ExistX Software Engineer ExistX was founded in 2023 with the goal to combine cutting edge invention ... Hybrid or onsite presence will be determined based on contract expectations and security ...
ExistX Software Engineer ExistX was founded in 2023 with the goal to combine cutting edge invention ... Hybrid or onsite presence will be determined based on contract expectations and security ...
Software Engineer
Centreville, VA · On-site
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 ...
Software Engineer
Centreville, VA · On-site
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 ...
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 ...
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 ...
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 ...
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 ...
Software Engineer
$79K - $162K/yr
Software Engineer As a Software Engineer, you will be part of a team developing and supporting Real ... and contract wage rates, relevant prior work experience, specific skills and competencies ...
Software Engineer
$79K - $162K/yr
Software Engineer As a Software Engineer, you will be part of a team developing and supporting Real ... and contract wage rates, relevant prior work experience, specific skills and competencies ...
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 ...
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 ...
Space Systems Software Engineer
$180K - $213K/yr
Space Systems Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Space Systems Software Engineer
$180K - $213K/yr
Space Systems Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Software Engineer
Bethesda, MD · On-site
$160K - $225K/yr
... contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems ...
Software Engineer
Bethesda, MD · On-site
$160K - $225K/yr
... contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems ...
Software Engineer
Centreville, VA · On-site
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 ...
Software Engineer
Centreville, VA · On-site
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 ...
Software Engineer
$114K - $190K/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 ...
Software Engineer
$114K - $190K/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 ...
Software Engineer
$160K - $225K/yr
... contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems ...
Software Engineer
$160K - $225K/yr
... contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems ...
Space Systems Software Engineer
Tysons, VA · On-site
$173K - $205K/yr
Space Systems Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Space Systems Software Engineer
Tysons, VA · On-site
$173K - $205K/yr
Space Systems Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Space Systems Software Engineer
$177K - $209K/yr
Space Systems Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Space Systems Software Engineer
$177K - $209K/yr
Space Systems Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Space Systems Software Engineer
Reston, VA · On-site
$180K - $213K/yr
Space Systems Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Space Systems Software Engineer
Reston, VA · On-site
$180K - $213K/yr
Space Systems Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Software Engineer
Mclean, VA · On-site
About the Role As a Software Engineer, you will be responsible for working on projects that support ... S. Citizenship essential to comply with government contract/agency or department of Federal ...
Software Engineer
Mclean, VA · On-site
About the Role As a Software Engineer, you will be responsible for working on projects that support ... S. Citizenship essential to comply with government contract/agency or department of Federal ...
Software Engineer
Reston, VA · On-site
As a Software Engineer, you will be responsible for research, design, development and testing of ... level is dependent upon qualifications and contract vacancy requirements. Key Duties ...
Software Engineer
Reston, VA · On-site
As a Software Engineer, you will be responsible for research, design, development and testing of ... level is dependent upon qualifications and contract vacancy requirements. Key Duties ...
Software Engineer
Sterling, VA · On-site
$79K - $162K/yr
Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... and contract wage rates, relevant prior work experience, specific skills and competencies ...
Software Engineer
Sterling, VA · On-site
$79K - $162K/yr
Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... and contract wage rates, relevant prior work experience, specific skills and competencies ...
Space Systems Software Engineer
$173K - $205K/yr
Space Systems Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Space Systems Software Engineer
$173K - $205K/yr
Space Systems Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...
Software Engineer
Mclean, VA · Hybrid
About the Role As a Software Engineer, you will be responsible for working on projects that support ... S. Citizenship essential to comply with government contract/agency or department of Federal ...
Software Engineer
Mclean, VA · Hybrid
About the Role As a Software Engineer, you will be responsible for working on projects that support ... S. Citizenship essential to comply with government contract/agency or department of Federal ...
Software Engineer SME
Chantilly, VA · On-site
The ideal candidate will have a BS in Software Engineering, Computer Science, Information Systems ... and contract wage rates, relevant prior work experience, specific skills and competencies ...
Quick apply
Software Engineer SME
Chantilly, VA · On-site
The ideal candidate will have a BS in Software Engineering, Computer Science, Information Systems ... and contract wage rates, relevant prior work experience, specific skills and competencies ...
Software Engineer Contract information
See Reston, VA salary details
$66.1K - $79.5K
2% of jobs
$79.5K - $92.9K
4% of jobs
$92.9K - $106.4K
6% of jobs
$106.4K - $119.8K
8% of jobs
$127K is the 25th percentile. Wages below this are outliers.
$119.8K - $133.2K
7% of jobs
$133.2K - $146.6K
18% of jobs
The median wage is $149.8K / yr.
$146.6K - $160.1K
16% of jobs
$160.1K - $173.5K
2% of jobs
$179K is the 75th percentile. Wages above this are outliers.
$173.5K - $186.9K
26% of jobs
$186.9K - $200.4K
1% of jobs
$200.4K - $213.8K
8% of jobs
$66.1K
$153.5K
$213.8K
How much do software engineer contract jobs pay per year?
As of Jun 21, 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 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 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 is the difference between Software Engineer Contract vs Software Engineer Full-Time?
| Aspect | Software Engineer Contract | Software Engineer Full-Time |
|---|---|---|
| Employment Type | Temporary, project-based | Permanent, ongoing |
| Work Environment | Typically freelance or agency-based | Company offices or remote |
| Credentials | Usually similar certifications and skills | Same as contract roles |
| Benefits | Limited or no benefits | Health, 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 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 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:
- Defense Software Engineer
- C Software Engineer
- Software Engineer In Test
- Software Development Software Engineer
- Contract Navy Software Engineer
- Overnight Software Engineer Visa Sponsorship
- Full Time Software Engineer Glassdoor
- Contract International Software Engineer
- Opengl Engineer
- Contract Wso2 Software Engineer
What cities near Reston, VA are hiring for Software Engineer Contract jobs? Cities near Reston, VA with the most Software Engineer Contract job openings:
Other
Medical, Dental, Vision, Retirement, PTO
Posted 13 days ago
Job description
ExistX Software Engineer
ExistX was founded in 2023 with the goal to combine cutting edge invention with practical implementation in the unique environments our customers demand to solve national security problems in the real world.
Our team of software and systems engineers bring experience working with cutting-edge advancements in cryptography, cyber-physical systems, MBSE, and formal methods for both government and commercial applications. We leverage a unique suite of capabilities—incubated through our sister R&D firm, Galois, and other key research partnerships—to rapidly prototype and deliver impactful solutions to the warfighter.
There exists a solution X that satisfies problem P. The solution exists. Let's build it together.
About This RoleIn this role, you will rapidly prototype new capabilities, create performant backend services, and collaborate to translate complex, cutting edge software designs into software solutions for mission-critical systems. Engineers collaborate with cross functional teams of clients, partners, ExistX employees, and domain experts to design, develop, implement, and deploy advanced algorithms and software systems.
Responsibilities- Translate complex research designs into seamless, high-performance software applications
- Design and implement mission-critical software components and services
- Collaborate with cross-functional teams of experts to implement modern software engineering best practices
- Mentor developers and provide hands-on technical guidance
- Develop system architectures and help drive the technical roadmap
- Create and maintain technical documentation
Required
- BS in Computer Science or related field
- 5+ years professional software development experience developing enterprise software applications
- Expertise with multiple backend programming languages such as Java, C/C++, Rust, Python, or similar languages
- Experience developing scalable systems capable of handling large data sets
- Passion for writing high quality, high performance code
- Strong technical writing skills and experience with developing and maintaining documentation
- Knowledge of cryptographic algorithms or cybersecurity concepts
- Experience with programming languages such as Cryptol, Haskell, or similar domain specific languages
- Experience with microservices and cloud-native platforms such as Docker, Kubernetes, AWS or Azure
- Experience leading technical initiatives and mentoring developers
ExistX is headquartered in Arlington, Virginia with additional locations in Dayton, Ohio and Portland, Oregon. We have some remote employees distributed across the U.S.
This position will require on-site presence at client locations in and around Baltimore, Maryland and Annapolis, Maryland. This position requires eligibility to work with cleared programs (active clearance required). Hybrid or onsite presence will be determined based on contract expectations and security requirements.
ExistX offers a highly competitive benefits program to support employees and their families, including:
- Competitive salaries
- Employer paid medical insurance plan
- Health Savings Account (HSA) with employer contributions
- Employer paid dental and vision insurance plans
- 401(k) retirement plan with employer match
- Flexible work location with a remote friendly culture
- Generous paid time off (25 days per year)
The employee must be a U.S. Citizen with an active TS/SCI + full-scope Poly.