Top 134 Ui java/python developer, mid level ts/sci with poly required Jobs in Poolesville, Md

Junior-Mid Full Stack Developer, TS/SCI with CI Poly - $95K-$180K + 15% 401k
Millennial Software Solutions Inc —Chantilly, VA
- $95,000 - $180,000 a year
- Full-time
- Azure
- System design
- Mid-level
- Paid training
- Paid holidays
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Mid-Level Software Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- Mid-level
Senior Front-End Software Development Engineer
Vantor Services Inc. —Herndon, VA
- $137,000 - $200,200 a year
- Full-time
- Hybrid work
- Azure
- 11+ years
- Office
- 401(k) matching
- Pet insurance
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Full Stack Software Engineering Technical Lead (CI/CD Platform)
Freddie Mac —McLean, VA
- $149,000 - $223,000 a year
- Full-time
- Computer science
- Computer Science
- 8 years
Python Web Developer
NovaGigs —McLean, VA
- Computer science
- Computer Science
- Bachelor of Science
Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
North Point Technology —Gaithersburg, MD
- Computer science
- Azure
- Computer Science
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Software Engineer
Thomson Reuters —McLean, VA
- $109,000 - $203,000 a year
- Full-time
- Hybrid work
- Computer Science
- Bachelor of Science
- Mid-level
- Commuter assistance
- Health savings account
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
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Software Developer - TS/SCI with FS Poly REQUIRED
Evans & Chambers Technology —Herndon, VA
- 6 years
- Computer Science
- Office
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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
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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
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Front-End Web GUI Developer
D-Tech —Herndon, VA
- Computer Science
- Bachelor of Science
- Mid-level
- Paid holidays
- Health insurance
Full Stack Software Developer
Cornerstone Defense —Chantilly, VA
- Contract
- Java
- Senior level
(Senior) Software Development Engineer (US Federal)
Workday —Reston, VA
- $148,200 - $264,000 a year
- Full-time
- 5 years
- Office
- AWS
- Flexible schedule
Software Engineer - Frontend Development
Metron —Reston, VA
- Computer science
- Computer Science
- Data analysis skills
- Profit sharing
- Paid parental leave
Cyber Software Engr Sr Stf
Lockheed Martin Corporation —Herndon, VA
- Full-time
- Software troubleshooting
- Office
- SQL
- Paid jury duty
- Paid holidays
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
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5d
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
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5d
Junior Appian Developer
Forge Group, LLC —Reston, VA
- $90,000 - $110,000 a year
- Full-time
- Remote
- Computer Science
- Basic math
- Java
- Commuter assistance
- Health savings account
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13d
Full Stack Developer with Cloud and DevOps Experience
Guidehouse —Bethesda, MD
- $98,000 - $163,000 a year
- Background check
- Computer Science
- Software troubleshooting
- Commuter assistance
- Health savings account

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

Junior-Mid Full Stack Developer, TS/SCI with CI Poly - $95K-$180K + 15% 401k

Millennial Software Solutions Inc
Chantilly, VA

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Job Details

Full-time
$95,000 - $180,000 a year

Benefits

Paid training
Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Paid time off
Parental leave
Vision insurance
401(k) matching
Life insurance

Qualifications

Containerization systems
Data model design
Software engineering
Engineering development testing
Data modeling projects
Databases
Quality assurance in testing
Version control systems
Developing and maintaining backend systems
Providing code feedback

Full Job Description

Description:

About Millennial Software:

Millennial Software is revolutionizing the landscape of security and defense by leveraging our core competencies in software development, automation, DevSecOps, and machine learning.

We are an employee-owned company, every employee receives equity in the company
100% company-paid medical, dental, and vision premiums for you and all dependents
Ability to get increased salary if you don't need medical/dental/vision
100% company-paid disability and life insurance benefits
15% 401(k) company contribution
30 days of PTO/holidays
Generous training budget
Paid Paternal and Maternal Leave
Business development / growth incentives
Top notch company swag

About the Position:

Millennial Software is seeking a Junior - Mid level Full Stack Software Developer to join our collaborative team supporting a Government customer. You’ll contribute to the design, development, and support of modern, data-driven applications and tools that simplify complex user workflows and enable mission-critical decisions.

This is a great opportunity for a motivated developer to grow technical skills across the full stack, with a particular focus on modern software development processes and technologies.

The ideal candidate is passionate in the full lifecycle of application, including design, coding, testing, implementation, deployment as well as support and maintenance. The candidate must be comfortable collaborating closely with users and developers to build and maintain polished, high-performance tools in mission-critical environments.

Essential Functions:

Design, build, test, and ship full-stack features spanning user interfaces, backend services, and data layers.
Collaborate with product and design to translate requirements into technical plans and iterative deliverables.
Build and maintain scalable APIs and service integrations; ensure correctness, reliability, and performance.
Implement and maintain frontend components with attention to usability, responsiveness, and accessibility.
Deploy, upgrade and maintain software components into Kubernetes based infrastructures using helm charts and command line tools.
Write automated tests and participate in code reviews to maintain quality and reduce defects.
Monitor, troubleshoot, and resolve production issues; participate in on-call or incident response as needed.
Improve developer workflows (CI/CD, local dev, tooling) and system observability (logging, metrics, tracing).
Document solutions, decisions, and operational runbooks to support long-term maintainability.
Follow secure development practices and contribute to risk reduction (security, privacy, compliance as applicable).

Requirements:

Required Qualifications:

Demonstrated experience delivering production software across both frontend and backend domains.
Proficiency in at least one modern backend language (e.g., Python, Java, Go, C#, Node.js) and one modern frontend stack (e.g., JavaScript/TypeScript with React/Vue/Angular).
Experience designing and consuming APIs (REST and/or GraphQL), integrating with databases, and handling data models.
Experience with messaging and queuing platforms such as Kafka, RabbitMQ, or similar.
Experience creating and maintaining Docker containers, Helm charts, orchestration platforms such as Kubernetes clusters, and using cloud infrastructure services (AWS/Azure/GCP).
Working knowledge of software engineering fundamentals: version control, testing, debugging, performance, and secure coding.
Experience collaborating in a team environment (code reviews, iterative delivery, clear communication).
Ability to break down ambiguous problems and deliver solutions with measurable outcomes.
Bachelor’s degree in a related field or equivalent practical experience.
Active TS/SCI clearance.
Ability to work on-site at one of the following locations - Virginia: Fairfax, Chantilly, McLean, Sterling or Colorado: Colorado Springs.

Nice to have:

Experience with event-driven systems (queues/streams), caching, and distributed system patterns.
Familiarity with infrastructure-as-code and CI/CD best practices.
Experience with observability tools (APM, structured logging, metrics, tracing).
Exposure to accessibility standards (WCAG) and frontend performance optimization.
Prior work in regulated environments or systems requiring strong security/compliance considerations.

Millennial Software Solutions Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of race, color, religion, sex, national origin, political affiliation, sexual orientation, gender identity, marital status, disability and genetic information, age, membership in an employee organization, or other non-merit factor.

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

Junior-Mid Full Stack Developer, TS/SCI with CI Poly - $95K-$180K + 15% 401k

Mid-Level Software Engineer

Senior Front-End Software Development Engineer

Full Stack Software Engineering Technical Lead (CI/CD Platform)

Python Web Developer

Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)

Software Engineer

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

Software Developer - TS/SCI with FS Poly REQUIRED

Junior-Mid Backend Software Engineer, TS/SCI with CI Poly - $95K-$180K + 15% 401k

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

Front-End Web GUI Developer

Full Stack Software Developer

(Senior) Software Development Engineer (US Federal)

Software Engineer - Frontend Development

Cyber Software Engr Sr Stf

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

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

Junior Appian Developer

Full Stack Developer with Cloud and DevOps Experience

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