Lead the modernization of a legacy system by defining and implementing a migration strategy to a cloud-native architecture on AWS.
Design and implement AI agents capable of interacting with modernized systems, automating business processes, and supporting complex workflows.
Define and implement microservices-oriented architectures and RESTful APIs, ensuring scalability, resilience, and high availability.
Design solutions based on RAG (Retrieval-Augmented Generation), integrating modernized relational databases, vector stores, and AI services to enrich agents' context.
Implement observability patterns (logs, metrics, distributed tracing) and continuous monitoring in AWS environments.
Define strategies for refactoring, reengineering, and decoupling legacy components.
Ensure security, governance, and compliance across the development lifecycle by applying DevSecOps best practices.
Act as a technical reference, supporting architectural decisions and contributing to the platform's strategic evolution.
Requirements
Solid experience in backend development with .NET Core / .NET 6+ or similar frameworks.
Proven experience in modernizing legacy systems (replatforming, refactoring, rearchitecting).
Experience with relational databases (including Sybase, SQL Server, or similar) and data migration strategies.
Knowledge of cloud-native architecture on AWS (ECS/EKS, Lambda, API Gateway, RDS, S3, IAM, CloudWatch).
Experience building and integrating AI agents, including orchestration, prompt chaining, and integration with external APIs.
Experience with architectural patterns such as microservices, event-driven architecture, and messaging systems.
Knowledge of CI/CD practices and infrastructure as code (e.g., Terraform, CloudFormation).
Experience with containers (Docker) and orchestration.
Tech Stack
AWS
Cloud
Docker
SQL
Terraform
.NET
Benefits
Health and dental insurance;
Meal and food allowance;
Childcare assistance;
Extended parental leave;
Partnerships with gyms and health & wellness professionals via Wellhub (Gympass) / TotalPass;
Profit Sharing (PLR);
Life insurance;
Continuous learning platform (CI&T University);
Discount club;
Free online platform dedicated to promoting physical and mental health and well-being;