Klaviyo

Software Engineer II - Growth

Klaviyo$116K — $174K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of full-stack software engineering experience with a focus on user-facing features
  • Experience building APIs and infrastructure to support product features
  • Data-driven mindset with a passion for product growth and user experience improvement
  • Familiarity with A/B Testing methodologies to measure impact on user acquisition
  • Experience with AI-driven software delivery or willingness to learn
  • Ability to thrive in a fast-paced, entrepreneurial environment
  • Strong collaboration skills with cross-functional teams

Responsibilities

  • Implement user-experience improvements for new customers within the Klaviyo product
  • Design and execute A/B tests and interpret results for iterative product enhancements
  • Collaborate with marketing, data science, sales, and engineering teams to find improvement areas
  • Engage directly with customers to gather feedback on their experience
  • Enhance experimentation and development processes and mentor team members
  • Define goals and ensure correct implementation of AI-related features with a focus on security and performance
  • Work from Klaviyo's Boston HQ at least three days per week

Benefits

  • Comprehensive health, welfare, and wellbeing benefits
  • Participation in the company's annual cash bonus plan
  • Potential to receive equity as part of total compensation
  • Support for professional development and ongoing training
  • Flexible working arrangements with a collaborative office environment
Full Job Description
The Product Expansion / Activation team at Klaviyo is focused on improving the early experience of Klaviyo for new customers. We work diligently to improve the rate at which customers are successfully setting up their Klaviyo account and gaining value from the platform. Engineers on the team use data to discover opportunities for improvement, implement A/B tests to validate ideas, and work across the product to iteratively improve UX and reduce friction for new customers. We are looking for great generalist software engineers with a passion for the experience-layer that have an interest in or experience with growing a user-base and building a great customer onboarding pipeline and experience.

How You Will Make a Difference
  • In this role, you will implement user-experience improvements across the Klaviyo product, especially in areas that affect new customers.
  • You will design and implement A/B tests to validate ideas, and interpret the results of these tests to inform iterative improvements to the product.
  • You will collaborate with marketing, data-science, sales, and engineering teams to discover areas for improvement, as well as engaging with customers directly to learn more about how we can better serve their needs.
  • You will help us improve our experimentation and development processes, and mentor other engineers on the team.
  • You will clearly define the goal, constraints, and context for AI agents, while remaining responsible for the correctness of the implementation, with a focus on security, performance, and maintainability.
  • Working from our Boston HQ at least three days a week.

Who You Are
  • Have a background in full stack software engineering with experience building and improving products with an emphasis on user-facing features, along with the APIs and infrastructure to support them.
  • Passionate about growing and improving a product on a daily basis using a data driven mindset.
  • Experienced with A/B Testing products with metric based goals to improve user experience and customer acquisition and success (nice to have)
  • Demonstrated ability and success in using AI-driven software delivery practices and methods and/or a willingness and excitement to learn.
  • Thrives in an entrepreneurial type environment that is fast paced, customer focused, and strategic.

Technologies we use (not exhaustive):
  • HTML, TypeScript, JavaScript, React
  • Python, Django
  • MySQL, Cassandra, RabbitMQ, Redis
  • Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, Ansible, Packer, and other DevOps tools


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:

$116,000-$174,000 USD

This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in advance.

About Klaviyo

Klaviyo is a cloud-based marketing automation platform that helps eCommerce businesses create personalized experiences across email, social media, and other channels. The platform offers a range of features, including email marketing, SMS marketing, list segmentation, A/B testing, and more. Klaviyo's mission is to help businesses grow by providing them with the tools they need to build strong relationships with their customers.
Learn more about Klaviyo
Size
500 employees
Industry
Founded
2012

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