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Software Engineer Contract Jobs in Reston, VA (NOW HIRING)

Knowesis Inc.

Software Engineer

Arlington, VA · Hybrid

Contingent Upon Contract Award Knowesis is seeking a mission-driven Software Engineer to support the DoD Office of the Inspector General (OIG) in modernizing, sustaining, and securing enterprise ...

SiloSmashers

Software Engineer (Hybrid)

Arlington, VA · Hybrid

S. citizen and able to obtain and maintain DHS suitability clearance, as required by federal contract. Summary: The Software Engineer will support DHS CISA by designing, developing, and maintaining ...

SiloSmashers

Software Engineer (Hybrid)

Arlington, VA · On-site

S. citizen and able to obtain and maintain DHS suitability clearance, as required by federal contract. Summary: The Software Engineer will support DHS CISA by designing, developing, and maintaining ...

Knowesis

Software Engineer

Arlington, VA · On-site

Contingent Upon Contract Award Knowesis is seeking a mission-driven Software Engineer to support the DoD Office of the Inspector General (OIG) in modernizing, sustaining, and securing enterprise ...

Cymertek

Level Software Engineer

Tysons, VA · On-site

Level Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Cymertek

Level Software Engineer

Reston, VA · On-site

Level Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Cymertek

Level Software Engineer

Chantilly, VA · On-site

Level Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

SiloSmashers

Software Engineer (Hybrid)

Arlington, VA · On-site

S. citizen and able to obtain and maintain DHS suitability clearance, as required by federal contract. Summary: The Software Engineer will support DHS CISA by designing, developing, and maintaining ...

Altus Consulting Corp

Software Engineer

Herndon, VA · On-site

Altus Consulting Seeks a Software Engineer to Drive Innovation Are you a passionate software ... However, it is not intended to be a contract, and we reserve the right to modify the at any time.

Cymertek

HPC Software Engineer

Reston, VA · On-site

HPC Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Cymertek

HPC Software Engineer

Chantilly, VA · On-site

HPC Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Cymertek

HPC Software Engineer

Tysons, VA · On-site

HPC Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

AeroVironment

Software Engineer

Centreville, VA

Worker Type Regular Summary We are looking for a Software Engineer (Apps) to join the Learning ... Must be willing to work on government contracts and be able to obtain a DoD security clearance; an ...

Cymertek

Level Software Engineer

Reston, VA

Level Software Engineer LOCATIONReston, VA 20190 CLEARANCETS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Cymertek

Level Software Engineer

Chantilly, VA

Level Software Engineer LOCATIONChantilly, VA 20151 CLEARANCETS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Cymertek

Level Software Engineer

Tysons, VA

Level Software Engineer LOCATIONTysons, VA 22182 CLEARANCETS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

ManTech

Software Engineer

Washington, DC · On-site

$114.60K - $190.20K/yr

MANTECH seeks a motivated, career, and customer-oriented Software Engineer for a new initiative ... Contract Wage Determination, relevant work experience, skills and competencies that align to the ...

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Software Engineer Contract information

See Reston, VA salary details

$66.1K

$153.5K

$213.8K

How much do software engineer contract jobs pay per year?

As of May 29, 2026, the average yearly pay for software engineer contract in Reston, VA is $153,477.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,800.00 and $180,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Software Engineer Contract, and why are they important?

To thrive as a Software Engineer Contract, you need strong programming skills, a solid understanding of software development methodologies, and a relevant degree or proven experience in computer science or related fields. Familiarity with source control systems (e.g., Git), cloud platforms, and proficiency in languages or frameworks required by the contract are crucial, as are any certifications in areas like AWS or Agile methodologies. Excellent problem-solving, adaptability, and communication skills help you quickly integrate with new teams and deliver results in diverse environments. These skills ensure you can efficiently contribute to projects, meet client expectations, and maintain professional flexibility across various assignments.

What are some common challenges faced by software engineers working on contract positions, and how can they be managed?

Software engineers on contract often face challenges such as quickly adapting to new codebases, understanding diverse team workflows, and managing changing project scopes. It's important to proactively communicate with team members, clarify project requirements early on, and stay organized to meet tight deadlines. Additionally, maintaining a strong personal workflow and being open to feedback can help contract engineers integrate more smoothly and deliver high-quality results within limited timeframes.

What are software engineer contracts?

Software engineer contracts are agreements where software engineers are hired on a temporary basis to work on specific projects or for a set period of time, rather than as permanent employees. Contractors often work for multiple clients, are paid hourly or per project, and may have more flexible schedules. These contracts outline the scope of work, compensation, deadlines, and other terms. Contract software engineers are responsible for delivering quality code and meeting the requirements set by the client or organization. This working arrangement can offer more autonomy, but also less job security and benefits compared to full-time employment.

What is the difference between Software Engineer Contract vs Software Engineer Full-Time?

AspectSoftware Engineer ContractSoftware Engineer Full-Time
Employment TypeTemporary, project-basedPermanent, ongoing
Work EnvironmentTypically freelance or agency-basedCompany offices or remote
CredentialsUsually similar certifications and skillsSame as contract roles
BenefitsLimited or no benefitsHealth, retirement, paid leave

In summary, Software Engineer Contract roles are temporary positions focused on specific projects, often with fewer benefits, while Software Engineer Full-Time roles offer permanent employment with comprehensive benefits. Both roles require similar skills and credentials but differ mainly in employment stability and perks.

What are the most commonly searched types of Software Engineer jobs in Reston, VA? The most popular types of Software Engineer jobs in Reston, VA are:
What are popular job titles related to Software Engineer Contract jobs in Reston, VA? For Software Engineer Contract jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Software Engineer Contract jobs in Reston, VA look for? The top searched job categories for Software Engineer Contract jobs in Reston, VA are:
What cities near Reston, VA are hiring for Software Engineer Contract jobs? Cities near Reston, VA with the most Software Engineer Contract job openings:
Software Engineer Contract jobs near you
Software Engineer

Software Engineer

Knowesis Inc.

Arlington, VA • Hybrid

Full-time

Medical, Life, Retirement, PTO

Posted 15 days ago

Job description

Position: Software Engineer 
Location: Alexandria, VA
Work Environment: Hybrid
Clearance Required: Top Secret
Status: Contingent Upon Contract Award
Knowesis is seeking a mission-driven Software Engineer to support the DoD Office of the Inspector General (OIG) in modernizing, sustaining, and securing enterprise applications across cloud and on-prem environments. This role contributes to full lifecycle software development, cloud migration, and integration with infrastructure, cybersecurity, and data services.

To be eligible for this position, candidates must possess U.S. Citizenship without the need for sponsorship, both now and in the future. Applicants without proof of U.S. Citizenship will not be considered due to the position’s security clearance requirements.

The Job Duties and Responsibilities include but are not limited to the following:  

Overview: The Software Engineer supports the full lifecycle of application development and sustainment, contributing to design, implementation, testing, and modernization efforts. This role operates within Agile/SCRUM frameworks and aligns with DoD DevSecOps principles to ensure secure, scalable, and mission-ready software solutions.

Application Development & Sustainment

  • Design, develop, test, and deploy secure software solutions in support of DoD OIG mission requirements
  • Support adaptive and corrective maintenance of existing applications
  • Participate in application sustainment and modernization efforts
  • Implement release management and production deployment support
  • Participate in Agile/SCRUM ceremonies and contribute to iterative development cycles

Cloud Migration & Architecture

  • Contribute to cloud strategy, planning, and application migration
  • Support data migration and integration across hybrid environments
  • Collaborate with infrastructure and database teams to ensure scalable, secure deployments

Testing & Quality Assurance

  • Develop and execute testing strategies, including technical and business process testing
  • Support compliance testing and documentation of test results
  • Optimize application performance and user experience through iterative testing and feedback

Collaboration & Documentation

  • Work closely with cybersecurity, service desk, and configuration management teams
  • Implement secure coding practices and integrate cybersecurity controls in accordance with DoD DevSecOps guidance
  • Document application design, implementation, and sustainment processes
  • Participate in knowledge transfer and training activities

Required Qualifications:  

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field
  • 5+ years of experience in software engineering or application development
  • Proficiency in modern programming languages (e.g., Java, C#, Python) and frameworks
  • Experience with cloud platforms (e.g., Azure, AWS), and CI/CD pipelines
  • Familiarity with DevSecOps tools and practices (e.g., GitLab, Jenkins, SonarQube, Kubernetes)
  • Familiarity with DoD cybersecurity and RMF standards
  • Strong problem-solving, documentation, and collaboration skills

Preferred Qualifications:

  • Certifications such as AWS Certified Developer, Microsoft Certified: Azure Developer Associate, or CompTIA Security+
  • Certifications such as Certified Scrum Developer (CSD), CompTIA Security+, or DoD DevSecOps credentials

Benefits:

  • Health (PPO & HDHP) Paid Time Off
  • Company Paid STD & LTD, and Basic Life Insurance
  • 401k Company Match
  • Paid Time Off
  • Multiple Voluntary Products  

Knowesis is committed to providing equal employment opportunities to all individuals based on merit and qualifications. We prohibit discrimination in all aspects of employment as required by Title VII of the Civil Rights Act and other applicable federal laws. Our company values all applicants and employees and fosters a work environment where everyone is treated with respect and dignity.

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