[30404] Mid-Level Full Stack Developer (.NET/Next.js), Brazil

Description

At CI\&T, we help major enterprises transform the potential of AI into real business impact through AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in agentic SDLC, application modernization, Data \& AI, martech, and business strategy. We are 8,000 CI\&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. **Important**: If you reside in the Metropolitan Region of Campinas, your presence at our city offices is mandatory, per the current attendance policy. We are seeking a professional to fill the position of ***Mid\-Level Full Stack Developer (.NET/Next.js)*** on our team, working with a major client in the food industry. **Responsibilities** * Participate in understanding technical requirements, actively contributing to inceptions, refinements, and solution definitions; * Develop, evolve, and maintain Full Stack applications using **.NET** on the backend and **Next.js** on the frontend; * Build and consume REST APIs, ensuring integration among platform services; * Develop responsive, performant, and scalable interfaces using **Next.js, React, and TypeScript**; * Implement automated tests to ensure delivery quality and reliability; * Conduct **Code Reviews**, promoting good development practices and code quality; * Analyze and resolve production environment incidents; * Participate in application deployment and maintenance processes; * Collaborate with multidisciplinary teams, ensuring technical alignment and continuous solution improvement. **You must have experience with** * .NET (.NET Core / .NET 6\+) * C\# * Next.js * React * TypeScript * Developing and consuming REST APIs * Entity Framework Core * SQL databases (SQL Server, MySQL, or PostgreSQL) * Automated testing (xUnit, NUnit, or Jest) * Git and GitHub * CI/CD * Cloud platforms: AWS or Azure * Developing responsive applications * Layered architecture and development best practices * SOLID principles and Design Patterns * Code quality and tools such as SonarQube (Quality Gate) * Technical refinement of user stories and solution definition * Communication and collaboration with multidisciplinary teams **It would be a plus if you have experience with** * Microservices * Docker and Kubernetes * Messaging systems (RabbitMQ, Kafka, or SQS) * Terraform or Infrastructure as Code * Observability (Grafana, Splunk, CloudWatch, or Datadog) * Redis * Clean Architecture * DDD (Domain\-Driven Design) * Azure DevOps * Integration and E2E testing * Experience with high-availability applications **Our benefits:** * Health and dental insurance; * Meal and food allowance; * Childcare assistance; * Extended parental leave; * Partnerships with gyms and health and wellness professionals via Wellhub (Gympass, TotalPass); * Profit Sharing Program (PLR); * Life insurance; * Continuous learning platform (CI\&T University); * Discount club; * Free online platform dedicated to physical, mental, and overall well-being; * Pregnancy and responsible parenting courses; * Partnerships with online course platforms; * Language learning platform; * And many more More details about our benefits here: https://ciandt.com/br/pt\-br/carreiras At CI\&T, inclusion begins at first contact. If you are a person with a disability, it is important to **submit your medical report during the selection process.** *Check which information must be included in the report* *by clicking here.* This way, we can ensure the support and accommodations you deserve. **If you do not yet have the qualifying medical report, don’t worry: we can support you in obtaining it.** We have a dedicated Health and Wellness team, inclusion specialists, and affinity groups who will accompany you at every stage. Count on us to walk this journey alongside you.