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REI Systems
REI Systems

34 Rei Systems Sales Manager Jobs Hiring Near You

REI Systems

Software Engineer (.Net)

Sterling, VA · Hybrid

... case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes ...

REI Systems

Software Engineer (.Net)

Sterling, VA · On-site

$85 - $120/hr

... case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes ...

REI Systems

$85 - $120/hr

... case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes ...

New

REI Systems

Software Engineer (.Net)

Sterling, VA · On-site +1

... case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes ...

REI Systems

Software Engineer (.Net)

Sterling, VA · On-site +1

... case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes ...

REI Systems

Graphic Designer

Sterling, VA · On-site

... management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes through ...

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Infographic showing various Sales Manager job openings at Rei Systems in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% Physical job distribution.

Software Engineer (.Net)

REI Systems

Sterling, VA • Hybrid

Full-time

Posted 5 days ago

Job description

REI Systems’ mission is to deliver reliable, innovative technology solutions that advance Federal clients' missions and exceed their expectations. Our technologists and consultants are passionate about solving complex challenges that impact millions of lives. We take a Mindful Modernization® approach in delivering our services, including application modernization, grants management, case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes through people, processes, and technology. 
 
We offer the same commitment to our employees by providing professional development, meaningful projects, and flexibility to spend time with family and friends. We believe employees are at their best when fulfilled in both their professional careers and their personal lives. Learn more at www.REIsystems.com 
 
Employees voted REI Systems a Washington Post Top Workplace in 2015, 2016, 2018, 2020, 2021, 2022, 2023, 2024, and 2025!


REI Systems is seeking a Mid-Level .NET / SQL Developer to support the NYC Checkbook program. The selected candidate will develop, enhance, and maintain enterprise web applications, APIs, and database solutions that support critical financial transparency and reporting systems.

 

Responsibilities

  • Develop and maintain applications using C#, ASP.NET Core, .NET 6/8, and SQL Server.
  • Design and support REST APIs and backend services.
  • Create and optimize SQL queries, stored procedures, views, and database objects.
  • Troubleshoot and resolve application and database issues.
  • Collaborate with Business Analysts, QA, and project stakeholders in an Agile environment.
  • Support CI/CD pipelines, deployments, and production releases.
  • Participate in code reviews, testing, documentation, and system modernization efforts.

Required Qualifications

  • 3-6 years of experience in .NET application development.
  • Strong experience with:
    • C#
    • ASP.NET Core / MVC
    • .NET 6/8
    • SQL Server
    • Entity Framework and/or Dapper
    • REST API development
  • Experience with Git, Azure DevOps, and Agile methodologies.
  • Strong analytical, debugging, and problem-solving skills.

 Preferred Qualifications

  • Experience with Azure cloud services and Azure Data Factory (ADF).
  • Knowledge of OAuth2/JWT authentication and application security.
  • Experience with CI/CD, automated testing, and deployment tools.
  • Experience supporting government or public-sector applications.
  • Knowledge of Section 508 accessibility requirements.

Education: Bachelor’s degree in Business, Engineering, Computer Science, or related field. Masters degree preferred. 

Clearance: Ability to obtain and maintain a clearance is preferred.

Location: Hybrid – 2 days per week at REI Systems’ Sterling, VA office.

EEO Statement: REI Systems is an Equal Opportunity Employer

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