Senior Full-Stack Software Engineer – Defense Tech

Jobtome; Green Mountain Falls (CO); On-site; USD 97,000 - 180,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Flexible spending accounts

EAP

Education assistance

Parental leave

Paid time off

Company-paid holidays

Job summary

L3Harris Technologies is seeking a senior specialist full-stack software engineer in Colorado Springs to lead design and implementation of secure, scalable mission applications and services. You will work with Java, Python, TypeScript, and JavaScript to support sensor integration and C2 workflows.

Responsibilities include backend services, APIs, web UIs, and leadership in code reviews, testing, and secure development. Travel up to 15% may be required.

Qualifications

• Bachelor's Degree and minimum 4 years of prior relevant experience; Graduate Degree with 2+ years; or 8+ years 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.
• 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 and support delivery planning.

Skills

Java

Python

TypeScript

JavaScript

Full-stack

Microservices

CI/CD

Security

Education

Bachelor's Degree

Tools

Kubernetes

Docker

Kafka

RabbitMQ

Job description

L3Harris Technologies is seeking a senior specialist full-stack software engineer in Colorado Springs to lead design and implementation of secure, scalable mission applications and services. You will work with Java, Python, TypeScript, and JavaScript to support sensor integration and C2 workflows.

Responsibilities include backend services, APIs, web UIs, and leadership in code reviews, testing, and secure development. Travel up to 15% may be required.