AI-Driven Orchestration Backend Lead

BranchFactor; Boston (MA); On-site; USD 216,000 - 324,000; Full time

Job summary

Klaviyo in Boston seeks a Sr. Lead Software Engineer to architect and scale our core orchestration platform, delivering high‑throughput, low‑latency services while maintaining reliability.

You will drive AI‑driven agentic workflows, lead adoption of AI‑native development practices, and partner with product, data science, design and leadership to shape the platform roadmap. The role requires 8+ years in backend distributed systems, hands‑on experience with Python (FastAPI/Django), AWS,

Qualifications

• 8+ years of professional software engineering with distributed systems focus.
• Experience shipping production LLM workflows or AI pipelines with evals and prompt architecture.
• Strong backend ownership with high availability and low latency.

Responsibilities

• Architect and scale Klaviyo’s Core Orchestration platform for high traffic and reliability.
• Drive the technical vision for AI‑driven workflows in core customer interactions.
• Lead adoption of AI‑native software development practices to boost productivity and delivery speed.
• Design foundational frameworks used across engineering teams with high standards and mentorship.
• Collaborate with product, data science, design and leadership to shape long‑term platform architecture.

Skills

Backend leadership

Distributed systems

AI & agentic systems

Python (FastAPI/Django)

AWS & Kubernetes

CI/CD & observability

Mentorship

Cross-functional collaboration

Tools

Kafka

Celery

SQS

Redis

FastAPI

Django

AWS

Kubernetes

Job description

Klaviyo in Boston seeks a Sr. Lead Software Engineer to architect and scale our core orchestration platform, delivering high‑throughput, low‑latency services while maintaining reliability.

You will drive AI‑driven agentic workflows, lead adoption of AI‑native development practices, and partner with product, data science, design and leadership to shape the platform roadmap. The role requires 8+ years in backend distributed systems, hands‑on experience with Python (FastAPI/Django), AWS,