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Software Engineer; Java Developer - Mid -Senior Level - Clearance and Polygraph

Job in Alexandria, Fairfax County, Virginia, 22350, USA
Listing for: Constellation Technologies, Inc
Full Time position
Listed on 2025-12-16
Job specializations:
  • Software Development
    Java Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly USD 125000.00 150000.00 YEAR
Job Description & How to Apply Below
Position: Software Engineer (Java Developer) - Mid -Senior Level - CLEARANCE and POLYGRAPH REQUIRED

Software Engineer (Java Developer) - Mid - Senior Level - CLEARANCE and POLYGRAPH REQUIRED

1 month ago – Be among the first 25 applicants.

Constellation Technologies, Inc provided pay range

This range is provided by Constellation Technologies, Inc. Your actual pay will be based on your skills and experience—talk with your recruiter to learn more.

Base pay range

$/yr – $/yr

Java Frameworks, J2E, Python, C++, Oracle, Mongo

DB, SQL

Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.

Required:
  • Must be a US Citizen
  • Must have TS/SCI clearance w/ active polygraph (CI or FS)
  • At least fourteen (14) years of direct/relevant experience
  • Bachelor’s degree in engineering (i.e., Computer, Electrical, Mechanical, Aerospace, etc.) or related discipline from an accredited college or university is required
  • Five (05) years of additional relevant experience on projects with similar processes may be substituted for a bachelor’s degree
  • Must have demonstrated in-depth experience with Java
  • Must have experience or familiarity with multiple Java frameworks:
    Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX
  • Must have experience or familiarity with multiple of the following languages such as JavaScript, Python, C/C++, Groovy, Structured Query Language (SQL)
  • Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, Web Storm
  • Must have experience with databases such as Oracle, Postgre

    SQL, Mongo

    DB, SQL Server
  • Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with Angular

    JS, JSON, HTML, XML, XSLT
  • Must have experience with software source control and configuration management tools
  • Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.
    1 encoding, XML canonicalization, digital signatures)
  • Must have experience developing on Windows, and/or Linux operating systems
  • Must have documented professional experience with web services
  • Must have a strong understanding of sound software development principles and practices
  • Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing
  • Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment
These Qualifications Would be Nice to Have:
  • Experience with the following:
    Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, Web Logic, JBoss), Spring framework, scripting
  • Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, Open Shift)
  • Experience with Java script frameworks:
    Angular

    JS, Bootstrap, JQuery
  • Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse
  • Experience with build tools:
    Maven, CMake, RPM, Jenkins, Nexus
  • Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade‑off analysis, interface control, testing and continuous integration
  • Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD)
  • Experience with Behavior Driven Development (BDD)
  • Secure Software development (i.e., Layer 7 Policy)
  • Experience with Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team
Benefits package:
  • Affordable healthcare options with 80% employer paid premium PLUS a company‑funded HSA
  • Dental insurance with 100% employer paid premium
  • Vision with 80% employer paid premium
  • Employer paid Life insurance 100%
  • Employer paid Short‑term and Long‑term disability 100%
  • Annual training,…
Position Requirements
10+ Years work experience
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