Senior Full-Stack Engineer for Secure Mission Apps

Jobtome; Sedalia (MO); On-site; USD 97,000 - 180,000; Full time

Benefits offered by this job

Health and disability insurance

401(k) match

Flexible spending accounts

Employee Assistance Program

Job summary

L3Harris Technologies is seeking a Senior Specialist, Software Engineering (Full Stack) to lead the design and implementation of secure, scalable mission applications for MOSSAIC. You’ll work on backend services, APIs, and rich web interfaces using Java, Python, TypeScript, and JavaScript, supporting sensor integration and C2 workflows.

You will mentor engineers, drive secure-development practices, and coordinate with partner teams, travel up to 15% as needed. Active Secret clearance is required.

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 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 development, test, and deployment environments.
• Mentor software engineers and coordinate dependencies with partner teams.

Skills

Java

Python

TypeScript

JavaScript

Kubernetes

Security-cleared

C/C++

Rust/Go

Microservices

CI/CD

Education

Bachelor's Degree

Graduate Degree

8 years related experience (no degree)

Tools

Kubernetes

Apache Kafka

RabbitMQ

ZeroMQ

NATS

Job description

L3Harris Technologies is seeking a Senior Specialist, Software Engineering (Full Stack) to lead the design and implementation of secure, scalable mission applications for MOSSAIC. You’ll work on backend services, APIs, and rich web interfaces using Java, Python, TypeScript, and JavaScript, supporting sensor integration and C2 workflows.

You will mentor engineers, drive secure-development practices, and coordinate with partner teams, travel up to 15% as needed. Active Secret clearance is required.