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Federal Government Software Engineer Jobs in Seattle, WA

CACI International, Inc.

C# Software Engineer

Everett, WA · On-site

$66K - $133K/yr

Job Title: C# Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance ... Federal Government contract labor categories and contract wage rates, relevant prior work ...

Microsoft

Sr. Software Engineer - CTJ - Poly

Redmond, WA · On-site

$119K - $234K/yr

... to meet federal government customer requirements. You will be asked to provide clearance ... Software Engineers, Program Managers, Security Researchers, and Data Scientists Software ...

Microsoft

Sr. Software Engineer -CTJ- Poly

Redmond, WA · On-site

$137K - $180K/yr

... to meet federal government customer requirements. You will be asked to provide clearance ... Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 ...

Microsoft

Sr. Software Engineer -CTJ- Poly

Redmond, WA · On-site

$137K - $180K/yr

Microsoft has an exciting opportunity for a Senior Software Engineer in the Microsoft Specialized ... meet federal government customer requirements. • You will be asked to provide clearance ...

Microsoft

Software Engineer

Redmond, WA · On-site

$133K - $219K/yr

Other Requirements Ability to meet Microsoft, customer and/or government security screening ... Experience with software engineering fundamentals, including data structures, algorithms, object ...

Relativity

Software Engineer

Seattle, WA · On-site

The world's largest law firms, corporations, and government agencies rely on Relativity's legal AI ... This role reports to the Manager of Software Engineering and provides the opportunity to work on ...

SpaceX

Software Engineer (Starlink)

Redmond, WA · On-site

$145K - $175K/yr

Employees in Washington State accrue paid sick time in compliance with state and federal law ... S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S ...

Microsoft

Software Engineer

Redmond, WA · On-site

$133K - $219K/yr

Other Requirements Ability to meet Microsoft, customer and/or government security screening ... software engineer, developing and shipping software in Python, C#, Java or modern language ...

Microsoft

Software Engineer II - CTJ - Poly

Redmond, WA · On-site

$109K - $149K/yr

... to meet federal government customer requirements. You will be asked to provide clearance ... Software Engineering IC3 - The typical base pay range for this role across the U.S. is USD $102,100 ...

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Showing results 1-20

All JobsFederal Government Software Engineer JobsFederal Government Software Engineer Jobs in Seattle, WA

Federal Government Software Engineer information

See Seattle, WA salary details

$72.3K

$167.9K

$233.9K

How much do federal government software engineer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for federal government software engineer in Seattle, WA is $167,886.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,600.00 and $196,900.00 per year, depending on experience, location, and employer.

What is a federal government software engineer?

A Federal Government Software Engineer designs, develops, and maintains software systems for government agencies. They work on secure, scalable, and mission-critical applications that support public services, defense, cybersecurity, and other national priorities. These engineers follow strict security and compliance guidelines, often collaborating with other government and contractor teams. The role may require knowledge of specific programming languages, cloud computing, and cybersecurity best practices. Security clearances may also be necessary, depending on the agency and project.

What do federal government software engineers do?

As a Federal Government Software Engineer, you may work on projects ranging from developing secure web applications and data management systems to maintaining legacy platforms or implementing new cloud solutions. Your responsibilities often include coding, system integration, collaborating with cross-functional teams, and ensuring compliance with federal cybersecurity guidelines. You might also participate in requirements analysis, testing, and deploying software solutions that serve the needs of both internal users and the public. The work environment is typically collaborative, structured, and mission-driven, with opportunities to contribute to impactful, large-scale initiatives.

What skills and qualifications are needed to be a federal government software engineer?

To thrive as a Federal Government Software Engineer, you need a strong background in computer science, programming languages (such as Java, Python, or C++), and a relevant degree or equivalent experience. Familiarity with government-specific software systems, cloud platforms, cybersecurity standards (like FedRAMP or FISMA), and security clearances is often required. Excellent problem-solving, communication, and teamwork skills are crucial for collaborating with diverse stakeholders and managing complex projects. These abilities ensure the secure, reliable, and efficient development of software systems that support critical government operations.

What are the most commonly searched types of Federal Government Software Engineer jobs in Seattle, WA?

The most popular types of Federal Government Software Engineer jobs in Seattle, WA are:

What are popular job titles related to Federal Government Software Engineer jobs in Seattle, WA?

For Federal Government Software Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Federal Government Software Engineer jobs in Seattle, WA look for?

The top searched job categories for Federal Government Software Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Federal Government Software Engineer jobs?

Cities near Seattle, WA with the most Federal Government Software Engineer job openings:

Federal Government Software Engineer jobs near you
Infographic showing various Federal Government Software Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 80% Full Time, and 20% Part Time. Highlights an 100% In-person job distribution, with an average salary of $167,886 per year, or $80.7 per hour.

C# Software Engineer

CACI International, Inc.

Everett, WA • On-site

$66K - $133K/yr

Full-time

Medical, Retirement, PTO

Posted 7 days ago

Job description

Job Title: C# Software Engineer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
* * *
The Opportunity:
CACI at looking for a C# software engineer to design, develop, and maintain software tools that keep aircraft safe and operational. Your work will directly impact the Navy's F/A-18 fleet readiness by enhancing maintenance detection software and anomaly detection algorithms. This role requires travel to NAS Whidbey for software deployment and troubleshooting. Candidate must reside in the greater Seattle area.
Responsibilities:
  • Design and develop full stack applications for aircraft maintenance detecting and reporting.
  • Develop responsive and user-friendly front-end interfaces while contributing to back-end integration and API development to ensure seamless end-to-end functionality.
  • Collaborate effectively within a cross-functional Agile team, participating in stand-ups, sprint planning, and retrospectives to ensure timely delivery of high-quality solutions.
  • Build robust backend services with C# to manage large datasets.
  • Perform thorough software testing and debugging to ensure functionality, reliability, and performance, identifying and resolving issues throughout the development lifecycle.
  • Write clean, efficient, and scalable code following best practices and coding standards to ensure maintainability and long-term performance of applications

Qualifications:
Required:
  • Bachelor's degree in Computer Science, Software Engineering, Aerospace Engineering, or a related field.
  • C# and Python experience.
  • 0 - 3 years of job experience.
  • Resid within greater Seattle area.
  • Strong problem-solving skills and ability to work both independently and as part of a collaborative team.
  • Excellent communication skills and a strong attention to detail.
  • Candidate must be a US Citizen, and able to obtain a DoD Secret Clerance.

Desired:
  • Active DoD Secret Clerance.
  • CompTIA Security + Certification.

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$66,700 - $133,300
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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