Junior-Mid Full Stack Engineer | DevSecOps & Cloud

Millennial Software; Chantilly (VA); On-site; USD 80,000 - 140,000; Full time

Benefits offered by this job

Employee ownership equity in company

100% company-paid medical, dental, and

Vision premiums for you and dependents

Disability and life insurance

401(k) 15% company contribution

30 days PTO/holidays

Parental Leave

Training budget

Business development incentives

Company swag

Job summary

Millennial Software is seeking a Junior-Mid Full Stack Software Developer to join our team supporting a Government customer. This role offers growth across the full tech stack, with emphasis on modern development practices and mission-critical environments.

The position targets a future contract beginning in early 2027 and requires collaboration with users and developers to deliver high-performance tools. You will design, develop, test, and maintain data-driven applications, APIs, and services,

Qualifications

• Experience delivering production software across frontend and backend.
• Proficient in at least one modern backend language (Python/Java/Go/C#/Node.js) and one frontend stack.
• Experience designing/consuming APIs (REST/GraphQL) and working with databases.
• Experience with messaging systems (Kafka/RabbitMQ).
• Experience Docker containers, Helm, Kubernetes, and cloud services (AWS/Azure/GCP).
• Strong fundamentals: version control, testing, debugging, performance, secure coding.
• Team collaboration and iterative delivery with clear communication.
• Bachelor’s degree or equivalent practical experience.

Responsibilities

• Design, build, test, and ship full-stack features across UI, services, and data layers.
• Collaborate with product/design to translate requirements into technical plans.
• Build and maintain scalable APIs and service integrations for reliability and performance.
• Implement frontend components with usability, accessibility, and responsiveness in mind.
• Deploy and maintain components in Kubernetes using Helm and CLI tools.
• Write automated tests and participate in code reviews to reduce defects.
• Monitor, troubleshoot, and resolve production issues; participate in on-call as needed.
• Improve CI/CD pipelines and developer tooling; enhance observability and runbooks.

Skills

Full stack dev

API design

Docker & Kubernetes

Cloud services

CI/CD & testing

Team collaboration

Secure coding

Bachelor degree or equivalent

Education

Bachelor’s degree or equivalent

Tools

Docker

Helm charts

Kubernetes

REST/GraphQL API design

Job description

Millennial Software is seeking a Junior-Mid Full Stack Software Developer to join our team supporting a Government customer. This role offers growth across the full tech stack, with emphasis on modern development practices and mission-critical environments.

The position targets a future contract beginning in early 2027 and requires collaboration with users and developers to deliver high-performance tools. You will design, develop, test, and maintain data-driven applications, APIs, and services,