15Five

Performance Management Platform — Human-Centered Leadership, Fully Remote

The consensus on 15Five: A company that practices what it preaches about employee development and psychological safety. Best for people who want remote flexibility and a strengths-based management culture.

2011
Founded
San Francisco, CA
Headquarters
~240
Employees
Series B
Private
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Culture Overview

What it's really like to work at 15Five

15Five literally builds the software that helps other companies create better cultures — and they aim to walk the talk internally. Founded by David Hassell with a mission to unlock human potential at work, the company pioneered the Best-Self Management methodology grounded in positive psychology and psychological safety. As a fully remote team of ~240, they emphasize strengths-based development, continuous feedback, and conscious leadership.

Glassdoor Ratings

15Five Glassdoor Ratings & Employee Reviews

3.1
Overall Glassdoor Score
Based on 217 reviews
Culture & Values 3.2
Work-Life Balance 3.6
Compensation & Benefits 3.1
Career Opportunities 3.0
Senior Management 2.7
Overall Rating 3.1
41% Recommend to a Friend
David Hassell (CEO, Returned Nov 2025)
Employee Review Themes

Working at 15Five: Pros & Cons

What employees love

  • Mission-driven to the core — building software that genuinely helps people thrive at work
  • Fully remote with real flexibility — no return-to-office pressure
  • Incredible coworkers — kind, smart, and genuinely caring people
  • Best-Self Management philosophy creates a strengths-based, growth-oriented environment

What could be better

  • Company went through turbulent leadership changes — founder recently returned as CEO
  • Multiple rounds of layoffs created uncertainty and eroded trust
  • Strategy and priorities shifted frequently — talk track changes every 60–75 days
  • Compensation is below market for some roles, especially engineering
Product & Engineering

How the engineering team works

Tech Stack

Ruby on Rails React Python AI/ML

Platform

Performance Management OKRs Employee Engagement

AI Investment

Building AI-powered performance management with agentic workflows — the Data Intelligence Platform is a major engineering investment area.

Team Structure

Small, autonomous engineering squads. Fully remote with async-friendly practices. Product engineers have high ownership and direct impact on the platform.

Open Positions

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Featured roles currently hiring at 15Five.

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