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Senior Software Engineer, Editors



Software Engineering
Boston, MA, USA
Posted on Friday, May 17, 2024

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 to see how we empower creators to own their own destiny.

Why You Should Join the Editors Team

The Editors Team at Klaviyo plays a crucial role in overseeing all aspects related to Klaviyo's editors and templates. Our definition of "editors" encompasses the in-product tools that empower customers to craft their emails, SMS, and push messages. As one of Klaviyo's most widely utilized features, our projects are consistently dynamic and impactful, reaching a large user base. Our current emphasis is on enhancing the user experience by ensuring the editor is user-friendly and straightforward. Our objectives include incorporating advanced personalization features, integrating artificial intelligence, and transitioning our editors towards a seamless "in line editing" model. Join us in shaping the future of Klaviyo's editing capabilities and influencing the way users engage with our platform!

How You Will Make a Difference:

  • You will be a core member of the Editors team, working on impactful customer facing features that will make our product the best in the industry
  • You will work on creating easy-to-use editors that are highly performant.
  • You will work closely Product, Design, and Data Science to provide the best experience for our customers
  • Upcoming editors team projects include:
    • Email Editor Inlining: Moving email editing from settings panels to editing “inline” on our email visualizer.
    • Editor standardization: Aligning the SMS, Push, and Email editors to look similar.
    • Email APIs: Creating an api to allow users to create, update, delete drag and drop blocks & templates.
    • Personalization: Updating the editors to use variables & message specific logic tailored to users.

Who You Are:

  • Strong React and Python knowledge (our projects will be about 60% front end, 40% backend)
  • High levels of ownership on requirements, edge cases, and testing
  • Strong desire to learn and not afraid of a challenge
  • Excited to be collaborative and share any knowledge learned with teammates
  • Able to communicate well with teammates

Technologies we use (not exhaustive):

  • React, TypeScript, Redux
  • Python, Django, Celery
  • MySQL, Cassandra, RabbitMQ, Redis
  • Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, Ansible, Packer, and other DevOps tools

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.

Base Pay Range For US Locations:
$123,200$184,800 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 (, instant messaging platforms, or unsolicited calls.

You can find our Job Applicant Privacy Notice here.