Klaviyo
Software Engineer, Conversational Products & Agent Workflows
$116K–$174K
Boston, MA +1 · Full-time · Posted Oct 22, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States - Experience
- 3+ years of professional software engineering experience.
About the job
Build backend systems and AI-powered conversational agent experiences that retrieve context, use tools, and take reliable actions for customers.
What you'll do
- Build reliable backend systems, APIs, and asynchronous workflows for AI-driven customer experiences.
- Develop agent features and applied AI capabilities, including retrieval, RAG, evaluation, orchestration, and multi-step workflows.
- Improve production reliability, participate in on-call, and use customer feedback and system metrics to guide product improvements.
What they ask for
- 3+ years of professional software engineering experience, including backend systems or distributed applications.
- Hands-on experience building or contributing to generative AI or agentic AI applications.
- Proficiency in Python and experience with a modern backend framework such as FastAPI or Django.
- Experience with asynchronous processing or distributed task/event systems such as Celery, Kafka, SQS, RabbitMQ, or Redis.
Nice to have
- Experience training, fine-tuning, distilling, or otherwise adapting machine learning or language models.
- Experience with reinforcement learning, AI evaluation infrastructure, or operating AI systems at production scale.
Pay
$116,000 — $174,000 USD base salary
Tools
Python, FastAPI, Django, Celery, Kafka, SQS, RabbitMQ, Redis
AI focus
Build production agentic and generative AI features, including tool use, context management, retrieval and RAG, grounding, evaluation, orchestration, and multi-step workflows; improve AI quality, reliability, and production performance.
Model-written summary · the original posting is authoritative