Senior Full-Stack Software Engineer - Secret-Cleared Space

Jobtome; Falcon (MS); On-site; USD 97,000 - 180,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Education assistance

Paid time off

Job summary

L3Harris is seeking a Senior Specialist, Software Engineering (Full Stack) to join the MOSSAIC Agile Portfolio Engineering program in Colorado Springs. You will lead the design and implementation of secure, scalable mission applications using Java, Python, TypeScript, and JavaScript to support sensor integration and C2 workflows.

The role requires mentoring engineers, aligning with secure development practices, and coordinating with partner teams.

Qualifications

• Bachelor's Degree with 6+ years of related experience; Graduate Degree with 4+ years; or 10+ years in lieu of a degree.
• Active Secret Security Clearance is required.

Responsibilities

• Lead technical design and implementation of full-stack software capabilities.
• Design scalable software using Java, Python, TypeScript, JavaScript; microservices-based systems.
• Define secure integration patterns and data exchanges across distributed systems.
• Guide code reviews, testing, and secure-development practices.

Skills

Full-stack development

Java

Python

TypeScript/JavaScript

Secure development practices

Code reviews/mentorship

Kubernetes

Event-streaming/messaging

REST APIs

Education

Bachelor's Degree + 6+ years

Graduate Degree + 4+ years

10+ years experience in lieu of degree

Tools

GTK/Qt

Kubernetes

Apache Kafka

RabbitMQ

ZeroMQ

NATS

Job description

L3Harris is seeking a Senior Specialist, Software Engineering (Full Stack) to join the MOSSAIC Agile Portfolio Engineering program in Colorado Springs. You will lead the design and implementation of secure, scalable mission applications using Java, Python, TypeScript, and JavaScript to support sensor integration and C2 workflows.

The role requires mentoring engineers, aligning with secure development practices, and coordinating with partner teams.