Top 143 Ui java/python developer, mid level ts/sci with poly required Jobs in Poolesville, Md

Software Developer
Leidos —Chantilly, VA
- $154,050 - $278,475 a year
- Full-time
- Master's degree
- SQL
- Fair chance
Staff Engineer – Full Stack Applications FinOps
GEICO —Bethesda, MD
- $110,000 - $230,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
6d
AI/ML Systems Engineer Technical Advisor (Mid-level)
SAIC —Chantilly, VA
- $160,001 - $200,000 a year
- Full-time
- Azure
- Office
- Java
Systems Engineer (SETA) Mid - Level
KBR —Chantilly, VA
- $136,200 - $151,000 a year
- Full-time
- Computer Science
- Engineering
- Research
Software Developer (Senior) - TS/SCI with Polygraph Required
Catalyst Operations & Analytics —Vienna, VA
- $175,000 - $215,000 a year
- Full-time
- 5 years
- Java
- Master's degree
Quick Apply
7d
Full Stack Developer (TS/SCI)
Vantor Services Inc. —Reston, VA
- $113,000 - $165,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Java
- 401(k) matching
- Pet insurance
Quick Apply
Junior-Mid Scientist SDA, TS/SCI with CI Poly - $95K - $180K + 15% 401k
Millennial Software Solutions Inc —Chantilly, VA
- $95,000 - $180,000 a year
- Azure
- Mid-level
- AWS
- Paid training
- Paid holidays
Quick Apply
Full Stack Developer
MOMENTUM —Bethesda, MD
- $150,000 - $170,000 a year
- Full-time
- Background check
- System design
- Java
- AD&D insurance
- Paid holidays
Quick Apply
2d
Data Engineer - Mid Level
Evans & Chambers Technology —Reston, VA
- Bachelor of Science
- Mid-level
- Office
Quick Apply
Junior-Mid Backend Software Engineer, TS/SCI with CI Poly - $95K-$180K + 15% 401k
Millennial Software Solutions Inc —Chantilly, VA
- $95,000 - $180,000 a year
- Azure
- Mid-level
- Office
- Paid training
- Paid holidays
Quick Apply
DevOps Engineer - Mid-SR, TS/SCI with CI Poly - $150K-$200K + 15% 401k
Millennial Software Solutions Inc —Fairfax, VA
- $150,000 - $200,000 a year
- Full-time
- 6 years
- Computer Science
- Software troubleshooting
- Paid training
- Paid holidays
Quick Apply
Senior Test Automation Engineer
Forge Group, LLC —Reston, VA
- $130,000 - $150,000 a year
- Full-time
- Remote
- Computer Science
- Basic math
- Office
- Commuter assistance
- Health savings account
Quick Apply
Systems Administrator - Mid Level
Evans & Chambers Technology —Reston, VA
- 5 years
- Office
- Windows
Quick Apply
Software Developer (Expert)
NS2 Mission —Chantilly, VA
- Full-time
- Computer Science
- Software troubleshooting
- System design
Quick Apply
10d
Mid-level SQL Engineer
teKnoluxion —Gaithersburg, MD
- $87,000 - $157,450 a year
- Full-time
- Computer Science
- Mid-level
- Office
- Disability insurance
- Health insurance
Full Stack Developer
C Mack Solutions LLC —Ashburn, VA
- $75,000 - $155,000 a year
- 7 years
- Computer Science
- Bachelor of Science
- Health insurance
- Dental insurance
Quick Apply
Software Test Engineer
Booz Allen Hamilton —Herndon, VA
- $99,000 - $225,000 a year
- Full-time
- Azure
- 5 years
- Office
- Disability insurance
- Health insurance
Software Developer (Principal/Expert) - TS/SCI with Polygraph Required
Catalyst Operations & Analytics —Vienna, VA
- $215,000 - $260,000 a year
- Full-time
- System design
- Java
- Master's degree
Quick Apply
7d
Application Developer
J5 Consulting —Chantilly, VA
- Full-time
- AWS
- In-person
- Senior level
- Health insurance
- Tuition reimbursement
Quick Apply
Software Engineer - DevOps (US Federal)
Workday —Reston, VA
- $123,900 - $205,400 a year
- Full-time
- System design
- Office
- 3 years
- Flexible schedule

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ui java/python developer, mid level ts/sci with poly required jobs near poolesville, md

Software Developer

Leidos -
Chantilly, VA

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Job Details

Full-time
$154,050 - $278,475 a year

Qualifications

Cloud infrastructure
Amazon EC2
GitHub
Agile software development
TS/SCI with Polygraph
DevOps automation
Hibernate

Full Job Description

Description

Leidos is seeking a Software Developer for a technical development program supporting the Sponsor’s Access Management Program. The Software Engineer will work with a small team of developers, software engineers, and data engineers.

Primary Responsibilities

Work with an industry leading identity and access management software platform custom-built for complex enterprises (an array of training is available)
Integrate with and perform O&M on industry leading COTS identity access management system. Maintain expertise on chosen COTS systems.
Develop Java applications within the framework of the identity and access management software platform.
Create RESTful APIs.
Establish and maintain infrastructure in a repeatable fashion, I.e., continuous integration and continuous delivery/deployment.
Write custom scripts to install and configure code for deployment to EC2 instances.
Participate in Agile software development processes including.
Support system O&M activities including identify, investigate and fix system bugs.
Participate in code review, and disciplined Dev Ops activities.

Required Qualifications

Active TS/SCI with Polygraph
Master’s Degree and 15+ years of experience. Additional experience in lieu of degree.
4+ years’ experience in Agile software development
Must have significant experience with Java, Shell/Batch Scripting, Hibernate, Amazon Web Services, GitHub, Jenkins, and Rundeck

Desired Qualifications

SQL, Python, HTML, XML, LDAP Search, CloudFormation Scripting
Java, Javascript, UI frameworks such as React or similar

FIP

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 29, 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 $154,050.00 - $278,475.00

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.

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Refine Your Search

ui java/python developer, mid level ts/sci with poly required jobs in poolesville, md

Software Developer

Staff Engineer – Full Stack Applications FinOps

AI/ML Systems Engineer Technical Advisor (Mid-level)

Systems Engineer (SETA) Mid - Level

Software Developer (Senior) - TS/SCI with Polygraph Required

Full Stack Developer (TS/SCI)

Junior-Mid Scientist SDA, TS/SCI with CI Poly - $95K - $180K + 15% 401k

Full Stack Developer

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DevOps Engineer - Mid-SR, TS/SCI with CI Poly - $150K-$200K + 15% 401k

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Systems Administrator - Mid Level

Software Developer (Expert)

Mid-level SQL Engineer

Full Stack Developer

Software Test Engineer

Software Developer (Principal/Expert) - TS/SCI with Polygraph Required

Application Developer

Software Engineer - DevOps (US Federal)

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