Founding AI Engineer — Pricing Platform (Equity)

United States Digital Space LLC; United States; Remote; USD 150,000 - 190,000; Full time

Benefits offered by this job

ESOP

Job summary

United States Digital Space LLC in Amsterdam is seeking a senior software engineer to design eval harnesses, own LLM infrastructure, and build observability for an AI-powered pricing platform that helps B2B pricing optimize deals.

You will work across the full stack (TypeScript/Python, FastAPI, GCP) and integrate tools like LangChain, Langfuse and Claude/Gemini while maintaining data boundaries and clear communication with non-technical stakeholders.

Qualifications

• 8+ years of software engineering with recent LLM work.
• Proven track record shipping LLM-powered features in production.
• Built evals and observability for LLM systems.
• Full-stack proficiency: TS/Python, FastAPI, GCP.

Responsibilities

• Design and build eval harnesses and benchmarks using pricing outcomes as ground truth.
• Own LLM infrastructure and model routing with cost/latency tradeoffs.
• Maintain EU data residency boundaries for EU customer model calls.
• Extend MCP server to drive the platform with LLM agents.
• Build observability and feedback loops to surface trust signals.
• Bridge non-deterministic engineering concepts to non-technical stakeholders.

Skills

LLM depth

Production features

Observability

Full stack TS/Python

Tools

LangChain

LlamaIndex

Langfuse

OpenRouter

Job description

United States Digital Space LLC in Amsterdam is seeking a senior software engineer to design eval harnesses, own LLM infrastructure, and build observability for an AI-powered pricing platform that helps B2B pricing optimize deals.

You will work across the full stack (TypeScript/Python, FastAPI, GCP) and integrate tools like LangChain, Langfuse and Claude/Gemini while maintaining data boundaries and clear communication with non-technical stakeholders.