Actively AI
Senior / Staff Software Engineer (AI Agents)
$180K–$220K
New York, New York, United States · Staff · Full-time · Posted Sep 6, 2025
About the job
Architects and builds scalable backend infrastructure and AI agents that reason over customer and external data, coordinate workflows, and reliably take actions across enterprise systems.
What you'll do
- Design and build agents that process streaming data, maintain state, decide next steps, and act across systems.
- Develop orchestration primitives for agent and human collaboration in complex, long-running workflows.
- Build reliability into agent systems through clear state transitions, data contracts, observability, fault tolerance, testing, and documentation.
What they ask for
- Deep Python expertise and strong fundamentals in concurrency, transactions, and performance tuning.
- Experience designing and operating large-scale, event-driven backend systems and modeling complex, long-lived workflows.
- Ability to assess trade-offs involving consistency, latency, fault tolerance, and cost.
- Familiarity with streaming and workflow technologies and relational, in-memory, and vector data stores.
Nice to have
- Experience building or contributing to LLM-powered or agent-driven systems, such as inference pipelines, retrieval systems, or human-in-the-loop orchestration.
- Experience scaling mission-critical systems with high reliability requirements.
Pay
USD $180,000 - $220,000 base salary
Tools
Python, Kafka, Pub/Sub, Temporal
AI focus
Builds production-grade GTM AI agents that use LLMs and real-time customer and external data to generate next-best actions and execute workflows, including human-in-the-loop collaboration.
Model-written summary · the original posting is authoritative