Top 729 Java/python developer, mid level ts/sci with poly required Jobs in Poolesville, Md

Java Developer
Leidos —Bethesda, MD
- $87,100 - $157,450 a year
- Full-time
- Azure
- System design
- Mid-level
- Paid holidays
- Paid time off
Python Developer/Financial Engineer
NovaGigs —McLean, VA
- Computer Science
- Mid-level
- Java
Database Developer
Crimson Phoenix —Chantilly, VA
- $127,399 - $196,000 a year
- Full-time
- Mid-level
- Java
- SQL
- Disability insurance
- Health insurance
Quick Apply
Intermediate Web Applications Developer - JAVA/AWS (Remote)
Enterprise Solutions & Management Corporation —Vienna, VA
- $80,000 - $90,000 a year
- Full-time
- Remote
- Mid-level
- Java
- AWS
Quick Apply
Sr. Java Developer
Leidos —Bethesda, MD
- $107,900 - $195,050 a year
- Full-time
- Azure
- 6 years
- System design
- Paid holidays
- Paid time off
Junior Full Stack Developer
ASSYST, Inc. —Sterling, VA
- SQL
- Analysis skills
- Communication skills
- Disability insurance
- Health insurance
Quick Apply
Junior Software Engineer - R25-002
Verite Educational Services —Dulles, VA
- Full-time
- Computer science
- Communication skills
- Entry level
- Health insurance
- Paid time off
Quick Apply
Principal Java Developer
Leidos —Bethesda, MD
- $131,300 - $237,350 a year
- Full-time
- Azure
- System design
- Master's degree
- Paid holidays
- Paid time off
Software Developer - Python/Java
Black Canyon Consulting —Bethesda, MD
- Full-time
- Remote
- Computer science
- Computer Science
- Mid-level
- Paid holidays
- Health insurance
Backend Software Engineer - AI Trainer
DataAnnotation —Sterling, VA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Engineer - AI Trainer
DataAnnotation —Falls Church, VA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
SQL Engineer
Embedded Alliance —Gaithersburg, MD
- $105,000 - $185,000 a year
- Full-time
- 6 years
- Oracle
- Java
- Health insurance
- Dental insurance
Quick Apply
Cloud Software Engineer - TS/SCI w/ Poly
General Dynamics Information Technology —Herndon, VA
- $158,855 - $214,921 a year
- Computer Science
- System design
- Windows
- Paid holidays
- 401(k) matching
Junior Software Developer
EagleForce Associates, Inc. —Herndon, VA
- Full-time
- Computer Science
- Office
- Bachelor's degree
- Disability insurance
- Health insurance
Quick Apply
Java/ETL Developer - TS/SCI with Polygraph
General Dynamics Information Technology —Herndon, VA
- $174,250 - $235,750 a year
- Customer service
- 5 years
- Engineering
- Paid holidays
- 401(k) matching
Software Engineer - AI Trainer
DataAnnotation —Maryland
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Senior Full Stack Developer - TS/SCI with Polygraph
General Dynamics Information Technology —Chantilly, VA
- $137,700 - $186,300 a year
- Computer Science
- 5 years
- Engineering
- Paid time off
- 401(k) matching
Java/ETL Developer - TS/SCI with Polygraph
General Dynamics Information Technology —Herndon, VA
- $174,250 - $235,750 a year
- Customer service
- 5 years
- Engineering
- Paid holidays
- 401(k) matching
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
Quick Apply
Modeling, Analysis & Simulation (MA&S) Engineer
Peraton —Herndon, VA
- $135,000 - $216,000 a year
- Azure
- Computer Science
- 11+ years
- Health savings account
- Paid holidays

I want to receive the latest job alert for java/python developer, mid level ts/sci with poly required in poolesville, md

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

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

Java Developer

Leidos -
Bethesda, MD

Apply Now

Job Details

Full-time
$87,100 - $157,450 a year

Benefits

Paid holidays
Paid time off
Parental leave
401(k) 6% Match
401(k) matching
Flexible schedule

Qualifications

Bug Tracking (Quality assurance practices)
Engineering development testing
Tooling
System design
NoSQL
Public Cloud
Microservices
System design for system development
Issue tracking
Version control systems
Cloud solution delivery
Developing and maintaining backend systems
Agile software development
TS/SCI with Polygraph
Defect tracking tools
DevOps automation
Scalability and Performance Testing (system development)
Design (software development lifecycle)
Spring Framework
Web services design

Full Job Description

Description

Leidos has an exciting opportunity for a Java Developer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

A Java developer on this program provides Agile development and operations and maintenance for mission critical systems. Based in DevOps framework, this role participates in major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.

Primary Responsibilities:

Design, develop, test and maintain high-performance, scalable backend microservices using Java and the Spring Framework to meet customer information technology needs.
Participates in software programming initiatives, shaping backend architecture, and code reviews.
Develops software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies
Develop, prototype and deploy solutions within a cloud-based platform leveraging platform services.
Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases
Document and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash)
Apply and identify software development best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.

Basic Qualifications:

Familiarity with common Agile practices, service-orientated environments, and development practices
Familiarity with Java and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL databases.
Familiarity with integrating with and delivering within DevOps toolsets/practices
Direct experience utilizing software testing performance tools, such as Junit and scripting languages, such as Python, and Bash while working in an Agile development environment
Familiarity with with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)
Familiarity with using version control systems and issue/problem tracking systems
Bachelor’s degree with 4 or more years of prior relevant experience or Master’s degree with 2 or more years of relevant experience. Will consider experience in lieu of a degree.
To be considered must have an active TS/SCI with polygraph security clearance

Preferred Qualifications:

Experience with SAFe development practices

CABARESTON

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:

January 21, 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.

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

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

Java Developer

Python Developer/Financial Engineer

Database Developer

Intermediate Web Applications Developer - JAVA/AWS (Remote)

Sr. Java Developer

Junior Full Stack Developer

Junior Software Engineer - R25-002

Principal Java Developer

Software Developer - Python/Java

Backend Software Engineer - AI Trainer

Software Engineer - AI Trainer

SQL Engineer

Cloud Software Engineer - TS/SCI w/ Poly

Junior Software Developer

Java/ETL Developer - TS/SCI with Polygraph

Software Engineer - AI Trainer

Senior Full Stack Developer - TS/SCI with Polygraph

Java/ETL Developer - TS/SCI with Polygraph

Senior Front-End Software Development Engineer

Modeling, Analysis & Simulation (MA&S) Engineer

I want to receive the latest job alert for java/python developer, mid level ts/sci with poly required in poolesville, md

Related Searches

Explore jobs in more locations

Original Posting:

Pay Range:

Job Seeker Tools

Employer Tools

Browse

Stay Connected