REI Systems

Software Engineer (.Net)

REI Systems$95K — $115K *
US-Anywhere
+ 2 other locationsRemote
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-6 years of experience in .NET application development.
  • Proficient in C#, ASP.NET Core/MVC, .NET 6/8, and SQL Server.
  • Familiarity with Entity Framework and/or Dapper for data access.
  • Experience in REST API development and backend services.
  • Knowledge of Git and Azure DevOps in Agile environments.
  • Strong analytical and problem-solving skills.

Responsibilities

  • Develop and maintain web applications and backend solutions.
  • Design REST APIs to enable key functionalities.
  • Create and enhance SQL queries and database objects.
  • Troubleshoot application and database issues effectively.
  • Collaborate with cross-functional teams in Agile workflow.
  • Support CI/CD processes and ensure smooth production deployments.
  • Participate in code reviews and modernize existing systems.

Benefits

  • Hybrid work model with flexibility between remote and onsite.
  • Opportunities for professional development and training.
  • Participation in collaborative Agile team environment.
Full Job Description
Overview

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.
Qualifications

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.

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About REI Systems

REI Systems is a leading provider of advanced analytics, cloud engineering, and digital services to government clients. Founded in 1989, REI Systems is headquartered in Chantilly, Virginia, with offices across the United States. REI Systems provides a range of services, including software development, data analytics, cloud computing, cybersecurity, and digital transformation. REI Systems serves a wide range of government clients, including the Department of Defense, the Department of Homeland Security, the Department of Justice, the Department of State, and the Environmental Protection Agency.
Learn more about REI Systems
Size
600 employees
Industry
Founded
1989

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