Unison

.NET Senior Software Engineer

Unison

full-time

Posted on:

Location Type: Remote

Location: United States

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Job Level

Senior

Tech Stack

ASP.NETJavaScript.NETOracleReactSQLSubversion

About the role

  • Lead the design and development of enterprise web applications using C#, ASP.NET, .NET Core, Web API, JavaScript, and React
  • Architect and implement scalable RESTful APIs and modern client-side applications using React
  • Drive modernization efforts, including migration of legacy ASP.NET Web Forms / MVC applications to .NET Core
  • Define and enforce coding standards, architectural patterns, and best practices across the team
  • Design and implement reusable frameworks, shared libraries, and platform-level components
  • Lead and participate in code reviews, providing constructive technical guidance and ensuring security and quality standards
  • Mentor junior and intermediate engineers through design reviews, pair programming, and technical coaching
  • Collaborate with DevOps and Security teams to improve CI/CD pipelines, application monitoring, and deployment strategies
  • Contribute to technical architecture discussions, trade-off analysis, and long-term platform strategy
  • Lead root-cause analysis for complex production issues and drive preventative solutions
  • Partner with Product Owners and stakeholders to translate business requirements into scalable technical solutions
  • Communicate technical risks, dependencies, and progress effectively to leadership

Requirements

  • Bachelor's degree in Computer Science, Engineering, or a related field
  • 7+ years of professional software development experience
  • Deep expertise in: C#, ASP.NET, .NET Framework, and .NET Core
  • ASP.NET Web API and RESTful service design
  • Strong experience building and maintaining React-based front-end applications
  • Proven experience designing enterprise-scale application architectures
  • Extensive experience with relational databases: SQL Server and/or Oracle (PL/SQL strongly preferred)
  • Strong understanding of: Object-oriented design principles and patterns
  • SOLID principles and clean architecture
  • Experience using source control systems, including: SVN (Subversion) and Git
  • Hands-on experience implementing: Logging, monitoring, and error-handling frameworks
  • Application performance tuning and optimization
  • Experience working in Agile/Scrum environments with cross-functional teams
  • Experience leading or contributing to large-scale modernization initiatives
  • Strong familiarity with CI/CD tools such as TeamCity and Octopus Deploy
  • Experience with OpenAPI / Swagger and API versioning strategies
  • Exposure to DevSecOps practices, secure coding standards, and vulnerability remediation
  • Experience with centralized configuration and feature-flag frameworks
  • Experience with automated testing strategies, performance testing, and load testing
  • Prior experience working on SaaS or highly regulated enterprise platforms.
Benefits
  • Health insurance
  • Professional development opportunities
  • Remote work options

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
C#ASP.NET.NET CoreWeb APIJavaScriptReactSQL ServerPL/SQLObject-oriented designSOLID principles
Soft skills
leadershipmentoringcollaborationcommunicationtechnical guidanceproblem-solvingcode reviewtechnical coachingstakeholder engagementroot-cause analysis