Senior Full-Stack Software Engineer - Mission-Critical Apps

Jobtome; Franktown (VA); 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 in Colorado Springs is seeking a Senior Specialist – Full-Stack Software Engineer to lead design and implementation of secure, scalable mission applications using Java, Python, TypeScript, and JavaScript for MOSSAIC. You will shape backend services, APIs, and web UIs to support sensor integration and C2 workflows.

You will mentor engineers, drive CI/CD improvements, coordinate with partner teams, and travel up to 15%.

Qualifications

• Bachelor's Degree with 4+ years of experience; advanced degree optional.
• Active Secret Security Clearance.
• Experience with Java, Python, TypeScript, and JavaScript.
• Experience designing and integrating microservices and distributed systems.

Responsibilities

• Lead 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, testing, documentation, and secure-development practices.
• Resolve complex software and integration issues across environments.
• Provide technical guidance and mentorship to engineers.
• Coordinate dependencies with partner teams and contribute to delivery planning.
• Travel up to 15% as needed.

Skills

Full stack software engineering

Java

Python

TypeScript

JavaScript

Security clearance

Mentorship

System design

Education

Bachelor's Degree + 4 years experience

Graduate Degree + 2 years

8 years experience in lieu of degree

Tools

GTK/Qt

Kafka

RabbitMQ

NATS

Kubernetes

Docker

Job description

L3Harris Technologies in Colorado Springs is seeking a Senior Specialist – Full-Stack Software Engineer to lead design and implementation of secure, scalable mission applications using Java, Python, TypeScript, and JavaScript for MOSSAIC. You will shape backend services, APIs, and web UIs to support sensor integration and C2 workflows.

You will mentor engineers, drive CI/CD improvements, coordinate with partner teams, and travel up to 15%.