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Senior Frontend Engineer - K-Ops Marketing

  • Boston, MA
  • Engineering

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.

Sr. Software Engineer - K-Ops Marketing

Team Overview 

The K-Ops marketing team is tasked with owning the front-end resources for multiple user facing sites including the marketing homepage (, the careers page, Klaviyo help center, developer portal and our international sites. We focus on creating robust and performant front-ends using cutting edge technologies. We leverage server side rendering, a graphQL data layer, and React to build out fast, secure and powerful pages across the Klaviyo landscape.

How you’ll make an impact

You will work with a team of five engineers along with stakeholders from our marketing team to build out a library of components that can be used across our front-end landscape. You will also be responsible for maintaining and optimizing the sites for performance and SEO alongside our performance team. 

K-Ops Engineers are expected to bring to Klaviyo subject matter expertise and demonstrate adaptability by continuing to acquire new skills, level up all those around them, and research and prototype new technologies and solutions to help scale. You’ll contribute to and collaborate with other engineering teams across the organization. 

Who you are

  • You have 5-7+ years of experience in a software engineering discipline
  • You are Passionate about building front-end software effectively and for the long-term. Have experience building websites that matter. Have proven expertise in applying modern design patterns and performant UIs.
  • Like working on small, autonomous teams. Enjoy shipping code early and often in an agile fashion, pairing with stakeholders, and other engineers to craft better and more usable software.
  • Eager to work with both new and existing technologies ranging from the front-end (vanilla JS & React / Gatsby) to backend (PHP and node) and deployments. You show this by having strong and opinionated experience with various technologies and know-how to pick the right tool for any job.
  • Are considerate towards the needs of end users on the site and also our users in marketing who engage with the CMSs daily - building and optimizing with both in mind. 
  • Comfortable working with API layers like GraphQL or more traditional RESTful services
  • Used to working with web analytics and SEO subject matter experts to measure performance.

Technologies we use (non exhaustive)

  • front-end technologies like Typescript, React, PHP, Styled Components, and CSS
  • Modern development platforms like Gatsbyjs, Netlify
  • API Layers using GraphQL
  • CMS platforms including wordpress, zendesk, skilljar, and readme in a headless environment
  • Analytics tools like Google Analytics and

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:
$156,800—$235,200 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 .

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