Senior .NET Developer
Confirmed on the employer's own hiring board on Oct 5, 2026. First seen by Alion on Oct 4, 2026.
About the Role
As a Senior .NET Developer, the individual takes a lead role in designing, developing, and maintaining robust software solutions across desktop applications, services, APIs, and integrations. They are responsible for delivering scalable and secure .NET-based systems that align with business requirements, while ensuring performance, reliability, and maintainability. The Senior .NET Developer works closely with business stakeholders, architects, and cross-functional teams to drive end-to-end solution delivery.
What We Need From You
Design, develop, and maintain .NETapplications including desktop, console, Windows services, and web-based solutions.
Lead the development and integration of high-availability APIs and backend services.
Implement and maintain secure and scalable REST and WCF services.
Design and deploy applications on IIS with a focus on performance tuning and load balancing.
Collaborate with business stakeholders to gather, analyze, and refine requirements.
Translate business needs into functional and technical specifications.
Perform impact analysis, scoping, and solution design.
Troubleshoot application issues, conduct root cause analysis, and implement fixes.
Optimize performance of code, database queries, and application behavior.
Develop and integrate with SQL Server: tables, stored procedures, functions, views, and PLSQL where required.
Integrate systems with third-party APIs and services including TCP/IP and WebSocket-based communication.
Conduct code reviews and provide technical mentorship to other developers.
Lead planning and estimation sessions, and ensure timely delivery of tasks.
Work with version control systems (e.g., Git) and collaborative development workflows.
Collaborate with infrastructure and DevOps teams to ensure smooth deployments and environment readiness.
Work closely with QA for testing, validation, and bug fixing.
Engage in ongoing reporting, system monitoring, and tuning activities.
Participate in business meetings, requirement workshops, and sprint planning sessions.
Ensure security best practices are followed in application design and implementation.
Stay up to date on industry trends, emerging technologies, and recommend improvements to existing systems.
Experience or exposure to telecom systems and protocols is considered a strong plus.
Perform tasks as requested.
Qualifications and Experience
Bachelor’s Degree in relevant field ( Computer science, Programming)
5+ years of hands-on experience with .NET (C#), including desktop applications, Windows services, and ASP.NET.
Telecom industry experience is a plus.
Strong experience with console applications, libraries (DLLs), and service-oriented architectures.
In-depth experience with WCF and RESTful services.
Experience designing load-balanced, fault-tolerant, and high-availability APIs.
Experience with version control systems (e.g., Git) and collaborative development workflows.
Experience gathering business requirements, performing impact analysis, and documenting design specs.
Strong experience integrating third-party services and protocols (e.g., TCP/IP, WebSockets).
Skills and Knowledge
Solid knowledge of IIS configuration, hosting, troubleshooting, and tuning.
Strong proficiency in Microsoft SQL Server: database design, indexing, stored procedures, PLSQL, and views.
Proven ability to troubleshoot application, performance, and network-related issues.
Excellent communication skills and experience working directly with business users.
Strong planning and organizational skills - able to manage multiple tasks and meet deadlines.
Understanding of security principles in .NET applications.
Knowledge of reporting tools and performance diagnostics.
Equal Employment Opportunity Statement
We are an equal opportunity employer and welcome applications from individuals of all backgrounds, including persons with disabilities and those who may require reasonable accommodations to perform their duties. We are committed to maintaining an inclusive workplace and to ensuring that all employees are supported to succeed.