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Senior Software Engineer, Backend

San Francisco💼 Full-time💰 $193,400–$193,400🗓 2026-05-01 → 2026-09-26

Core

Build secure, scalable backend systems and AI orchestration layers for a generative AI platform serving legal and professional services.

Role type

Senior Backend Software Engineer (AI/GenAI Platform)

Builds

Enterprise-grade agentic AI platform, retrieval systems, and multi-region GPU infrastructure

Domain

LegalTech / Generative AI / Enterprise SaaS

Deliverable

production ML models | product features | infrastructure

Required skills

Backend software engineering, PWA technologies, multi-product platform architecture, LLM evaluation, large-scale data collection, GPU capacity management, organizational interface design

Preferred skills

Early-stage startup experience, grit

Technologies

PWA, LLMs, GPU clusters, multi-region cloud infrastructure

Responsibilities

Own and lead engineering projects across product lines, build secure systems for sensitive matters, manage dedicated GPU capacity across 5+ regions, develop 1000-step planning agents, evaluate LLMs across 10k+ task taxonomies, collect internet-scale data from 50+ jurisdictions

Seniority

Senior, hands-on IC

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