.NET Architect (AWS & Cloud Modernization) Remote (Brazil-based) Candidates must be resident in Brazil and eligible to work remotely from within the country. Salary: $7,000-9,000 per month, depending on experience and qualifications. Overview: We are seeking a highly experienced .NET Architect with deep expertise in AWS Cloud Services and modern software engineering practices. The ideal candidate will lead the modernization of existing applications, architect scalable and cost-efficient solutions, and drive performance optimization through effective use of .NET Core and AWS tools. Key Responsibilities: Architecture & Design Define, design, and implement cloud-native and hybrid architectures leveraging .NET Core and AWS services. Lead modernization initiatives, re-platforming legacy .NET applications into scalable, containerized, or serverless solutions. Establish and enforce coding, security, and performance standards aligned with best practices. Cloud & Infrastructure Architect and optimize workloads on AWS, leveraging services such as ECS, EKS, Lambda, API Gateway, S3, RDS, DynamoDB, CloudWatch, etc. Collaborate with DevOps teams to deliver robust CI/CD pipelines using GitHub Actions, AWS CodePipeline, Jenkins, or similar tools. Drive cost optimization strategies to reduce cloud spend while maintaining performance and reliability. Performance & Monitoring Implement comprehensive observability and monitoring using Prometheus, Grafana, and AWS CloudWatch. Identify and eliminate performance bottlenecks, ensuring low-latency, high-availability systems. Collaboration & Leadership Partner with cross-functional teams to ensure scalable, consistent, and maintainable architecture. Act as a subject matter expert in architectural decision-making and technology direction. Key Skills & Experience: Core Technical Expertise 10+ years of experience in software engineering, with advanced knowledge of .NET Framework and .NET Core, Web APIs, and microservices. Proven experience architecting and deploying workloads on AWS. Hands-on experience with containerization and orchestration (e.g., Docker, Kubernetes, Amazon EKS ). Cloud & DevOps Proficiency in Infrastructure as Code (IaC) tools such as Terraform, AWS CloudFormation, or AWS CDK. Experience implementing CI/CD pipelines and automating deployments. Monitoring & Observability Practical experience with Prometheus and Grafana for metrics and dashboards. Deep understanding of performance tuning, logging, and distributed tracing in cloud environments. Desirable Experience Familiarity with serverless architectures (AWS Lambda, SNS, SQS). Knowledge of database performance tuning (SQL and NoSQL). Experience with API security, OAuth2/JWT, and distributed caching (Redis, Elasticache).