Customer.io
Senior Software Engineer- Backend Platform
Remote Engineering role with clear candidate location fit.
PostedJul 13, 2026
Eligible countries25 accepted countries
Seniority signalSenior
Work settingRemote
Accepted candidate locations
Role overview
Senior Software Engineer- Backend Platform
Requirements and responsibilities
Readable role content extracted into sections for faster review.
What you'll bring:
- Deep experience with distributed systems and large-scale backend architecture
- Strong instincts around reliability, observability, and fault tolerance
- Comfort reasoning about performance, capacity, and trade-offs at scale
- Experience with event-driven systems, message queues, or data pipelines is a plus
- A collaborative mindset — you raise the team around you
What You’ll Do
- Design and evolve distributed systems in Go to handle billions of daily events and messages and store and index petabytes of data
- Lead architectural decisions around performance, reliability, and real-time event processing
- Improve service-to-service communication through better APIs, messaging systems, and event-driven patterns
- Work across teams to uncover bottlenecks and system issues, and lead initiatives to resolve them for a smoother customer experience
- Tackle high-throughput challenges across data pipelines, queues, and scheduling infrastructure
- Able to debug production systems at scale using effective instrumentation, and resolve issues quickly and confidently
- Share knowledge and raise the bar through sharing your progress publicly with short videos, thoughtful writing, and mentorship
- Leverage AI tools to prototype, move faster, and make better decisions
What we're looking for
- Significant experience (typically 10+ years) building scalable, distributed systems in Go (or similar statically typed languages)
- Deep experience with databases - relational (MySQL, Postgres) and non-relational (DynamoDB, BigTable) - and how to make them fast
- Comfort working in cloud-native environments (AWS, GCP)
- Familiarity with APIs, observability, and operating production systems
- A bias for action over perfection, and pride in owning technical decisions
Our Process
- Application - We review everyone with care. Tell us why you're interested.
- Recruiter Call (30 mins) - Let’s chat about what you’re looking for and how we work.
- Behavioral Interview (60 mins) - Talk with one of our hiring managers. We’ll explore topics like ownership, product thinking, and collaboration.
- System Design Interview (60 mins) - A collaborative system design conversation focused on scaling challenges.
- Coding Interview (60 mins) -Pair with one of our engineers for an agentic live coding interview.
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