Senior Full-Stack Engineer – Mission-Critical Defense Apps

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

Benefits offered by this job

Health insurance

Disability insurance

401(k) match

Flexible spending accounts

Paid time off

Parental leave

Job summary

L3Harris Technologies is seeking a Senior Specialist, Software Engineering (Full Stack) to join the MOSSAIC Agile Portfolio Engineering team in Colorado Springs. You will lead design and implementation of secure, scalable full‑stack solutions using Java, Python, TypeScript, and JavaScript to support sensor integration and command‑and‑control workflows.

The role requires strong experience in SOA and microservices, architecting distributed systems, mentoring engineers, and coordinating with

Qualifications

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

Responsibilities

• Lead technical design and implementation of full-stack software capabilities, including backend services, APIs, and web UIs.
• Design scalable software using Java, Python, TypeScript, and JavaScript for SOA and microservices architectures.
• Define secure integration patterns, service contracts, and data exchanges across distributed systems.
• Guide code reviews, testing, 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 and coordinate dependencies with partner teams.

Education

Bachelor's Degree in a related field

Graduate Degree

Tools

Java

Python

TypeScript

JavaScript

C/C++

Rust

Go

Kubernetes

Apache Kafka

RabbitMQ

Job description

L3Harris Technologies is seeking a Senior Specialist, Software Engineering (Full Stack) to join the MOSSAIC Agile Portfolio Engineering team in Colorado Springs. You will lead design and implementation of secure, scalable full‑stack solutions using Java, Python, TypeScript, and JavaScript to support sensor integration and command‑and‑control workflows.

The role requires strong experience in SOA and microservices, architecting distributed systems, mentoring engineers, and coordinating with