Job Post

Machine Learning Engineer

Klaviyo
225 Franklin Street, 10th Floor
Boston, MA 02111

We love programming and the excitement that comes with building something people use. We are the kind of people that love talking to users and can find the balance between solving a problem quickly and thinking about how your code will work in the future. We love to move fast, keep learning and get stuff done.


Our data science team is analyzing large data sets (were collecting billions of individual actions every month) and building products that enable our customers to grow faster and communicate more effectively with their customers. Were looking for machine learning engineers to develop machine learning models and pipelines for research and production.


Our data science team is still in its early days and youll have a big impact on our direction and how we operate. Youll be central to researching, developing and shipping products that help our customers learn and grow from their data. For this role, were looking for people who have developed split brains--software engineers who have become great at writing machine learning code or data scientists who have become great software developers.

You:

  • Have experience implementing machine learning models, data pipelines and testing frameworks for research and production use.
  • Have demonstrated a measurable impact based on the models youve created. Its not always easy getting a model correct, we love talking about places we got stuck and work as a team to think through ideas that could unblock us.
  • Have experience processing cloud-scale data using parallel, elastic, streaming and similar techniques.
  • Enjoy tuning and validating machine learning models and take a rigorous approach.
  • Understand how to profile code and optimize performance.
  • Aspire to correctness (e.g. in your code, in drawing conclusions from data)
  • Have a bachelors or advanced degree in computer science, applied math, statistics or other relevant quantitative discipline, or equivalent industry experience.

Technologies we use (not comprehensive!):

  • Python
  • Numpy, Scipy, Pandas
  • Aurora, Cassandra, Kafka
  • HTML, JavaScript, React
  • SageMaker


About Us


Klaviyo is a team of people who are crazy motivated by growth.


Its what we help our customers do: grow their businesses by making it possible and easy for them to use their data to power better marketing.


Its how we behave as individuals: were all deeply passionate about learning.


Its how we manage our business: we have thousands of paying customers, were profitable, and were growing insanely fast.


And its what our culture is all about. Working at Klaviyo means youll work on things you never imagined you would; youll grow in ways you didnt consider possible; and youll do the best work of your career with people who are just as motivated and talented as you are.


If this sounds like your ideal place to work, drop us a note!

Category: Data Science / Machine Learning
Full-time

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