Klaviyo · 17 hours ago
Senior AI Engineer
United States
Full-time
Remote
Senior Level
$152K/yr - $228K/yr
5+ years expKlaviyo is a company that empowers creators to own their own destiny by making first-party data accessible and actionable. As a Senior AI Engineer, you will play a key role in designing and building scalable backend systems and user experiences that power AI products and solutions.
AdvertisingAnalyticsE-CommerceMarketing AutomationSoftware
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
Qualification
Required
5+ Have 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
Experienced backend engineer with a strong track record of building scalable, distributed systems, especially in the service of AI agent capabilities
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)
Comfortable with cloud-native architectures (AWS) and container orchestration (Kubernetes); can manage infrastructure and CI/CD pipelines
Skilled at designing and building robust APIs
Able to operate with a high degree of autonomy, handle ambiguity, and thrive in a fast-moving, startup-like environment
Driven by curiosity. You're someone who learns and stays up to date with this rapidly evolving field
Comfortable collaborating directly with product managers and customers to shape solutions
Preferred
Trained ML models in the past and deployed them in production systems to generate impact to businesses
Experience in reinforcement learning
Contributions to open-source AI frameworks
Benefits
Participation in the company’s annual cash bonus plan
Variable compensation (OTE) for sales and customer success roles
Equity
Sign-on payments
A comprehensive range of health, welfare, and wellbeing benefits based on eligibility
Company
Klaviyo
Klaviyo is an automation and email platform designed to help grow businesses.
1001-5000 employees
H1B Sponsorship
Klaviyo has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (47)
2024 (29)
2023 (24)
2022 (27)
2021 (21)
2020 (8)
Funding
Current Stage
Public CompanyTotal Funding
$1.35BKey Investors
ShopifySands Capital VenturesAccel
2025-08-13Post Ipo Secondary· $195.06M
2025-05-14Post Ipo Secondary· $372.95M
2023-09-20IPO
Leadership Team
Andrew Bialecki
CEO
Ed Hallen
Co-Founder, Chief Strategy Officer, Board Member
Recent News
Investing.com
2026-01-03
2025-12-17
2025-12-16
Company data provided by crunchbase