Na CI&T , ajudamos grandes empresas a transformar o potencial da AI em impacto real nos negócios com AI Deployment, execução AI-native e tech-integrated business solutions.
Com 30 anos de experiência em transformação tecnológica, aceleramos inovação com expertise em agentic SDLC, application modernization, Data & AI, martech e business strategy.
Somos 8.000 CI&Ters em mais de 25 países, colaborando para construir soluções com impacto real. AI já faz parte da forma como trabalhamos, evoluímos e inovamos todos os dias.
We're looking for a Mid Fullstack .NET Developer to maintain and evolve a set of .NET applications. You will be responsible for the entire ecosystem of a specific business line for our client, work closely with the systems/solutions architect, and maintain daily contact with native English-speaking stakeholders.
For this position, the candidate must have experience using AI in their daily work to boost productivity.This will be the most important differentiator among the candidates.
The position has a strong focus on enhancing, modernizing and automating workflows. The candidate must be experienced in working on CI/CD pipelines, databases, and AWS infrastructure. Experience on migrating to newer .NET Core versions is a huge differential.
The UI of this set of applications are built with Angular and Vue.js, with some Node.js components for backend services.
Responsibilities:
- Maintain and improve existing .NET Core applications.
- Execute .NET Core upgrades and vulnerabilities mitigations.
- Evolve APIs and work with multiple external/internal integrations.
- Work with containerized applications using Docker.
- Use Bitbucket, CI/CD, and automated tests as part of the delivery workflow.
- Collaborate with stakeholders to discuss and prioritize tasks and clarify requirements.
- Mentor junior developers.
Improve the team productivity with AI.
Requirements:
- 3+ years of experience with .NET Core (C#) and web development.
- Strong experience with SQL and PostgreSQL databases.
- Experience with Angular and/or Vue in production environments.
- Experience with AWS services (RDS, EC2, Fargate, S3, etc.).
- Proficiency with Docker and containerization.
- Experience with relational databases and integrations with third-party APIs.
- Comfortable with Bitbucket/Git and automated testing.
- Fluent English and strong communication/relationship skills.
Nice to Have:
- Experience with AWS platform.
- Experience with Azure cloud platform.
- Knowledge of Strapi CMS.
- React experience.
- Experience with Mailgun or similar email service providers.
Skills Required
- 3+ years of experience with .NET Core, C#, and web development
- Strong experience with SQL and PostgreSQL databases
- Production experience with Angular and/or Vue.js
- Experience with AWS services, including RDS, EC2, Fargate, and S3
- Proficiency with Docker and containerization
- Experience with relational databases and third-party API integrations
- Experience with Bitbucket or Git and automated testing
- Fluent English and strong communication and relationship skills
- Experience with the AWS platform
- Experience with the Azure cloud platform
- Knowledge of Strapi CMS
- Experience with React
- Experience with Mailgun or similar email service providers
What We Do
CI&T is your end-to-end digital transformation partner. As a digital native, we bring a 27-year track record of accelerating business impact through complete and scalable digital solutions. With a global presence of 6,000+ professionals in strategy, research, data science, design and engineering, we unlock top-line growth, improve customer experience and drive operational efficiency.







