Software developer jobs in College Park, MD and nearby (527 jobs)

Software developer jobs within 25 miles of College Park, MD. 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: 527
Employers: 213

Advertised starting pay

Average starting payUSD / year: $127,941Across 76 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: 15%77 listings

Not specified: 84% (443 listings)

Employers hiring include Booz Allen Hamilton_United States (22), Leidos (17), Steampunk (16).

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 College Park, MD and nearby

Within 25 miles

Save this search

Added 22 days ago
Senior Software Developer
SkillStorm
Washington, DC
…to step into it. What you need is a strong foundation as a software developer. SkillStorm hires working developers, pays them through six weeks of intensive AI engineering training, and…
Added 22 days ago
Junior Software Developer
SkillStorm
Washington, DC
Launch your software career with a company built to do exactly that.
Added 22 days ago
ServiceNow Application Developer / Programmer Senior
General Dynamics Information Technology
Falls Church, VA
Bill of Materials Software,ServiceNow Hardware Asset Management,ServiceNow Platform,ServiceNow Software Asset Management
Added 22 days ago
Software Developer
CACI International
Springfield, VA
The T3 Software Developer is responsible for applying engineering principles and knowledge of programming languages to build software solutions for NSG/ASG end users. This position requires…
Added 22 days ago
Senior Principal Software Developer
CACI International
Springfield, VA
Job Title: Senior Principal Software Developer
Added 22 days ago
Full Stack Software Developer - TOR
CACI International
Fairfax, VA
Job Title: Full Stack Software Developer - TOR
Added 22 days ago
Oracle Application Developer/Programmer (Mid-Level)
General Dynamics Information Technology
Fairfax, VA
Java Software Development,Oracle Database,PL/SQL (Programming Language),Software Application Development,Structured Query Language (SQL) Development
Added 22 days ago
Software Developer Sr Principal
General Dynamics Information Technology
Fairfax, VA
Deliver simple solutions to complex problems as a Software Developer Sr Principal at GDIT. You will tailor cutting-edge solutions to ou
Added 22 days ago
Senior Scientific Computing Software Developer
Applied Research Associates, Inc.
Alexandria, VA
…Associates, Inc. (ARA) is seeking a Senior Scientific Computing Software Developer for our Alexandria, VA location. The ideal candidate has interests in developing scientific computing…
Added 22 days ago
Scientific Computing Software Developer
Applied Research Associates, Inc.
Alexandria, VA
…Research Associates, Inc. (ARA) is seeking a Scientific Computing Software Developer for our Alexandria, VA location. The ideal candidate has interests in developing scientific computing…
Added 22 days ago
Software Developer Manager
CACI International
Reston, VA
CACI is seeking an experienced Software Developer Lead to support CACI’s mission critical financial and acquisition systems built on Momentum. In this role, you will lead technical…
Added 22 days ago
Software Developer VI
General Atomics
Herndon, VA
Added 22 days ago
Full-Stack Software Developer, TS/SCI with Polygraph
General Dynamics Information Technology
Herndon, VA
Own the opportunity as a Full-Stack Software Developer and help ensure the mission is never interrupted. At GDIT, we deliver cl
Added 22 days ago
Software Developer III
General Atomics
Herndon, VA
Added 22 days ago
Full Stack Software Developer with C#/.NET Expertise
CACI International
McLean, VA
Job Title: Full Stack Software Developer with C#/.NET Expertise
Added 22 days ago
Software Developer (Java) - TS/SCI w/Poly
General Dynamics Information Technology
McLean, VA
Ensure the safety and security of our nation as a Software Developer at GDIT. You’ll apply the latest technology and provide o
Added 22 days ago
Application Developer Lead
ManpowerGroup
Arlington, VA
Our client, a leading organization in the technology and government services sector, is seeking a Application Developer Lead to join their team. As a Application Developer Lead, you will be…
Added 22 days ago
Senior Software Developer
Kelly Services
Arlington, VA
Our client is hiring a Senior Software Developer for a full-time opportunity in the U.S., with a virtual-first/hybrid work environment. This company is a national nonprofit organization…
Added 22 days ago
Oracle Application Developer
DRT Strategies, Inc.
Arlington, VA
Added 22 days ago
Python Software Developer
Arena Technical Resources, LLC
Springfield, VA
enterprise-wide systems and/or applications software
Added 22 days ago
Software Developer
Arena Technical Resources, LLC
Springfield, VA
Added 22 days ago
Senior Software Developer
CGI
Arlington, VA
CGI Federal is seeking an experienced Senior Software Developer to lead the design and development of complex software applications. This role is ideal for seasoned developers who are ready…
Added 22 days ago
HP108 Scientific Software Developer
ADNET Systems, Inc.
Greenbelt, MD
We are seeking a junior Scientific Software Developer to provide development and maintenance support for the Space Physics Archive Search and Extract (SPASE) Metadata Working Team (SMWT)…
Added 22 days ago
AI Software Developer
Leidos
Gaithersburg, MD
Leidos is seeking an AISoftware Developer to join the Air Traffic Business Area within the Homeland Sector supporting the development of the Leidos Common Automation Platform (L-CAP). L-CAP…
Added 22 days ago
MCCO Software Developer SME | Active TS/SCI CI Poly
General Dynamics Information Technology
Fort Meade, MD
Transform technology into opportunity as a Software Developer SME at GDIT. Shape what’s next for mission-critical government projects

System One

Sr. Software Developer

Gaithersburg, MD, United States

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Applications open in a new tab.

Job details

Apply by: Dec 22, 2026
Posting language: English
Posted: Sep 23, 2026

Original job description

Senior Software Engineer

Location: Gaithersburg, MD

Schedule: Full Time

Work Arrangement: Onsite

Travel Required: No

Shift: Day

Clearance Required: Active Top Secret/SCI with the ability to successfully complete a polygraph examination Position Overview We are seeking an experienced Senior Software Engineer to support the design, development, deployment, and maintenance of mission-critical enterprise applications. This position is ideal for a hands-on developer who enjoys solving complex technical problems, building reliable software, and collaborating within an Agile engineering environment.

The Senior Software Engineer will work closely with product owners, architects, Scrum Masters, DevSecOps teams, and fellow developers to deliver secure, scalable, and maintainable software solutions. Primary Responsibilities

Design, develop, test, deploy, and maintain enterprise software applications using modern development practices
Develop clean, maintainable, and well-documented code that follows secure coding standards and engineering best practices
Design and implement RESTful APIs, microservices, and distributed application solutions
Participate in Agile ceremonies, including sprint planning, backlog refinement, daily stand-ups, sprint reviews, and retrospectives
Collaborate with product owners, architects, DevSecOps engineers, and development teams to deliver high-quality software
Develop automated unit, integration, and end-to-end tests to support application quality and reliability
Perform code reviews and provide technical guidance to junior developers
Troubleshoot complex application issues and perform root cause analysis
Collaborate with DevSecOps teams to support CI/CD pipelines and automated deployments
Optimize application performance, scalability, reliability, and security
Participate in architecture discussions, modernization initiatives, and technical roadmap planning
Support production deployments and resolve issues within mission-critical environments Required Qualifications
Active Top Secret/SCI clearance
Ability to successfully complete a polygraph examination
Bachelor’s degree in Computer Science, Software Engineering, or a related field with 8 to 12 years of relevant experience, or a master’s degree with 6 to 10 years of relevant experience
Eight or more years of professional software development experience
Strong hands-on proficiency in at least one object-oriented programming language, such as Java, C#, Python, or C++
Experience developing web-based applications or enterprise software solutions
Experience designing, developing, and consuming RESTful APIs
Experience working with relational databases, NoSQL databases, or both
Strong understanding of object-oriented design principles and software design patterns
Experience using Git or another distributed version control system
Experience working within Agile Scrum or SAFe development environments
Strong analytical, debugging, and problem-solving skills
Strong written and verbal communication skills Preferred Qualifications
Experience developing cloud-native applications using AWS, Azure, or another cloud platform
Experience with Docker, Kubernetes, or other container technologies
Experience designing or developing microservices architectures
Familiarity with DevSecOps practices and CI/CD tools such as Jenkins, GitLab CI, or Azure DevOps
Experience with Infrastructure as Code tools such as Terraform or Ansible
Experience with messaging technologies such as Kafka or RabbitMQ
Experience with React, Angular, Vue.js, or another modern front-end framework
Familiarity with Elasticsearch, Redis, or similar enterprise technologies
Experience following secure software development lifecycle practices
Security+ or another applicable DoD 8570/8140 aligned certification Work Environment
This is a full-time, onsite position based in Gaithersburg, Maryland. Candidates must be able to work onsite during normal daytime business hours.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1

Ref: #856-Baltimore-S1

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More about this job

Skills

Agile
API development
Microservices
Troubleshoot
Root cause analysis
CI/CD
Computer science
Software development
Object-oriented programming
Oracle Java
C#
Python
C++
NoSQL
Design principles
Git
Control systems
Scrum
Debugging
Problem solving
Communication skills
AWS
Microsoft Azure
Docker
Kubernetes
Jenkins
GitLab
DevOps
Infrastructure as code
IBM Terraform
Ansible
Apache Kafka
RabbitMQ
React
Vue.js
Elasticsearch
Redis
Security+

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