Senior Product Engineer

REALM; New York (NY); On-site; USD 150,000 - 250,000; Full time

Benefits offered by this job

Equity

On-site in NYC (4-5 days)

Competitive salary

Job summary

REALM in New York City is seeking an engineer to own agentic AI systems end-to-end, from architecture to deployment. You’ll ship multi-step agents, orchestrate tools, and iterate rapidly with direct input from founders and customers.

You’ll debug at scale, harden systems, and bring features from 0 to production. This role rewards pace, ownership, and hands-on work with LLM tool calling, orchestration, and memory, on-site 4–5 days per week.

Qualifications

• Has built agentic AI products from scratch and shipped to real users.
• Hands-on with LLM tool calling and orchestration, frameworks or custom builds accepted.
• Strong full-stack capabilities and production ownership.

Responsibilities

• Design and ship multi-step agents: tool calling, orchestration, memory.
• Build evals and tests to prove product improves over time.
• Take features from concept to production and operate in production.

Skills

LLM tool calling

Agentic systems

Production ownership

Debug at scale

Customer collaboration

Full-stack skills

Tools

Tooling frameworks

Job description

A small, fast-moving team building agentic AI products used by real customers. Early, well-funded, and shipping every week. They need an engineer who has taken a product from nothing to production and wants to do it again.

The Role

You’ll be an engineer on a small team, owning agentic systems end to end, from architecture to deployment. Expect real ownership, fast iteration and direct input on what gets built next.

• Design and ship multi-step agents: tool calling, orchestration, memory
• Build the evals and testing that show the product is actually getting better
• Take features from 0 to 1 and run them in production
• Debug what breaks at scale and harden it
• Work directly with customers and founders on what to build

Who they’re looking for

• You’ve built agentic AI products from scratch and shipped them to real users
• Hands-on with LLM tool calling and orchestration, whether you used a framework or built your own
• Strong skills across the stack
• You’ve owned systems in production and fixed them when they broke
• You’d pick pace and ownership over process
• Onsite in NYC (4-5 days in office)
• Competitive salary (upwards of $250K) + meaningful equity