Sr Fullstack .Net Developer

Resilientco

Argentina Remote contract

Posted: April 7, 2026

Required Skills

Job Description

We are seeking a senior Sr Fullstack .Net Developer B to design, build, and deliver modern cloud-based applications on Azure. This role is critical to implementing scalable, secure solutions that follow established enterprise patterns and standards while collaborating closely with JM Family technical leads and a team-level technical lead.

This position offers the opportunity to work across the stack—implementing REST APIs, microservices, and front/back-end business logic—while applying deep .NET and Azure expertise, participating in CI/CD and infrastructure-as-code, and contributing to an Agile delivery process.

Responsibilities:
• Design and implement modern REST-based APIs and microservices using .NET and C# .

• Develop and deploy cloud-based applications leveraging Azure PaaS and Azure Containers.

• Implement serverless solutions using Azure Functions and integrate with Logic Apps and API Management.

• Build and maintain CI/CD pipelines using Azure DevOps, Bicep, and ARM templates.

• Debug and troubleshoot complex C# .NET applications using MS Visual Studio.

• Participate in code reviews, performance tuning, unit testing, and integration testing to ensure high-quality software.

• Collaborate with Product Owners, DevOps, Security, QA, project managers, and business analysts in an Agile environment.

• Work with Azure Cosmos DB for data storage and access patterns.

• Ensure best practices in design, coding, deployment, and engineering standards are followed.

Requirements:
• Bachelor’s degree in Computer Science, Engineering, or related technical field experience.

• 7+ years of .NET and C# programming experience.

• 4+ years of Azure cloud experience with hands-on use of Azure Functions, Logic Apps, and API Management.

• Practical experience with microservices, event-driven development, and n-tier architectures.

• Experience implementing CI/CD pipelines using Azure DevOps, Bicep, and ARM templates.

• Experience with Azure PaaS offerings and Azure Containers.

• Experience working with Azure Cosmos DB.

• Proficiency in unit testing methodologies, code coverage practices, and integration testing.

• Strong knowledge of data structures and algorithms.

• Demonstrated critical thinking and problem-solving skills on large programs.

• Ability to learn and apply enterprise patterns and standards while collaborating with technical leads.

Nice to have:
• Experience working in Agile and DevOps environments.

• Familiarity with 3rd-party API integrations and Web UI interactions.

• Experience with large company IT and building from existing frameworks.

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