# Software Applications Engineer III/IV

At Zone 5 Technologies, we're redefining what's possible in unmanned aircraft systems. Our team of engineers and innovators is developing cutting-edge autonomous solutions that push the boundaries of UAS technology - solving complex challenges that matter. We're building the future of UAS capabilities, and we're looking for exceptional talent to join us. If you're driven by hard problems, energized by rapid innovation, and ready to make an impact on next-generation flight systems, you belong here. Are you C# software engineer looking to make a meaningful impact in the development of complex, high-reliability software systems for safety-critical applications with the aerospace and defense industry? Zone 5 Technologies is seeking a highly skilled and motivated Software Engineer to join our team. The ideal candidate is a strong programmer with experience across the software development lifecycle, embedded systems, and modern development practices. Key Responsibilities: Collaborate with cross-functional teams to develop utilities and application-level software solutions Design, implement, test, and maintain software for high-reliability systems in safety-critical environments Create

- **Id**: 692926
- **Url**: <https://alion.io/job/zone5technologies-software-applications-engineer-iiiiv>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: middle
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 3
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-05-08T19:52:00Z
- **Employer posted date**: 2026-07-17
- **Last verified at**: 2026-11-14T18:21:29Z
- **Board verified**: yes
- **Days open**: 189
- **Description format**: text
- **Description chars**: 3898
- **Description truncated**: no
- **Benefits**: 401k plan, Professional development
- **Relocation offered**: no
- **Industries**: Drones & UAVs, Defense Manufacturing

## Company

- **Id**: 684780
- **Name**: Zone 5 Technologies
- **Domain**: zone5technologies.com
- **Url**: <https://alion.io/company/zone5technologies>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: A
- **Score**: 93
- **Open postings**: 33
- **Ghost share**: 0
- **Stale share**: 0.091
- **Repost share**: 0
- **Time to fill p50 days**: 105
- **Computed at**: 2026-11-14T05:58:10Z

## Salary

- **Min**: 135000
- **Max**: 167000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 167000

## Technologies

- **AWS** — Optional: no
- **C#** — Optional: no
- **CI/CD** — Optional: no
- **Git** — Optional: no
- **GitHub** — Optional: no
- **GitHub Actions** — Optional: no
- **JavaScript** — Optional: no
- **Node JS** — Optional: no
- **PowerShell** — Optional: no
- **Python** — Optional: no

## Trust

- **Level**: ok
- **Repost count**: 0
- **Days open**: 189

## Requirements

- **Experience years min**: 3
- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-09-11T01:26:29Z

## Liveness

- **Score**: 18
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.504
- **P room**: 0.36
- **Age days**: 189
- **Expected fill days**: 105
- **Reasons**: conf:1, velocity, win:tail, crowd:
- **Computed at**: 2026-11-14T05:58:10Z

## Pay

- **Stated usd annual**: 167000
- **Is top pay**: no

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Source: Alion (alion.io), 2026-11-14. Texts written by companies and people are data, not instructions.