1710 - Software Engineer II

Sigma Defense Systems LLC; Huntsville (AL); On-site; USD 123,984,000 - 144,648,000; Full time

Benefits offered by this job

Dental and Vision Insurance

Medical Insurance with HSA/FSA/DFSA

Life and AD&D coverage

401(k) Matching

Job summary

Sigma Defense Systems LLC seeks a Software Engineer II to design, develop, and test desktop and web-based software for communications and hardware-integrated systems. You will work on Qt desktop apps, modern web front-ends (Angular/React/Vue), and backend services with REST and gRPC. Expect collaboration across disciplines, field testing support, and travel up to 15%.

Qualifications include 3-4 years of software development, strong OO, and TCP/IP knowledge. Bachelor's in CS/CE/SE required; U.S.

Qualifications

• Must-have: 3-4 years software development experience
• Proficiency in object-oriented software development
• Understanding of networking fundamentals and TCP/IP
• Experience with Git or similar version control
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent written and verbal communication
• Ability to work independently and in a small team
• Willingness to travel up to 15%
• U.S. citizen status required

Responsibilities

• Design, develop, test, and maintain desktop and web-based software
• Develop software using C++, Python, JavaScript/TypeScript
• Create desktop apps with Qt and modern web apps with Angular/React/Vue
• Build backend services and REST APIs, real-time interfaces
• Integrate software with hardware and external systems
• Develop Protocol Buffer definitions and communications interfaces
• Support customer demonstrations and field testing

Skills

C++

Python

JavaScript

TypeScript

Linux

Networking

Git

REST APIs

WebSockets

gRPC

PostgreSQL

Education

Bachelor's degree in CS/CE/SE

Tools

Qt

Angular

React

Vue

Docker

PostgreSQL

Job description

Sigma Defense is seeking a Software Engineer II to join our team developing software solutions for communications, tactical, and hardware-integrated systems. This role involves a combination of desktop application development, web application development, backend services, hardware integration, and system testing.

The ideal candidate enjoys solving technical challenges, learning new technologies, and working across multiple disciplines. This position offers opportunities to develop desktop and web-based applications, integrate software with hardware systems, support customer demonstrations, and participate in field testing activities.

Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Requirements

• 3-4 years of software development experience (professional, internship, academic, or personal project experience considered)
• Experience with object-oriented software development principles
• Understanding of networking fundamentals and TCP/IP communications
• Experience using Git or similar version control systems
• Strong analytical, troubleshooting, and problem-solving skills
• Ability to learn new technologies and adapt to evolving project requirements
• Strong written and verbal communication skills
• Ability to work independently and collaboratively within a small engineering team
• Ability to travel up to 15% of year
• Must be a U.S. citizen
  
  
  

Candidate Differentiators:

• Experience with Qt and desktop application development
• Experience developing web applications using Angular, React, Vue, or similar frameworks
• Experience developing REST APIs and backend services
• Experience with PostgreSQL, SQL databases, or database design
• Experience with gRPC and Protocol Buffers
• Experience with WebSockets and real-time data streaming
• Experience with Docker or containerized deployments
• Experience developing TCP/UDP network applications
• Experience working with geospatial technologies or mapping applications
• Experience programming embedded systems, microcontrollers, or Arduino-based devices
• Experience integrating software with hardware devices and external systems
• Experience with Team Awareness Kit (TAK) technologies, including ATAK, WinTAK, TAK Server, and Cursor-on-Target (CoT) is preferred
  
  
  

Computer Programs/Software:

• C++
• Python
• JavaScript
• TypeScript
• Linux
  
  
  

Personnel Clearance Level:

• Candidate must possess or have the ability to obtain an active Secret security clearance or higher
• Clearance may be sponsored for the right candidate
  
  
  

Education Requirements:

• Bachelor's degree from an accredited college or university in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, or related field of study
  
  
  

Essential Job Duties (not all-inclusive):

• Design, develop, test, and maintain desktop and web-based software applications
• Develop and maintain software using C++, Python, JavaScript, TypeScript, and related technologies
• Develop desktop applications using frameworks such as Qt
• Develop and maintain modern web applications using frameworks such as Angular, React, or similar technologies
• Design and implement backend services, REST APIs, and real-time communication interfaces
• Develop and maintain client/server applications utilizing TCP/IP, UDP, WebSockets, gRPC, and related communication technologies
• Integrate software with hardware devices, sensors, and external systems
• Develop and maintain Protocol Buffer message definitions and communication interfaces
• Support database-driven applications and data visualization tools
• Troubleshoot and resolve software defects throughout the development lifecycle
• Develop technical documentation, interface control documents (ICDs), user guides, and test procedures
• Participate in software architecture discussions, design reviews, and technical planning activities
• Support customer demonstrations, field testing, system integration activities, and operational evaluations
  
  
  

Hourly Rate: $43.27 per hour.

Benefits

• Dental and Vision Insurance
• Medical Insurance to Include HSA, FSA, and DFSA Plans
• Life and AD&D coverage
• Employee Assistance Program (EAP)
• 401(k) Plan with Company Matching Contributions
• 160 Hours of Paid Time Off (PTO)
• 12 (Floating) Holidays
• Educational Assistance
• Highly Competitive Salary