Luminary
Software Engineer - Backend
$170K–$225K
Remote/Hybrid +1 · Full-time · Posted Aug 17, 2026
- Location
- Remote/Hybrid
New York, NY or San Francisco, CA - Experience
- Four or more years of software engineering experience.
- Visa sponsorship
- Unable to sponsor employment visas or provide immigration support.
About the job
Build and maintain a deterministic modeling engine for estate and transfer-tax calculations, trust distributions, and hypothetical scenarios, supporting the company’s agent workflows.
What you'll do
- Own transfer-tax computation, waterfall and distribution modeling, and consolidation under one engine.
- Design flexible data models for trusts and estates, and validate calculation correctness with legal and tax practitioners.
- Expose deterministic calculations and hypothetical modeling to support extraction and agentic workflows.
What they ask for
- At least four years of software engineering experience at companies with strong engineering practices.
- Rigorous approach to correctness, edge cases, and verifiable logic.
- Product-mindedness and strong communication skills.
Pay
$170k–$225k USD base salary
Tools
Go, Postgres, Temporal, GraphQL, Honeycomb, Braintrust, PostHog
AI focus
Support extraction and agentic workflows by providing a deterministic modeling layer and tools for hypothetical modeling; agents are not intended to perform calculations.
Model-written summary · the original posting is authoritative