Software developer jobs in Downtown DC, DC and nearby (600 jobs)

Software developer jobs within 25 miles of Downtown DC, DC. Nearby towns and cities are included. Distances are straight-line, not driving distances.

Counted Nov 9, 2026

Hiring at a glance

View jobs

Open jobs: 600
Employers: 225

Advertised starting pay

Average starting payUSD / year: $125,341Across 79 listings

Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.

Where work happens

Remote: 0%0 listings
Hybrid: 1%7 listings
On-site: 20%118 listings

Not specified: 79% (475 listings)

Employers hiring include Leidos (26), CACI International (25), Booz Allen Hamilton_United States (22).

Sources & calculation notes

These figures describe the listings on this role page at the date shown, not the whole job market. Listings can change.

Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.

Hybrid and on-site classifications may be inferred from descriptions. Check the original ad. How we count

Software developer jobs in Downtown DC, DC and nearby

Within 25 miles

Save this search

Added 28 days ago
Web Software Developer II
ATTAINX INC
Herndon, VA
Added 28 days ago
Computer Scientist / Software Developer, Junior - Security Clearance Required
ICF Incorporated, LLC
Adelphi, MD
ICF is actively recruiting for a cleared Computer Scientist / Software Developer, Junior to join our team on-site in Adelphi, MD. This position requires demonstrated Machine Learning, and…
Added 28 days ago
Software Developer, Journeyman (Security Clearance Required)
ICF Incorporated, LLC
Arlington, VA
ICF is actively recruiting for an experienced Software Developer to support the research and development of new cyber analytic capabilities that will help the US protect and defend its…
Added 28 days ago
Cloud Integration Software Developer (TS/SCI with Polygraph required)
Red Alpha
Laurel, MD
Added 28 days ago
APEX Software Developer (TS/SCI with Polygraph required)
Red Alpha
Laurel, MD
Added 28 days ago
S
Software Developer (Senior)
SOSi
Chantilly, VA
- $102,414 to $212,706 USD / year
SOSi is seeking a Software Developer to support our government customer in Chantilly, VA
Added 28 days ago
Software Developer (Expert)
SOSi
Chantilly, VA
SOSi is seeking a Software Developer to support our government customer in Chantilly, VA.
Added 28 days ago
Software Developer (Senior)
SOSi
Chantilly, VA
SOSi is seeking a Software Developer to support our government customer in Cha
Added 28 days ago
Full-Stack Software Developer
RumbleUp
Washington, DC
Added 28 days ago
eLearning-Multimedia Developer - Remote (DC, MD, VA- Locals only)
Swingtech
Greenbelt, MD
Added 28 days ago
Application Developer - Senior
Aleut Federal
Reston, VA
Added 28 days ago
EPM Cloud Application Developer
Booz Allen Hamilton_United States
McLean, VA
Added 28 days ago
Software Developer, Lead
Booz Allen Hamilton_United States
Fort Meade, MD
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 28 days ago
UI Full Stack Software Developer
Booz Allen Hamilton_United States
Fort Meade, MD · Laurel, MD
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 28 days ago
Software Developer, Senior
Booz Allen Hamilton_United States
Herndon, VA
As a software sustainment engineer, you play a pivotal role in an application’s functional life. From troubleshooting to fixing bugs, you use your operations and maintenance skills to…
Added 28 days ago
Software Developer, Senior
Booz Allen Hamilton_United States
Herndon, VA
As a software sustainment engineer, you play a pivotal role in an application’s functional life. From troubleshooting to fixing bugs, you use your operations and maintenance skills to…
Added 28 days ago
Software Developer - Pipeline
Orion Consortium
Fort Meade, MD
Research, design, and develop computer and network software or specialized utility programs. Analyze user needs and develop software solutions, applying principles and techniq
Added 28 days ago
Software Developer, Senior
Booz Allen Hamilton_United States
Fort Meade, MD
As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 28 days ago
Software Developer
Booz Allen Hamilton_United States
Fort Meade, MD
As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 28 days ago
Azure Cloud Developer, Mid
Booz Allen Hamilton_United States
Fort Belvoir, VA
…applications. Our cloud service broker team is looking for a developer with a good understanding of Microsoft Azure cloud infrastructure, containerization, and networking to make new cloud…
Added 28 days ago
Software Developer
Booz Allen Hamilton_United States
Fort Meade, MD
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 28 days ago
Full-Stack Linux Cyber Application Developer
Booz Allen Hamilton_United States
Herndon, VA
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 28 days ago
Full-Stack Linux Cyber Application Developer, Lead
Booz Allen Hamilton_United States
Herndon, VA
As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 28 days ago
Software Developer/Engineer
Avalore, LLC
Arlington, VA
The Software Developer/Engineer will perform hands-on software development and integration for the WDP System's software components, including infrastructure, data tools, and user…
Added 28 days ago
Lead Application Developer
Revolutional, LLC
McLean, VA · Suitland, MD

LEIDOS, INC.

Sr. Software Developer

Gaithersburg, MD, United States

Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

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Job details

Pay: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
Experience: 4-8 Years work experience in a Computer Science related position (outside academic experience)
Posting language: English
Posted: Jul 13, 2026

Original job description

Leidos is seeking a Sr. Software Development Engineer who will be a member of a dynamic team working on the Federal Aviation Administration’s En-Route Automation Modernization ERAM) system, which is the heart of the Next Generation Air Traffic Control System. ERAM is vital to air navigation, providing the backbone foundational platform for all ATC Systems.

Developers on ERAM support new system capabilities/enhancements requested by the FAA and system upgrades based on Tech Refresh initiatives. ERAM also enables increased air traffic flow as the need for additional capabilities evolve. Leidos is looking for developers for the ERAM middleware layer which we refer to as “FlightDeck”.

Flight Deck (FDK) functions, capabilities include:

Real-Time Programming on High Availability Systems
Multi-threaded programming
Low Level Operating Systems (Linux) - Customization, RPMs, Firmware, Unix Command Line
SW/HW Integration, NetApp, Hardware, Ansible Playbooks, automation (scripting languages)
Low level communication software (TCP-IP, UDP, SCTP)
Support of Common Services utilized by ERAM Application teams
System Maintenance Concepts

Primary Responsibilities

Modernizing the AT control system by improving the availability and performance of the ERAM system.
Supporting ERAM as it continues to migrate upgrade hardware, software, OS levels, firmware, security, and CAS. Detailed knowledge of Linux OS and OS concepts desirable.
Optimizing the experience for the flying public, Air Traffic Control, and the airline industry by improving the collaboration and decision-making capabilities of flight controllers
Develop Maintain FAA air traffic control software (primarily Ada95/C++) on a UNIX/Linux platform. Leverage (KSH/PERL/PYTHON) for automation capabilities.
Performing software development as needed for the ERAM system
Coordinate Solutions with Systems Engineering
Coordinate the development of new capabilities and upgrade to common services provided the applications via the FlightDeck API.
Leveraging AI/ML concepts to improve SW processes and capabilities

Basic Qualifications Computer Science or Computer Engineering Degree Demonstrated Software Development Skills/Capabilities Excellent Verbal and Communication Skills Flexibility in working across multiple SW languages Demonstrated ability to debug and solve problems A Strong Desire to Learn & Improve your Technical Capabilities 4-8 Years work experience in a Computer Science related position (outside academic experience)

Preferred Qualifications Work Experience in a Technical organization performing Software Engineering Tasks. Previous Software Experience working Air Traffic Control Programs Leadership Skills & Experience

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

July 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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More about this job

Skills

Software development
Work as a team
Route
Air traffic management
Linux
Firmware
UNIX
Ansible
Communication skills
Control systems
Decision making
C++
Perl
Python
ML
Computer science
Computer engineering
Leadership

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