Senior Back End Engineer, Brazil

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.

We are looking for an experienced Back-End Engineer to lead the development of scalable, distributed systems on AWS. This role involves hands-on technical contribution and close collaboration with cross-functional teams. The ideal candidate brings expertise in cloud-native development, 12-Factor App principles, and event-driven architecture, along with strong communication and leadership skills.

Key Responsibilities

• Technical Leadership & Cloud-Native Architecture
• Design and implement 12-Factor cloud-native applications, ensuring portability, scalability, and continuous deployment.
• Build end-to-end distributed systems using C#/.NET and AWS-native services. (Experience with the latest versions of Angular is a plus.)
• Architect and orchestrate event-driven systems using AWS EventBridge, Step Functions, Lambda, SNS, and SQS.
• Promote stateless processes, effective configuration management, and backing services best practices for cloud deployment.
• Implement microservices architectures with clear service boundaries and asynchronous communication patterns.
• Collaborate with Product Managers, UX Designers, and other stakeholders to ensure the timely delivery of high-quality software.

Required Qualifications

• 3+ years of professional software development experience.
• Proven application of 12-Factor App methodology in production.
• Deep AWS knowledge, including EventBridge, Step Functions, Lambda, ECS/EKS, DynamoDB, RDS Aurora, and the Well-Architected Framework.
• Advanced skills in C#/.NET, TypeScript, and RESTful API development.
• Proficiency in Angular (v10+), TypeScript, HTML5, and CSS3.
• Experience with DevSecOps practices, including container security.
• Strong understanding of both SQL and NoSQL databases.
• Solid grasp of the SDLC, Git, CI/CD, and modern DevOps practices.
• Experience designing and deploying microservices and event-driven architectures in production.
• Ability to work effectively with colleagues from diverse disciplines and backgrounds.
• Strong verbal and written communication skills, with the ability to explain complex technical concepts to different audiences.

-Meal and food allowance

-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

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.