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Senior API Engineer

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IQZ Systems

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Location:
United States

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

We are looking for a hands-on Azure Application Developer / Senior API Engineer with strong experience in ASP.NET Web API and modern cloud practices on Microsoft Azure. You will design, build, and maintain scalable RESTful APIs and cloud-native services, contribute to application modernization, and collaborate closely with architects and engineering leads to implement well-structured solutions. This role is ideal for someone who enjoys coding, can make sound design decisions, and is ready to grow into broader solution/architecture ownership over time.

Job Responsibility:

  • Design, develop, and maintain RESTful APIs using ASP.NET Web API / .NET (Core/6+)
  • Build reliable backend services that support web and mobile applications
  • Implement API versioning, error handling, logging, and API documentation (Swagger/OpenAPI)
  • Develop and deploy services on Azure using components such as: Azure App Service, Azure Functions, API Management, Service Bus / Event Grid (event-driven patterns), Azure SQL / Cosmos DB (as applicable), Key Vault for secrets management
  • Contribute to modernization initiatives (e.g., migrating from on-prem/legacy to Azure)
  • Collaborate with architects/tech leads to implement scalable, maintainable API/service designs
  • Apply best practices for microservices, integration patterns, and cloud design principles (security, reliability, performance)
  • Participate in architecture/design reviews and propose improvements for service boundaries, resilience, and maintainability
  • Implement authentication/authorization using OAuth2, JWT, and Azure identity patterns (Azure AD/Entra ID concepts)
  • Ensure secure coding practices, encryption/data protection considerations, and compliance requirements as needed
  • Identify bottlenecks and improve performance (profiling, caching, query tuning, efficient serialization)
  • Work with CI/CD pipelines using Azure DevOps or GitHub Actions
  • Support Infrastructure as Code (IaC) practices using Bicep / Terraform / ARM (at least working familiarity
  • hands-on is a plus)
  • Write unit/integration tests and support automated testing within the pipeline
  • Participate in code reviews, support QA, and troubleshoot production issues using monitoring/logging tools
  • Work effectively with cross-functional teams: product owners, front-end engineers, QA, and cloud/infra teams

Requirements:

  • 5–7 years of experience in software development, with strong backend/API focus
  • 2+ years hands-on experience implementing solutions on Microsoft Azure
  • Strong proficiency in C#, .NET Core / .NET, and ASP.NET Web API
  • Experience designing and developing RESTful APIs (routing, versioning, serialization, Swagger/OpenAPI)
  • Solid understanding of HTTP, client-server architecture, and web services concepts
  • Strong database skills with Microsoft SQL Server / Azure SQL (schema design, query optimization)
  • API security experience: JWT, OAuth2, token-based authentication, role-based access concepts
  • Experience with Git and Agile development
  • Strong debugging, problem-solving, and communication skills

Nice to have:

  • Experience with microservices and event-driven architecture using Service Bus/Event Grid
  • Familiarity with AKS (Kubernetes) and containers (Docker) (not mandatory)
  • Experience with API Management, Logic Apps, or integration workflows
  • Familiarity with observability tools (Application Insights, logging/monitoring dashboards)
  • Exposure to front-end frameworks (Angular/React/Vue) is a plus
  • Azure certifications (AZ-204, AZ-305, DevOps) are a plus
What we offer:
  • Vigorous Growth: We grew 5x and doubled our workforce last year
  • EOE: We are committed to creating a diverse environment and proud to be an equal opportunity employer
  • Open Door Policy: Strong communication and transparency support a stress-free workplace
  • Always Learning: We’re hungry to better ourselves intellectually
  • Work on modern cloud and modernization projects
  • Collaborate with teams across US, India, Sri Lanka, Luxembourg
  • Grow into broader solution ownership and architecture responsibilities

Additional Information:

Job Posted:
February 18, 2026

Employment Type:
Fulltime
Work Type:
Remote work
Job Link Share:

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