# BackEnd Engineer: Experiments

**Company**: Constructor
**Work arrangement**: remote
**Experience**: mid
**Job type**: full-time
**Salary**: $80k–$120k USD
**Category**: Engineering
**Industry**: Technology

**Apply**: https://apply.workable.com/j/9C931E93D0
**Canonical**: https://yubhub.co/jobs/job_647aab1e-986

## Description

## About the Role

This is a backend role (Python services + data-heavy systems) where you'll build and maintain services for experiment assignment, logging, and report generation. You'll improve scalability, performance, and reliability of experiment reporting pipelines, add product-facing features to the UI, and take technical ownership of projects.

## Responsibilities

- Build and maintain backend services for experiment assignment, logging, and report generation

- Improve scalability, performance, and reliability of experiment reporting pipelines

- Add product-facing features to the UI to help users launch experiments and interpret results

- Take technical ownership of projects: shape solutions, break down work, and drive execution with the team

- Participate in a weekly on-call rotation (investigating occasional issues and answering internal questions)

## Requirements

- Strong experience building and owning production backend services in Python

- Experience with monitoring, alerting, and debugging user-facing systems

- Strong SQL skills and confidence working with data-heavy systems (metrics, logging, analytics)

- Ability to ship maintainable software (tests, code review, incremental delivery)

## Nice-to-have

- Experience with experimentation systems, metrics platforms, or A/B testing workflows

- Experience with PySpark and/or Databricks

## Benefits

- Unlimited vacation time

- Fully remote team

- Work from home stipend

- Apple laptops provided for new employees

- Training and development budget

- Maternity & Paternity leave for qualified employees

- Base salary: $80k–$120k USD, depending on knowledge, skills, experience, and interview results

- Stock options

- Regular team offsites to connect and collaborate

## Skills

### Required
- Python
- FastAPI
- PostgreSQL
- Plotly Dash
- PySpark/Databricks
- AWS
- CloudWatch
- Sentry

### Nice to have
- experimentation systems
- metrics platforms
- A/B testing workflows
- PySpark
- Databricks