Klaviyo is looking to build state-of-the-art AI and machine learning technologies to power their products and develop AI agents that can automatically create and execute marketing or customer experiences, strategies, and campaigns for any business.
Requirements
- 5–7 years of professional experience in software engineering, with a strong focus on backend systems and distributed architectures.
- Hands-on experience building and deploying generative AI and agentic AI applications into production, with expertise in prompt engineering, few-shot learning, fine tuning and evaluation.
- Proficient in Python and modern backend frameworks (FastAPI, Django preferred).
- Experience creating human and automated evals to ensure high AI model quality.
- Proficient in big data tools such as Apache Spark and Hadoop.
- Deep experience with asynchronous processing and distributed task queues (Celery, Kafka, SQS, RabbitMQ, Redis).
- Strong understanding of database technologies and ORMs (SQLAlchemy, Alembic).
Responsibilities
- Design and build backend systems that support scaling our AI solutions for 167K+ customers.
- Develop robust, reliable and scalable data collection and processing pipelines for machine learning models to train and consume.
- Develop robust, reliable and scalable services to serve AI models in production environments.
- Contribute to evolving our agentic architecture — making our AI agents more self-sufficient and performant.
- Contribute to a culture of ownership, experimentation, and customer-centric product thinking.
- Design and build robust APIs.
- Operate with a high degree of autonomy, handle ambiguity, and thrive in a fast-moving, startup-like environment.
Other
- 5–7 years of professional experience
- Driven by curiosity. You're someone who learns and stays up to date with this rapidly evolving field.
- Able to operate with a high degree of autonomy, handle ambiguity, and thrive in a fast-moving, startup-like environment.
- Comfortable collaborating directly with product managers and customers to shape solutions.
- Klaviyo is committed to a policy of equal opportunity and non-discrimination.
