Sr. Software Developer (.Net)

The Software Engineer / Developer III is responsible for designing, developing, testing, and maintaining enterprise-grade applications using Microsoft .NET technologies. This role applies mid-level technical expertise to build scalable, secure, and high-performing applications in support of business, scientific, and technical domains. The Software Engineer / Developer III collaborates with stakeholders to define system requirements, design solutions, and support full lifecycle development using modern software engineering practices.

Design, develop, test, and maintain enterprise applications using C#, .NET Core / .NET Framework, and ASP.NET technologies.
• Analyze functional and system requirements and translate them into technical solutions and software designs.
• Develop and maintain web applications, APIs, and backend services using ASP.NET MVC, Web API, and modern frameworks (e.g., Blazor or Angular/React integrations).
• Implement RESTful services and microservices architectures to support scalable, distributed systems.
• Collaborate with stakeholders and users to define system scope and objectives and provide ongoing technical guidance.
• Develop, execute, and maintain unit, integration, and automated test scripts to ensure software quality.
• Participate in Agile software development processes, including sprint planning, backlog refinement, and retrospectives.
• Identify and resolve software defects, performance issues, and system bottlenecks.
• Develop and maintain technical documentation, including system designs, architecture diagrams, and test plans.
• Support application modernization efforts, including migrating legacy systems to modern .NET platforms.
• Work with DevOps teams to implement CI/CD pipelines using Azure DevOps, GitHub, or similar tools.
• Ensure adherence to secure coding practices and compliance requirements.
• Assist in planning, scheduling, and execution of development tasks aligned with project timelines, costs, and resources.
• Provide guidance and mentorship to junior developers as needed.
• Strong proficiency in C#, .NET Core / .NET Framework, ASP.NET MVC, and Web API development.
• Experience developing modern web applications and user interfaces using HTML, CSS, JavaScript, and frameworks such as Angular or React.
• Solid understanding of object-oriented programming, design patterns, and software engineering principles.
• Experience working within the Software Development Lifecycle (SDLC) and Agile methodologies.
• Experience with relational databases such as SQL Server and writing efficient queries and stored procedures.
• Familiarity with Entity Framework or ORM tools for data access.
• Experience with CI/CD tools such as Azure DevOps, GitHub Actions, or Jenkins.
• Knowledge of version control systems such as Git.
• Understanding of application security practices, including authentication, authorization, and secure coding.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to manage and prioritize multiple tasks effectively in a dynamic environment.
• Strong written and verbal communication skills with the ability to work collaboratively across teams.

• Bachelor's degree in Computer Science, Information Technology, or related technical field (or equivalent experience).
• 3-5 years of experience with a Master's degree OR 5-7 years of experience with a Bachelor's degree or equivalent.
• Minimum 3+ years of hands-on experience developing applications using Microsoft .NET technologies.
• Experience building and maintaining enterprise web applications and APIs.
• Experience working in Agile development environments.
• Experience with cloud-integrated development (Azure preferred) is a plus.