Senior Backend Engineer – AI Platform

🕒 il y a 2 mois

☕ Washington – Distant

infoinfo

💵 $140 000 - $225 000 / an

⏰ Temps Plein

🟠 Senior

🔙 Ingénieur Back-end

🗣️🇺🇸🇬🇧 Anglais requis

D'où vient cette offre

Publiée sur la page carrières de AZX, pas via un site d'emploi

Repérée par Remote Rocketship il y a 2 mois

Toujours ouverte sur le site de AZX. Vérifiée il y a 7 heures.

Logo of AZX

AZX

1 - 10 employés

Fondée en 2024

💼 Conseil

📦 Logistique

🏗️ Construction

Consulting • Logistics • Construction

AZX est une entreprise à mission d'intérêt général qui propose des solutions d'IA spécifiquement adaptées aux secteurs de l'énergie, de l'immobilier et de la chaîne d'approvisionnement. Elle se concentre sur la résolution rapide des problèmes des clients en utilisant des stratégies innovantes et en développant des solutions dotées d'intelligence artificielle qui fournissent des résultats mesurables. Avec une approche axée sur la mission, AZX met l'accent sur la création d'un impact à la fois en termes d'efficacité organisationnelle et de durabilité environnementale.

Description

• Build the backend services that AZX products and client solutions run on • Own the LLM gateway, including routing, metering, budgets, guardrail composition, and provider/backend adapters • Manage the retrieval and knowledge service, including connectors, chunking, hybrid search, reranking, grounded answers, and the MCP surface • Build the evaluation harness for retrieval tuning, confidence intervals, and per-segment breakdowns • Own the async framework, including its public API, rate-limit algorithms, and admin tooling • Lead the evolution of the async framework into durable execution for agent runs • Design authorization across the platform, including token hierarchies, capability grammars, and per-tenant isolation • Define completion standards for shipped work through evaluations, traces, cost accounting, and monitoring dashboards • Support client-facing engineers delivering client outcomes with the platform

🎯 Exigences

• 5+ years of deep, production async Python • Production experience with cancellation scopes, streaming lifecycle, and connection pooling • Strong PostgreSQL knowledge, including MVCC, advisory locks, and vacuum discipline • Experience with Redis/Dragonfly and distributed systems • Experience shipping API surfaces, including versioning, idempotency, error vocabularies, migration discipline, and documentation • Depth in at least one LLM gateway concern or retrieval engineering, with credibility on the other • Experience shipping evaluation gates or harnesses that caught real regressions • Production depth in a modern technology stack and ability to ramp quickly on unfamiliar tools • Familiarity with Python 3.12+, async, type-strict development, FastAPI/Starlette, Pydantic v2, asyncpg/SQLAlchemy, PostgreSQL including pgvector, and Redis/Dragonfly with Lua • Exposure to OpenTelemetry including GenAI conventions, SSE/streaming lifecycles, OpenAI/Anthropic provider APIs, job frameworks, rate-limit algorithms, and integer-cents money handling • Currently authorized to work in the United States on a full-time basis • Must be willing to travel to the Seattle area for the final interview • Past work in energy, real estate, utilities, climate, or related fields is a plus • Experience in both startup and enterprise environments is a plus

🏖️ Avantages

• Competitive early-stage startup compensation based on capabilities, experience, and location • Bonus eligibility • Health insurance with meaningful coverage for dependents • Flexible paid time off • Equity • Fully remote culture • Travel 2x/year for company summits

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