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Senior .NET Developer

Job in Washington, District of Columbia, 20022, USA
Listing for: Seneca Resources Company, LLC
Full Time position
Listed on 2026-02-13
Job specializations:
  • Software Development
    C# / Unity Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

About Seneca Resources

Seneca Resources is client driven provider of strategic Information Technology consulting services and Workforce Solutions to government and industry. Seneca Resources is a leading IT services provider with offices in Reston, Virginia, Alabama and Columbia, Maryland that service clients throughout the United States. The key to our success lies within our strong corporate culture which drives our business. We challenge our staff through engaging work, and we reward our staff through competitive compensation, extensive professional training, and excellent opportunities for career advancement.

In turn, we look for only the best and brightest to join our team. We are an Equal Opportunity Employer and value the benefits of diversity in our workplace.

Location: Washington, DC

Clearance/Citizenship: US Citizenship required to support a federal client

Compensation: Very Competitive

Summary

Experienced software developer to lead the design and development of an integrated web application to support the client’s internal business processes. Will work closely with the project manager, other development leads and subject matter experts to analyze requirements, develop application architecture and design key application components as part of the core development team. Will lead a team of 3-4 module developers to design, develop and integrate multiple modules into the overall product.

Will be responsible for interfacing with Analyst, QA, infrastructure and support teams to support planning activities for QA and release deployment phases.

Key Responsibilities
  • Writing secure, reusable, and easily maintainable code
  • Design, develop and maintain ASP.Net applications following industry best practices
  • Communicate effectively with management, colleagues, and partners
Qualifications
  • Must be a U.S. Citizen
  • 4-year degree in a related field, or equivalent certifications and experience
  • Minimum of 10 years of progressive experience developing web applications using Microsoft .NET technologies
  • In-depth experience with C# and ASP .NET 4.5.
  • In-depth understanding of relational databases and SQL for implementing database-driven, web-based applications using T-SQL and Stored Procedures
  • Strong experience in ASP.NET in C#, .NET Framework, Web Services, WCF, , Entity Framework, Web Forms, MVC, JQuery, Angular JS, SOA
  • Experience with advanced UX technologies/frameworks including development of Rich Internet Applications (RIA)
  • Experience in Visual Studio & Team Foundation Services
  • Experience in MS SQL Server 2012/2014, T-SQL & Stored Procedures
  • Excellent verbal communication skills, as well as strong problem solving abilities and an aptitude for learning new technologies
  • Self-motivated, with a strong sense of accountability
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Position Requirements
10+ Years work experience
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