Member of Technical Staff
Full-time
endex
Who We Are
Endex builds AI agents that handle complex, end-to-end work for the world's most demanding teams. Today we're deployed across leading financial institutions and Fortune 500 companies, embedded in the tools and workflows they rely on. We operate at the frontier of agentic knowledge work, partnering closely with top AI research labs and backed by the OpenAI Startup Fund. We're on a mission to build the most capable digital coworker in the world.
About the Role
Location: New York City
Commitment: Five days per week, in person at our New York City office
Minimum experience: At least 2 years of relevant experience required to apply
We're looking for engineers who want to work on category-defining AI work. Building agents with the performance and reliability Wall Street demands is one of the hardest applied AI problems out there.
Our technical staff works across the stack: agent architecture, evals, model post-training, and new product surfaces. You'll ship to the largest financial firms in the world.
Your Key Responsibilities
Design and ship the core agentic systems that power Endex across planning, tool use, memory, long-horizon task execution.
Partner with customers to understand finance workflows, and leverage learnings to improve our product
Build the evals, datasets, and post-training pipelines that turn raw model capability into a product analysts trust
As one of our earliest engineers, you'll shape our architecture, our hiring bar, and the engineering culture
What We're Looking For
You have architected and built scalable systems
You have worked on agentic products or infrastructure and have informed opinions on reliability and performance of complex multi-step systems
You have deep experience with API design, service communication patterns, and database optimization
You have an iterative mindset where you develop proof of concepts, make decisions quickly, and ship v0s
You have strong software engineering fundamentals and enjoy owning the full lifecycle of production services
Full-Time Benefits
Health & Dental Insurance
Monthly Wellness Stipend
401K Matching
Competitive Salary + Equity
Vacancy posted 20 hours ago
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