Klaviyo Careers In Boston
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Lower SMB Segment Marketing Manager

Klaviyo
Greater Boston Area
54 minutes ago
+44
As a Segment Marketing Manager, you’ll be responsible for leading our understanding of and go-to-market approach for lower SMB online brands. This role is equal parts marketing strategist and practitioner -- and 100% customer-centric. The successful candidate will be just as comfortable with win-loss analysis and making recommendations for distribution channels as they are chatting up existing and prospective Klaviyo customers and making copy suggestions for our website. 

Senior Product Designer

Klaviyo
Greater Boston Area
54 minutes ago
+44
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 skills, and – individually – you will own the experience for at least one area/feature of the Klaviyo product.

Group Product Manager

Klaviyo
Greater Boston Area
54 minutes ago
+44
Talking to and working with customers constantlyHiring and managing 2-5 exceptional Product ManagersContribute to strategic prioritization of what we work on, when and whyHelping to curate, set and communicate a roadmapMoving key metrics to advance our mission of helping companies growDefining and executing product development processes that lead to elegant, impactful solutions to meaningful problems

Senior Site Reliability Engineer

Klaviyo
Greater Boston Area
54 minutes ago
+44
Site Reliability Engineering (SRE) is essentially what you get when you treat system operations as if it is a software problem. The mission of the Site Reliability Engineering team is to ensure uninterrupted service for Klaviyo customers and act as force multiplier for Klaviyo product teams to deliver better software faster. Klaviyo is a high growth technology driven company and is passionate about the user experience of its application and the well orchestrated operations of its service infrastructure. The SRE team works on its own initiatives to build foundational backend services but also builds tooling and automation to allow product teams to release and scale their software predictably. SREs are team players and embed themselves within product teams to advance the architecture and performance of software systems and to train their peers in topics such as debugging distributed systems, building self-healing capabilities or eking out every drop of performance possible. As a Site Reliability Engineer you will have ownership of foundational Klaviyo services and a big impact on our product teams. Klaviyo’s infrastructure, event processing, and team have grown 300% year over year so there are always new skills to learn and technical challenges to solve the right way.

Senior Technical Recruiter

Klaviyo
Greater Boston Area
54 minutes ago
+44
We are looking for a Senior Technical Talent Acquisition Professional to join our growing recruiting team. As part of People Operations, you will have the chance to build relationships with some of the most talented people in the Boston tech industry! 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. You’ll gain skills, achieve in ways you hadn’t thought possible all while having fun! Sound good? Read on!

Data Science Software Engineer

Klaviyo
Greater Boston Area
54 minutes ago
+44
Our data science team is analyzing large data sets (we’re collecting billions of individual actions every month) and building products that enable our customers to grow faster and communicate more effectively with their customers. We’re looking for data science software engineers to build production features, models and pipelines.

Machine Learning Engineer

Klaviyo
Greater Boston Area
54 minutes ago
+44
Our data science team is analyzing large data sets (we’re collecting billions of individual actions every month) and building products that enable our customers to grow faster and communicate more effectively with their customers. We’re looking for machine learning engineers to develop machine learning models and pipelines for research and production.

Senior Data Scientist

Klaviyo
Greater Boston Area
54 minutes ago
+44
Klaviyo is looking for data scientists to analyze large data sets (we’re collecting billions of individual actions every month), build models and ship products that enable businesses to grow faster and communicate with their customers. Our background as a team is building these models for the Fortune 50 and we want to democratize and open up that technology to everyone. 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 experience with at least a few modeling and machine learning techniques.

Lead System Software Engineer

Klaviyo
Greater Boston Area
54 minutes ago
+44
Klaviyo is a Boston startup located right in the heart of downtown Boston. We craft software helping thousands of ecommerce 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 last. Klaviyo is looking for Lead System Software Engineer to take the ownership of a product area and lead a team of engineers in building and maintaining the product area.

Senior System Software Engineer

Klaviyo
Greater Boston Area
54 minutes ago
+44
Klaviyo is a Boston startup located right in the heart of downtown Boston. We craft software helping thousands of ecommerce companies to have engaging relationships with hundreds of millions of consumers. We love tackling 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 last.

Data Scientist

Klaviyo
Greater Boston Area
54 minutes ago
+44
Klaviyo is looking for data scientists to analyze large data sets (we’re collecting billions of individual actions every month), build models and ship products that enable businesses to grow faster and communicate with their customers. Our background as a team is building these models for the Fortune 50 and we want to democratize and open up that technology to everyone. 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 experience with at least a few modeling and machine learning techniques.

Senior System Software Engineer

Klaviyo
Greater Boston Area
2 hours ago
+44
Have experience building products that matter and pushing yourself and your team to be better engineers and build a product with passionate advocates. Enjoy working with system software ranging from traditional databases to new data processing frameworks, and are particularly passionate and an expert in multiple stack areas. You show this by having strong and opinionated experience with various technologies and know how to pick the right tool for any job. Love digging into performance and scalability issues to drive breakthrough solutions. Familiar with concurrent programming and have experience building distributed systems. Enjoy shipping code early & often in an agile fashion, pairing with product management to craft better software by soliciting feedback from thousands of end users. Like working on a small, autonomous agile teams. At Klaviyo, you will have ownership of features, but you'll collaborate with everyone to make sure we produce the right solution.

Site Reliability Engineer

Klaviyo
Greater Boston Area
2 hours ago
+44
Ship foundational services to enable Klaviyo engineering to move faster with confidence. Design and develop systems and processes that enable highly available & scalable systems. Achieve break-throughs in systems throughput by identifying and eliminating bottlenecks. Leverage technology such as Python, AWS, Django, Kubernetes, Bash, Terraform, MySQL, Redis, Cassandra, Postgresql to advance Klaviyo’s platform. Champion best practices by actively collaborating with other teams in a culture that values whiteboarding and technical design review. Contribute to the company in multiple areas, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo.. Design, write and deliver software to dramatically improve the availability, scalability, latency, and efficiency of Klaviyo’s services. Participate in periodic on call duties with a focus on solving issues when they are discovered, preventing recurrences and minimizing alert fatigue .

Software Engineer

Klaviyo
Greater Boston Area
2 hours ago
+44
Wholly owning features that thousands of our customers rely on daily to reach 100,000,000+ of consumers to drive their business forward. Working on crafting our highly scalable real-time data pipeline that processes billions of events weekly across data sets growing to petabyte scale. Working on deep analytics system that provides insight into hundreds of terabytes of data. Be responsible for the mission, technical direction and operations of projects that have immediate impact. Helping architect and design robust and high performance data processing and storage systems leveraging new databases to serve different internal and external use cases. Contribute to open source data processing technologies. Contributing to the company as a subject matter expert in multiple areas, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo.

Senior Software Engineer

Klaviyo
Greater Boston Area
2 hours ago
+44
Wholly own features that thousands of our customers rely on daily to reach 100,000,000+ of consumers to drive their business forward. Work on crafting our highly scalable real-time data pipeline that processes billions of events monthly across data sets growing to petabyte scale. Be empowered to own the mission, technical direction and operations of projects that have immediate impact. Advance your technical skills in all facets ranging from front end web development and user experience to machine learning and massively parallelized data pipelines. Contribute to the company as a subject matter expert in multiple areas, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo.

Senior Front End Platform Engineer

Klaviyo
Greater Boston Area
2 hours ago
+44
Design, build, and maintain a robust frontend system. This includes developing the patterns on how we write, ship, and test frontend code. Work with a growing design team (~10) and excited engineers (~50) over the tools this team will build. Leading and mentoring the engineering team at large on frontend best practices.

Senior Site Reliability Engineer

Klaviyo
Greater Boston Area
2 hours ago
+44
Ship foundational services to enable Klaviyo engineering to move faster with confidence. Design and develop systems and processes that enable highly available & scalable systems. Design, build and deliver software to dramatically improve the availability, scalability, latency, and efficiency of Klaviyo’s services. Achieve break-throughs in systems throughput by identifying and eliminating bottlenecks. Leverage technology such as Python, AWS, Django, Kubernetes, Bash, Terraform, MySQL, RabbitMQ, Redis, Cassandra, Postgresql to advance Klaviyo’s platform. Champion best practices by actively collaborating with other teams in a culture that values whiteboarding and technical design review. Contribute to the company as a subject matter expert in multiple areas, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo. Mentor and pair with other Klaviyo engineers to build better software by focusing on performance, self-healing system, configuration as code; defensive programming, application security, etc.

Senior Accountant

Klaviyo
Greater Boston Area
2 hours ago
+44
Klaviyo is looking for a Senior 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 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 and reviewing journal entries and account reconciliations, annual reporting functions, and technical accounting analysis. 

Senior Data Scientist

Klaviyo
Greater Boston Area
2 hours ago
+44
Klaviyo is looking for Senior Data Scientists to join our team which is still in its early days. You’ll have a big impact on our direction and how we operate. You’ll 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 experience with at least a few modeling and machine learning techniques.

Machine Learning Engineer

Klaviyo
Greater Boston Area
2 hours ago
+44
Analyze large data sets (we’re collecting billions of individual actions every month). Build products that enable our customers to grow faster and communicate more effectively with their customers. Develop machine learning models and pipelines for research and production.

Product Expert

Klaviyo
Greater Boston Area
2 hours ago
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.

Data Science Software Engineer

Klaviyo
Greater Boston Area
2 hours ago
Have experience implementing machine learning models, data pipelines and testing frameworks for research and production use. Have demonstrated a measurable impact based on the models you’ve created. It’s not always easy getting a model correct, we love talking about places we got stuck and work as a team to think through ideas that could unblock us. Have experience processing cloud-scale data using parallel, elastic, streaming and similar techniques. Enjoy tuning and validating machine learning models and take a rigorous approach. Understand how to profile code and optimize performance. Aspire to correctness (e.g. in your code, in drawing conclusions from data). Have a bachelor’s or advanced degree in computer science, applied math, statistics or other relevant quantitative discipline, or equivalent industry experience.

Group Product Manager

Klaviyo
Greater Boston Area
2 hours ago
You will spend your time time getting to know the product team and our customers. You'll over-index on learning the product, watching customers use it, using it yourself, and investigating how Klaviyo fits into the stack of tools our customers rely on. You will also build your own ecommerce store, set it up with a Klaviyo account, and turned a profit; by the end of this time, it’s like you’ve been working in our industry for years.

Growth Success Manager

Klaviyo
Greater Boston Area
2 hours ago
The Growth Success Manager will join a team focused on nurturing the growth and retention of Klaviyo’s smallest customers. You thrive on data. Supporting a customer base of thousands of emerging ecommerce brands brands, you’ll identify segments that need support and development, and work with the team to drive adoption and success for those customers. We are looking for CSMs who are passionate about providing the best experience to customers who are scaling their businesses with Klaviyo. This is a great opportunity for someone with a passion for customer success, strong technical skills, and a previous background in ecommerce, email marketing or general strategic marketing solutions. We are very interested in individuals who have a track record of finding creative solutions to unique problems, who thrive in challenging situations and want to apply these skills to solve for customers using our software.

Lead System Software Engineer

Klaviyo
Greater Boston Area
2 hours ago
Wholly owning features that thousands of our customers rely on daily to reach 100,000,000+ of consumers to drive their business forward. Working on crafting our highly scalable real-time data pipeline that processes billions of events weekly across data sets growing to petabyte scale. Working on deep analytics system that provides insight into hundreds of terabytes of data. Be responsible for the mission, technical direction and operations of projects that have immediate impact. Helping architect and design robust and high performance data processing and storage systems leveraging new databases to serve different internal and external use cases. Contribute to open source data processing technologies. Contributing to the company as a subject matter expert in multiple areas, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo.

Product Manager

Klaviyo
Greater Boston Area
2 hours ago
A Product Manager at Klaviyo is passionate about identifying, spec’ing and shipping solutions to solve customer problems.   Our customers are businesses that want to grow. They know there is power in using their data to communicate with their customers in more relevant and targeted ways, but the existing platforms in the market have always been too hard to use or too expensive to take advantage of. Klaviyo customers are passionate, hard-working,