Senior Software Developer (.NET)

Qualifications

• Experience developing applications using C# and the .NET/.NET Core ecosystem.
• Advanced experience building solutions with ASP.NET Core, including Web API and MVC.
• Strong understanding of RESTful API design and experience integrating with distributed systems and microservices.
• Experience working with Entity Framework Core or other ORM frameworks.
• Strong experience developing with JavaScript/TypeScript.
• Hands‑on experience with modern front‑end frameworks such as React; additional experience with Angular, AngularJS, or jQuery is a plus.
• Ability to work both independently and as part of a collaborative team.
• Demonstrated experience providing work item estimates for tasks and features.
• Ability to manage time effectively and meet agreed‑upon deadlines.
• Experience preparing and maintaining technical documentation for applications and systems.

Optional Desired Qualifications

• Experience working within a Scrum/Agile team, including an understanding of various Scrum roles.
• Experience writing User Stories and acceptance criteria.
• Familiarity with Git and tools such as Azure DevOps, GitHub, Jira, Bitbucket, Confluence, or Bamboo.
• Experience with test‑driven development (TDD) using frameworks such as xUnit, NUnit, or Selenium.
• Experience with creating and reviewing design documentation.
• Basic knowledge of SQL Server, PostgreSQL, RabbitMQ, Azure Service Bus, IdentityServer, Quartz.NET, or other related libraries and tools.
• Experience with build and dependency tools like MSBuild, NuGet, or Cake.
• Experience building applications using Razor Pages, Blazor, ASP.NET Core MVC, or Web Services (REST/SOAP).
• Good understanding of HTML, CSS, AJAX, and general front‑end integration concepts.
• Familiarity with cloud platforms, preferably Azure, including services like App Service, Functions, Storage, Key Vault, ARM/Bicep, and Monitoring.
• Experience with automation tools such as Ansible, Terraform, Puppet, or Chef.
• Experience with containerization using Docker and orchestration frameworks like Kubernetes, AKS, or EKS.
• Experience working within Linux and Windows Server environments.

Education and Certifications

Qualifications

• If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!
• TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.