Senior .NET Software Developer

Advanced Solutions International Inc.United States,
$110,000 - $140,000Remote

About The Position

ASI is looking for a Senior .NET Software Developer: a creative and skilled engineer with a strong foundation in software performance and scalability. In this role you will build Microsoft-based software applications and products, with a particular focus on the performance and reliability of new software infrastructure. You will work exclusively within a .NET technology stack and partner closely with our software architects to deliver solutions that our clients can depend on.

Requirements

  • A bachelor’s degree in computer science, information science, or a related field, or equivalent experience.
  • 8+ years of experience developing integrated suites of full-featured web-based applications, including user interfaces, database access, and networked components.
  • Demonstrated knowledge of Microsoft tools and technologies: C#, .NET Core, .NET MVC, Entity Framework Core, SQL Server or Azure SQL, and Visual Studio.
  • A solid object-oriented analysis and design background, including automated unit and integration test writing, with proven experience implementing and testing high-quality software.
  • Experience benchmarking application page-turn and API endpoint performance using JMeter, WAPT, or similar tools.
  • Experience building and monitoring highly observable web applications using structured logging data, Azure Application Insights, and .NET Aspire.
  • The ability to analyze legacy code based on MS Web Forms, Web Apps, and Web API, the MS .NET Framework, and AngularJS.
  • Experience deploying and maintaining cloud-based applications in a DevOps environment using Azure platform services, including Azure Application Insights, Azure App Service, Azure Containers, and Azure SQL, or similar.
  • Experience implementing performance optimizations and tuning for legacy codebases and SQL schemas.
  • Solid interpersonal skills and strong written and verbal communication.
  • An excellent ability to collaborate with others, both in person and remotely.

Nice To Haves

  • Experience with non-Microsoft web application stacks, such as Java 8+, Spring and Hibernate, TypeScript, NodeJS, and Postgres or MySQL, may be considered in lieu of Microsoft technology experience. This role works exclusively with a .NET technology stack, with a focus on .NET Core.

Responsibilities

  • Collaborate with software architects on product development and on the performance and reliability of new software infrastructure.
  • Conduct code review, performance testing, and analysis across a range of software solutions, including legacy systems and microservices.
  • Meet project milestones and complete architecture and enabler stories within sprints, as specified by the architectural runway.
  • Work with the quality assurance team to integrate performance testing into the CI/CD pipeline, ensuring continuous performance validation.
  • Follow established standards and guidelines to deliver work that is high in quality and value to ASI and its customers.
  • Learn, follow, adapt, and apply SAFe Agile software principles.
  • Receive, act on, and contribute to constructive feedback in support of continuous process, product, and self-improvement.
  • Work with Technical Support to reproduce and resolve customer issues as needed.
  • Perform other job-related duties and responsibilities as assigned.

Benefits

  • Generous Paid Time Off
  • Medical, Dental, and Vision Insurance
  • Life and AD&D Insurance
  • Flexible Spending Account
  • Healthcare Savings Account
  • Wellness Benefits
  • 401k Retirement Plan with Discretionary Match
  • Opportunities for Professional Growth and Development
  • Volunteer Time Off
  • Study Leave
  • Employee Assistance Program
  • Hybrid Remote Work
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service