Senior AI Engineer
KlaviyoBoston, Massachusetts, United States
Posted October 21, 2025
110000 - 110000 GBP year
Full Time
About the Company
Klaviyo is a CRM platform specialized for B2C brands, offering integrated marketing automation, analytics, and customer service. Its built-in data platform and AI insights enable businesses to deliver personalized 1:1 experiences at scale, enhancing efficiency and driving revenue. Distinctive in its unified solution, Klaviyo serves over 167,000 brands including Mattel and Glossier.
Job Description
Klaviyo is a leading provider of customer data and AI solutions. They empower creators to own their data and build AI agents to automate marketing and customer experiences. The role focuses on backend systems and distributed architectures, with opportunities to influence product design and build scalable AI solutions. They are experiencing rapid growth and a critical need for talented AI engineers.
Requirements
- 5–7 years of professional experience in software engineering
- Hands-on experience building and deploying generative AI applications
- Strong backend engineer experience in service of AI agent capabilities
- Proficiency in Python and modern backend frameworks (FastAPI, Django preferred)
- Experience creating human and automated evaluations
- Proficient in big data tools such as Apache Spark and Hadoop
- Deep understanding of database technologies and ORMs (SQLAlchemy, Alembic)
- Cloud-native architectures (AWS) and container orchestration (Kubernetes)
- Skilled at designing and building robust APIs
- High degree of autonomy and ability to handle ambiguity
Benefits
- Comprehensive range of health, welfare, and wellbeing benefits
- Participation in the company’s annual cash bonus plan
- Equity
- Sign-on payments
- Company’s annual cash bonus plan
- Variable compensation
- Comprehensive range of health, welfare, and wellbeing benefits
