# Core Experience Engineer - Senior Software Engineer

Core Experience Engineer - Senior Software Engineer Onsite - Caxias do Sul, Brazil $57,000 USD + Equity & Benefits About TestBox TestBox was founded with a bold mission: to fundamentally transform how software is bought and sold. We’re building an innovative platform that empowers buyers with transparent, interactive software experiences, while equipping sellers with powerful tools to deliver exceptional buying and onboarding journeys. Our core technologies - synthetic data, intelligent orchestration, and our unique product graph - help teams achieve faster implementations, clearer insights, and increase trust with their customers. At TestBox, we're not just improving demos; we're building the next generation infrastructure for software transactions, creating seamless experiences from initial interest to successful onboarding and beyond. We're a fast-growing startup built by a team that values experimentation, velocity, and customer impact. We’re backed by world-class investors and are building a platform that’s disrupting the traditional B2B sales motion. Role Overview We’re looking for a Senior Software Developer who loves building product experiences and thrives in a fast-paced

- **Id**: 1296091
- **Url**: <https://alion.io/job/testbox-core-experience-engineer-senior-software-engineer>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Caxias do Sul, Brazil
- **Countries**: BR
- **Hiring countries total**: 0
- **Experience years min**: 4
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: yes
- **Status**: live
- **First seen at**: 2025-08-19T12:50:32Z
- **Employer posted date**: 2025-08-19
- **Last verified at**: 2026-11-12T06:40:10Z
- **Board verified**: yes
- **Days open**: 449
- **Description format**: text
- **Description chars**: 4758
- **Description truncated**: no
- **Benefits**: Equity, Unlimited PTO
- **Relocation offered**: no
- **Industries**: Artificial Intelligence, E-learning, Virtual Events

## Company

- **Id**: 2270142
- **Name**: TestBox
- **Domain**: testbox.com
- **Url**: <https://alion.io/company/testbox-com>
- **Size band**: 11-50
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Breezy

## Salary estimate

- **Min usd**: 50000
- **Max usd**: 118000
- **Period**: year
- **Method**: role_seniority_country_remote_cell
- **Sample n**: 8

## Technologies

- **Synthetic Data** — Optional: no
- **AWS** — Optional: yes
- **Azure** — Optional: yes
- **Django** — Optional: yes
- **GCP** — Optional: yes
- **GraphQL** — Optional: yes
- **JavaScript** — Optional: yes
- **Python** — Optional: yes
- **React.js** — Optional: yes
- **Rest API** — Optional: yes

## Trust

- **Level**: stale
- **Repost count**: 0
- **Flags**: stale
- **Days open**: 448

## Requirements

- **Experience years min**: 4
- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **Brazil** — Iso: BR; Kind: country

## Lifecycle

- Event: open; At: 2026-09-26T09:14:21Z

## Liveness

- **Score**: 8
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.268
- **P room**: 0.28
- **Age days**: 448
- **Expected fill days**: 32
- **Reasons**: conf:3, win:tail, crowd:
- **Computed at**: 2026-11-11T05:49:22Z

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.