Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech.
We love tackling tough engineering problems and look for Engineers who are passionate about building, owning, and scaling features while 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 operates a real-time data platform written in Python and built for massive scale on Amazon Web Services (AWS). Engineers come to Klaviyo with experience in a variety of languages and from a number of disciplines.
Team OverviewThe Groups Team is responsible for the segmentation and audience creation functionality in Klaviyo. We process and store all of our customer's data about their customers (profiles) and allow them to group those profiles into audiences with our powerful segmentation engine. They can then send messages to those audiences or use them as a basis for reporting and analytics. We process billions of segment updates in real-time every day.
ResponsibilitiesAs an engineer on this team, you will be responsible for designing, building, and maintaining systems to support core product areas in Klaviyo. You will work with a cross-functional team to help refine feature specifications, write technical design documents, create system infrastructure, write high-quality code, and operate large-scale systems in production. You will also review other engineers' designs and code, and provide technical mentorship to other engineers on the team and in the broader engineering organization.
Team Tech StackPythonDjangoMySQLProxySQLClickHouseKafkaZooKeeperRedisRequired SkillsHighly skilled in using at least one modern programming languageBachelor's degree in Computer Science or equivalent experience8+ years of experience in a software engineering disciplineSignificant experience with full stack application developmentAble to communicate wellAble to work with others on a teamAble to learn continuously and adapt to a high growth environmentAble to stick with and solve difficult problemsPreferred SkillsExperience with distributed systemsExperience performance tuning and scaling systemsExperience with OLTP and OLAP databasesSchema designNormalization / denormalization trade-offsPerformanceOperationsExperience with high volume data processing and storage systemsExperience using Linux operating systems
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