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3Si Hiring Software Developer I (Junior) in Ashburn for $85K

On: June 15, 2026 10:23 AM
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3Si Hiring Software Developer I (Junior) in Ashburn for $85K

Are you an aspiring software developer looking to launch your career with a dynamic and innovative organization? 3Si is seeking a talented and motivated Software Developer I (Junior) to join its growing team in Ashburn. This is an excellent opportunity for recent graduates and early-career professionals to work on real-world software solutions, collaborate with experienced engineers, and build a strong foundation in software development. If you’re passionate about coding, problem-solving, and technology, this role could be the perfect next step in your career.

Job Overview

FieldDetails
Company Name3Si
RoleSoftware Developer I (Junior)
QualificationBachelor’s Degree in Computer Science, Software Engineering, Information Technology, or a related field
Job LocationAshburn, Virginia, United States
Salary$85,000 per year
Work TypeOn-site / Hybrid (Based on Business Requirements)
Job TypeFull-Time
Job LevelEntry Level / Junior
IndustryInformation Technology & Software Development

Job Description

Join us—and be part of something that matters. The Junior Software Developer is responsible for participating in technical development, testing, debugging, and implementation of enhancements to enterprise-level applications. The developer is expected to work collaboratively with senior developers and members of the team, contributing to the mission-critical success of our organization. Additionally, you may be tasked with writing Jira tickets, technical user guides, and supporting documentation. 

Primary Responsibilities 

  • Participate in full software development lifecycle activities, including design, development, testing, debugging, and implementation 
  • Design and develop scalable software solutions using C# and .NET 
  • Collaborate with other developers and cross-functional teams to ensure technical alignment with project goals 
  • Utilize development tools such as Visual Studio, Git, Jira, and  Work with technologies including REST/ServiceStack, WPF, Progress/Telerik UI Toolkit 
  • Support and maintain client and server utilizing REST and HTTPS protocols 
  • Perform other duties as needed to support the company’s mission and project requirements 

Knowledge, Skills, and Abilities  

  • Understanding of full-stack development practices 
  • Proficiency in C# and the .NET framework 
  • Experience with Windows Presentation Foundation (WPF) 
  • Knowledge of software development best practices and secure coding techniques 
  • Ability to work with RESTful APIs and HTTP network technologies 
  • Skilled in using Visual Studio, Git, and Jira 
  • Strong problem-solving and analytical abilities 
  • Effective communication and collaboration skills 
  • Ability to work independently or within a team environment 

Qualifications 

  • Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related technical field 
  • Equivalent professional experience may be considered in lieu of formal education 
  • Associate degree in a technical discipline combined with relevant experience and/or industry certifications may also be considered 
  • 1 year of related software development experience 
  • 1 year of hands-on experience in C#/.NET development 
  • Experience with reusable C# library development and version-controlled environments 

Selection Process

  • Application Submission
  • Resume Screening
  • Technical Assessment
  • Technical Interview
  • Hiring Manager Interview
  • Background Verification
  • Final Offer & Onboarding

How to Apply

  • Visit the official careers page of 3Si.
  • Search for the Software Developer I (Junior) position in Ashburn.
  • Review the job requirements and responsibilities carefully.
  • Prepare and update your resume.
  • Complete the online application form.
  • Upload your resume and any required documents.
  • Submit your application.
  • Monitor your email for updates regarding the recruitment process.

P S Karthik

P.S. Karthik is the Chief Editor of Studentscircles. With over 12 years of experience in the educational news industry, he specializes in bridging the gap between campus life and the professional world. Having helped thousands of students navigate the US job market, Karthik’s mission is to turn complex academic news into actionable career opportunities.