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Assistant Software Engineer Jobs in Fairfax, VA (NOW HIRING)

VTG

Software Engineer

Reston, VA · On-site

$105K - $150K/yr

We are looking for experienced Software Engineers who will assist in driving, developing, and deploying unique products and capabilities to international customers. You'll dive into a diverse range ...

VTG

Software Engineer

Reston, VA

$105K - $150K/yr

We are looking for experienced Software Engineers who will assist in driving, developing, and deploying unique products and capabilities to international customers. You'll dive into a diverse range ...

Mondo

Software Engineer

Centreville, VA · Remote

$100/hr

Support customer migrations onto the payment processing platform * Assist with payment processing ... software engineering experience * Payment processing, ACH, or financial services experience

IQUASAR LLC

Software Engineer

Washington, DC · On-site

$120K - $140K/yr

Software Engineer * Location: Washington, DC * Position Type: Onsite * Clearance: TS/SCI ... * Assist with software configuration management to include version controls, bug/issue tracking ...

iQuasar LLC

Software Engineer

Washington, DC · On-site

$120K - $140K/yr

Software Engineer * Location: Washington, DC * Position Type: Onsite * Clearance: TS/SCI ... * Assist with software configuration management to include version controls, bug/issue tracking ...

VT Group (VTG)

Software Engineer

Reston, VA · On-site

... • Assist in developing capabilities for international partners/markets • Integrate model ... Science, Software Engineering, Mathematics, or Physics • 3+ years working with a variety of ...

Booz Allen Hamilton

Software Engineer

Arlington, VA · On-site

$69K - $158K/yr

Software Engineer The Opportunity: As a full stack developer, you can resolve a problem with a ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

InterImage

Software Engineer

Arlington, VA · On-site +1

... tools * Assist with integrating Generative AI technologies into internal and customer-facing ... Bachelor's degree in Computer Science, Software Engineering, Information Systems, Cybersecurity ...

Booz Allen Hamilton

Software Engineer

Chantilly, VA · On-site

$69K - $158K/yr

Software Engineer The Opportunity: We are seeking a Software Engineersupport Agile design ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

Booz Allen Hamilton, Inc.

Software Engineer

Arlington, VA · On-site

$69K - $158K/yr

Arlington, Virginia, USA Software Engineer The Opportunity: As a full stack developer, you can ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

Booz Allen Hamilton

Software Engineer

Arlington, VA · On-site

$69K - $158K/yr

Software Engineer The Opportunity: As a full stack developer, you can resolve a problem with a ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

Booz Allen Hamilton

Software Engineer

Arlington, VA · On-site

$69K - $158K/yr

Software Engineer The Opportunity: As a full stack developer, you can resolve a problem with a ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

Booz Allen Hamilton

Software Engineer

Arlington, VA · On-site

$69K - $158K/yr

Software Engineer The Opportunity: As a full stack developer, you can resolve a problem with a ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

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All JobsSoftware Engineer JobsAssistant Software Engineer JobsAssistant Software Engineer Jobs in Fairfax, VA

Assistant Software Engineer information

See Fairfax, VA salary details

$33.7K

$90.7K

$137.5K

How much do assistant software engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for assistant software engineer in Fairfax, VA is $90,721.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,100.00 and $106,800.00 per year, depending on experience, location, and employer.

What is the difference between Assistant Software Engineer vs Software Engineer?

AspectAssistant Software EngineerSoftware Engineer
Required CredentialsBachelor's degree in CS or related field; some internshipsBachelor's or higher; more experience preferred
Work EnvironmentEntry-level, supervised tasks, learning-focusedFull responsibility for projects, independent problem-solving
Employer & Industry UsageCommon in tech companies, startups, IT departmentsStandard role across tech, finance, healthcare, and more

The main difference is experience and responsibility. Assistant Software Engineers are entry-level, focusing on learning and supporting tasks, while Software Engineers handle full project development independently. The roles often overlap in credentials and work environment, but the Software Engineer position involves greater autonomy and technical expertise.

What are the key skills and qualifications needed to thrive as an assistant software engineer?

To thrive as an Assistant Software Engineer, you need a solid understanding of programming languages (such as Java, Python, or C++), software development fundamentals, and typically a bachelor's degree in computer science or a related field. Familiarity with version control systems like Git, basic debugging tools, and common development frameworks is important. Strong problem-solving abilities, collaboration, and effective communication help you work efficiently within teams and adapt to evolving project requirements. These skills and qualities are essential for delivering quality code, learning quickly, and contributing to successful software projects.

What are some common challenges faced by assistant software engineers when joining a new development team?

Assistant Software Engineers often encounter challenges such as adapting to unfamiliar codebases, learning new technologies or frameworks used by the team, and understanding the team's workflow and communication practices. It's common to spend initial weeks focusing on onboarding tasks, shadowing experienced developers, and gradually taking on more complex assignments. Collaboration with senior engineers is key, as they provide guidance and feedback to help you grow technically and integrate smoothly into the team's processes.
What are the most commonly searched types of Software Engineer jobs in Fairfax, VA? The most popular types of Software Engineer jobs in Fairfax, VA are:
What are popular job titles related to Assistant Software Engineer jobs in Fairfax, VA? For Assistant Software Engineer jobs in Fairfax, VA, the most frequently searched job titles are:
What job categories do people searching Assistant Software Engineer jobs in Fairfax, VA look for? The top searched job categories for Assistant Software Engineer jobs in Fairfax, VA are:
What cities near Fairfax, VA are hiring for Assistant Software Engineer jobs? Cities near Fairfax, VA with the most Assistant Software Engineer job openings:
Assistant Software Engineer jobs near you

Software Engineer

VTG

Reston, VA • On-site

$105K - $150K/yr

Full-time

Re-posted 14 days ago

Job description

Overview
VTG is seeking a Software Engineer to support our Defense customer in Reston, VA. Our Software Engineers are at the forefront of defense technology, crafting high-impact, cutting-edge solutions that redefine innovation. We are looking for experienced Software Engineers who will assist in driving, developing, and deploying unique products and capabilities to international customers. You'll dive into a diverse range of projects, partnering with brilliant minds across disciplines to engineer robust software systems that empower our mission-critical operations. We're seeking talented generalist software engineers on to contribute to projects that are shaping the future of defense.
What will you do?
  • Develop and maintain distributed systems that underpin advanced defense technology applications.
  • Design and implement core infrastructure and platform services that enable other engineers to scale their output
  • Build and maintain backend and web development frameworks and networking solutions
  • Assist in developing capabilities for international partners/markets
  • Integrate model/software/hardware-in-the-loop components using first and third-party technologies
  • Collaborate with team members and partners in the autonomy domain
  • Create technologies and processes that enable users to safely and rapidly develop and deploy autonomous systems at scale
  • Participate in technical design reviews and system architecture discussions
  • Implement and maintain monitoring, logging, and data management solutions

Do you have what it takes?
  • Strong engineering background from industry or school, ideally in areas/fields such as Computer Science, Software Engineering, Mathematics, or Physics
  • 3+ years working with a variety of programming languages such as Java, Python, C++, Rust, Go, JavaScript, etc.
  • Experience building software solutions involving significant amounts of data processing and analysis
  • Ability to quickly understand and navigate complex systems and established code bases
  • A desire to work on critical software that has a real-world impact
  • Ability to travel up to 25% to both domestic and international locations, as needed
  • Active U.S. Secret security clearance
  • Experience with Hardware in the Loop.

Contingent Upon Contract Award
VTG's estimated starting pay range is $105,000-$150,000 which is a general guideline for the geographic location. When extending an offer, VTG also considers work experience, education, skill level, market considerations and may possibly include contractual requirements which may cause an offer to fall outside of this range.

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