OZ

.NET/AWS Architect

OZ

full-time

Posted on:

Location Type: Remote

Location: Argentina

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Job Level

SeniorLead

Tech Stack

AWSAzureCloudEC2.NETPostgresSQLTerraform

About the role

  • Own and resolve complex technical challenges while leading architecture decisions across teams.
  • Translate business requirements into scalable, secure .NET and cloud-native solutions.
  • Define backend and API architecture aligned with AWS Well-Architected Framework principles.
  • Design high-performance REST APIs using async patterns and optimized data contracts.
  • Implement secure authentication, authorization, and API throttling using OAuth 2.0.
  • Architect reliable webhook and event-driven integrations with idempotency and retry mechanisms.
  • Design highly available AWS infrastructure using API Gateway, ALB, Auto Scaling, and RDS.
  • Establish API standards and OpenAPI specifications for parallel development.
  • Enforce coding standards, perform architecture reviews, and mentor engineering teams.
  • Design, build and manage CI/CD pipelines for automated cloud deployments.
  • Define disaster recovery, backup strategies, and system resiliency targets (RTO/RPO).
  • Implement centralized logging, monitoring, and alerting for production readiness.
  • Drive on-time delivery while maintaining strong stakeholders and client engagement.
  • Analyze business workflows to continuously optimize system performance.

Requirements

  • 10+ years in backend engineering.
  • 5+ years working with AWS.
  • Prior experience as an architect or lead on API centric B2B integration projects.
  • Strong experience with .NET 6/7/8 (Web API, async programming, dependency injection, middleware).
  • Deep understanding of RESTful API design, Swagger/OpenAPI standards, and integration patterns (Webhooks, Polling, Events).
  • OAuth 2.0 flows, Scopes, Token Validation, and API security best practices.
  • Deep knowledge of API Gateway, ECS/EC2, RDS (SQL/Postgres), IAM, CloudWatch, and Secrets Manager
  • Proficiency in Terraform or AWS CDK.
  • Experience with tools such as GitHub Actions or Azure DevOps.
  • Strong SQL experience (schema design, optimization).
  • Experience designing systems for high availability (Multi-AZ) and defining RTO/RPO targets.
  • Qualifications:
  • Bachelor's or Master's degree in Computer Science, Information Systems, or a related field.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
.NET 6.NET 7.NET 8REST API designOAuth 2.0TerraformAWS CDKSQLasync programmingdependency injection
Soft Skills
leadershipmentoringstakeholder engagementproblem-solvingcommunication