.NET Software Developer, Junior

Posted Yesterday
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22203, Arlington, VA, USA
In-Office
90K-110K Annually
Junior
Information Technology • Security
The Role
Develop, test, deploy, and maintain mission‑critical .NET applications (C#, ASP.NET, .NET Core). Participate in Agile sprints, write database queries and stored procedures, troubleshoot issues, implement security/compliance controls, produce technical documentation, and collaborate with stakeholders and cross‑functional teams.
Summary Generated by Built In

TIAG is now hiring a Junior .NET Developer to support the Office of Naval Research (ONR) enterprise environment in Arlington, Virginia. The selected candidate will support the development, enhancement, testing, deployment, and maintenance of mission-critical business applications that support ONR's research, financial management, business operations, and enterprise modernization initiatives.

The Junior .NET Developer will work as part of an Agile development team, collaborating with software developers, business analysts, database administrators, systems engineers, cybersecurity personnel, and government stakeholders to deliver secure, scalable, and user-focused solutions. 

This position reports onsite 5 days per week in Arlington, VA. The position requires an active Secret clearance in order to start work, so US or Naturalized Citizenship is a requirement for consideration. 


Responsibilities

  • Develop, test, maintain, and enhance applications utilizing Microsoft .NET technologies, including C#, ASP.NET, and .NET Core.
  • Support software development lifecycle activities including requirements analysis, design, coding, testing, deployment, and sustainment.
  • Participate in Agile development activities including sprint planning, backlog refinement, daily standups, and sprint reviews.
  • Develop and maintain database queries, stored procedures, and integrations supporting enterprise applications.
  • Troubleshoot application issues, perform root cause analysis, and implement corrective actions.
  • Collaborate with business stakeholders to gather requirements and implement application enhancements.
  • Create and maintain technical documentation, release documentation, and standard operating procedures.
  • Support application security, compliance, and cybersecurity requirements in accordance with Department of Defense policies.
  • Participate in code reviews and adhere to secure coding and software quality best practices.
Qualifications
  • Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related discipline, or equivalent experience.
  • Minimum two (2) years of experience developing applications utilizing Microsoft .NET technologies, including C#, ASP.NET, or .NET Core.
  • Experience with HTML, CSS, JavaScript, and relational database concepts.
  • Experience working in a team-based software development environment.
  • Strong analytical, troubleshooting, organizational, and communication skills.
  • Active Secret Clearance.
  • Current CompTIA Security+ certification meeting DoD 8570/8140 IAT Level II requirements.
  • Current Computing Environment (CE) certification meeting contract requirements.
     

Preferred Qualifications: 

  • Experience supporting Department of Defense or Federal Government programs.
  • Experience with Microsoft SQL Server, Oracle, or PostgreSQL databases.
  • Experience utilizing Azure DevOps, Git, Jira, or similar development and source control tools.
  • Experience developing REST APIs and integrating enterprise applications.
  • Experience supporting cloud-based environments and Microsoft Azure technologies.
  • Knowledge of Agile development methodologies and DevSecOps practices.
  • Experience supporting cybersecurity compliance, RMF, or secure software development initiatives.
     

TIAG is an equal opportunity employer and federal contractor or subcontractor.  Consequently, the parties agree that, as applicable, they will abide by the requirements of 41 CFR 60-1.4(a), 41 CFR 60-300.5(a), and 41 CFR 60-741.5(a)  and employment decisions shall be based solely on merit and without regard disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations. TIAG takes proactive steps to employ and advance in employment qualified individuals without regard to disability or protected veteran status.  The parties also agree that, as applicable, they will abide by the requirements and may be subject and required to take action pursuant to the following laws and accompanying regulations:

The Vietnam Era Veterans Readjustment Assistance Act of 1974, as amended (and its implementing regulations at 41 C.F.R. 60-300);
Section 503 of the Rehabilitation Act of 1973, as amended (and its implementing regulations at 41 C.F.R 60-741); and 
Executive Order 13496 (and its implementing regulations at 29 C.F.R. part 471, Appendix A to Subpart A).

Skills Required

  • Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field (or equivalent experience).
  • Minimum two (2) years developing applications using Microsoft .NET technologies (C#, ASP.NET, .NET Core).
  • Experience with HTML, CSS, JavaScript, and relational database concepts (queries, stored procedures).
  • Active Secret clearance.
  • US or Naturalized Citizenship.
  • Current CompTIA Security+ certification meeting DoD 8570/8140 IAT Level II requirements.
  • Current Computing Environment (CE) certification meeting contract requirements.
  • Experience working in a team‑based software development environment and participating in Agile processes.
  • Strong analytical, troubleshooting, organizational, and communication skills.
  • Experience supporting Department of Defense or Federal Government programs.
  • Experience with Microsoft SQL Server, Oracle, or PostgreSQL.
  • Experience utilizing Azure DevOps, Git, Jira, or similar development and source control tools.
  • Experience developing REST APIs and integrating enterprise applications.
  • Experience supporting cloud‑based environments and Microsoft Azure technologies.
  • Knowledge of Agile development methodologies, DevSecOps practices, RMF, or cybersecurity compliance.
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The Company
HQ: Reston, VA
348 Employees
Year Founded: 1999

What We Do

Delivering transformative technology solutions for the public sector and across the Department of Defense, TIAG drives modernization through synergistic processes and unique approaches. Our people are brilliant, well-credentialed business and technology experts who provide nimble, creative solutions to multidimensional problems. Our collective expertise results in refined, comprehensive services that truly make a difference. Customers choose TIAG because we drive genuine innovation and deliver value beyond the scope of work — ranging from complex enterprise-wide solutions to stand-alone custom projects. At TIAG, our greatest asset is our people. Our commitment to taking care of our employees inspires the dedication and longevity of our teams, ensuring success and continuity for client initiatives. TIAG’s strategic quality control management system and processes amplify our company-wide focus on excellence — ensuring the highest degree of management processes, solutions and work products we create and deliver for our customers. TIAG works to achieve and enhance our prestigious certifications for the ISO 9001:2015 Standard and for CMMI® (Capability Maturity Model® Integration) for Services (SVC) Level 3.

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