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.

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

We love tackling tough engineering problems and look for Engineers who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies and work hard to ensure each day is better than the last.

Klaviyo operates a real-time data platform built for massive scale on Amazon Web Services (AWS). Engineers come to Klaviyo with experience in a variety of languages and from a number of disciplines.

Area Overview:

The Data Platform area provides the necessary infrastructure, tools and service to efficiently process, store, manage and analyze PBs of data. This data creates the foundation of Klaviyo’s technical functionality and is leveraged by our internal application, data science, and business intelligence organizations to generate data-driven insights for our customers.

Responsibilities:

As a Lead Data Engineer II for the Data Platform, you will be responsible for defining the technical vision, feature set, and overall experience for Klaviyo’s Data Platform. You will bring industry expertise and a developer-focused perspective to the area; perpetuating a culture of data at scale for our data engineering, application, data science and business intelligence teams. You’ll push the area to focus on the use-cases that enable optimal data interactions, and work with the leads of the area’s teams to ensure the delivery of engineering design, and subsequent execution to get these efforts in the hands of our stakeholders while building towards your technical vision.

The Data Platform area accelerates the organizations’ ability to intelligently transform the business with quality data, industry solutions and an intuitive platform. You’ll drive the team to deliver enterprise-level solutions leveraging industry standard practices. Our developers treat the Data Platform as their trusted partner to enable growth and solve their most critical business problems.

Team Tech Stack:

Hudi

Clickhouse

MySQL

EMR

Airflow

Parquet

Kubernetes

Terraform

Spark

Kafka

Python

Required Skills:

Bachelor's degree or equivalent practical experience
12 years of experience in software development, and strong knowledge of computer science fundamentals
8 years of experience testing, developing, and launching software products, and 5 years of experience with software design and architecture
4 years of experience disseminating a technical vision through multiple scrum teams.
Hands-on experience designing reliable, fault-tolerant, and high performance distributed systems
Proven ability to come up to speed quickly
Experience applying multi-dimensional data models to analytical data for optimal storage and retrieval
- Star Schema
- Snowflake Schema
- Data Vault
Knowledge of data algorithms and database internals. Examples include:
- Building stream/batch processing applications
- Understanding of search, range or probabilistic indices
- Knowledge of B / LSM Trees
4+ years of professional experience using:
- Hudi or Delta Lake
- Clickhouse, Druid, Pinot or similar.
- Cloud-based DFS (eg. AWS S3, Google Storage Buckets, Azure Blob Storage)

Preferred Skills:

8 years of experience in an architectural role leading project teams and setting technical vision
6 years of experience working in an organization involving cross-functional teams
4+ years of experience applying multi-dimensional data modeling for optimal storage and retrieval
- Star Schema
- Snowflake Schema
- Data Vault
4+ years of experience designing systems leveraging:
- Hudi or Delta Lake
- Clickhouse, Druid, Pinot or similar.
- Cloud-based DFS (eg. AWS S3, Google Storage Buckets, Azure Blob Storage)

The pay range for this role is listed below. Sales roles are also eligible for variable compensation and hourly non-exempt roles are eligible for overtime in accordance with applicable law. This role is eligible for benefits, including: medical, dental and vision coverage, health savings accounts, flexible spending accounts, 401(k), flexible paid time off and company-paid holidays and a culture of learning that includes a learning allowance and access to a professional coaching service for all employees.

Pay Range For US Locations:

$232,000—$309,430 USD

Get to Know Klaviyo

We’re Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators—ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from day one and supported with generous benefits, we hope you’ll join us.

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. 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.

You can find our Job Applicant Privacy Notice here.

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