Demo

Software Engineer TS/SCI with CI Poly, $145K - $180K + 15% 401k

Millennial Software
Chantilly, VA Full Time
POSTED ON 10/16/2025
AVAILABLE BEFORE 11/14/2025
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, 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 talented and motivated Software Engineer to join our dynamic team. As a key contributor, you will design, develop, and maintain innovative software solutions that meet modern industry standards. Our ideal candidate is proficient in multiple programming languages, embraces agile development methodologies, and thrives in a collaborative environment. You will be responsible for writing clean, scalable code, troubleshooting technical issues, and optimizing system performance. A strong understanding of cloud computing, APIs, and software architecture is highly desirable. If you are passionate about technology and eager to make an impact, we would love to hear from you!

Essential Functions

  • Managing the complete software development process from conception to deployment
  • Maintaining and upgrading the software following deployment
  • Managing the end-to-end life cycle for the production of software and applications
  • Overseeing and guiding the analyzing, writing, building, and deployment of software
  • Overseeing the automated testing and providing feedback to management during the development process
  • Modifying and testing changes to previously developed programs

Requirements

Required Qualifications:

  • TS/SCI with CI Poly
  • Ability to work onsite
  • Bachelor’s degree in computer science or related field
  • 2 years of experience in object-oriented (OO) languages, with a significant focus on Python
  • At least 1 year of JavaScript or TypeScript experience
  • Ability to collaborate with cross-functional teams including product managers, architects, and other engineers to define, design, and ship new features
  • Understanding of the full software development lifecycle (SDLC), including requirements gathering, design, coding, testing, deployment, and maintenance
  • Ability to write clean, efficient, well-documented, and testable code
  • Experience in the development of unit, integration, and system tests to ensure software quality
  • Experiencing in the development of microservices and RESTful APIs
  • Knowledge of how to work in an Agile/Scrum development environment, participating in sprint planning, daily stand-ups, and sprint reviews

Nice To Have

  • Experience with a modern cloud provider such as AWS or Azure as well as understanding of standalone Kubernetes deployments
  • Experience with modern front-end development using React or Angular as well as a corollary understanding of JavaScript or Typescript
  • Experience with Source Control tools (e.g. Git, Gitlab)
  • Experience with DevSecOps and Agile Scrum software development methodology including using tools like Git, Jira and Confluence
  • IAT Level II or III certification (i.e. Security , CISSP, or CASP)

Salary Description

$145,000 - $180,000

Salary : $145,000 - $180,000

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