Senior Software Engineer, Agent Runtime & Customer Workflows
Klaviyo, a software company in business software (SaaS), has an open position for Senior Software Engineer, Agent Runtime & Customer Workflows. The job is based in Boston, United States. Our labels mark it as a senior-level role in software engineering (general). The stack in the posting includes RAG, LLM, FastAPI, Django, Kafka and RabbitMQ. It asks for 5+ years of experience. The role includes up to 10% travel. Klaviyo has 41 open positions on this site, 15 of them in IT and engineering.
Posted today · Last checked 2026-10-22
About Klaviyo
Business software (SaaS) Software product company 41 open positions, 37% in IT and engineering. Most open roles: Sales (26), Software engineering (general) (12), Marketing and communications (7).
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| Workplace | Workplace not stated |
| Seniority | Senior |
| Role | Software engineering (general) |
| Countries | United States |
| Languages | Python |
| Key facts | Stack: Python, RAG, LLM, FastAPI, Django, Kafka, RabbitMQ, Redis, AWS, Kubernetes, CI/CD · Experience: 5+ years · Travel: 10% · Schedule: on-call |
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