Backend Engineer: Experiments

Stack

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)
• ▹Occasionally work in the Dash UI and on Spark jobs (about 5-10% of the work)

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)
• ▹Ownership: ability to turn ambiguous problems into an executable technical plan

Nice to have

• ▹Experience with experimentation systems, metrics platforms or A/B testing workflows
• ▹Experience with PySpark and/or Databricks

Soft skills

What we offer

• ▹Unlimited vacation time (at least 3 weeks per year encouraged)
• ▹Fully remote team, choose where you live
• ▹Work from home stipend
• ▹Apple laptops for new employees
• ▹Annual training and development budget
• ▹Maternity and paternity leave
• ▹Stock options on top of base salary
• ▹Regular team offsites

About the company

Constructor is a US-based ecommerce search and product discovery platform on the market since 2019. The Experiments team consists of 3 software engineers, 1 data analyst, an engineering manager and a product manager, and its experimentation platform is used both internally and by customers.