Jobs at Klaviyo

Positions 1,467

Klaviyo is a leading marketing-automation platform that powers e-commerce brands with personalized email and SMS campaigns. Launched in 2012, the Boston-based company now processes billions of messages per month, leveraging a Python-based stack and real-time analytics to drive revenue growth for merchants worldwide.

Klaviyo hires across engineering, product, data science, and customer success, with roles ranging from Senior Software Engineer and Data Engineer to Product Manager and Customer Success Manager. Candidates can expect a culture of rapid iteration, data-driven experimentation, and frequent cross-functional collaboration.

Checking Klaviyo listings on Job Transparency gives you instant access to posted salary ranges, employee satisfaction scores, and interview experience notes—allowing you to benchmark offers, negotiate confidently, and choose a role that aligns with your career goals.

Senior Full Stack Software Engineer

Company: Klaviyo

Location: Boston, MA

Posted Apr 01, 2023

Klaviyo is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses. The company's hybrid customer-data and marketing-platform model allows companies to grow by fostering direct relationships with customers, without giving up their valuable data to popular big-tech ad platforms. Over 265,000 innovative companies like Unilever, Custom Ink, Living Proof and Huckberry sell more with Klaviyo.

Software Engineer

Company: Klaviyo

Location: Boston, MA

Posted Mar 29, 2023

Klaviyo is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses. They offer a hybrid customer-data and marketing-platform model, allowing companies to grow by fostering direct relationships with customers without giving up their valuable data to popular big-tech ad platforms. Over 265,000 innovative companies like Unilever, Custom Ink, Living Proof, and Huckberry sell more with Klaviyo.

Engineering Manager, Data Exchange

Company: Klaviyo

Location: Boston, MA

Posted Apr 01, 2023

Klaviyo is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses. The company's hybrid customer-data and marketing-platform model allows companies to grow by fostering direct relationships with customers, without giving up their valuable data to popular big-tech ad platforms. Over 265,000 innovative companies like Unilever, Custom Ink, Living Proof and Huckberry sell more with Klaviyo.

Lead Security Operations Engineer (Detection & Response)

Company: Klaviyo

Location: Boston, MA

Posted Mar 29, 2023

Klaviyo is looking for a Lead Detection & Response Engineer to add to their rapidly growing security team. The role involves solving complex security problems, incident response, threat detection, security orchestration and automation, and building new tools to take the Detection & Response Program to the next level. The candidate will have the opportunity to provide incident response thought leadership, lead incidents and investigations, perform digital forensics, execute on core detection and response engineering efforts, and innovate on a broad scale within Security Operations.

Senior Executive Assistant (Boston)

Company: Klaviyo

Location: Boston, MA

Posted Mar 29, 2023

The text describes a Senior Executive Assistant role at Klaviyo, a marketing automation platform. The role involves providing business support to executive leadership, overseeing scheduling and calendar management, managing project planning and communication, and supporting executives with travel arrangements and expense reports. The ideal candidate is an experienced administrative professional with a proactive and team-first mindset, strong organizational skills, and excellent communication abilities.

SEO Manager

Company: Klaviyo

Location: Boston, MA

Posted Mar 30, 2023

Klaviyo is seeking a talented SEO Manager to join their growing Performance Marketing team. The role involves developing and implementing strategies to drive growth for the business, monitor site performance, lead the technical SEO roadmap, contribute to content strategies, and ensure a consistent, connected user experience as the company expands globally. The SEO Manager will collaborate with various teams, including Web, Content, Paid, and Marketing Engineering, to execute SEO strategies and improve onsite conversion rates.

Senior Security Operations Engineer (Threat Hunt & Intel)

Company: Klaviyo

Location: Boston, MA

Posted Mar 29, 2023

Klaviyo is seeking a Senior Security Operations Engineer to join their Security and Trust Organization. The role involves tackling complex security challenges, building threat intelligence and threat hunt operations, and providing leadership in threat intelligence, threat hunting, and detection and response across Klaviyo's Corporate and Cloud environments. The ideal candidate should have 5+ years of hands-on security operations experience in modern cloud environments, strong understanding of threat detection & response in cloud environments, expertise in Linux and Mac operating system internal and security investigations, and subject matter expertise in threat intelligence, threat hunt, and log analysis. Klaviyo is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses.

2023 Graduate Inbound BDR (Boston)

Company: Klaviyo

Location: Boston, MA

Posted Apr 01, 2023

Klaviyo is seeking an Inbound BDR to generate meetings for the sales team, qualify and learn about customer needs, and support the success of their peers. The role is based in the Boston area and requires a BA/BS or equivalent, a strong desire to be in technology sales, and excellent communication skills. Klaviyo is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses.

Staff Accountant

Company: Klaviyo

Location: Boston, MA

Posted Mar 31, 2023

Klaviyo is seeking a Staff Accountant to contribute to the Corporate Accounting team. The role involves frequent interaction with various departments and driving corporate accounting functions. The ideal candidate should have advanced Excel capabilities, experience with ERP tools, and the ability to identify and solve errors. They should also be able to continuously improve reporting processes and tools. The company is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses.

Director, Corporate Controller

Company: Klaviyo

Location: Boston, MA

Posted Apr 01, 2023

Klaviyo is an e-Commerce marketing automation platform that offers a robust customer database for targeted segments and personalized outreach. The Corporate Controller role involves building, leading, managing, and scaling the company's core accounting function, including technical accounting, compliance, tax, and financial reporting. The individual will collaborate with various teams and be responsible for the financial close process, accounting policies, and internal controls.

Senior Manager, Website

Company: Klaviyo

Location: Boston, MA

Posted Mar 30, 2023

Klaviyo is seeking a Senior Manager of Web to own the full web experience, shape perceptions of the company, and be a critical component to global growth. The role involves establishing new processes, rigorous testing, and building connected web experiences to decrease time to sale. The candidate should have 12+ years of experience in web management, user acquisition, and demand gen. They must be an expert in web analytics, A/B and multivariate testing tools, content management systems, technical and content SEO, web QA and domain/url management. The role also requires strong prioritization skills, communication, and the ability to manage and mentor a team.

Product Manager - New Verticals

Company: Klaviyo

Location: Boston, MA

Posted Apr 01, 2023

Klaviyo is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses. The company's hybrid customer-data and marketing-platform model allows companies to grow by fostering direct relationships with customers, without giving up their valuable data to popular big-tech ad platforms. Over 265,000 innovative companies like Unilever, Custom Ink, Living Proof and Huckberry sell more with Klaviyo.

Frequently Asked Questions

What is it like to work at Klaviyo?
Klaviyo emphasizes a data-driven culture, with flexible remote work options, quarterly hackathons, and a strong focus on professional growth through internal learning programs and mentorship. Employees regularly collaborate across product, engineering, and data teams to iterate on features that directly impact merchant revenue.
What types of positions are available at Klaviyo?
Klaviyo offers roles in software engineering (frontend, backend, full-stack, data engineering), product management, data science, UX design, customer success, sales engineering, marketing, and operations. The company values cross-functional collaboration and often pairs product and engineering leads on feature development.
How can I stand out as an applicant?
Showcase concrete data-driven outcomes—highlight projects where you increased open rates or reduced churn. Contribute to open-source or publish technical blogs. Tailor your resume to Klaviyo’s tech stack (Python, React, Snowflake) and include metrics that demonstrate impact. During interviews, prepare to discuss A/B testing frameworks and your approach to scaling high-volume messaging.

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