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Freelance Application Software Engineer Jobs in Frederick, MD

M&J Engineering

Software Engineer

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... problem-solving and application systems development Interface with other offices to ensure ... software engineering tasks including requirements specification, system design, development ...

M&J Engineering

Software Engineer

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... and application systems development • Interface with other offices to ensure integration and ... software engineering tasks including requirements specification, system design, development ...

M&J Engineering

Software Engineer

Rockville, MD

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... and application systems development • Interface with other offices to ensure integration and ... software engineering tasks including requirements specification, system design, development ...

Chenega Corporation

Software Engineer

Gaithersburg, MD · On-site

Summary Software Engineer Gaithersburg, MD Are you ready to enhance your skills and build your ... Support cloud-based application development and migration initiatives utilizing commercial cloud ...

Chenega MIOS

Software Engineer

Gaithersburg, MD · On-site

Req ID: 41420 Summary Software Engineer Gaithersburg, MD Are you ready to enhance your skills and ... Support cloud-based application development and migration initiatives utilizing commercial cloud ...

Business System Solutions

Software Engineer

Leesburg, VA · On-site +1

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Software Engineer Overview: The Software Engineer is responsible for designing, developing, testing ... Experience with application design, debugging, and performance optimization. * Excellent problem ...

Business System Solutions

Software Engineer

Leesburg, VA · On-site +1

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Software Engineer Overview: The Software Engineer is responsible for designing, developing, testing ... Experience with application design, debugging, and performance optimization. * Excellent problem ...

Raytheon Technologies

Senior Software Engineer (Onsite)

Dulles, VA · On-site

$121K - $159K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Software Engineering positions include working on a variety of different tasks including application software development, test and verification, data analysis, software tools development, and many ...

Raytheon Technologies

Software Engineer II (Onsite)

Dulles, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Software Engineering positions include working on a variety of different tasks including application software development, test and verification, data analysis, software tools development, and many ...

WGS SYSTEMS LLC

Software Engineer

Frederick, MD · On-site

$131K - $177K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

Paid time off WGS Systems, LLC, is looking for a dynamic and self-motivated Software Engineer with ... with web application frameworks and javascript / TypeScript. · Understanding of C/C++ memory ...

LinTech Global, Inc.

Be Seen First

Software Engineer SME

Blue Ridge Summit, PA · On-site

$175K - $185K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Software Engineer SME Dexian Government Solutions is recruiting for a Software Engineer SME to ... and enterprise application development. · Experience with SQL databases and data-driven ...

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Freelance Application Software Engineer information

See Frederick, MD salary details

$50.2K

$110.1K

$151.1K

How much do freelance application software engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for freelance application software engineer in Frederick, MD is $110,064.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,500.00 and $134,200.00 per year, depending on experience, location, and employer.
Freelance Application Software Engineer jobs near you

Software Engineer (Level 3/4)

Northrop Grumman Corporation

Dulles, VA • On-site

$142K - $213K/yr

Full-time

Medical, Life, PTO

Re-posted yesterday

Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 363 frontline employees who took The Breakroom Quiz

89th of 540 rated manufacturers

Job description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Do you want to work at an international company with endless opportunities for growth and advancement? Are you eager to join a trust-based, globally-connected team, where your contributions will define what's possible?

We are looking for team members who want to solve interesting, complex problems, which protect our nation. Your talents and passion are most important to us. If you don't know a language, program, or platform, we will teach you! Become a part of our enthusiastic team where we have fun working together and take pride in our contributions to the nation's safety.

We are recruiting for mid-level and senior engineers with a background in Software Development Engineering.

In these role, the focus will be on development, integration, deployment, and sustainment of satellite ground software. These positions are located onsite on our Dulles, VA campus, and requires a Top Secret clearance at the time of application.

What you'll get to do:

  • Full stack development at the OS, platform, and mission unique software layer

  • Developing client and server applications and services using service or object-oriented architectures, message bus-based data exchange that include first-of-a-kind capabilities

  • Applications will span languages and toolsets including Python, C++, Postgres, Ansible, cloud infrastructure provisioning, PKI, and static code analysis execution and finding remediation

  • Developer will be expected to be a self-starter capable of making decisions with overall project budget and schedule in mind

  • Support Operations ground software and associated configurations. This will involve troubleshooting both software errors and hardware affecting the operation of ground software

  • Support Acceptance Test events, including running tests

  • Test Automation

  • Configuration of ground segment software

  • Resolution and remediation of software defects

  • Software Enhancements as directed by customer change requests or mission needs

  • Ground software support during launch and launch rehearsal events

  • Support the installation of new ground segment software in operational, development and test environments

What does success look like?

As a successful employee, you will:

  • Be an active and integral member of your team

  • Channel your enthusiasm to innovate

  • Be part of a supportive team that develops and deploys technologies that matter to our national security

  • Work with agility, flexibility, and collaboration to explore creative ideas

*This position can be filled at either the Software Engineer 3 or 4 level .

Basic Qualifications:

Software Engineer Level 3

  • Bachelor's degree in a STEM field (ideally Computer Science or Engineering) and 5 years of experience; OR a master's degree and 3 years: OR a PhD (outside of internships, research projects, etc.) Experience can be considered in lieu of degree (Additional 4 years)

  • Demonstrated software development experience

  • Python application development, C++, Bash Scripting experience

  • U.S. Citizenship

  • A current or active Top-Secret clearance is required at the time of application

Software Engineer Level 4

  • Bachelor's degree in a STEM field (ideally Computer Science or Engineering) and 8 years of experience; OR a master's degree and 6 years: OR a PhD and 3 years. Experience can be considered in lieu of degree (Additional 4 years)

  • Demonstrated software development experience

  • Python application development, C++, Bash Scripting experience

  • U.S. Citizenship

  • A current or active Top-Secret clearance is required at the time of application

Preferred Qualification:

  • Strong preference given to Top Secret with SCI

Primary Level Salary Range: $114,000.00 - $171,000.00Secondary Level Salary Range: $142,200.00 - $213,400.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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