Klaviyo

Klaviyo

Klaviyo offers intelligent email marketing, SMS, and automation services for ecommerce businesses, empowering brands to personalize customer interactions and drive growth.

IT Services
1K-5K
Founded 2012

Description

  • Design and build production-grade LLM-powered applications for internal automation, knowledge retrieval, and workflow assistance.
  • Build and maintain scalable API integrations between AI models and internal systems such as HRIS, ticketing, CRM, and knowledge bases.
  • Develop full-stack AI features end-to-end, including backend orchestration, APIs, and frontend interfaces.
  • Architect and manage CI/CD pipelines for AI systems, including automated deployment, evaluation, A/B testing, and safe rollout processes.
  • Implement retrieval-augmented generation and retrieval systems grounded in internal knowledge.
  • Lead benchmarking, evaluation, and fine-tuning of foundation models for Klaviyo use cases.
  • Define engineering best practices, including coding standards, testing frameworks, and architectural patterns for AI development.
  • Build observability and monitoring tools for latency, output quality, hallucinations, cost, and production alerts.
  • Collaborate with product managers, data scientists, and ML engineers to translate requirements into technical implementations.
  • Drive security, privacy, and compliance practices for AI integrations and sensitive data handling.

Requirements

  • 3+ years of software engineering experience, with at least 2 years building AI, ML, or LLM-powered systems in production.
  • Deep expertise with large language models such as OpenAI, Anthropic, Mistral, or Llama, including API-based production integration.
  • Strong full-stack engineering skills in Python (FastAPI, Flask, or Django) and TypeScript or JavaScript.
  • Experience building CI/CD pipelines with tools such as GitHub Actions, Jenkins, or CircleCI.
  • Experience with RAG systems, vector databases such as Pinecone, Weaviate, or pgvector, and embedding models.
  • Proficiency with cloud platforms such as AWS, GCP, or Azure.
  • Experience with containerization tools such as Docker and Kubernetes.
  • Experience with infrastructure-as-code tools such as Terraform or Pulumi.
  • Experience with prompt engineering, model evaluation frameworks, and LLM observability tools such as LangSmith or Weights and Biases.
  • Ability to travel up to 10% for onboarding, team meetings, client or partner work, or industry events.

Benefits

  • Base salary range of $112,000 to $168,000 USD.
  • Eligibility for the company’s annual cash bonus plan.
  • Possible equity compensation.
  • Possible sign-on payments.
  • Comprehensive health, welfare, and wellbeing benefits, based on eligibility.
  • Flexible work-related travel coordinated in advance, up to 10% when required.
  • Accommodations provided as needed for AI fluency and responsible AI use.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

Senior Google Engineer

iT1 51-250 Internet Software & Services

iT1 is hiring a Senior Google Engineer to deliver complex Google Workspace and Gemini Enterprise deployments for enterprise clients across industries, with a focus on administration, AI workflows, security, and data governance.

Machine Learning
2 hours, 22 minutes ago

[Job 29486] Developer Master, AI Engineer (backend Java + Mobile Android+iOS)

CI&T 5K-10K Internet Software & Services

CI&T is hiring a Developer Master / AI Engineer to lead the redesign of a SuperApp, modernizing Android, iOS, and Java backend platforms while driving AI-assisted development and technical delivery for scalable production applications.

Android AWS iOS Java Kotlin Swift SwiftUI UIKit
6 hours, 29 minutes ago

Senior Software Engineer II AI-Native, Circle Expansion

Life360 251-1K Family Services

Life360 is hiring an AI-Native Engineer to help the Circle Expansion team build and ship consumer products that keep families, aging parents, and connected communities safe and coordinated.

Android AWS iOS Java Kubernetes LLM Mobile Development
10 hours, 34 minutes ago

Senior AI Engineer with Java

Mindera 1K-5K Internet Software & Services

Mindera is hiring a Senior AI Engineer to design and deliver enterprise AI capabilities within scalable backend and mobile application systems.

Agile Azure Java Microservices REST API Spring Boot
12 hours, 20 minutes ago

You're on a roll! Sign up now to keep applying.

Sign Up

Already have an account? Log in

Used by 14,729+ remote workers