Senior Full-Stack Engineer: Mission-Critical Defense

Jobtome; Rye (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

EAP

Education assistance

Parental leave

Paid time off

Company-paid holidays

Job summary

L3Harris Technologies in Colorado Springs, CO is seeking a Senior Specialist, Full-Stack Software Engineer to design and implement secure, scalable mission applications and services. You will contribute across the stack using Java, Python, TypeScript, and JavaScript to support sensor integration, C2 workflows, and user-facing capabilities.

Optimal candidates will have a strong background in distributed systems, microservices, secure development practices, and experience mentoring junior

Qualifications

• Bachelor's Degree or higher with relevant experience.
• Active Secret Security Clearance required.
• Graduate Degree with experience preferred.

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 service-oriented architectures and microservices.
• 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

Java

Python

TypeScript

JavaScript

C/C++

Rust

Go

Kubernetes

Apache Kafka

Education

Bachelor's Degree

Graduate Degree

Tools

GTK

Qt

Job description

L3Harris Technologies in Colorado Springs, CO is seeking a Senior Specialist, Full-Stack Software Engineer to design and implement secure, scalable mission applications and services. You will contribute across the stack using Java, Python, TypeScript, and JavaScript to support sensor integration, C2 workflows, and user-facing capabilities.

Optimal candidates will have a strong background in distributed systems, microservices, secure development practices, and experience mentoring junior