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.NET Developer Job Description (2026): Duties, Skills and Salary

A .NET developer builds and maintains applications on Microsoft's platform, usually in C#. The work spans ASP.NET Core APIs and web apps, background services and sometimes WPF or legacy .NET Framework systems that still run core business processes, plus the SQL Server or Azure SQL databases behind them.

.NET developers work in insurance, banking, retail and internal enterprise tooling as often as in product companies, so a lot of the job is understanding an existing codebase and making safe changes to it. Azure or AWS, Entity Framework, and some front-end exposure through Angular, React or Blazor round out the toolkit.

.NET Developer job description template

Copy it, replace everything in [brackets] and cut what doesn't apply. Keep the requirements to what the job really needs.

Template · replace the [brackets]

.NET Developer

[Company] · [City and office days, or remote with the countries or time zones you hire in] · [Full-time]

About [Company]

[Two or three sentences on what your company does, who it serves and why this team matters now.]

About the role

[Company] is hiring a .NET developer to build and maintain [product/system] in C# and ASP.NET Core. You'll work across the API, the database and [front-end framework], and help keep [system] reliable as it grows.

What you'll do

  • Design and build APIs and services in C# and ASP.NET Core.
  • Write and optimize SQL Server queries, stored procedures and Entity Framework models.
  • Fix bugs and extend features in [existing system], including legacy .NET Framework code where needed.
  • Write unit and integration tests, and review teammates' pull requests.
  • Deploy and monitor services on [Azure / AWS], including CI/CD pipelines.
  • Work with [front-end framework, e.g. Angular, React or Blazor] on shared features.
  • Participate in sprint planning and estimate work with the team.
  • Document APIs and architecture decisions for [team].

What you'll bring

  • [X]+ years building applications in C# and .NET (Framework and/or Core).
  • Experience with ASP.NET Core Web API or MVC.
  • Solid SQL Server skills, including writing performant queries.
  • Familiarity with Entity Framework or another ORM.
  • Experience with Git and a CI/CD pipeline.
  • Understanding of object-oriented design and basic design patterns.
  • Clear communication with QA, product and other developers.

Nice to have

  • Azure services such as App Service, Functions or Service Bus.
  • Front-end experience with Angular, React or Blazor.
  • Experience with microservices or message queues.
  • Exposure to Docker and container-based deployments.
  • Knowledge of [domain, e.g. insurance, logistics or finance].

What we offer

  • [Pay range: e.g. $X–$Y base salary, plus bonus or equity if offered]
  • [Health insurance, 401(k) match, certification reimbursement, hybrid schedule]
  • [Health cover, retirement or pension plan, paid time off, parental leave]
  • [Work authorization: whether you can sponsor a visa or hire through an employer of record]

[Our process: a recruiter call, a take-home or live coding exercise in C#, a technical interview on architecture and SQL, and a final conversation with the team.]

[Your equal opportunity statement, and how candidates can ask for adjustments during the process]

Put the pay range in the ad. Several US states, including California, Colorado, New York and Washington, require it in job postings, and the EU Pay Transparency Directive gives applicants the right to know the starting pay or its range before the interview.

.NET Developer duties by seniority

What the job usually looks like at each level. Pitch the ad at one level and say which in the title.

Junior

  • Fixes bugs and builds small features with code review support.
  • Writes SQL queries and basic unit tests under guidance.
  • Learns the codebase, its conventions and the deployment process.

Mid-level

  • Owns features end to end, from API to database to deployment.
  • Designs schema changes and reviews other developers' pull requests.
  • Troubleshoots production issues and improves performance.

Senior

  • Designs system architecture and sets coding standards for the team.
  • Leads technical decisions on frameworks, integrations and scaling.
  • Mentors developers and works with leadership on technical roadmap.

.NET Developer career path

  1. .NET Developer
  2. Senior .NET Developer
  3. Lead Developer
  4. Software Architect or Engineering Manager

.NET developer is a common path for computer science graduates and bootcamp grads who land in Microsoft-stack shops, and for developers moving over from VB.NET or classic ASP.NET systems. From here people move into architecture, engineering management, or other backend stacks once the fundamentals transfer.

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.NET Developer job description FAQ

What does a .NET developer do?

Builds and maintains applications in C# and ASP.NET Core, writes the SQL behind them, and works with a front-end framework when the role includes full-stack work. Much of the job is extending and fixing existing enterprise systems.

What skills should a .NET developer job description require?

C#, ASP.NET Core, SQL Server and an ORM like Entity Framework are the core. Azure experience, a front-end framework and CI/CD familiarity are common additions depending on the team's stack.

Is .NET developer a good entry-level role?

Yes, many companies hire junior .NET developers straight from a CS degree or bootcamp, especially in industries that run on Microsoft stacks like insurance and banking. State the .NET version and framework mix so applicants know what they're walking into.