CareerPlan

Staff+ Software Engineer, AI

Remote · United States | United StatesRemoteFull-time$130k–$350k2026-10-26 → 2026-11-08
RemoteNo visa sponsorship

Core

Own the AI foundation layer for an FP&A platform, including model routing, context management, tool design, and evaluation infrastructure.

Role type

Staff+ Software Engineer (AI Infrastructure)

Builds

Model proxy, eval infrastructure, agentic features, and observability systems for financial planning workflows.

Domain

Financial Planning & Analysis (FP&A) / Generative AI

Deliverable

production ML models

Required skills

LLM APIs, agent frameworks, model selection and routing, context management, prompt engineering, evaluation infrastructure, observability, caching, parallel tool calls, subagent patterns, B2B product development.

Preferred skills

Experience building complex B2B products from scratch, background as a founder or engineering lead, strong judgment on abstractions.

Technologies

LLM APIs, agent frameworks, model proxy, eval infrastructure.

Responsibilities

Own model selection and routing, build eval infrastructure with domain experts, ship agentic features end-to-end, build observability into agent behavior, track and integrate practices from agentic systems.

Seniority

Staff+, high agency, builder mindset.