Demo

Software Engineer - Junior - SME, TS/SCI with CI Poly, $95K - $220K + 15% 401k

Millennial Software
Herndon, VA Full Time
POSTED ON 10/18/2025
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 Software Engineers across multiple levels (Junior to SME) to join our collaborative team supporting a Government customer. The ideal candidate is comfortable participating in the full lifecycle of application development, including design, coding, testing, implementation, deployment as well as support and maintenance. The candidate must be comfortable collaborating closely with users, designers, and Product Owners to build polished, high-performance tools in mission-critical environments.

Essential Functions

  • The ideal candidate will have outstanding technical talent with desire to continuously learn and apply new skills and technologies
  • Support agile development activities including sprint planning, peer code reviews, and iterative code updates based on end-user feedback
  • Develop, and maintain scalable applications using Java and Spring Boot
  • Software, data model, and algorithm development
  • Deploy, monitor, and manage applications within a Kubernetes environment.
  • Collaborate with cross-functional teams and end-users to ensure secure, reliable, and high-performance solutions.
  • Troubleshoot, optimize, and improve application performance across the full stack.
  • Help maintain clean, well-documented, and testable code

Requirements

Required Qualifications:

  • Active TS/SCI with CI Poly
  • Junior-Level: Bachelor’s degree in Computer Science, Software Engineering, or related discipline
  • Mid-level: Bachelor’s Degree in Computer Science, Software Engineering, or related discipline with 5 years of relevant experience (or 3 years with an Advanced Degree)
  • Senior Level: Bachelor’s Degree in Computer Science, Software Engineering, or related discipline with 10 years of relevant experience (or 8 years with an Advanced Degree)
  • SME Level: Bachelor's Degree in Computer Science, Software Engineering, or related discipline with 15 years of relevant experience (or 13 years of relevant experience with a Graduate Degree)
  • Experience in Java with strong object-oriented programming and parallel processing principles
  • Experience developing and deploying applications using Spring Boot framework
  • 1 years of experience working with microservices and containerization technologies, including Docker and Kubernetes
  • Experience with RESTful APIs, full-stack integration, and UI state management
  • Excellent teamwork, communication, and problem-solving skills

Nice To Have

  • Experience with network security, including access and authorization for PKI and chain trusting
  • Experience with writing unit tests and E2E testing
  • Experience with DevOps technologies
  • Knowledge of non-relational databases, including MongoDB
  • Knowledge of Apache NiFi and Kafka
  • Knowledge of JIRA, Confluence, Git, and GitLab
  • Security CE, SSCP, CCNA-Security, or GSEC Certification
  • Familiarity with AWS for deploying and scaling applications
  • Knowledge of CI/CD pipelines and tools such as Jenkins, GitLab CI, or GitHub Actions
  • Understanding of microservices architecture and distributed systems best practices

Salary Description

$95,000 - $220,000 annually

Salary : $95,000 - $220,000

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