Senior Software Engineer, Full Stack
Customer.ioLondon, England, United Kingdom • • Baltimore, Maryland, United States
Posted April 2, 2026
150000 - 200000 USD
Full Time
About the Company
Customer.io is a communication platform that helps teams send smarter, more relevant messages using real-time behavioral data.
Job Description
Customer.io is looking for a Senior Software Engineer to build fullstack features in Go, React, and Ember, collaborate with others, share knowledge, and help evolve systems to scale with more customers and messages.
Requirements
- 7+ years of experience building and scaling backend services and product-facing features
- Fluency in TypeScript, React (or similar), and a statically typed backend language like Go
- Strong care for frontend polish, backend performance, and the overall customer experience
- Proficiency with APIs, relational databases, and writing testable, performant code
- Bias for action over perfection, and pride in owning technical decisions
Benefits
- 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums
- 16 weeks paid parental leave
- Unlimited PTO
- Stipends for remote work and wellness
- Professional development budget