Staff Software Engineer, AI Platform & Agent Runtimes

Proofpoint; Draper (UT); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits and wellness

Flexible work environment

Annual wellness and community outreach

Global collaboration opportunities

Job summary

Proofpoint is seeking a Staff Software Engineer on the Satori AI Platform team to shape the internal platform used by all Proofpoint product teams. You will drive architecture for AI-assisted development, eval‑driven release gates, OpenTelemetry observability for AI workloads, and cross‑product AuthX for AI workloads.

Your collaboration with engineers across product lines will ensure scalable, secure, and high‑quality agentic software that protects business communications globally.

Qualifications

• Experience building AI-powered applications and working with agentic/LLM-based systems.
• Proficient in Python and/or TypeScript/Node.js, with clean, scalable, well-tested code.
• Familiarity with LangGraph, LangChain, OpenAI and Anthropic agent SDKs, MCP.
• Experience with evaluation, monitoring, and observability concepts for AI apps (e.g., OpenTelemetry).
• Ability to diagnose issues via logs, metrics, traces, and diagnostics.
• Collaborates effectively with engineering, product, and platform teams.
• Experience with cloud-based or microservices architectures.
• Strong written and verbal communication skills.
• Shows curiosity, attention to detail, and eagerness to learn new tech.
• Proactive, collaborative mindset with ownership of work.

Responsibilities

• Set architectural direction for platform pillars (AI workflows, eval-driven gates, OpenTelemetry for AI traffic).
• Design agent runtimes and SDKs in Python and TypeScript/Node.js.
• Define release-ready criteria for agents, including eval suites, safety checks, telemetry, and AuthX contracts.
• Partner with product team tech leads to convert integrations into reusable platform capabilities.
• Drive standards for prompt management, model selection, cost/latency budgets, and observability.
• Contribute hands-on code across the stack and deploy production features.
• Mentor engineers across platform and product teams to raise production quality.

Skills

AI-powered applications

Python

TypeScript/Node.js

LangGraph

LangChain

OpenAI/Anthropic Agents SDK

MCP

OpenTelemetry

cloud-based/microservices

team collaboration

Education

B.S./M.S. in Computer Science or related field

Tools

LangGraph

LangChain

OpenAI Agents SDK

Anthropic Agents SDK

MCP

OpenTelemetry

LangSmith

Braintrust

promptfoo

Job description

Proofpoint is seeking a Staff Software Engineer on the Satori AI Platform team to shape the internal platform used by all Proofpoint product teams. You will drive architecture for AI-assisted development, eval‑driven release gates, OpenTelemetry observability for AI workloads, and cross‑product AuthX for AI workloads.

Your collaboration with engineers across product lines will ensure scalable, secure, and high‑quality agentic software that protects business communications globally.