Senior Full-Stack Software Engineer with Secret Clearance

Jobtome; Palmer Lake (CO); On-site; USD 97,000 - 180,000; Full time

Benefits offered by this job

Health and disability insurance

401(k) match

Flexible spending accounts

Employee assistance program

Education assistance

Parental leave

Paid time off

Company-paid holidays

Job summary

L3Harris Technologies in Colorado Springs is seeking a Senior Specialist Full-Stack Software Engineer to lead end-to-end design and implementation of secure, scalable mission applications. You will work across backend services, APIs, and web interfaces to support MOSSAIC’s C2 and sensor integration.

The role emphasizes collaboration, mentorship, and secure development practices, with travel up to 15% and a required Active Secret Security Clearance.

Qualifications

• Bachelor's Degree and minimum 4 years of prior relevant experience; graduate degree with 2 years, or 8 years of related experience in lieu of a degree.
• Active Secret Security Clearance required.

Responsibilities

• Lead design and implementation of full-stack software: backend services and web UIs.
• Design scalable software using Java, Python, TypeScript, and JavaScript for microservices.
• Define secure integration patterns and data exchanges across distributed systems.
• Provide mentorship and oversee code reviews, testing, and CI/CD practices.
• Coordinate dependencies with partner teams and support delivery planning.
• Travel up to 15% as needed.

Skills

Java

Python

TypeScript

JavaScript

Full stack

Mentor

Security clearance

Education

Bachelor’s Degree

Graduate Degree

Tools

C/C++

Rust

Go

Kubernetes

Apache Kafka

Job description

L3Harris Technologies in Colorado Springs is seeking a Senior Specialist Full-Stack Software Engineer to lead end-to-end design and implementation of secure, scalable mission applications. You will work across backend services, APIs, and web interfaces to support MOSSAIC’s C2 and sensor integration.

The role emphasizes collaboration, mentorship, and secure development practices, with travel up to 15% and a required Active Secret Security Clearance.