


Customer.io
Customer.io is a marketing automation platform built on real-time behavioral data. Companies segment audiences by personal attributes and browsing history, then trigger email and push messages on what someone actually did. Founded in 2012, it runs as a fully remote company and hit $100M ARR in 2025.
Customer.io's Remote Policy
From the "How we work remotely" section of their careers page: "At Customer.io, our fully remote work environment empowers us to do our best work—wherever we are in the world."
On their async operating model: "We prioritize thoughtful communication and reducing unnecessary meetings to focus on meaningful work. We've established collaboration hours across time zones for efficient teamwork."
On in-person connection: "While we value digital flexibility, we also offer connections through collaborative work sessions, coworking spaces, and social events, ensuring a balanced and engaging work experience."
Benefits & Perks
Health & Wellness
9
Health & Wellness
Health Insurance
Dental Insurance
Vision Insurance
Mental Health Benefits
Life Insurance
Health Savings Account (HSA)
Flexible Spending Account (FSA)
Wellness Programs
Employee Assistance Program
Financial
4
Financial
401(k) / Retirement Plan
401(k) Match
Financial Planning
Pay Transparency
Time Off
6
Time Off
Unlimited PTO
Sabbatical
Paid Holidays
Sick Days
Medical Leave
Flexible Schedule
Remote & Equipment
4
Remote & Equipment
Home Office Stipend
Internet Stipend
Coworking Allowance
Company Offsites / Retreats
Family & Care
2
Family & Care
Caregiver Policy
Parental Leave
Professional Growth
1
Professional Growth
Learning & Development Budget
Culture & Perks
3
Culture & Perks
Employee Resource Groups
Team Events & Social Budget
Employee Recognition Awards
Tech Stack
JavaScript & Libraries
Frameworks
Databases
Infrastructure
CMS & Content
Hosting
Analytics & Monitoring
Advertising & Marketing
Sales & CRM
Payments
Integrations
Why Customer.io
Customer.io is still led by founder and CEO Colin Nederkoorn, and the product has grown past email: a mobile SDK for iOS and Android, plus integrations with data warehouse providers including Amazon Redshift and Google BigQuery. Pay is published up front: nearly every open role lists its compensation on the posting itself, under the line "We believe in transparency."
Four core values run the place, and the fourth is "Awkwardness," defined as celebrating uniqueness and supporting teams in an inclusive way, alongside Empathy, Transparency, and Responsibility. Inclusion work has a name and a structure: Ami Resource Groups, plus a named Ami Ambassador role for people who want to shape culture directly. Collaboration hours exist across time zones but the actual hours are never published, so expect async-first work with a synchronous overlap window rather than a meeting-free extreme.
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Senior Software Engineer, Backend
Customer.io
Senior Software Engineer, Full Stack
Customer.io
Senior Software Engineer, Full Stack
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