<div><p><em>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 <a href="https://careers.klaviyo.com/en/" target="_blank">careers.klaviyo.com</a> to see how we empower creators to own their own destiny.</em></p></div><h3><strong>Why You Should Join the Billing Team:</strong></h3> <p>The Billing team at Klaviyo is at the heart of how we deliver value to our customers and drive revenue for the business. We’re responsible for everything from pricing and payments to product entitlements. Our systems ensure customers are billed accurately and have access to the features they’ve selected. As Klaviyo expands globally and launches new product offerings, our team plays a pivotal role in enabling speed, flexibility, and scale across the company.</p> <p>As an Lead Software Engineer on this team, you’ll lead a group of engineers focused on building internal platforms that empower teams across Klaviyo to self-serve product packaging, entitlements, and billing logic. You’ll oversee work to build a pricing and packaging platform, and to build scalable infrastructure that supports international growth. This is a hands-on leadership role where you’ll contribute to code, design, and strategy. Your work will directly enable faster product launches, better customer experiences, and improved business outcomes.</p> <h3><strong>How You Will Make a Difference:</strong></h3> <ul> <li>Lead a team of engineers building a new internal pricing and billing platform</li> <li>Own Klaviyo’s 3rd party payment and billing integrations and expand payment capabilities</li> <li>Build scalable systems to support international markets and payment flexibility</li> <li>Contribute directly to architecture and code, driving best practices and quality</li> <li>Collaborate with cross-functional teams to unlock product revenue opportunities</li> <li>Grow and mentor engineers while helping shape the future of billing at Klaviyo</li> <li>Transform workflows by putting AI at the center, building smarter systems and ways of working from the ground up.</li> </ul> <h3><strong>Who You Are:</strong></h3> <ul> <li>8+ years of engineering experience with strong backend skills (Python or similar)</li> <li>Comfortable coding and reviewing complex systems — this is a hands-on role</li> <li>Experience with fullstack development (React familiarity is a plus)</li> <li>Proven experience with third-party APIs, especially Stripe or payment systems</li> <li>Skilled in system design and scaling infrastructure using AWS</li> <li>Experience building developer platforms or internal tooling is a strong plus</li> <li>Clear communicator and collaborative team player</li> <li>You’ve already experimented with AI in work or personal projects, and you’re excited to dive in and learn fast. You’re hungry to responsibly explore new AI tools and workflows, finding ways to make your work smarter and more efficient.</li> </ul> <h3><strong>Technologies We Use:</strong></h3> <ul> <li>Python, Django</li> <li>React, TypeScript</li> <li>Stripe API, RESTful integrations</li> <li>AWS, Terraform, Redis, MySQL<br /><br /></li> </ul> <h3><strong>Location:</strong></h3> <p>This is a <strong>hybrid role based in Boston</strong>, with <strong>3 days in office</strong> and <strong>2 days remote</strong> per week.</p> <p> </p> <p>We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC, certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using <a href="https://getcovey.com/product/covey-scout-inbound">Covey Scout for Inbound</a> on April 3, 2025.</p> <p>Please see the independent bias audit report covering our use of Covey <a href="https://getcovey.com/nyc-local-law-144">here</a></p><div><div><div><p><strong>Massachusetts Applicants:<br /></strong>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.</p> <hr /> <p>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.</p> <p>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. </p> <p>Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.</p></div><div>Base Pay Range For US Locations:</div><div><span>$188,000</span><span>—</span><span>$282,000 USD</span></div></div></div><div><p><strong>Get to Know Klaviyo</strong></p> <p>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.</p> <p><em>AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed. </em></p> <p><em>By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our <a href="https://www.klaviyo.com/careers/ai-guidance" target="_blank">Guidelines for using AI in the Klaviyo interview Process</a>. For more information about how we process your personal data, see our <a href="https://www.klaviyo.com/legal/job-applicant-privacy-notice" target="_blank">Job Applicant Privacy Notice</a>.<br /></em></p> <p><em>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.</em></p> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div> <div><em>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.</em></div> <div> </div> <div><strong>By clicking Submit Application you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice.  If you do not wish for Klaviyo to process your Personal Data, please do not submit an application.<em>  </em></strong><em>You can find our Job Applicant Privacy Notice </em><em><a href="https://www.klaviyo.com/legal/job-applicant-privacy-notice" target="_blank">here</a></em><em> and <a href="https://www.klaviyo.com/fr/legal/job-applicant-privacy-notice">here</a> (FR).</em></div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div> <div> <div> <div> <div> <div> </div> </div> </div> </div> </div> </div></div>

Klaviyo

Lead Software Engineer - Billing

Klaviyo

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