Senior Software Engineer (.NET/C#)

Senior Software Engineer – Cloud Applications

Location: Remote (Seattle-based candidates only)

Salary Range: $131,700 – $168,500

Onsite Requirement: Monthly in-office collaboration in Seattle, WA

About the Role

Our Seattle-based client is seeking a Senior Software Engineer to lead the design and development of scalable, secure, and high-performance cloud applications on Microsoft Azure. This is a hands-on engineering role with a strong backend emphasis (approximately 85% backend / 15% frontend), ideal for someone who thrives in a collaborative and modern development environment.

Key Responsibilities

• Develop cloud-native services and web applications using .NET 8 / ASP.NET Core, C#, and Azure SQL Server.
• Build modern UI features with React and TypeScript.
• Design and evolve REST APIs and integrate with internal and external services.
• Implement logging, tracing, metrics, and alerting using Azure Application Insights.
• Automate workflows with Microsoft Office tools (Word, Excel, PowerPoint, Access).
• Use AI tools like GitHub Copilot and ChatGPT to enhance developer productivity (e.g., unit test generation, code conversion, documentation).
• Collaborate with DevOps and product teams to clarify requirements and deliver solutions.
• Follow secure-by-default practices and industry best standards.

Initial Projects (First 12–18 Months)

• Redesign a Word-based reporting application to align with updated branding guidelines.
• Build a utility to convert legacy documents into the new format.
• Ramp up on the architecture and integration of a core product with a third-party calculation engine.
• Lead a major refactor of a legacy application into a new platform, including a UI migration from Angular.js to React (in collaboration with a dedicated frontend developer).

Required Qualifications

• 10+ years of experience in software development, preferably in SaaS or similar environments.
• Strong expertise in C#, SQL Server, and Azure cloud services.
• Experience with React, Next.js, TypeScript, and Office automation.
• Familiarity with OAuth2/OIDC, Git, CI/CD pipelines, and Agile methodologies.
• Excellent problem-solving, documentation, and communication skills.

Tech Stack

• Backend: C#, .NET 8, ASP.NET Core, EF Core
• Frontend: React, Next.js, TypeScript
• Cloud/DevOps: Azure App Services, Azure Functions, Azure SQL
• Security: OAuth2/OIDC (Auth0)
• Automation: Office.js, VBA, Word/Excel/PowerPoint integrations

Benefits

• Medical, dental, and vision coverage for employees and dependents.
• 401(k) with company match and profit sharing.
• Paid time off (PTO), holidays, and parental leave.

Prime Team Partners is an equal opportunity employer. Prime Team Partners does not discriminate on the basis of race, color, religion, national origin, pregnancy status, gender, age, marital status, disability, medical condition, sexual orientation, or any other characteristics protected by applicable state or federal civil rights laws. For contract positions, hired candidates will be employed by Prime Team for the duration of the contract period and be eligible for our company benefits. Benefits include medical, dental and vision. Employees are covered at 75%. We offer a 401K after 6 months, we do not provide paid holidays or PTO, sick time is offered in accordance with local laws.