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Klaviyo

Software Engineer II - Profiles, Identity, Consent

Posted Yesterday
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Easy Apply
Hybrid
Boston, MA
120K-180K Annually
Mid level
Easy Apply
Hybrid
Boston, MA
120K-180K Annually
Mid level
As a Software Engineer II, you will design and maintain systems for processing profile data, collaborating with cross-functional teams and providing mentorship on technical matters.
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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.

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.

**This role is based in Boston and requires working onsite three days per week**Your role with this team

The Profiles, Identity, and Consent teams are responsible for processing and storing profile-related data at Klaviyo. This data represents Klaviyo’s customers’ own customers (known as profiles) and the reachability of those profiles across all messaging channels. We work closely with teams responsible for segmentation, messaging channels, data warehousing, data exchange, etc. to make this data available throughout Klaviyo to support Klaviyo’s core product capabilities. We store tens of billions of records around a billion reads and writes against those records every day.


This team is a key contributor to the evolution of Klaviyo’s data platform, bridging the gap between foundational platform capabilities and critical customer-facing business logic within Klaviyo’s product suite. 


As an engineer on this team, you will be responsible for designing, building, and maintaining systems to support core product areas in Klaviyo. You will work with a cross functional team to help refine feature specifications, write technical design documents, create system infrastructure, write high quality code, and operate large scale systems in production. You will partner with others on the team to review technical designs and code, and provide technical mentorship to other engineers on the team and in the broader engineering organization.

Team tech stack

We’re looking for a backend-focused engineer. You’ll be working with the following tech stack:

  • Python, Django
  • Aurora MySQL, ProxySQL, Redis
  • Apache Kafka, Pulsar, Spark, Iceberg, and other tech from the big data stack
  • Graphite, statsd
  • AWS, Terraform, Docker, Kubernetes, Buildkite, and other modern DevOps tools
Required skills
  • Must have 4+ years of experience in a software engineering discipline
  • Strong programming skills in at least one modern language
  • Experience building backend, service-oriented applications
  • Experience with queuing and/or streaming systems (e.g., SQS, RabbitMQ, Kafka)
  • Foundational understanding of distributed systems
  • Able to communicate well, both verbally and in writing
  • Able to work with others on a team
  • Able to learn continuously and adapt to a high growth environment
  • Able to stick with and solve difficult problems
  • BA or BS Degree in Computer Science, related field, or equivalent experience

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.

Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location.

In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. 

Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.

Base Pay Range For US Locations:
$120,000$180,000 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.

AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed. 

By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. For more information about how we process your personal data, see our Job Applicant Privacy Notice.

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.
 
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.  You can find our Job Applicant Privacy Notice here and here (FR).
 

Top Skills

Apache Kafka
Aurora Mysql
AWS
Buildkite
Django
Docker
Iceberg
Kubernetes
Proxysql
Pulsar
Python
Redis
Spark
Terraform

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