Senior Software Engineer - Data Platform | Klaviyo Careers

Klaviyo empowers creators to own their destiny by making first-party data accessible and actionable. It runs a real-time data analytics platform, written primarily in Python, that is built for massive scale on Amazon Web Services (AWS). The company welcomes candidates who are a close but not exact match to the requirements.

Join the Data Platform team to design, build, and maintain Klaviyo’s mission-critical data and analytics infrastructure. The team builds tooling and sets best practices and technology choices that power core Klaviyo functionality and data-driven insights. You will work with a cross-functional team and mentor other engineers.

Key Responsibilities

• Design, build, and maintain mission-critical data and analytics infrastructure
• Write technical design documents and create system infrastructure
• Write high-quality code and operate large-scale systems in production
• Review other engineers’ designs and code
• Provide technical mentorship to engineers on the team and across the engineering organization
• Collaborate with cross-functional teams

Requirements

• BA or BS degree in Computer Science, a related field, or equivalent experience
• 7+ years of experience in a software engineering discipline
• High skill in at least one modern programming language
• Experience provisioning infrastructure with Terraform or a similar infrastructure-as-code tool
• Experience designing, building, and operating distributed systems in a cloud environment
• Experience with Linux operating systems
• Experience with OLTP and OLAP databases
• Experience with high-volume data processing and storage systems

Skills

Technical Skills

• AWS, Terraform, Python, Kubernetes
• ClickHouse, DynamoDB, MySQL
• Kafka, Spark, Flink, Iceberg
• Airflow, DataHub
• Distributed systems design and operation

Soft Skills

• Clear verbal and written communication
• Teamwork and mentoring
• Continuous learning and adaptability in a high-growth environment
• Persistence in solving difficult problems

Benefits

• Annual cash bonus plan, equity, and sign-on payments (based on eligibility)
• Comprehensive health, welfare, and wellbeing benefits