Top 5290 Software Developer, Principal Jobs in Arlington, VA

Senior Python Developer
Leidos —Chantilly, VA
- $131,300 - $237,350 a year
- Full-time
- Azure
- Computer Science
- Bachelor of Science
Senior Application Engineer - Oracle ERP-PVM & Ivalua VenDoor
Navy Federal Credit Union —Vienna, VA
- $130,500 - $179,500 a year
- Online Application
- 7 years
- Computer Science
- Office
Center Director Childcare
LLE Education Group —Centreville, VA
- $55,000 - $65,000 a year
- No weekends
- Background check
- Classroom
- Inventory management
- Health insurance
- Dental insurance
Quick Apply
Lead Software Engineer, Data & DevSecOps
Leidos —Arlington, VA
- $131,300 - $237,350 a year
- Full-time
- Java
- SQL
- Bachelor's degree
Salesforce Developer (Salesforce/Fonteva)
American Retirement Association —Arlington, VA
- $110,000 - $125,000 a year
- Full-time
- Hybrid work
- Software troubleshooting
- Salesforce
- Mid-level
- Free parking
- Profit sharing
Quick Apply
Senior .Net Developer
Network Designs Inc. —Alexandria, VA
- $125,000 - $135,000 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Disability insurance
Quick Apply
VA-1100: Senior Biometric Software Engineer (U.S. Citizen)
Athena Sciences Corporation —Rosslyn, VA
- $100,000 - $115,000 a year
- Full-time
- Hybrid work
- Background check
- Bachelor of Science
- DevOps
- AD&D insurance
- Paid holidays
Quick Apply
Back End Developer - AI Trainer
DataAnnotation —Tysons, VA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Software Developer - AI Trainer
DataAnnotation —Rosslyn, VA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Senior .NET Developer (US citizen/Hybrid Work/Public Trust Required)
IvoryCloud —Rockville, MD
- $110,000 - $140,000 a year
- Full-time
- Hybrid work
- Computer Science
- Office
- Bachelor's degree
- Disability insurance
- Health insurance
Quick Apply
9d
Senior UI/UX Engineer
LendingPad Corp —McLean, VA
- $100,000 - $140,000 a year
- Full-time
- Background check
- Computer science
- 7 years
- Health savings account
- Health insurance
Quick Apply
AP108 HEASARC Senior Scientific Software Developer
ADNET Systems, Inc. —Greenbelt, MD
- Computer Science
- Bachelor of Science
- Bachelor's degree
- Paid holidays
- Disability insurance
Quick Apply
Senior Software Engineer
Freddie Mac —McLean, VA
- $129,000 - $193,000 a year
- Full-time
- Computer Science
- 5 years
- System design
Sr. Software Engineer TS/SCI Polygraph
Leidos —Alexandria, VA
- $131,300 - $237,350 a year
- Full-time
- Bachelor of Science
- Writing skills
- Windows
Software Developer (C# / .NET - Logistics & Industrial Systems)
x2 solutions LLC —Herndon, VA
- $75,000 - $95,000 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- System design
- Health insurance
- Dental insurance
Quick Apply
DevSecOps Engineer (TS/SCI)
Vantor —Herndon, VA
- $113,000 - $165,000 a year
- Full-time
- Computer science
- Computer Science
- Office
- 401(k) matching
- Pet insurance
6d
Cloud Engineer
Leidos —Bethesda, MD
- $107,900 - $195,050 a year
- Full-time
- Computer science
- 6 years
- Computer Science
- Flexible schedule
AP106 Scientific Software Developer
ADNET Systems, Inc. —Greenbelt, MD
- Mid-level
- 3 years
- Bachelor's degree
- Paid holidays
- Disability insurance
Quick Apply
Software Engineer Senior
Freddie Mac —McLean, VA
- $129,000 - $193,000 a year
- Full-time
- Azure
- Computer Science
- 5 years
Full Stack Developer with TS/SCI
OneGlobe LLC —Washington, DC
- Full-time
- Hybrid work
- Background check
- 7 years
- 6 years
- Health insurance
- Dental insurance
Quick Apply

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Software Developer, Principal jobs near Arlington, VA

Senior Python Developer

Leidos -
Chantilly, VA

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Job Details

Full-time
$131,300 - $237,350 a year

Qualifications

Software engineering
Linux support
Full-stack development
Infrastructure as Code (IaC)
IT system monitoring
AWS
PostgreSQL
Web applications
Agile software development
UI
Cloud automation
TS/SCI with Polygraph
Data visualization
DevOps automation
GitLab
Linux administration
System performance monitoring

Full Job Description

Description

Who We Are:

Kudu Dynamics is a Leidos owned company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers, engineers, makers, and shakers have experience spanning centuries of research, development, and operations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics is uniquely qualified to anticipate tomorrow’s threats and build the next of capabilities.

Job Description:

Join a growing team of security researchers and software engineers as we transition a state-of-the-art IoT security solution from the lab to multiple customers. This role sits at the intersection of helping end users, developing new features, and coordinating with technical partners to integrate new datasets and technologies. This position can be in Columbia, Maryland or Chantilly, Virginia.

Minimum Requirements

US Citizenship with TS/SCI and Counter-Intelligence Polygraph clearance
Four years of experience in a Python Development role
Bachelor’s degree in computer science, Software Engineering, Computer Engineering, or related field
Expertise in scripting (Python, shell scripting)
Expertise with Docker and container orchestration (Nomad, Kubernetes, Docker Swarm)
Proficiency in software development in Python
Experience with infrastructure as code (Terraform, Ansible)
Experience delivering solutions on AWS
Experience with system monitoring, introspection, and visualization technologies (Grafana, Prometheus, ELK stack)
Experience with GitLab CI/CD
Experience working in an Agile Scrum development team
Database administration/development experience with PostgreSQL or similar
Experience supporting full-stack solutions including RESTful API and Angular-based web UI
Experience with networking protocols (TCP, UDP, HTTPS, TLS)
Experience with user management and onboarding new users
Experience with Twelve-Factor App methodology
Linux system administration experience
Self-starter requiring minimal supervision
Intelligent, proactive, and driven to achieve results

Specific Duties

Troubleshoot and maintain the deployed application
Onboard and managing new users
Actively search for and screen new data sources and technologies to meet program demands
Serve as primary point of contact for current and future data sources/technical partners
Set up technical exchange meetings and gather/catalogue data information
Understand security restrictions and access requirements

Education Requirements

BS/MS (BA/MA) in a technical degree field, plus a minimum of 4 years directly related experience
In lieu of a degree, 10 years of directly related experience

Technical Skills

Expertise with Linux system administration
Expertise in scripting (Bash, Python)
Expertise with container build tools (Docker, Buildah)
Expertise with Kubernetes (installing, managing, operating)
Experience with Kubernetes CD tools (FluxCD, ArgoCD)
Experience with infrastructure as code (Terraform, Helm)
Experience delivering solutions on AWS/Azure
Experience with system monitoring, introspection, and visualization technologies (Prometheus, Grafana, Loki, ELK stack)
Experience with GitLab CI
Experience with networking protocols (TCP, UDP, HTTPS, TLS); comfortable diagnosing and resolving networking issues

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:

March 2, 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 $131,300.00 - $237,350.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Apply Now

Refine Your Search

Software Developer, Principal jobs in Arlington, VA

Senior Python Developer

Senior Application Engineer - Oracle ERP-PVM & Ivalua VenDoor

Center Director Childcare

Lead Software Engineer, Data & DevSecOps

Salesforce Developer (Salesforce/Fonteva)

Senior .Net Developer

VA-1100: Senior Biometric Software Engineer (U.S. Citizen)

Back End Developer - AI Trainer

Software Developer - AI Trainer

Senior .NET Developer (US citizen/Hybrid Work/Public Trust Required)

Senior UI/UX Engineer

AP108 HEASARC Senior Scientific Software Developer

Senior Software Engineer

Sr. Software Engineer TS/SCI Polygraph

Software Developer (C# / .NET - Logistics & Industrial Systems)

DevSecOps Engineer (TS/SCI)

Cloud Engineer

AP106 Scientific Software Developer

Software Engineer Senior

Full Stack Developer with TS/SCI

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