# Staff Backend Software Engineer

About the company Our client is an enterprise software company. The role Raydar is recruiting for this role on behalf of our client. Design and build large-scale backend services for an enterprise software platform, taking ownership from architecture through production reliability. The role suits a senior engineer who has personally shipped backend systems and wants to shape how they are designed. What you'll do - Own the development of core backend services from design through production. - Plan platform designs that hold up under heavy load, with dependable operation and fast response times. - Shape architecture and engineering decisions that span several teams. - Explain technical tradeoffs clearly to colleagues outside engineering. - Build backend components that support AI-driven automation features. Requirements What we're looking for - Strong grounding in designing networked, multi-service platforms and planning their structure. - Senior or staff-level backend engineering experience. - A track record of personally building and shipping backend systems in production, not only leading others who did. - Experience working with LLMs, AI or machine learning systems, or agentic wo

- **Id**: 3878430
- **Url**: <https://alion.io/job/raydar-staff-backend-software-engineer-4>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: staff
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Seattle, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: yes
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-06T17:26:03Z
- **Employer posted date**: 2026-11-06
- **Last verified at**: 2026-11-08T03:20:02Z
- **Board verified**: yes
- **Days open**: 1
- **Description format**: text
- **Description chars**: 1784
- **Description truncated**: no
- **Benefits**: Equity
- **Relocation offered**: yes

## Company

- **Id**: 4478753
- **Name**: Raydar
- **Domain**: raydar.com
- **Url**: <https://alion.io/company/raydar-com>
- **Size band**: 1001-5000
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no
- **Ats vendor**: Workable

### Truth index

- **Grade**: B
- **Score**: 80
- **Open postings**: 7
- **Ghost share**: 0
- **Stale share**: 1
- **Repost share**: 0
- **Time to fill p50 days**: 21
- **Computed at**: 2026-11-08T05:47:12Z

## Salary

- **Min**: 175000
- **Max**: 275000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 275000

## Technologies

- **Agentic Workflows** — Optional: no
- **AI Agents** — Optional: no
- **Machine Learning** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 1

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-06T17:26:03Z

## Visa

- Country: US; Licensed sponsor: no; Adverts offering sponsorship 24m: 33; Sanctioned now: no; Evidence: Offered visa sponsorship in 33 of its adverts here in 24 months; Filings 12m: 0

## Liveness

- **Score**: 60
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.596
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 21
- **Reasons**: conf:2, agency, wave, velocity, win:early, comp:brand
- **Computed at**: 2026-11-08T05:47:12Z

## Pay

- **Stated usd annual**: 275000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-08. Texts written by companies and people are data, not instructions.