Lead Engineer, Klaviyo

Data Exchange

$232-348k

React
AWS
Docker
Kubernetes
TypeScript
Python
Django
Kafka
Redis
Airflow
Terraform
Jenkins
MySQL
Spark
RabbitMQ
Jest
Babel
Grafana
BigQuery
FastAPI
Expert level
Boston

1+ day a week in office

Klaviyo

Intelligent marketing automation powered by customer data

Job no longer available

Klaviyo

Intelligent marketing automation powered by customer data

1001+ employees

B2BMarketingContenteCommerce

Job no longer available

$232-348k

React
AWS
Docker
Kubernetes
TypeScript
Python
Django
Kafka
Redis
Airflow
Terraform
Jenkins
MySQL
Spark
RabbitMQ
Jest
Babel
Grafana
BigQuery
FastAPI
Expert level
Boston

1+ day a week in office

1001+ employees

B2BMarketingContenteCommerce

Company mission

To give online brands direct ownership of their consumer data and interactions, empowering them to turn transactions with customers into long-term relationships—at scale.

Role

Who you are

  • 12 years of experience in software development, strong knowledge of computer science fundamentals, domain-driven design, and extensive expertise in architectural patterns, specifically within the domain of distributed systems
  • Proven expertise in applying relevant design patterns to implementing highly-scalable multi-tenant systems
  • 8 years of experience testing, developing, and launching complex software products, and 5 years of hands-on experience in software design and system architecture, with a focus on reliability, fault-tolerance, and high performance
  • Demonstrated experience in contributing to the product and platform vision, as well as defining the strategy within the broader scope of long-term organizational needs
  • Exceptional communication skills, 4 years of experience disseminating a technical vision through multiple scrum teams and across the organization
  • Solid foundation in data processing systems, experience with big data stack, and expertise in building stream/batch processing applications
  • Familiarity with multi-dimensional data modeling, data change management, data warehousing, data governance concepts, and serverless data architectures
  • Experience mentoring seasoned engineers, focusing on leads and seniors with 7-12 years of experience

What the job involves

  • 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
  • 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
  • The Data Exchange area is responsible for collecting, distributing, and orchestrating data movement into and out of Klaviyo and between Klaviyo domains through a variety of protocols and delivery mechanisms
  • In addition, we provide other engineering teams and 3rd-party developers with infrastructure and tools to easily build data syncing workflows
  • On a daily basis, we handle billions of interconnected data points with a wide range of freshness, consistency, and interoperability requirements
  • Define technical strategy within the scope of Data Exchange and execute to improve the area's architecture, products, infrastructure, and processes. Contribute to defining strategic direction, planning the roadmap, escalating issues, and synthesizing feedback to ensure team success
  • Lead the technical evolution of the area, overseeing multiple teams and ensuring alignment with your pillar objectives, company goals, and long-term strategy. Ensure technical designs are properly evaluated across multiple teams, provide and respond to thoughtful feedback across the organization to improve technical designs
  • Act as domain leader and the interface between a group of teams and the rest of the organization. Build relationships with stakeholders including customers, product managers, cross-functional partners, and external partners. Communicate the strategic direction and the rationale behind it to the entire organization
  • Strategize and execute independently and through others. Set direction for multiple teams in partnership with their managers. Manage and mitigate risks to plans
  • Mentor other engineers regularly, primarily experienced lead and senior engineers. Ensure others in the area are developing skills they need to improve within the organization

Our take

Klaviyo is a marketing firm helping growth-focused eCommerce brands drive more sales with super-targeted, highly relevant email, Facebook and Instagram marketing campaigns. From personalised newsletters to automated emails when customers abandon their shopping carts, the marketing automation platform makes it easy for businesses to capture, store, analyze, and predictively use their own data to drive measurable, high-value outcomes.

Klaviyo's CEO, Bialecki, believes that the main problem with e-mail marketing today is that there is a divide between two kinds of tools: analytics tools that help you understand what people are doing on a website, such as what products they are considering, and messaging tools that send them a marketing e-mail. Operating primarily within the retail and eCommerce industry, Klaviyo aims to solve this by offering a tool that brings together analytics and messaging. This allows companies to bring all of their first-party data into a single platform to get a deep understanding of their customers and then activate that data to deliver highly-targeted, personalised communications through email and SMS. In the process, Klaviyo's customers get a deep understanding of their consumers.

Klaviyo is a fast-growing company mainly due to its business model - the firm offers a concrete ROI for Klaviyo’s clients if the software persuades customers to make purchases by treating different types of customers differently. An IPO in 2023 has led to Klaviyo's release of Klaviyo AI, which empowers businesses to unlock revenue-driving opportunities and deliver exceptional customer experiences across channels. Still in its early days of public listing, it will be interesting to see how Klaviyo fares in the years to come.

Freddie headshot

Freddie

Company Specialist

Insights

Top investors

Some candidates hear
back within 2 weeks

46% female employees

4% employee growth in 12 months

Company

Employee endorsements

Opportunities to learn

"Not only we have a good stipend to spend on learning but we also have development days every quarter, where we can switch off and focus on the areas..."

Funding (last 2 of 6 rounds)

Aug 2022

$100m

LATE VC

May 2021

$320m

SERIES D

Total funding: $778.5m

Company benefits

  • Private health care cover
  • All full time employees receive equity
  • Commuting allowance for when you do travel to the office,
  • A very generous education allowance every year for you to spend on learning and development.
  • Free books policy - if you’re better off for having read it (or listened to it—audiobooks are covered too!) we’ll pay for it.
  • Generous and flexible PTO policy
  • Participation in Klaviyo ESPP

Company values

  • We always put our customers first.
  • We are owners.
  • We strive to make the world more equitable.
  • We are ambitious.
  • We are always learning.
  • We collaborate radically.
  • We are remarkable.

Company HQ

Financial District, Boston, MA

Founders

Previously CTO at RockTech, Senior Engineer at Performable, Lead Engineer at Applied Predictive Technologies and an SDET Intern at Microsoft

Ed Hallen

(Chief Product Officer)

Currently an Advisor at Team Engine. Previously worked in Enterprise Business Development at Google, Summer Associate at Accel-KKR and Principal at Applied Predictive Technologies.

Salary benchmarks

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Diversity & Inclusion at Klaviyo

Katelyn Nnake headshot

Katelyn Nnake (Director of Diversity, Equity & Inclusion)

  • At Klaviyo one of our key values is "we strive to make the world more equitable"
  • In 2023 over 75% of Klaviyos participated in a Klaviyo Resource Group

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