Klaviyo Inc.
Senior Software Engineer - Developer Infrastructure
Klaviyo Inc., Boston, Massachusetts, us, 02298
Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech
Developer Infrastructure at Klaviyo is a force multiplier organization. It’s our job to make sure that engineers can ship quickly, confidently, and with minimal friction. The team builds foundational backend services as well as tooling and automation to allow product teams to test and release their software reliably and predictably. Engineers in Developer Infrastructure are team players who work collaboratively amongst themselves and with engineers from product teams to build the platform Klaviyo relies on to power its products.
As a Senior Software Engineer in Developer Infrastructure you will own multiple foundational Klaviyo services and make a big impact on the productivity of our product engineering teams.
How you will make a difference: Ship foundational services to enable Klaviyo engineering to move faster with confidence
Design and develop systems and processes that enable highly available & scalable systems
Design, build and deliver software to dramatically improve the availability, scalability, latency, and efficiency of Klaviyo’s internal developer productivity tooling
Achieve break-throughs in systems throughput by identifying and eliminating bottlenecks
Leverage technology such as Python, Go, Bash, Django, AWS, Kubernetes, Terraform, MySQL, Apache Pulsar, Redis, and Clickhouse to advance Klaviyo’s platform
Champion best practices by actively collaborating with other teams in a culture that values technical design review
Contribute to the company as a subject matter expert in multiple areas, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo.
Mentor and pair with other Klaviyo engineers to build better software by focusing on performance, self-healing system, configuration as code; defensive programming, application security, etc.
Participate in periodic on call duties with a focus on solving issues when they are discovered, preventing recurrences and minimizing alert fatigue
Work hand-in-hand with product-facing engineers to ship impactful code
Perform quantitative analysis to understand and scale Klaviyo systems and manage the cross-functional effort to resolve scalability issues
Produce and advocate for preventative, upstream solutions with internal stakeholders and external vendors and dependencies
Confidently make informed, data-driven decisions in a fast paced environment with competing priorities
Evangelize software development best practices across the engineering organization
Who You Are: BA or BS Degree in Computer Science, related field, or equivalent experience
5+ years of responsibility operating & scaling complex distributed systems
Experience developing applications in Python, Ruby, Go, etc.
Experience working on an engineering team building software
Experience working on developer productivity tooling (local development, CI/CD, build systems)
We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC, certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using
Covey Scout for Inbound
on April 3, 2025. Please see the independent bias audit report covering our use of Covey
here
#J-18808-Ljbffr
Developer Infrastructure at Klaviyo is a force multiplier organization. It’s our job to make sure that engineers can ship quickly, confidently, and with minimal friction. The team builds foundational backend services as well as tooling and automation to allow product teams to test and release their software reliably and predictably. Engineers in Developer Infrastructure are team players who work collaboratively amongst themselves and with engineers from product teams to build the platform Klaviyo relies on to power its products.
As a Senior Software Engineer in Developer Infrastructure you will own multiple foundational Klaviyo services and make a big impact on the productivity of our product engineering teams.
How you will make a difference: Ship foundational services to enable Klaviyo engineering to move faster with confidence
Design and develop systems and processes that enable highly available & scalable systems
Design, build and deliver software to dramatically improve the availability, scalability, latency, and efficiency of Klaviyo’s internal developer productivity tooling
Achieve break-throughs in systems throughput by identifying and eliminating bottlenecks
Leverage technology such as Python, Go, Bash, Django, AWS, Kubernetes, Terraform, MySQL, Apache Pulsar, Redis, and Clickhouse to advance Klaviyo’s platform
Champion best practices by actively collaborating with other teams in a culture that values technical design review
Contribute to the company as a subject matter expert in multiple areas, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo.
Mentor and pair with other Klaviyo engineers to build better software by focusing on performance, self-healing system, configuration as code; defensive programming, application security, etc.
Participate in periodic on call duties with a focus on solving issues when they are discovered, preventing recurrences and minimizing alert fatigue
Work hand-in-hand with product-facing engineers to ship impactful code
Perform quantitative analysis to understand and scale Klaviyo systems and manage the cross-functional effort to resolve scalability issues
Produce and advocate for preventative, upstream solutions with internal stakeholders and external vendors and dependencies
Confidently make informed, data-driven decisions in a fast paced environment with competing priorities
Evangelize software development best practices across the engineering organization
Who You Are: BA or BS Degree in Computer Science, related field, or equivalent experience
5+ years of responsibility operating & scaling complex distributed systems
Experience developing applications in Python, Ruby, Go, etc.
Experience working on an engineering team building software
Experience working on developer productivity tooling (local development, CI/CD, build systems)
We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC, certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using
Covey Scout for Inbound
on April 3, 2025. Please see the independent bias audit report covering our use of Covey
here
#J-18808-Ljbffr