Senior Full-Stack Developer – Secret Clearance Eligible

ARGO Cyber Systems, LLC; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

401K

Job summary

Argo Cyber Systems, LLC is seeking an Application Developer III to support a U.S. Government program in Arlington, VA. The role is on-site with hybrid options, requiring US citizenship and an active TS/SCI clearance (DHS suitability).

You will design, develop, test, and deploy secure, scalable software across full stack technologies. The candidate should have 8+ years of experience with Python, Java, and NodeJS, strong front-end/back-end skills, and experience with CI/CD and cloud platforms.

Qualifications

• US citizenship required.
• Active TS/SCI clearance preferred; ability to obtain within 1 year is required.
• 8+ years of directly relevant software development experience.
• Proficiency in Python, Java, and NodeJS; strong front-end and back-end frameworks.
• Experience with CI/CD pipelines and cloud platforms (AWS, Azure, GCP).
• Agile development methodology experience.

Responsibilities

• Develop, maintain, and enhance front-end and back-end components of web applications.
• Automated testing and smoke testing familiarity and implementation experience.
• Perform unit and integration testing to ensure software quality.
• Optimize application for speed and scalability.
• Collaborate with cross-functional teams to gather and refine software requirements.
• Write clean, maintainable, and efficient code.
• Troubleshoot and resolve software defects and issues.
• Handle authentication, authorization, and session management.
• Integrate with third-party services (payments, external APIs).
• Set up and manage CI/CD pipelines.
• Deploy applications to cloud platforms (AWS, Azure, GCP).
• Monitor application performance and reliability.
• Collaborate with DevOps, infrastructure, and development teams to ensure seamless integration.
• Document code and infrastructure changes, processes and best practices.

Skills

Python

Java

NodeJS

Java Spring

JUnit

Hibernate

ReactJS

Education

Bachelor's degree in Software Engineering or Computer Science

Tools

Git

CI/CD

Jenkins

GitHub/GitLab

Job description

Argo Cyber Systems, LLC is seeking an Application Developer III to support a U.S. Government program in Arlington, VA. The role is on-site with hybrid options, requiring US citizenship and an active TS/SCI clearance (DHS suitability).

You will design, develop, test, and deploy secure, scalable software across full stack technologies. The candidate should have 8+ years of experience with Python, Java, and NodeJS, strong front-end/back-end skills, and experience with CI/CD and cloud platforms.