Staff Software Engineer

Zeta Global • New York, NY

10d • Hybrid

About The Position

Zeta Global Corp. seeks a Staff Software Engineer in NYC to drive the design and development of the next generation of agentic, reliable, and scalable GenAI platforms supporting state-of-the-art large language models, evaluation systems, and secure developer tooling. Shape technical direction, ensuring architectural excellence to infuse AI into real-world production solution.

Requirements

• Apply experience with generative AI, large language models (LLMs), and cloud infrastructure.
• Work with GenAI platform technologies (MCP, LangGraph, OpenAI, Bedrock).
• Bachelor’s degree in Computer Science, Computer or Software Engineering or Information Systems plus 5 years of experience in the job offered or in a related occupation.

Responsibilities

• Lead the design and development of secure, scalable platform services and tooling for LLM-powered applications, agentic workflows, and experimentation.
• Design and implement retrieval and knowledge systems (e.g., RAG pipelines, embeddings, vector stores) to support enterprise use cases.
• Establish evaluation frameworks, benchmarks, and feedback loops to measure and continuously improve quality, correctness, and safety of GenAI systems.
• Build observability and debugging capabilities for LLM applications, including tracing, cost monitoring, latency analysis, and failure detection.
• Optimize cost and performance of GenAI workloads through model routing, caching, prompt optimization, and efficient infrastructure design.
• Architect multi-tenant capabilities including isolation, configuration, quota management, and cost attribution.
• Implement GenAI-specific security controls, including prompt injection mitigation, data protection, and access governance.
• Design and implement agent orchestration frameworks, including tool integration, state management, and workflow control.
• Build developer-facing APIs, SDKs, and tooling to enable rapid experimentation and productionization of GenAI use cases.
• Drive end-to-end lifecycle management from experimentation to production, including versioning, deployment strategies, and rollback mechanisms.
• Integrate and evaluate multiple model providers and frameworks, defining abstraction and selection strategies.
• Develop Software using C#, Java, JavaScript, Go, or Python.

Benefits

• Unlimited PTO
• Excellent medical, dental, and vision coverage
• Employee Equity and Stock Purchase Plan
• Employee Discounts, Virtual Wellness Classes, and Pet Insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Senior