Klaviyo
Senior Software Engineer – Editors
Job Description
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 careers.klaviyo.com to see how we empower creators to own their own destiny.
The Editors team is the owner of Klaviyo’s browser based email template editor. This team focuses on building intuitive and powerful interfaces to create highly customizable and dynamic content ranging from product feeds, real time event data, and more. This product area is core to Klaviyo’s continued success.
As a Senior Software Engineer on the team, you’ll play a key role in designing and building scalable systems that power our editor experiences across mobile channels. Partnering closely with product managers and technical product owners, you’ll help define scope, translate ideas into practical implementations, and build intuitive editing tools that delight our users. This role leans frontend, with a strong focus on crafting thoughtful, reusable components and seamless user experiences using technologies like TypeScript, React, Python, and Django. There are ample opportunities for growth given the scope of this role and the team’s central role in Klaviyo’s product.
Over the past year, our team has enhanced the email editor with impactful features that our customers love—and they’re eager to see that same power brought to other mobile experiences. Looking ahead, we’ll be investing in new editor blocks, a personalization builder, in-canvas editing, and content generation powered by AI. You’ll contribute directly to these efforts, helping Klaviyo extend its best-in-class editing tools across platforms.
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 with Product, Design, and Data Science to provide the best experience for our customers.
Who You Are:
- 5+ years of full stack – frontend leaning – software engineering experience
- Strong hands-on React and Redux skills
- Skills with Python and Django or similar technologies
- Strong desire to learn and not afraid of a challenge
- Excited to be collaborative and share any knowledge learned with teammates
- Ownership of requirements, edge cases, and testing
- Able to work out of our Boston, MA office 3x/week
Technologies We Use (not exhaustive):
- React, TypeScript, Redux
- Python, Django
- MySQL, RabbitMQ, Redis, ProxySQL
- Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, and other DevOps tools
Massachusetts Applicants:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location.
In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. Please visit Klaviyo Rewards to find out more about our Total Rewards package.
Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.
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.
