Klaviyo
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit careers.klaviyo.com to see how we empower creators to own their own destiny.
About the Team The Channel Rendering and Engagement (CRE) team is responsible for the high-performance systems that power the rendering, delivery, and engagement tracking of communications across all channels at Klaviyo—including email, SMS, push, and more. We build and maintain the core infrastructure that ensures every message is generated, delivered, and tracked reliably, at scale, and in compliance with industry standards. This role will contribute to architecture and implementation of complex distributed backend services, ensuring high throughput and low latency. Success in this role relies on both technical excellence and the ability to work across teams and roles.
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)
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
Base Pay Range For US Locations Base Pay Range For US Locations: $152,000—$228,000 USD
Massachusetts Applicants It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Klaviyo is committed to a policy of equal opportunity and non-discrimination Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.
IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls.
By clicking “Submit Application” you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application. By clicking “Submit Application” you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application.
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About the Team The Channel Rendering and Engagement (CRE) team is responsible for the high-performance systems that power the rendering, delivery, and engagement tracking of communications across all channels at Klaviyo—including email, SMS, push, and more. We build and maintain the core infrastructure that ensures every message is generated, delivered, and tracked reliably, at scale, and in compliance with industry standards. This role will contribute to architecture and implementation of complex distributed backend services, ensuring high throughput and low latency. Success in this role relies on both technical excellence and the ability to work across teams and roles.
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)
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
Base Pay Range For US Locations Base Pay Range For US Locations: $152,000—$228,000 USD
Massachusetts Applicants It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Klaviyo is committed to a policy of equal opportunity and non-discrimination Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.
IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls.
By clicking “Submit Application” you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application. By clicking “Submit Application” you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application.
#J-18808-Ljbffr