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.

Design and develop systems and processes that enable highly available and scalable systems. Design, build, and deliver software to dramatically improve the availability, scalability, latency, and efficiency of services. Achieve breakthroughs in systems throughput by identifying and eliminating bottlenecks. Champion best practices by actively collaborating with other teams in a culture that values technical design review. Collaborate with other Engineers to build better software by focusing on performance, self-healing systems, configuration as code, defensive programming, and application security. Participate in periodic on-call duties with a focus on resolving issues quickly once discovered, preventing recurrences, and minimizing alert fatigue. Work closely with product-facing Engineers to ship impactful code. Perform quantitative analysis to understand and scale systems and manage the cross-functional efforts to resolve scalability issues. Produce and advocate for preventative, upstream solutions with internal stakeholders and external vendors and dependencies. Support informed, data-driven decision-making in a fast-paced environment with competing priorities. Promote Site Reliability best practices across the Engineering organization. Telecommuting permitted 2 days per week. Multiple positions. Full-time. EEO/fully supports affirmative action practices. To apply, visit https://careers.klaviyo.com/en/ & search Job Title.

Minimum Requirements (education and years of experience): Master’s degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, or a related field and 24 months of experience in an engineering occupation.

Requires 24 months of experience in each of the following:
Designing and developing features for the Continuous Integration / Continuous Deployment (CI/CD) pipeline to enhance deployment strategies and developer productivity;
Python, Java, and Groovy;
Docker or Kubernetes;
EmberJS, New Relic, and SumoLogic;
AWS services including AWS Step Functions and AWS EC2;
Troubleshooting deployment failures and supporting systems during AWS outages;
Managing database migrations for multiple services and ensuring compliance with data security standards;
Maintaining CI/CD pipelines for microservices and optimizing deployment efficiency; and
Networking concepts.

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.

Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.

Base Pay Range For US Locations:

$138,237—$150,000 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.

AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed.

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 (@klaviyo.com), instant messaging platforms, or unsolicited calls. You can find our Job Applicant Privacy Notice here.

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