Software Engineer II: Desktop & Web Apps with Hardware Integration

Sigma Defense Systems LLC; Huntsville (AL); On-site; USD 56,000 - 63,000; Full time

Benefits offered by this job

Dental and Vision Insurance

Medical Insurance with HSA/FSA/DFSA

Life and AD&D coverage

Employee Assistance Program (EAP)

401(k) with matching

PTO 160 hours

12 floating holidays

Educational Assistance

Highly Competitive Salary

Job summary

Sigma Defense Systems LLC seeks a Software Engineer II to build desktop and web applications, backend services, and hardware-integrated software. You will work across Qt-based desktop clients, web interfaces, and real-time communication layers while supporting field tests and customer demos. Ideal candidates have 3–4 years of software development, strong OOP, networking knowledge, and the ability to travel up to 15%.

U.S. citizenship and security clearance eligibility are required.

Qualifications

• Bachelor's degree in CS/CE/SE or related field.
• 3-4 years software development experience required.
• Proficient in object-oriented design and C++.
• Strong understanding of networking and TCP/IP.
• Experience with Git version control and CI/CD basics.
• Good written and verbal communication skills.
• U.S. citizen and able to obtain clearance.
• Willingness to travel up to 15%.

Responsibilities

• Design, implement, test, and maintain desktop and web apps.
• Develop backend services and REST APIs.
• Integrate software with hardware and external systems.
• Support field testing, customer demos, and documentation.
• Collaborate in architecture reviews and planning.

Skills

C++

Python

JavaScript

TypeScript

Linux

Git

Qt

REST APIs

Networking

TAK

Education

Bachelor's degree in CS/CE/SE

Tools

Qt

Angular

React

PostgreSQL

Docker

gRPC

WebSockets

Job description

Sigma Defense Systems LLC seeks a Software Engineer II to build desktop and web applications, backend services, and hardware-integrated software. You will work across Qt-based desktop clients, web interfaces, and real-time communication layers while supporting field tests and customer demos. Ideal candidates have 3–4 years of software development, strong OOP, networking knowledge, and the ability to travel up to 15%.

U.S. citizenship and security clearance eligibility are required.