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Senior .NET Software Developer

3 weeks ago


Springfield, Illinois, United States SAVVY Technology Solutions LLC Full time

About the Role

We are seeking a highly skilled
Senior .NET Software Developer
to help design, build, and maintain enterprise-grade applications within our modern Microsoft-based ecosystem. This role is ideal for a full-stack developer who excels across both front-end and back-end technologies, thrives in Agile teams, and is passionate about building secure, scalable, and high-performing solutions.

You will work on impactful projects, collaborating with cross-functional teams to deliver applications that meet strict performance, compliance, and user-experience standards.

Application Development

  • Design and develop .NET web applications using
    C#, ASP.NET MVC, and Razor Pages
    .
  • Build clean, reusable, and maintainable code using
    OOP
    and
    SOLID
    principles.
  • Create modern, responsive interfaces with
    Angular, TypeScript, JavaScript, HTML5, and CSS3
    .
  • Integrate front-end and back-end systems using
    RESTful APIs
    and
    Entity Framework
    .
  • Perform code reviews, debugging, and performance tuning.
  • Follow
    secure coding
    and
    OWASP
    best practices.

Database Development and Optimization:

  • Develop and optimize
    SQL Server
    queries, stored procedures, functions, and triggers.
  • Design efficient relational schemas using normalization up to
    3NF
    .
  • Optimize performance through indexing, tuning, and collaboration with DBAs.
  • Use
    Entity Framework
    and
    LINQ
    to build efficient data access layers.

Integration & Middleware

  • Build and maintain
    RESTful APIs
    and microservices for internal and external integrations.
  • Implement authentication/authorization via
    OAuth 2.0
    ,
    OpenID Connect
    , and
    Azure Active Directory
    .
  • Ensure reliable data exchange, logging, and transaction management.

Azure Cloud & DevOps:

  • Deploy and manage applications using
    Azure App Services
    ,
    Azure SQL
    ,
    Storage Accounts
    , and
    Application Insights
    .
  • Optimize cloud environments for scalability, security, and performance.
  • Build CI/CD pipelines with
    Azure DevOps
    and support IaC using
    ARM
    or
    Terraform
    .

Collaboration, Agile Delivery, and Documentation:

  • Participate in Agile ceremonies: sprint planning, stand-ups, grooming, and retrospectives.
  • Work with designers, QA, BAs, and product owners to deliver cohesive solutions.
  • Maintain technical documentation and support knowledge sharing.

Skills and Qualifications:

  • 5+ years
    developing C#, ASP.NET MVC/Razor Pages, and .NET web applications.
  • 3+ years
    with SQL Server (queries, stored procedures, triggers).
  • Strong grasp of
    database normalization (1NF–3NF)
    and relational modeling.
  • Proficiency with
    Angular, TypeScript, JavaScript, HTML5, CSS3
    .
  • Experience with
    Entity Framework
    ,
    LINQ
    , and scalable data access design.
  • Hands-on experience deploying to
    Azure Cloud
    .
  • Familiarity with CI/CD, Git, GitHub, or Azure Repos.
  • Understanding of
    OAuth, JWT, and Azure AD
    .
  • Experience with unit testing frameworks (xUnit, NUnit, MSTest).
  • Strong troubleshooting, communication, and documentation skills.
  • Ability to manage multiple priorities and adapt to evolving requirements.