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Full Time Freelance Software Engineer Jobs in Washington

LufCo

Software Engineer

Annapolis Junction, MD · On-site

$150K - $240K/yr

Software Engineer Location: Annapolis Junction, MD Reports To ... Program Manager / Task Lead Job Type: Full-time Clearance Requirement: Active TS/SCI with Polygraph ...

CACI

Software Engineer

Fairfax, VA · On-site

Software Engineer Job Category ... Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type:

Ardent Principles, Inc.

Software Engineer

Chantilly, VA · On-site

$130K - $260K/yr

Active TS/SCI with Full Scope Polygraph LOCATION: Full-time, onsite in Chantilly, VA We have an immediate need for a mission‑driven Software Engineer who thrives in modern Lean Agile environments ...

Analytic Services Inc

Software Engineer

Fort Belvoir, VA · On-site

$99K - $144K/yr

Position Summary ANSER is seeking a Software Engineer to support the development, maintenance ... For more information, please visit: Full-Time Salary Range for this position: $99,000-$144,000 USD ...

Booz Allen Hamilton, Inc.

Software Engineer

Mclean, VA · On-site

Software Engineer The Opportunity: As an AI software engineer, you know that good software is more ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Booz Allen Hamilton, Inc.

Software Engineer

Mclean, VA · On-site

Software Engineer The Opportunity: As an AI software engineer, you know that good software is more ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

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All JobsSoftware Engineer JobsFull Time Freelance Software Engineer JobsFull Time Freelance Software Engineer Jobs in Washington

Full Time Freelance Software Engineer information

What is the difference between Full Time Freelance Software Engineer vs Full Time Software Developer?

AspectFull Time Freelance Software EngineerFull Time Software Developer
Work EnvironmentIndependent, remote or on-site, project-basedIn-house, team-based, office or remote
CredentialsTypically requires coding skills, portfolio, sometimes certificationsOften requires similar coding skills, degrees, certifications
Employment StatusSelf-employed, contract-basedFull-time employee, permanent or contract
Industry UsageCommon in freelance platforms, consultingCommon in corporate, tech companies

While both roles involve software development, a Full Time Freelance Software Engineer works independently on various projects, often remotely, and manages their own schedule. In contrast, a Full Time Software Developer is typically employed full-time by a company, working within a team in a structured environment. The key difference lies in employment status and work setup, though both require strong coding skills and industry experience.

What are popular job titles related to Full Time Freelance Software Engineer jobs in Washington?

For Full Time Freelance Software Engineer jobs in Washington, the most frequently searched job titles are:

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The top searched job categories for Full Time Freelance Software Engineer jobs in Washington are:

What cities in Washington are hiring for Full Time Freelance Software Engineer jobs?

Cities in Washington with the most Full Time Freelance Software Engineer job openings:

Full Time Freelance Software Engineer jobs near you
Infographic showing various Full Time Freelance Software Engineer job openings in Washington as of June 2026, with employment types broken down into 94% Full Time, 4% Part Time, and 2% Contract. Highlights an 73% Physical, 3% Hybrid, and 24% Remote job distribution.

Software Engineer

Johns Hopkins Applied Physics Laboratory

Laurel, MD • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 days ago

Johns Hopkins Applied Physics Laboratory rating

9.6

Company rating: 9.6 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

2nd of 75 rated research

Job description

Description
Are you a skilled software developer with a passion for crafting highly-quality, innovative software products? Do you love solving sophisticated, algorithmically intensive problems?
If so, we're looking for someone like you to join our team at APL.
We are seeking a talented software engineer to help us expand our internal high fidelity, physics simulation capability. Join a hardworking team of engineers and scientists who provide invaluable data across the lab and to our sponsors. We are passionate about crafting fast, reliable software that push the boundaries of existing solutions. Our team is committed to developing quality software by embracing agile methodologies and fostering an environment of learning, and collaboration.
As a Software Engineer you will...
  • Optimize software to take full advantage of powerful, modern computer hardware.
  • Collaborate with a small, dynamic software team to development sophisticated simulation software to improve modeling capabilities.
  • Guide software architecture and design decisions, while mentoring junior members of the team.
  • Work closely with the user community and analysts to rapidly develop features through constant feedback and iteration.

Qualifications
You meet our minimum qualifications for the job if you...
  • Possess a BS in Computer Science, Computer Engineering, Mathematics, or a related field.
  • Have at least 3 years of professional experience as a software engineer.
  • Are a skilled and efficient programmer in systems or scientific programming languages (e.g., Python, C++, Rust, Julia, etc.) with a desire to expand into new areas of coding languages and processes.
  • Are proficient in standard software engineering practices (documenting, testing, CI/CD, logging, etc.).
  • Are familiar with programming for and in a Linux environment.
  • Can effectively collaborate with colleagues of varying experience levels.
  • Have the verbal and writing skills vital for detailing and presenting work to APL colleagues and government sponsors.
  • Are able to obtain an Interim Secret level security clearance by your start date and can ultimately obtain a Final Secret level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

You 'll go above and beyond our minimum requirements if you...
  • Have a M.S. in Computer Science, Computer Engineering, Mathematics, or a related field.
  • Have 5 years of experience as a full time software engineer.
  • Have modern C++ experience.
  • Have CUDA (or other GPGPU) programming experience.
  • Have experience with GPU accelerated ray tracing libraries like OptiX
  • Have HPC experience using SLURM (or equivalent grid engine).
  • Have experience working professionally in an agile development environment.
  • Have familiarity with numerical methods, partial differential equations, and/or physics simulations.
  • Understand common CEM methods such as physical optics, geometric optics, finite difference time domain, method of moments, etc.

#LI-KW1
About Us
Why Work at APL?
The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.
At APL, we celebrate our differences of perspectives and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL's campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at https://www.jhuapl.edu/careers.
All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law. APL is committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact Accessibility@jhuapl.edu.
The referenced pay range is based on JHU APL's good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level with consideration for internal parity. For salaried employees scheduled to work less than 40 hours per week, annual salary will be prorated based on the number of hours worked. APL may offer bonuses or other forms of compensation per internal policy and/or contractual designation. Additional compensation may be provided in the form of a sign-on bonus, relocation benefits, locality allowance or discretionary payments for exceptional performance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Applications are accepted on a rolling basis.
Minimum Rate
$100,000 Annually
Maximum Rate
$195,000 Annually

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