform in the educational technology sector. If you seek to work on challenging projects, with technical autonomy and in a collaborative environment, this opportunity may be for you. **Responsibilities** * Work on the development and maintenance of the backend of an educational platform * Create and evolve APIs and services * Propose technical and performance improvements * Collaborate with the development team in an agile environment * Ensure delivery quality and stability **Requirements** * Experience with C# * ASP.NET MVC * Web API * SQL Server * Git * Object-Oriented Programming (OOP) **Nice-to-Haves** * MongoDB knowledge * Redis * NHibernate * React or Vue.js knowledge **Desired Profile** * Proactive problem-solving * Commitment to quality and deadlines * Strong communication and teamwork skills **Job Details** * Employment type: Contractor (PJ) * Work model: Hybrid * Location: Campinas/SP * Salary: To be negotiated * 20 paid days off per year * Annual bonus up to 1 monthly salary * Birthday day off * Life insurance * Benefits via Ifood Benefits (discounts with providers, gyms, pharmacies, and telemedicine) Job type: Full-time CLT Pay: R$5.000,00 - R$10.000,00 per month Screening Question(s): * Do you have experience developing with C# and ASP.NET MVC? * What is your experience developing APIs (Web API)? * Do you have experience with SQL Server? * Do you have experience with version control using Git? * Have you worked with MongoDB, Redis, or NHibernate? * Do you have knowledge of React or Vue.js? * Do you reside in the Campinas/SP region? * What is your expected salary under the PJ model? Work location: Hybrid remote work for Campinas, SP