Senior Dot NET Developer - Azure - Microservices - AKS

Softthink Solutions Inc; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Softthink Solutions is seeking a Senior .NET Developer to design, develop, and modernize enterprise web services using C#, ASP.NET Core, and RESTful APIs in a cloud-native Azure environment.

You will build scalable microservices on AKS, implement CI/CD pipelines, ensure security best practices, and collaborate across engineering, QA, and DevOps teams in a remote, US-focused setting.

Qualifications

• Experience with C# and .NET enterprise apps
• Experience with ASP.NET Core and Web APIs
• Experience with Azure and AKS
• Experience with Azure SQL and performance tuning
• Experience integrating APIs via gateways
• Familiarity with CI/CD pipelines, Git, and Azure DevOps
• Experience with secure software development and authentication/authorization
• Strong communication and troubleshooting skills

Responsibilities

• Design, develop, and维护 enterprise apps using C#, .NET, ASP.NET Core and RESTful APIs.
• Develop scalable microservices and cloud-native apps on Azure and AKS.
• Design and maintain API integrations and secure service-to-service communications.
• Develop and optimize Azure SQL databases and data integration components.
• Participate in modernization, data migration, and performance improvement initiatives.
• Implement CI/CD pipelines and automated deployments using Azure DevOps or equivalent.
• Develop unit and integration tests and reusable components.
• Troubleshoot production defects and provide Tier 3 support.
• Follow secure coding practices and RBAC, encryption, and remediation.
• Participate in Agile ceremonies, code reviews, and release activities.
• Maintain architecture docs, API specs, deployment procedures, and runbooks.
• Collaborate with developers, QA, business analysts, and cloud infra teams.

Skills

C#

ASP.NET Core

RESTful APIs

Microservices

Azure

AKS

Azure SQL

SQL Server

Docker

Kubernetes

CI/CD

Git

Azure DevOps

Security

Tools

Azure DevOps

Docker

Kubernetes

API gateways

Job description

Senior .NET Developer – Azure / Microservices / AKS

Work Authorization: US Citizen

Location: Remote

Position Overview

We are seeking an experienced Senior .NET Developer to design, develop, modernize, and support enterprise web applications and cloud-native services. The ideal candidate will possess strong hands‑on experience with C#, .NET, Microsoft Azure, Azure Kubernetes Service (AKS), RESTful APIs, microservices, and Azure SQL. The selected candidate will play a key technical role in application modernization, system integrations, performance optimization, production deployments, and ongoing application support within a secure enterprise environment.

Key Responsibilities

• Design, develop, enhance, and maintain enterprise applications using C#, .NET, ASP.NET Core, and RESTful APIs.
• Develop scalable microservices and cloud-native applications deployed in Microsoft Azure and Azure Kubernetes Service (AKS).
• Design and maintain API integrations using API gateways, authentication mechanisms, and secure service-to-service communication.
• Develop and optimize Azure SQL databases, queries, stored procedures, and data integration components.
• Participate in application modernization, legacy system integration, data migration, and performance improvement initiatives.
• Implement CI/CD pipelines and automated deployments using Azure DevOps or equivalent tools.
• Develop unit tests, integration tests, and reusable software components.
• Troubleshoot complex application issues, resolve production defects, and provide Tier 3 technical support.
• Implement secure coding practices, role‑based access controls, encryption, and application security remediation.
• Participate in Agile ceremonies, sprint planning, code reviews, technical design discussions, and release activities.
• Maintain technical architecture documentation, API specifications, deployment procedures, and operational guides.
• Collaborate with developers, QA engineers, business analysts, and cloud infrastructure teams.

Required Qualifications

• Strong hands‑on experience developing enterprise applications using C# and .NET.
• Experience with ASP.NET Core, Web APIs, RESTful services, and microservices architecture.
• Practical experience with Microsoft Azure and Azure Kubernetes Service (AKS).
• Experience with Azure SQL, SQL Server, and database performance optimization.
• Experience developing and integrating APIs using API gateways.
• Familiarity with Docker, Kubernetes, CI/CD pipelines, Git, and Azure DevOps.
• Experience with automated unit testing, integration testing, and production troubleshooting.
• Strong understanding of secure software development, authentication, authorization, and application security.
• Excellent analytical, troubleshooting, documentation, and communication skills.

Preferred Qualifications

• 10+ years of professional software development experience.
• Experience modernizing enterprise or legacy applications.
• Experience with Esri ArcGIS or other GIS integrations.
• Familiarity with Section 508 accessibility requirements.
• Experience supporting cloud‑hosted applications with high availability and disaster recovery requirements.
• Experience working on Federal Government or other regulated enterprise projects.
• Familiarity with FedRAMP, NIST security controls, and MFA implementations

This is a remote position.