250 - 500 employees
Series B
AdTech
Big Data & Analytics
eCommerce & Marketplaces
Enterprise Software / SaaS
Marketing & Sales Tech

Klaviyo Company Overview

Who we are

We’re a team of people who are crazy motivated by growth. It’s what we help our customers do: grow their businesses faster. It’s how we behave as individuals: we’re all deeply passionate about stretching, learning, and pushing boundaries. It’s how we manage our business: we have thousands of paying customers, we’re profitable, and we’re growing insanely fast.

We do things a little differently

Klaviyo enables modern communication between companies and consumers. We’re committed to pushing the boundaries of what’s technically possible and making it truly accessible to any online business, from entrepreneurs to leading enterprise brands. Our platform processes billions of consumer activities, or data events, every month — and then makes them available in real-time to fuel better targeting, deeper analysis, and more effective marketing.

That means our customers can create incredibly personal email and advertising experiences without wasting their time or money. And it works: we’re proud that our customers grow 29% faster on average after making the switch to Klaviyo. That’s why over 20,000 of the most innovative brands like Brooklinen, Bonobos, Untuckit, and Taylor Stitch power their marketing through Klaviyo.

Jobs at Klaviyo

 
33 Jobs Listed
Clear Filters
Boston
Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech   We love tackling tough engineering problems and look for Engineers who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies and work hard to ensure each day is better than the last.   Lead Engineers are expected to bring to...
Software Engineering/QA
Boston
Why you should join the Security and Trust team The Security Operations team is tasked with building and maintaining a world class Security Operations Center (SOC) for detecting and responding to security events.  We are looking for a Security Operations Engineer who has a passion for systems engineering, system deployment and maintenance,  incident response, and security analysis.  The Security Operations Engineer shall be capable of managing cloud based assets (AWS), developing software to support automation for both system maintenance and security automation, responding...
IT/Systems/Networking
Boston
We are looking for a talented Sales Development leader to join our fast growing Klaviyo Sales organization. The Outbound BDR Manager will be responsible for leading a team of Business Development Representatives to effectively prospect into target accounts and develop pipeline for the direct sales team. This includes hiring, goal setting, performance analysis, and day to day coaching and talent development. This role will be instrumental in developing Klaviyos future sales leaders as well as ensuring sustained business growth from the outbound channel. How you will make a difference:...
Sales & Business Development
Boston
We are looking for a talented Sales Development leader to join our fast growing Klaviyo Sales organization. The Outbound BDR Manager will be responsible for leading a team of Business Development Representatives to effectively prospect into target accounts and develop pipeline for the direct sales team. This includes hiring, goal setting, performance analysis, and day to day coaching and talent development. This role will be instrumental in developing Klaviyos future sales leaders as well as ensuring sustained business growth from the outbound channel. How you will make a difference:...
Sales & Business Development
Boston
Product Experts at Klaviyo are a critical part of our future success. We take the success of our customers incredibly seriously. Our mission is to deliver exceptional assistance to our customers with the highest level of quality in both product knowledge and communication skills, and in the process, consistently meet and exceed customer expectations. We are looking for a Product Expert who is passionate about providing the best support to customers who are scaling their businesses with Klaviyo.   We are very interested in individuals who have a track record of finding creative solutions to...
Customer Success
Boston
Senior Product Managers at Klaviyo have mastered the craft of Product Management. They are highly-skilled practitioners, who have been directly responsible for driving significant business outcomes. At Klaviyo, youll work in the kind of high-growth environment that offers unlimited potential. The potential to be a driving force that achieves even greater business outcomes, and the potential to coach and mentor the next generation of Product Managers. Klaviyos fast growth will ensure that opportunities abound.    Team Openings At any time, we have opportunities for Senior...
Product Management
Boston
Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech   We love tackling tough engineering problems and look for Senior Full Stack Engineers who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies and work hard to ensure each day is better than the last.   Klaviyo operates a real-...
Software Engineering/QA
Boston
Klaviyo is looking for a Staff Accountant who will be a key contributor to the Corporate Accounting team. This position will report to the Accounting Manager and involve frequent interaction and coordination with colleagues in the FP&A, compliance, HR, and other operations teams to ensure appropriate accounting treatment and classification. As a part of the Accounting Team, you will drive corporate accounting functions, including assisting with general ledger accounting and reporting, preparing journal entries and account reconciliations, annual reporting functions, and accounting...
HR, Finance, & Operations
Boston
Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech  We love tackling tough engineering problems and look for Lead Software Engineers who are passionate about architecting, building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies and work hard to ensure each day is better than the last. Klaviyo operates a real-time data platform coded in...
Software Engineering/QA
Boston
Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech   Site Reliability Engineering (SRE) is what you get when you treat system operations as a software engineering problem. The mission of the Site Reliability Engineering team is to ensure uninterrupted service for Klaviyo customers and act as a force multiplier for Klaviyo product teams to deliver better software faster.    The SRE team builds foundational backend services as well as tooling and automation to allow product teams to...
Software Engineering/QA
Boston
Klaviyo is growing by leaps and bounds; as a result, were excited at the opportunity to establish our Frontend Platform Team!   This is a unique opportunity with personal and leadership growth opportunities. You will shape Klaviyos frontend and lay the foundation of how an entire company writes, tests, and deploys frontend code. As the team grows, we expect our first senior hires to continue to lead the team and spearhead efforts.   This is the first hire on a brand new team. We require candidates to have extensive experience with React and experience contributing to/owning component...
Software Engineering/QA
Boston
Klaviyo is looking for a Senior Tax Accountant who will be responsible for supporting the companys global tax function.  This position will report to the Assistant Controller and be part of the Corporate Accounting team.  The Senior Tax Accountant will be primarily responsible for coordinating global tax compliance, planning and reporting.  The Senior Tax Accountant will serve as the point person for compliance and filings with our external tax advisors, on special projects as assigned by the Assistant Controller, and for coordination with colleagues in Legal, HR and other areas of the...
HR, Finance, & Operations
Boston
Klaviyo is a product-driven company, and were passionate about user experience and design.    The Senior Product Designer will join a team and be involved in every aspect of the product conceptualization and development process. Responsibilities range from brainstorming the next great product, prototyping the experience, pairing with engineering and product management during agile development, tweaking pixels right before launch, and working with customers to perform usability testing. You will be expected to utilize your full range of product design, interaction design, and visual design...
UX & Design
Boston
Klaviyo is looking for data scientists to join our team which is still in its early days. Youll have a big impact on our direction and how we operate. Youll be central to upfront research and shipping products that help our customers learn and grow from their data.   The ideal candidate has a background in data science, statistics and machine learning and has done work ranging from exploratory analysis to training and deploying models. We use a wide variety of data mining and machine learning algorithms. The right candidate will have both a solid fundamental understanding and deep practical...
Analytics & Data Science
Boston
We are looking for a Senior Technical Talent Acquisition Professional to join our growing recruiting team. As part of the Talent Acquisition Team, you will have the chance to build relationships with some of the most talented people in the Boston tech industry! You will have a direct impact in contributing to the breakneck growth of Klaviyo, affecting the culture and business tremendously with the hyper-intelligent, driven and empathetic people you bring into the company! You'll own your recruiting numbers, hitting targets and drawing insights from analytics to make our hiring process...
HR, Finance, & Operations
Boston
We are looking for a Talent Acquisition Professional to join our growing recruiting team. As part of the Talent Acquisition team, you will have the chance to build relationships with our Sales and Customer Success leaders. You will have direct impact in contributing to the breakneck growth of Klaviyo, affecting the culture and business tremendously with the hyper-intelligent, driven and empathetic people you bring into the company! You'll own your recruiting numbers, hitting targets and drawing insights from analytics to make our hiring process smarter and more efficient. Youll gain skills,...
HR, Finance, & Operations
Boston
As the first point of contact in the sales cycle, you are on the front-lines. We consider the oBDR role essential to the success of our business as your contribution to the sales and marketing feedback loop significantly influences our go-to-market strategy. We pride ourselves on accountability, effort and working collaboratively to create positive outcomes. We understand that these values are essential to meeting goals and exceeding expectations. How You Will Make A Difference: Identify high potential companies who can benefit from Klaviyos solution Partner closely with...
Sales & Business Development
Boston
Inbound BDR's are a crucial step in the sales cycle at Klaviyo.  In this role, you'll properly qualify and learn about a customer's needs, which is integral to success in a sales role.  We possess a deep understanding of the value of Klaviyo's platform and the positive impact it can have on our prospective customers. We pride ourselves on accountability, effort and working collaboratively to create positive outcomes. We understand that these values are essential to meeting goals and exceeding expectations.   How you'll make a difference: Generate meetings for the sales team...
Sales & Business Development
Boston
Klaviyo is looking for Product Analysts to join our growing Product & Engineering team. Data is core to who we are as a company, and you will play a pivotal role in both collecting the necessary data and deriving insights through analysis. Our team works closely with PMs and engineers to best serve the needs of customers within specific product areas. The ideal candidate is intellectually curious, proactive in seeking solutions to challenging problems, and highly focused on delighting our customers.   Klaviyo is a startup located in the heart of downtown Boston. We build software that...
Product Management
Boston
We have an incredible team at Klaviyo - collaborative, capable, diverse, fun - and we wont settle for less.  Were looking for a passionate and experienced Human Resources Manager, someone to join us on our mission to enable Klaviyos to thrive, to make the company the place where the best-of-the-best come, the place for talented and driven individuals to learn and grow.  At Klaviyo, people (customers, Klaviyos, partners) genuinely come first, and because of that, being a part of People Operations at Klaviyo is very different than at other companies.  We have the support of...
HR, Finance, & Operations
Boston
Klaviyo is a Boston startup located right in the heart of downtown Boston.  We craft software helping thousands of companies to have engaging relationships with hundreds of millions of consumers.  We love taking on tough engineering problems and look for full stack engineers who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies and work hard to ensure each day is better than the...
IT/Systems/Networking
Boston
Klaviyo is looking for Senior Data Scientists to join our team which is still in its early days. Youll have a big impact on our direction and how we operate. Youll be central to upfront research and shipping products that help our customers learn and grow from their data.   The ideal candidate has a background in data science, statistics and machine learning and has done work ranging from exploratory analysis to training and deploying models. We use a wide variety of data mining and machine learning algorithms. The right candidate will have both a solid fundamental understanding and deep...
Analytics & Data Science
Boston
Klaviyo is growing by leaps and bounds; as a result, were excited at the opportunity to establish our Frontend Platform Team!   This is a unique opportunity with personal and leadership growth opportunities. You will shape Klaviyos frontend and lay the foundation of how an entire company writes, tests, and deploys frontend code. As the team grows, we expect our first senior hires to continue to lead the team and spearhead efforts.   This is the first hire on a brand new team. We require candidates to have extensive experience with React and experience contributing to/owning component...
Software Engineering/QA
Boston
Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech   Site Reliability Engineering (SRE) is what you get when you treat system operations as a software engineering problem. The mission of the Site Reliability Engineering team is to ensure uninterrupted service for Klaviyo customers and act as a force multiplier for Klaviyo product teams to deliver better software faster.    The SRE team builds foundational backend services as well as tooling and automation to allow product teams to...
Software Engineering/QA
Boston
Product Managers at Klaviyo are passionate about building products that delight our customers and exceed their expectations. This is why Klaviyo is so successful at ensuring product-market fit, fueling Klaviyos strong growth in the market. Come to Klaviyo and see first-hand what makes building products at Klaviyo so special. You will be challenged to do your best work, and the companys fast growth ensures that opportunities abound.   Your First 90 Days   In your first 30 days, you will get acclimated to Klaviyo and our product: During the first two weeks, you will be...
Product Management
Boston
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 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...
Analytics & Data Science
Boston
The product team at Klaviyo is passionate about identifying, specing, and shipping solutions to solve tough customer problems.   Klaviyo is a startup located in the heart of downtown Boston. We build software that helps tens of thousands of businesses have more relevant and personal relationships with billions of consumers. We are a product driven company and over invest in making beautiful, efficient, and fast workflows that help our customers accomplish what was previously unimaginable. We push each other to move out of our comfort zone, learn new technologies, and work hard to ensure...
Product Management
Boston
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 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...
Analytics & Data Science
Boston
We have an incredible team at Klaviyo - collaborative, capable, diverse, fun - and we wont settle for less.  Were looking for a passionate and experienced Senior Compensation Analyst to join our People Operations team. At Klaviyo, people (customers, Klaviyos, partners) genuinely come first, and because of that, being a part of People Operations at Klaviyo is very different than at other companies.  We have the support of the entire company as we strive to build a pillar company and are dedicated to showing the world you will be great when you put people first and foremost....
HR, Finance, & Operations
Boston
At Klaviyo, were passionate about user experience and design. Now, were looking for a Lead Product Designer who will help our design team make an even bigger impact.  The Lead Product Designer is the teams go-to expert when it comes to the craft and logic of design. Theyre an authority on how to turn ideas into reality, driving clarity and creating high standards across process and execution. Beyond their design skills, theyre also a strong advocate for their work, which helps them influence decisions and drive great design outcomes.  The Lead Product Designer sets a strong example and...
UX & Design
Boston
Salesforce is critical to the overall success of Klaviyo and the Salesforce Developer will play an important role in ensuring the effectiveness of the CRM. You are a creative mind, with attention to detail, who has an interest in building scalable solutions for complex business issues, and are always eager to learn better ways to iterate on those solutions. Our Sales team and other teams that use Salesforce are growing rapidly; you will help to configure our CRM in support of 200+ Users. The person who would best fit this role is highly collaborative, organized, creative  and can thrive in a...
Sales & Business Development
Boston
We have an incredible team at Klaviyo - collaborative, capable, diverse, fun - and we wont settle for less.  Were looking for a passionate and experienced Senior HRIS Analyst to join our People Operations team. At Klaviyo, people (customers, Klaviyos, partners) genuinely come first, and because of that, being a part of People Operations at Klaviyo is very different than at other companies.  We have the support of the entire company as we strive to build a pillar company and are dedicated to showing the world you will be great when you put people first and foremost. This HRIS...
HR, Finance, & Operations
Boston
  Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech   We love tackling tough engineering problems and look for Engineers who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies and work hard to ensure each day is better than the last.   Senior Systems Software Engineers...
Software Engineering/QA

Grow and learn while you help businesses around the world do the same

Our mission is to help businesses grow by owning their brand and their relationships with their customers. Every business we work with has dreams — our job is to build the technology and experiences to achieve them.

Klaviyo Careers


Klaviyo Careers

 

What we value

We start with our customers and work backwards. We want to be experts and set the benchmark in the work and experiences we create. We sweat the details — so our customers don’t have to — and we’re never done learning. We don’t have all the answers and we’re candid and collaborative when we’re solving problems.

We’re planning to hire hundreds of Klaviyos in the coming years — it’s the only way for us to achieve our mission. If you want to chat about a specific role or working at Klaviyo in general, we’re excited to talk.

 


Klaviyo 2020 Inc. Best Workplaces

Klaviyo is one of Inc. Magazine’s Best Places to Work

Klaviyo was ranked as one of Inc. Magazine’s Best Workplaces 2019. Inc. surveyed nearly 140,000 employees and found the companies that prioritize the most human elements of work were leading the way.

Like Klaviyo, Inc.’s best workplaces provide employee recognition, manage performance, and foster diversity and inclusion. At Klaviyo, we also work on challenging and impactful problems, provide ample opportunities to learn, and believe in helping our team to level up—fast.

 


 

225 Franklin Street, 10th Floor
Boston, MA 02111

Blog

July 15, 2020
Black Friday and Cyber Monday (BFCM) are the biggest days in the ecommerce space. As a consumer, this means browsing the internet and scrolling through an endless stream of emails looking for those sweet deals.On the flip side, this weekend is arguably the most important one for online stores and retailers. Over $80b is spent by Americans alone, and these businesses need to be on top of their marketing to make the most of this. Therefore, they rely on SaaS platforms like Klaviyo to run like wel...
March 30, 2020
Every Tuesday, Klaviyo’s VCR working group assembles in our office kitchen to watch “the finest cinema on the finest video format.” Our showings have been uninterrupted since we started last January: the only Tuesday we didn’t show a movie was Christmas Eve. We’ve watched a range of classics, including Con Air, The Core, Blade, The Fugitive, and Battlefield Earth.A few weeks ago, Klaviyo transitioned to work from home for all offices in response to COVID-19. As Klaviyo’s longest runn...
February 12, 2020
Klaviyo’s data storage and processing needs are vast and have rapidly increased over time. Our external end-users and internal service consumers do not care about our data size, however, and still need rapid responses to their queries. To keep our systems running smoothly, we occasionally have to employ various unconventional optimization techniques. The specific techniques mentioned in this article are ways of taking what are normally linear or even more complex operations and making them con...
October 4, 2019
A few weeks ago I was looking for a tank of camping propane. I dug through all sorts of fun stuff in my garage and came across this……my linear algebra textbook from college. Matrices seem more exciting now than they did freshman year. I worked through the first few problems and put the book next to my bed, but the only thing that happened is I felt guilty about not picking it up again.The guilt got to me this past weekend. I realized I just wasn’t going to get far working through dense p...
October 1, 2019
Everyone moves on. It’s how you and I both got to where we work right this minute. Even though it’s exciting to jump into a new gig, we leave behind friends, routines, lunch spots, things that are important to us, things that will be missed. Everyone moves on, but we’ll come back to that. Right now though, I want to talk to you about the Finger Game and the role it has played in building and maintaining an engineering team.Drinking culture at startups can be controversial, but done respons...