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Full Stack .NET Software Engineer

Mosaic

$125,000 - $145,000
Sep 5, 2025
Renton, WA, US
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Mosaic is looking to hire a Software Developer to analyze needs, design, write code, and develop, test, and implement software applications and interactive components. This individual will collaborate with Mosaic team members and subject matter experts to analyze business needs and infrastructure requirements and develop new or custom features.

Requirements

  • Experience developing Microsoft platform software and web applications, including: .NET, React, Typescript, SQL, and Web APIs.
  • Experience developing full-stack developer and Microsoft web applications.
  • Experience working with SaaS/PaaS platform development and customization.
  • Experience with learning/learner management enterprise platforms.
  • Familiarity with and ability to add AI into software development workflows.
  • Knowledge of design methodologies, tool sets, human-computer interaction, and web and software UI development.
  • Experience with Microsoft SharePoint front-end development.

Responsibilities

  • Analyze existing technology architecture and topologies to determine appropriate implementation strategies.
  • Design, develop, test, and implement custom software and database solutions for a full development lifecycle.
  • Validate design objectives and deliverables through meetings, user requirements, analysis of existing architecture, and other means.
  • Streamline and upgrade features, and functionality of applications as required.
  • Implement an array of technologies for disparate technical environments, as technical expert.
  • Ensure quality through testing, debugging code, problem resolution, and other means.
  • Research new technologies, read publications, maintain personal networks, participate in professional organizations and learning opportunities.

Other

  • Geographic flexibility: This position is open to candidates residing anywhere in the US.
  • Applicants must be authorized to work in the U.S. We are unable to engage in sponsorship or C2C for this role.
  • Occasional travel to client sites within the U.S may be required.
  • Must have 4-5 years' experience as a Full Stack .NET Developer
  • Solid written and verbal skills; ability to communicate at all levels of the organization.