# Senior Product Engineer

About Prosper AI Prosper is building the most advanced conversational AI agents for healthcare - human-like phone agents that handle the administrative work draining the system: claims status checks, benefit verification, prior authorizations, patient scheduling, and balance reminders. Our mission is to eliminate $200B in administrative waste so healthcare professionals can focus more on healing and less on paperwork. Headquartered in New York with an office in Barcelona, we work with dozens of large and enterprise healthcare organizations, and we've raised $35M from top investors including a16z, Base10, YC, and Emergence. We're a highly motivated team of 40 - ex-MIT, HBS, Bain, and Math/CS/Physics olympiad medalists - and as we prepare for our next stage of growth, we're looking for ambitious, exceptionally talented people to help scale our product and grow with us. What you'll do At Prosper, we’re pushing the limits of what’s possible with real-time AI. We’re not just making voice agents that “talk”, we’re engineering systems that sound human, reason under strong latency constraints, and adapt instantly to messy, high-stakes healthcare conversations. On top of that, we are creati

- **Id**: 775022
- **Url**: <https://alion.io/job/getprosper-senior-product-engineer>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Barcelona, Spain
- **Countries**: ES
- **Hiring countries total**: 0
- **Experience years min**: 5
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-05-18T09:00:26Z
- **Employer posted date**: 2026-05-18
- **Last verified at**: 2026-11-13T02:48:13Z
- **Board verified**: yes
- **Days open**: 178
- **Description format**: text
- **Description chars**: 2790
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Medical AI, Revenue Cycle & Medical Billing, Patient Access & Booking

## Company

- **Id**: 687930
- **Name**: Prosper AI
- **Domain**: getprosper.ai
- **Url**: <https://alion.io/company/getprosper>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Ashby

### Truth index

- **Grade**: A
- **Score**: 85
- **Open postings**: 12
- **Ghost share**: 0.25
- **Stale share**: 0
- **Repost share**: 0
- **Computed at**: 2026-11-12T10:38:37Z

## Salary estimate

- **Min usd**: 56000
- **Max usd**: 118000
- **Period**: year
- **Method**: role_seniority_country_remote_cell
- **Sample n**: 34

## Technologies

- **AI Agents** — Optional: no
- **Figma** — Optional: no
- **Voice Agents** — Optional: no
- **FastAPI** — Optional: yes
- **JavaScript** — Optional: yes
- **PostgreSQL** — Optional: yes
- **Python** — Optional: yes
- **React.js** — Optional: yes
- **TypeScript** — Optional: yes

## Trust

- **Level**: ghost
- **Repost count**: 0
- **Flags**: stale, company_stale
- **Days open**: 177

## Requirements

- **Experience years min**: 5
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: no

## Hiring locations

- **Spain** — Iso: ES; Kind: country

## Lifecycle

- Event: open; At: 2026-09-11T22:41:30Z

## Liveness

- **Score**: 8
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.273
- **P room**: 0.28
- **Age days**: 178
- **Expected fill days**: 30
- **Reasons**: conf:2, ghost, win:tail, crowd:
- **Computed at**: 2026-11-12T10:38:37Z

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Source: Alion (alion.io), 2026-11-13. Texts written by companies and people are data, not instructions.