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Software Developer Jobs in Frederick, MD (NOW HIRING)

Leidos

Lead Software Developer

Gaithersburg, MD · On-site

$125.30K - $157.20K/yr

Leidos is seeking a Lead Software Developer , who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal ...

Kepora

Software Developer, Senior

Potomac, MD

$56.25 - $74.50/hr

... software development with basic programming languages, technologies, tools, or web development stacks, and Java and JavaScript in a Linux environment • Experience writing source code for new ...

Leidos

Lead Software Developer

Gaithersburg, MD

$125.30K - $157.20K/yr

Leidos is seeking a Lead Software Developer , who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal ...

Certify

Software Developer

Gaithersburg, MD · On-site

$70K - $120K/yr

The software developer will develop, analyze, and create reports for System Transactions, IoT devices, Biometric, healthcare data information regarding demographics, Observations, Insurance, Payments ...

UPNET

Software Developer

Gaithersburg, MD

$70K - $120K/yr

CERTIFY Global is proud to serve millions of patients and healthcare workers in order to deliver the best possible care. https:\/\/www.certifyhealth.com\/ The software developer will develop, analyze ...

Kepora

Software Developer, Lead

Potomac, MD

$120K - $150.50K/yr

... in software development with basic programming languages, technologies, tools, or web development stacks • Experience with Java and JavaScript in a Linux environment • Experience writing source ...

Goldbelt Apex

Senior Software Developer

Rockville, MD · On-site

$136K - $144K/yr

Summary: The Senior Software Developer is a technical leader responsible for designing, developing, testing, and maintaining software applications in support of internal business operations or ...

Goldbelt Apex

Senior Software Developer

Rockville, MD

$136K - $144K/yr

Summary: The Senior Software Developer is a technical leader responsible for designing, developing, testing, and maintaining software applications in support of internal business operations or ...

Goldbelt, Inc.

Senior Software Developer

Rockville, MD

$136K - $144K/yr

Summary: The Senior Software Developer is a technical leader responsible for designing, developing, testing, and maintaining software applications in support of internal business operations or ...

Kepora

Software Developer

Potomac, MD · On-site

REQUIRED SKILLS AND DEMONSTRATED EXPERIENCE Full Stack Software Development • Demonstrated professional experience in the development, customization, and use of developing applications for ...

Ripple Effect

NLM Sr. Software Developer

Rockville, MD · On-site

$118.17K - $135.89K/yr

The Software Developer will play a key role in supporting the National Library of Medicine (NLM)--a global leader in biomedical research and data science--in its efforts to accelerate biomedical ...

Ripple Effect

NLM Sr. Software Developer

Rockville, MD

$118.17K - $135.89K/yr

The Software Developer will play a key role in supporting the National Library of Medicine (NLM)-a global leader in biomedical research and data science-in its efforts to accelerate biomedical ...

Leidos

Lead Software Developer

Gaithersburg, MD · On-site

$87.10K - $157.45K/yr

Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This ...

Ripple Effect

NLM Sr. Software Developer

Rockville, MD · On-site

$118.17K - $135.89K/yr

The Software Developer will play a key role in supporting the National Library of Medicine (NLM)-a global leader in biomedical research and data science-in its efforts to accelerate biomedical ...

Leidos

Lead Software Developer

Gaithersburg, MD

$87.10K - $157.45K/yr

Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This ...

Leidos

Senior Software Developer

Gaithersburg, MD

$107.90K - $195.05K/yr

Leidos is seeking Senior Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems.

Leidos

Senior Software Developer

Gaithersburg, MD · On-site

$107.90K - $195.05K/yr

Leidos is seeking Senior Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems.

Leidos

Principal Software Developer

Gaithersburg, MD · On-site

$131.30K - $237.35K/yr

Leidos is seeking Principal Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems.

Leidos

Principal Software Developer

Gaithersburg, MD

$131.30K - $237.35K/yr

Leidos is seeking Principal Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems.

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See Frederick, MD salary details

$47.7K

$111.2K

$165K

How much do software developer jobs pay per year?

As of May 30, 2026, the average yearly pay for software developer in Frederick, MD is $111,204.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,500.00 and $129,300.00 per year, depending on experience, location, and employer.

What Do Software Developers Do?

Software developers design and create computer software programs and systems for their employer or client. Their job is to apply the principles of engineering, analytics, and computer science toward the development and testing of all kinds of software and applications. On a day-to-day basis, a software developer helps create and test software from start to finish. They discuss and analyze user requests and requirements, then research and brainstorm practical solutions to meet those needs, and determine the best course of action to create the application. As a software developer, you may develop an entirely new program or improve an existing one; you are responsible for a program’s overall framework and must design precise workflow charts that explain to programmers what code is needed for different aspects of the program.

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

To thrive as a Software Developer, you need strong programming skills in languages like Java, Python, or JavaScript, as well as a solid understanding of computer science fundamentals and a relevant degree or equivalent experience. Familiarity with development tools such as Git, integrated development environments (IDEs), and frameworks like React or .NET is typically required, along with knowledge of agile methodologies or certifications. Problem-solving ability, attention to detail, teamwork, and effective communication are essential soft skills that help you excel in collaborative and fast-paced environments. These skills ensure you can build reliable, maintainable software and adapt to evolving project requirements and technologies.

What are some common challenges software developers face when working on team-based projects?

Software developers often encounter challenges such as coordinating with team members across different time zones, managing code integration from multiple contributors, and maintaining clear communication about project requirements. Effective use of version control systems like Git and regular participation in code reviews can help mitigate these issues. Additionally, adapting to evolving project goals and balancing technical debt with feature development are common hurdles that require strong collaboration and problem-solving skills.

What is a Software Developer?

A Software Developer is a professional who designs, builds, tests, and maintains computer programs or applications. They use programming languages to create software solutions that meet user needs, whether for desktop, mobile, or web platforms. Software Developers work closely with other team members such as designers, analysts, and testers to ensure the final product is functional, reliable, and user-friendly. Their responsibilities can range from writing code and fixing bugs to collaborating on system architecture and deploying updates.

What is the difference between Software Developer vs Software Engineer?

AspectSoftware DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; coding certificationsBachelor's or higher in CS or Software Engineering; certifications may vary
Work EnvironmentDevelops, tests, and maintains software applicationsDesigns and develops software systems; often involved in architecture
Industry UsageCommonly used in tech companies, startups, and IT firmsUsed interchangeably with Software Developer in many organizations

While the roles often overlap, Software Developers focus on coding and building applications, whereas Software Engineers typically work on designing and architecting complex systems. Both roles require similar credentials and are integral to software creation, but their scope and responsibilities can differ based on project size and company structure.

More about Software Developer jobs
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What are popular job titles related to Software Developer jobs in Frederick, MD? For Software Developer jobs in Frederick, MD, the most frequently searched job titles are:
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What cities near Frederick, MD are hiring for Software Developer jobs? Cities near Frederick, MD with the most Software Developer job openings:
Software Developer jobs near you
Lead Software Developer

Lead Software Developer

Leidos

Gaithersburg, MD • On-site

$125.30K - $157.20K/yr

Full-time

Posted 28 days ago

Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

58th of 424 rated business services

Job description

Leidos is seeking a Lead Software Developer, who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal congestion.
Nationwide congestion is increasing, and the need for efficient aircraft traffic planning is critical. The Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration's (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. We are a team of forward-looking professionals in need of a strong candidate with these key required skills: Modern Development (PHP, Python, Java), Structured Data (XML, XSD, XSLT, JSON, CSV), Agile / Scrum development, Drupal, relational databases (PostgreSQL, MySQL, Oracle).
TFDM functions include Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools Electronic Flight Data (EFD); Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS) Replacement or integration of multiple systems in the National Airspace System (NAS). TFDM will share data among controllers, aircraft operators, and airports so they can better stage arrivals and departures and manage traffic flow within terminal airspace for greater efficiency. Stakeholders will have a shared awareness of flights on the ground and in the air, the ability to exchange data electronically, with the goal of a continuous real-time picture of traffic volume and airport resources, making flights more efficient from gate to gate.
Responsibilities:
  • Architect, design, develop, and implement next-generation application using software engineering best practices in the latest technologies:
    • Infrastructure-as-Code and Configuration-as-Code (Terraform, Ansible)
    • Content Management System (Drupal, WordPress)
    • DevOps and CI/CD tooling (Bamboo, Docker, SonarQube, Ansible)
  • Provide software expertise in one or more of these areas: application integration, RESTful services, Drupal administration, security, workflow automation, module integration, user experience (UX), and accessibility compliance (Section 508/WCAG/USDS standards).
  • Investigate and repair application defects regardless of component: automation, front-end, business logic, middleware, or database (PL/SQL and Data Modeling).
  • Brief management, customer, team, or vendors using written or oral skills at appropriate technical level for audience
  • All other duties as assigned or directed

FOUNDATION FOR SUCCESS (Basic Qualifications)
  • Bachelor's degree in computer science, software engineering, mathematics, engineering, or related technical discipline. Master's or Doctorate degree may substitute for required experience.
  • 5+ years of combined experience with modern software development (PHP, Python, Java)
  • 3+ years of combined experience with web development and building responsive UIs with modern front-end technologies
  • Experience working in Agile software development environments.
  • Must be able to obtain and maintain a Public Trust clearance.

FACTORS TO HELP YOU SHINE (Required Skills)
These skills will help you succeed in this position:
  • Solid understanding of modern PHP frameworks (Drupal, Laravel, Symfony).
  • Experience developing modern PHP applications using object-oriented programming principles and contemporary PHP language features including typed properties and union types.
  • Proven experience designing, developing, and maintaining software applications used to create, validate, transform, and manage structured data formats including JSON, CSV, XML, XSD, and XSLT.
  • Demonstrated knowledge of XML schema design (XSD), XSLT transformations, and structured data validation techniques.
  • Experience with automated testing methodologies including unit, integration, and behavior-driven testing using tools such as PHPUnit, Behat/Cucumber, Selenium, or equivalent frameworks.
  • Solid knowledge of front-end technologies including HTML5, JavaScript/TypeScript, CSS3, and responsive UI development principles.
  • Strong experience in automating tasks with scripting languages like Bash, Shell, or Python
  • Experience in use of the UNIX and Linux operating systems
  • Experience using DevOps and CI/CD tools including Git/Bitbucket, Bamboo/Jenkins, SonarQube, and automated build/deployment pipelines.

HOW TO STAND OUT FROM THE CROWD (Desired Skills)
Showcase your knowledge of modern development through the following experience or skills:
  • Strong experience with Ansible Automation and authoring playbooks and roles for installing, maintaining, or upgrading platforms
  • Experience building, packaging, and deploying software applications in Linux environments using RPM-based distribution mechanisms.
  • Experience deploying or supporting applications in AWS cloud environments, related certifications.
  • Experience with AI assisted software development.
  • Experience using Atlassian collaboration and development tools including Jira, Confluence, Bitbucket, and Bamboo.
  • Experience with relational databases including PostgreSQL, MySQL , and Oracle including SQL optimization and ORM technologies such as Doctrine or Eloquent.
  • Experience with FAA and air traffic domain knowledge.
  • Willingness to travel to customer sites

ATMC
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:
May 15, 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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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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