Customer.io · 1 week ago
Senior Software Engineer, Backend
Customer.io is a platform that powers automated communication for over 8,000 companies, helping them send relevant messages using real-time behavioral data. They are seeking a Senior Software Engineer, Backend to design and build distributed systems in Go, ensuring reliable solutions for their customers' communication needs.
Artificial Intelligence (AI)SaaSSoftwareProduct Search
Comp. & BenefitsH1B Sponsor Likely
Responsibilities
Design and build distributed systems in Go that help customers send timely, relevant messages at scale
Collaborate across teams to debug issues and deliver reliable solutions
Own problems end to end - from architecture and schema design to testing, deployment, and monitoring
Share knowledge and raise the bar through sharing your progress publicly with short videos, thoughtful writing, and mentorship
Use AI agents to make multi-file changes by scoping the work, writing the prompt, and verifying the output
Qualification
Required
7+ years of experience building scalable, distributed systems in Go (or similar statically typed languages)
Comfort working in cloud-native environments (AWS, GCP)
Familiarity with relational databases (we use MySQL) and an understanding of performance tradeoffs
Experience with observability tooling and operating production systems
A bias for action over perfection, and pride in owning technical decisions
Benefits
100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family
16 weeks paid parental leave
Unlimited PTO
Stipends for remote work and wellness
A professional development budget
Company
Customer.io
Data-driven customer engagement platform for personalized journeys.
H1B Sponsorship
Customer.io has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
100%
Represents job field similar to this job
Engineering and Development
Trends of Total Sponsorships
*2024 (1)
2023 (1)
Funding
Current Stage
Growth StageTotal Funding
$10.86MKey Investors
Spectrum EquityOregon Venture Fund
2022-03-08Series A
2021-06-24Equity Crowdfunding· $5M
2020-10-22Series Unknown· $1.06M
Leadership Team
Colin Nederkoorn
Founder & CEO
Zhi Li
Chief Financial Officer
Recent News
SEC
2026-06-22
2026-04-10
Company data provided by crunchbase