Senior Full-Stack Engineer – Space Tech (Secret Clearance)

Jobtome; Castle Rock (SD); On-site; USD 97,000 - 180,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Flexible spending accounts

Employee Assistance Program

Job summary

L3Harris Technologies is seeking a Senior Specialist – Full Stack Software Engineer to join MOSSAIC APE. You will lead design and implement secure, scalable mission applications using Java, Python, TypeScript, and JavaScript to support sensor integration and C2 workflows.

The role requires a Secret clearance, 4+ years of related experience with a degree, and travel up to 15%. Colorado Springs location; 9/80 schedule; competitive benefits.”

Qualifications

• Bachelor's Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
• Active Secret Security Clearance.

Responsibilities

• Lead technical design and implementation of full-stack software capabilities, including backend services, APIs, and web user interfaces.
• Design scalable software using Java, Python, TypeScript, and JavaScript for service-oriented architecture and microservices-based systems.
• Define secure integration patterns, service contracts, and data exchanges across distributed systems.
• Guide code reviews, software testing, technical documentation, and secure-development practices.
• Resolve complex software and integration issues across development, test, and deployment environments.
• Provide technical guidance and mentorship to software engineers while supporting sound engineering decisions.
• Coordinate technical dependencies with partner teams and contribute to delivery planning and execution.
• Travel up to 15% as needed to support program and customer requirements.

Skills

C/C++, Rust or Go

Java/Python/TypeScript/JavaScript

SOA / Microservices

APIs / Service contracts

Tech design leadership

CI/CD workflows

GTK/Qt

UI/UX principles

Full-stack approaches

Kubernetes

Kafka/RabbitMQ/NATS

Education

Bachelor's Degree

Job description

L3Harris Technologies is seeking a Senior Specialist – Full Stack Software Engineer to join MOSSAIC APE. You will lead design and implement secure, scalable mission applications using Java, Python, TypeScript, and JavaScript to support sensor integration and C2 workflows.

The role requires a Secret clearance, 4+ years of related experience with a degree, and travel up to 15%. Colorado Springs location; 9/80 schedule; competitive benefits.”