Senior .NET Full-Stack Engineer; Fully Remote

• Mission Telecom is seeking a Senior .NET Full-Stack Engineer to develop and support software systems, integrations, and automations across the organization.
• The central focus is Mission Connect, a custom business application supporting sales, customer management, billing, payments, fulfillment, and operational workflows.
• This role reports to the CTO and works directly with leadership and business stakeholders.

Key Responsibilities:

• Design, develop, test, and support applications using C#, .NET, ASP.NET Core, Blazor Server, and related technologies.
• Build and maintain secure integrations with third-party systems using REST APIs, webhooks, and SDKs.
• Own database design, Azure operations, CI/CD, and automated testing for business-critical workflows.

What You'll Need:

• 7+ years of professional software development experience with advanced proficiency in C#, .NET, and ASP.NET Core.
• Proven ability to design, build, and support REST APIs and integrations with third-party business systems.
• Experience with PostgreSQL, application security, cloud-hosted applications, and CI/CD pipelines.

Compensation and Benefits:

• Annual salary of $120,000 to $140,000 based on experience.
• Fully paid medical, dental, vision, disability, life insurance, and 401(k) with Safe Harbor contribution.
• Unlimited PTO plus 14 paid holidays per year.

Mission Telecom is a 501(c)(4) nonprofit wireless broadband provider and grantmaking foundation that partners with nonprofits, schools, and libraries to close the digital divide. They foster an environment of innovation, collaboration, and purpose-driven work.