Senior Dot NET Developer - Azure - Microservices - AKS

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

Softthink Solutions’ mission is to drive continuous innovation in IT services by prioritizing product development and implementing trustworthy computing practices. Our focus on secure and reliable product delivery is backed by sound business practices and a commitment to the long-term satisfaction of our clients in every project, regardless of its size or complexity.

Through our innovative solutions and dedicated team of experts, we strive to exceed our clients’ expectations and set the standard for excellence in the IT industry.

At Softthink Solutions, our vision is to be a trusted partner for our clients, empowering them to bring their ideas to life in the most efficient and effective manner possible. We are committed to using established best practices, industry-standard processes, and cutting-edge technology to deliver top-notch solutions that exceed expectations.

Our goal is to be recognized as leaders in the industry for our innovative, reliable, and secure IT services and solutions, and to drive the success of our clients through every project we undertake.

STSI is an independent US-based Software services and consulting partner with a primary focus on long-term relationships with both clients and team members.

STSI offers team members cutting-edge technology, training, and career guidance to expand and grow their skill sets and bring maximum value to our clients.

STSI is constantly reviewing and expanding its people strength and strives to optimally match client needs to team member talents. We are a people-oriented company seeking the best and brightest to join our team. We work with a variety of employment statuses – from citizens to permanent residents to H1B and EAD immigrants. We have openings for entry level as well as senior positions across a variety of specializations with active in-house and client projects.

In an industry that’s constantly reinventing itself, STSI challenges its team members and consultants with engagements that involve specialized services and advanced IT solutions – applying agile development principles, methodical planning, creative thinking, and continuous learning. A dynamic environment keeps our team members ahead of the curve by providing: