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We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 7.400 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.
At CI&T, we are seeking a highly skilled and motivated Senior Fullstack Developer to join our team in Bra
Position Overview:
As a Senior Fullstack Developer, you will lead the design and implementation of scalable cloud-native applications using C#/.NET and AWS services. You'll architect event-driven systems, collaborate with cross-functional teams, and deliver high-impact solutions that follow 12-Factor App principles and modern software development practices.
Key Responsibilities
- Design and develop cloud-native applications following 12-Factor principles to ensure portability, scalability, and continuous deployment
- Architect and implement distributed systems leveraging C#/.NET backend technologies and Angular frontend frameworks on AWS infrastructure
- Create event-driven architectures using AWS EventBridge, Step Functions, Lambda, SNS, and SQS to build resilient, decoupled systems
- Lead technical decisions aligned with AWS Well-Architected Framework pillars, ensuring operational excellence, security, reliability, and cost optimization
- Implement comprehensive observability strategies using OpenTelemetry, CloudWatch, and X-Ray for proactive monitoring and continuous improvement
- Collaborate with Product Managers, UX Designers, and stakeholders to define requirements and ensure timely, high-quality software delivery
Required skills and qualifications
- Several software development experience with proven expertise in cloud-native application development
- Experience implementing 12-Factor App methodology in production environments
- Advanced proficiency in C#/.NET, TypeScript, and RESTful API development
- AWS expertise including EventBridge, Step Functions, Lambda, ECS/EKS, DynamoDB, and RDS Aurora
- Proficiency with Angular (v10+), TypeScript, HTML5, and CSS3
- Experience with microservices and event-driven architecture in production environments
- Strong DevSecOps background including container security practices
- Proficiency with both SQL and NoSQL database technologies
- Excellent cross-functional communication and collaboration skills
Nice-to-have Skills
- Multi-cloud experience with Azure and Google Cloud
- Advanced architectural patterns including Domain-Driven Design (DDD), CQRS, and Event Sourcing
- Container orchestration expertise with Kubernetes/EKS, Docker, and cloud-native deployment strategies
At CI&T, we believe in the power of Collaboration, Innovation & Transformation to create impactful digital solutions. Join our team where you'll leverage cutting-edge technologies including AI to solve complex business challenges. We foster a culture where your technical expertise will thrive in a supportive environment that values continuous learning and professional growth. Be part of a global team pushing the boundaries of what's possible in technology!
#LI-MJ1
#CloudDevelopment #FullstackDeveloper #AWSJobs #DotNETDeveloper #TechCareers
Our benefits:
-Health and dental insurance
-Meal and food allowance
-Childcare assistance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (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 course
-Partnerships with online learning platforms
-Language learning platform
And many more!
More details about our benefits here: https://ciandt.com/br/pt-br/carreiras
At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.
We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.
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