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Software Developer Contractor Jobs in Washington

Eyes Only Systems

Software Developer

Chantilly, VA · On-site

$100K - $220K/yr

We are seeking a on-site Software Developer to become an integral part of our team! You will be ... continuously contracted with the federal government to provide consulting services and software ...

Eyes Only Systems

Software Developer

Chantilly, VA · On-site

$100K - $220K/yr

We are seeking a on-site Software Developer to become an integral part of our team! You will be ... continuously contracted with the federal government to provide consulting services and software ...

Gromelski & Associates

Software Developer

Manassas, VA · On-site

Software Developer Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation; Software ...

Gromelski & Associates

Software Developer

Manassas, VA · On-site

Software Developer Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation; Software ...

Cornerstone Defense

Software Developer

Mclean, VA · On-site

Job #3387 Software Developer (Systems Software) NARRATIVE WORK REQUIREMENTS ... The Contractor Team shall perform activities related to Full Stack Development in Sponsor's cloud ...

Cymertek

Software Developer

Chantilly, VA · On-site

Software Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Cymertek

Software Developer

Tysons, VA · On-site

Software Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Cymertek

Software Developer

Reston, VA · On-site

Software Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Amyx, Inc.

Software Developer

Springfield, VA · On-site

Overview Amyx is seeking to hire a Software Developer-Intermediate to support our Cybersecurity Division/NGA Defender in the NCR (Offsite) Contractor Site area. Develops, creates, maintains, and ...

Amyx, Inc.

Software Developer

Springfield, VA

Amyx is seeking to hire a Software Developer-Intermediate to support our Cybersecurity Division/NGA Defender in the NCR (Offsite) Contractor Site area. Develops, creates, maintains, and writes/codes ...

Cymertek

Software Developer

Reston, VA · On-site

Software Developer LOCATIONReston, VA 20190 CLEARANCETS/SCI Full Poly (Please note this position ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Cymertek

Software Developer

Chantilly, VA · On-site

Software Developer LOCATIONChantilly, VA 20151 CLEARANCETS/SCI Full Poly (Please note this position ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Cymertek

Software Developer

Tysons, VA · On-site

Software Developer LOCATIONTysons, VA 22182 CLEARANCETS/SCI Full Poly (Please note this position ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Cymertek

Software Developer

Annapolis Junction, MD

Software Developer LOCATIONAnnapolis Junction, MD 20701 CLEARANCETS/SCI Full Poly (Please note this ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Noblis

Software Developer

Washington, DC · On-site

The Software Developer provides technical programming, automation, and data management support to ... Work Environment * Contractor / Alternate Worksite in the Washington DC / VA / MD region

Cymertek

SIGINT Software Developer

Reston, VA · On-site

SIGINT Software Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Cymertek

SIGINT Software Developer

Tysons, VA · On-site

SIGINT Software Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

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All JobsSoftware Developer Contractor JobsSoftware Developer Contractor Jobs in Washington

Software Developer Contractor information

See Washington salary details

$54.4K

$126.7K

$188K

How much do software developer contractor jobs pay per year?

As of Jun 18, 2026, the average yearly pay for software developer contractor in Washington is $126,675.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,900.00 and $147,200.00 per year, depending on experience, location, and employer.

What are Software Developer Contractors?

Software Developer Contractors are professionals hired on a temporary or project basis to design, develop, and maintain software applications for clients or companies. Unlike full-time employees, contractors typically work under a contract for a specific period or for the duration of a project. They may work independently, through agencies, or as part of a consulting firm, and often have specialized skills to meet specific project needs. This arrangement offers flexibility for both the developer and the employer, allowing organizations to scale their technical resources as needed.

What is the difference between Software Developer Contractor vs Software Developer Employee?

AspectSoftware Developer ContractorSoftware Developer Employee
CredentialsTypically requires a relevant degree and technical skills; certifications optionalSame as contractor, often with additional company-specific training
Work EnvironmentContract-based, often remote or on-site for short-term projectsFull-time, usually on-site or hybrid
Employer & Industry UsageCommon in tech firms, startups, consulting agenciesStandard in large corporations, tech companies, and organizations

Software Developer Contractors work on short-term projects, often remotely, with flexible arrangements, while Software Developer Employees are full-time staff with ongoing responsibilities and benefits. Both roles require similar skills and credentials but differ mainly in employment status and work setup.

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

To excel as a Software Developer Contractor, you need strong programming abilities, problem-solving skills, and a solid understanding of software development methodologies, often backed by a relevant degree or equivalent experience. Familiarity with version control systems (like Git), cloud platforms, and proficiency in languages such as Python, Java, or JavaScript are commonly required, along with certifications like AWS Certified Developer or Microsoft Certified: Azure Developer. Excellent communication, time management, and adaptability set top contractors apart, enabling them to quickly integrate with diverse teams and projects. These skills are essential for delivering high-quality, timely solutions in dynamic and varied client environments.

What are some common challenges software developer contractors face when integrating with existing teams?

Software developer contractors often join projects mid-stream and must quickly adapt to unfamiliar codebases, workflows, and team dynamics. A common challenge is building rapport with full-time staff and understanding company-specific coding standards or tools. Contractors are expected to be proactive in communicating, asking questions, and clarifying requirements to ensure smooth collaboration. Being flexible and open to feedback helps contractors deliver quality work while navigating these initial hurdles.
What cities in Washington are hiring for Software Developer Contractor jobs? Cities in Washington with the most Software Developer Contractor job openings:
Software Developer Contractor jobs near you
Software Developer

Software Developer

Gromelski and Associates, Inc.

Fairfax, VA • On-site

$100K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

Software Developer


Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation; Software Development and Testing; System Integration, Testing and Evaluation; Lab Management and Field Installation; Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support.


Software Developer Job Description:


We are seeking an experienced and energetic problem solver with attention to detail, interest in process improvement, and great communication skills. You should be a self-starter, quick-learner, and motivated SW engineer who can work in a fast-paced environment.


Software Developer Required Tasks:


· Development, integration, troubleshooting experience with the Linux/Unix Operating System.

· Experience in software development, integration, troubleshooting using C or C++ or Java or Python

· Experience developing scripts using Bash or Python.

· Experience with software configuration technologies, such as YAML, XML, JSON.


Software Developer Desirable Skills:


· Basic understanding of Agile Full software life-cycle development.

· Experience with infrastructure as code (IaC) concepts and technologies

· Desire to integrate, test and troubleshoot and refactor software systems.


Software Developer Additional Requirements:


· Bachelor’s degree in Computer Science, Computer Programming, Software Engineering, Computer Engineering, Electrical Engineering or equivalent STEM field and at least 1 year of related experience. A combination of education and experience will be considered

· Effective oral and written communication skills.

· Must be able to obtain and maintain a DoD Secret level clearance which means you must be a U.S. Citizen.


Job Location: Manassas, VA. (Relocation Assistance Available)


Benefits: We offer a competitive benefit package.
Click here Careers | GAI (e-gai.com) for more information


Job Type: Full-Time Employee, 40 hours/week


Rate: Negotiable


Start Date: Negotiable


Gromelski and Associates is an equal opportunity employer and does not discriminate in employment on the basis of race, color, religion, sex, pregnancy, national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service or other non-merit factor.

Company Description

Gromelski and Associates, Inc. is a small, woman-owned business. Since 1989, we have provided services for major corporations and large government agencies including the Social Security Administration, Lockheed Martin Corporation, Global Knowledge Network, Digital Equipment Corporation, Nextel Communications, Network Associates, Oracle Corporation, Department of Education, ExecuTrain Corporation, Federal Computer Corporation, and the U.S. Navy. Currently, we develop and deliver technical documentation and multimedia support including interactive electronic technical manuals (IETMs), multimedia applications, computer-based training (CBT), desktop simulation, technical system support including system engineering, software development and programming, lab management, system testing, integration, installation and maintenance for submarine combat systems.