Why You Should Join the Email Platforms Team:
The Email Platforms team at Klaviyo is building the next generation of infrastructure to support reliable, scalable, and performant email delivery. Our mission is to help Klaviyo reach enterprise scale by evolving and owning our email sending pipeline end-to-end. We're investing heavily in our homegrown email delivery infrastructure, giving us greater control, performance, and reliability in how we deliver emails for some of the largest brands in the world.
You’ll join a high-impact, high-ownership team tackling technical challenges around high-throughput systems, distributed messaging, and service performance at scale. Our work directly impacts customer satisfaction and business success. If you’re excited about email infrastructure, systems design, and high-scale backend development in Go, this is the role for you.
How You Will Make a Difference:
- Own and drive key components of the email pipeline architecture
- Design and implement scalable, high-throughput services in Go
- Develop systems that manage message queues and email delivery
- Help ensure our systems scale with customer growth, especially as we bring on larger enterprise accounts
- Collaborate cross-functionally to ensure the highest standards of performance, reliability, and deliverability
Who You Are:
- Senior-level backend engineer with strong systems design skills
- Proficient in Go (required). experience with Python is a plusExperienced working with high-throughput distributed systems
- Familiar with message queues (e.g., Pulsar, Kafka, RabbitMQ, SQS)
- Bonus: Experience with email infrastructure, MTAs, deliverability, or mailops
- Comfortable working independently on projects from design through production
- Able to thrive in a mostly remote team and deliver in a high-autonomy environment
Technologies We Use:
- Languages: Go , Python
- Infrastructure: AWS , DynamoDB, Kubernetes, Terraform
Frameworks: Gin (Go), Django (Python)
- Messaging: Pulsar , Kafka , other message queues
- Email Systems: MTA’s (GreenArrow), Proxy servers , email deliverability tools, monitoring tools
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