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Software Engineer - Mid-Senior, TS​/SCI CI Poly

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Millennial Software
Full Time position
Listed on 2025-11-27
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 140000 - 220000 USD Yearly USD 140000.00 220000.00 YEAR
Job Description & How to Apply Below
Software Engineer - Mid-Senior, TS/SCI with CI Poly, $140K-$220K + 15% 401k Software Engineer - Mid-Senior, TS/SCI with CI Poly, $140K-$220K + 15% 401k

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About Millennial Software:

Millennial Software is revolutionizing the landscape of security and defense by leveraging our core competencies in software development, automation, Dev Sec Ops , 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
  • Paid Paternal and Maternal Leave
  • Top notch company swag
Job Type

Full-time

Description

About Millennial Software:

Millennial Software is revolutionizing the landscape of security and defense by leveraging our core competencies in software development, automation, Dev Sec Ops , 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 looking for a self-starting, team-oriented Mid-to-Senior Software Engineer to join our dynamic development team in supporting a Government customer. The team will be creating an optimal architecture that can host modern and legacy applications and field updated capability quickly and securely. These are large-scale enterprise applications using web technologies, distributed computation and storage frameworks. The selected candidate will be working with sophisticated, cutting-edge domain analytics, with a system hosted on virtualized and cloud-computing platforms.

The successful candidate will have the ability to work both independently with little supervision as well as engage with a team to achieve overall project objectives.

Essential Functions

The Software engineer will perform the development and integration via industry best practices to create an optimal architecture for the government system.
  • Participate in a development team that uses agile methodologies combined with modern Dev Ops software practices and a technology-supported development infrastructure.
  • Help maintain the deployed system, diagnose and resolve issues, and provide support to end-users as needed.
  • The ideal candidate will have outstanding technical talent with desire to continuously learn and apply new skills and technologies
Requirements



Required Qualifications :

  • Active TS/SCI clearance
  • Bachelor’s Degree Computer Science, Computer Engineering, Software Engineering, Information Systems, or a related discipline.
  • Minimum 4 years of prior relevant experience OR minimum 2 years of prior relevant experience with a Graduate Degree
  • Experience in Java or Python programming languages
Nice To Have

  • Experience with UI Development, Vue.js, React, or AngularJS
  • Experience with Microservices, Kubernetes
  • Experience with Docker containers
  • Experience with Spring Boot framework
  • Experience with cloud technologies such as Amazon Web Services (AWS) or Gov Cloud
  • Experience with agile teamwork, and diverse multi-site geographical team collaboration
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

Salary Description

$140,000 - $220,000 annually

Seniority level
  • Seniority level

    Mid-Senior level
Employment type
  • Employment type

    Full-time
Job function
  • Job function

    Engineering and Information Technology
  • Industries Defense and Space Manufacturing

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Position Requirements
10+ Years work experience
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