Full stack Engineer - C#, .NET

E-Solutions, Inc.; Kirkland (WA); On-site; USD 120,000 - 150,000; Full time

Job summary

E-Solutions, Inc. in Redmond, WA is seeking a senior, customer-obsessed Full Stack Engineer to deliver white-glove technical service across C#, .NET, JavaScript/TypeScript, and React.

In this onsite role you will troubleshoot complex issues, coordinate with product and engineering teams, and document solutions to ensure timely, high‑quality resolutions for our partners.

Qualifications

• Bachelor’s degree in computer science or equivalent experience.
• Experience supporting enterprise applications.
• Familiarity with Microsoft Dynamics 365.
• Strong SQL and database troubleshooting skills.
• Experience with full-stack development using C#, .NET, JavaScript/TypeScript, and React.
• Proficient in prompt AI engineering, CoPilot and prompt techniques.
• Strong analytical, troubleshooting, communication, and customer service skills.

Responsibilities

• Troubleshoot application, database, and integration issues, performing root cause analysis and implementing fixes.
• Develop and maintain application enhancements using full-stack technologies.
• Route and coordinate partner issues with the appropriate engineering teams.
• Partner with Product Management and Engineering teams to investigate issues, communicate progress, and drive timely resolution.
• Document solutions and contribute to knowledge sharing.

Skills

C#, .NET

JavaScript / TypeScript

React

SQL & Database Troubleshooting

Microsoft Dynamics 365

Enterprise Application Support

Prompt Engineering / Copilot / AI Eng

Customer-facing support

Education

Bachelor’s degree in computer science or equivalent experience

Job description

Title: Full stack Engineer - C#, .NET

Location: Redmond, WA (Onsite)

Duration: Long-Term Contract - W2

Key Skills Required

• C#, .NET
• JavaScript / TypeScript
• React
• SQL & Database Troubleshooting
• Microsoft Dynamics 365
• Enterprise Application Support
• Prompt Engineering / Copilot / AI Engineering
• Strong troubleshooting and customer-facing support experience

Preferred Skills

• Azure, Azure DevOps, CI/CD
• Power Platform
• REST APIs
• Agile Development

Job Description:

We are looking for senior customer-Obsessed Full stack Engineer to support our partners by delivering exceptional technical service including white-glove support. The ideal candidate is responsive, detail-oriented, and committed to providing timely communication, proactive issue resolution, and a high-quality support experience. This role requires close collaboration with Product and Engineering teams to ensure partner issues are prioritized, tracked, and resolved efficiently. The Support Engineer must also be highly technical and possess strong programming skills to effectively troubleshoot complex issues, analyze system behavior, and collaborate with engineering teams on technical solutions.

Responsibilities

• Troubleshoot application, database, and integration issues, performing root cause analysis and implementing fixes.
• Develop and maintain application enhancements using full-stack technologies.
• Route and coordinate partner issues with the appropriate engineering teams.
• Partner with Product Management and Engineering teams to investigate issues, communicate progress, and drive timely resolution.
• Document solutions and contribute to knowledge sharing.

Required Qualifications

• Bachelor’s degree in computer science or equivalent experience.
• Experience supporting enterprise applications.
• Familiarity with Microsoft Dynamics 365.
• Strong SQL and database troubleshooting skills.
• Experience with full-stack development using technologies such as C#, .NET, JavaScript/TypeScript, and React.
• Skilled in Prompt AI engineering, CoPilot and prompt engineering techniques to accelerate troubleshooting, analysis, and engineering productivity.
• Strong analytical, troubleshooting, communication, and customer service skills.

Preferred Qualifications

• Experience with Azure, Azure DevOps, and CI/CD.
• Familiarity with Power Platform, REST APIs, and modern application architectures.
• Experience working in Agile development environments