Lead Software Engineer, Sending Platform

Lead Software Engineer, Sending Platform 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. Why You Should Join the Sending Platform Team As part of the Sending Platform Team, you'll have a direct impact on all of Klaviyo’s marketing engagement channels, shaping the way hundreds of thousands of global e-commerce businesses connect with their audiences. Our team is at the forefront of building and operating highly-scalable, highly-available distributed systems that handle the ever-increasing volume of traffic across a variety of channels. Every day, our systems power the scheduling and processing of tens of thousands of campaigns, delivering over 1 billion messages. We empower our customers to target diverse audiences effectively, all while ensuring compliance with industry standards and best practices. If you're passionate about working on large-scale, complex systems that make a difference, this is the place for you. How You Will Make a Difference Own and build features/services that hundreds of thousands of Klaviyo customers rely on daily to drive their business forward. Work on crafting our highly-scalable, highly-available sending pipeline that processes and delivers 1B+ messages daily. Collaborate radically with teams and stakeholders across Klaviyo on designs, implementations, and engineering practices. Learn new technologies, bring them to the team and apply them to evolve our systems to the next level. Help us improve our experimentation and development processes, and mentor other engineers on the team. Participate in the technical interview process to help maintain a high bar for our growing teams. Contribute to the company as a subject matter expert, constantly pushing yourself to be a better engineer and to level up all of your peers within your team and within Klaviyo. Who You Are Have 8+ years of experience in a software engineering discipline and have architected, built and delivered at least one complex system. Have profound experience/understanding on large-scale system architecture, technologies and patterns. Have deep insights of their pros/cons and use scenarios, able to apply them to system design by making appropriate tradeoffs to meet the business needs best. Love digging into performance and scalability issues to drive breakthrough solutions-- whether it's a performance degradation or too many clicks in a workflow, a database query timing out, or a queue that just won’t drain. You recognize all problems can be solved. Passionate about growing and improving a product daily using a data driven mindset, familiar with system monitoring and alerting techniques. Proven experience with being a coach and a mentor for team members and helping them grow. Like working on small, high-performing autonomous agile teams. At Klaviyo, you will have ownership of features, but you'll collaborate radically with everyone to make sure we produce the right solution. Based in Boston and willing to meet with the team in the office regularly. Bachelors degree in Computer Science or equivalent experience. Technologies we use (not exhaustive): The pay range for this role is listed below. Sales roles are also eligible for variable compensation and hourly non-exempt roles are eligible for overtime in accordance with applicable law. This role is eligible for benefits, including: medical, dental and vision coverage, health savings accounts, flexible spending accounts, 401(k), flexible paid time off and company-paid holidays and a culture of learning that includes a learning allowance and access to a professional coaching service for all employees. Base Pay Range For US Locations: $188,000 — $282,000 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. 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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