CareerPlan

Senior Software Engineer, Python

United StatesFull-time2026-10-26 → 2026-11-10

Core

Senior backend engineer owning the global phone-number inventory, ordering pipeline, and AI-driven order review layer for a multi-cloud IP network.

Role type

Senior IC backend engineer (telephony & AI)

Builds

Async Python services, vendor/carrier integrations, production LLM order-review service, and regulatory automation across 45+ countries

Domain

Global telephony, CPaaS, regulatory compliance, and applied AI

Deliverable

production ML models

Required skills

async Python, external service integration, LLM orchestration & guardrails, PostgreSQL at scale, workflow automation

Preferred skills

telecom/CPaaS domain knowledge, document/KYC verification, agent frameworks, analytics engineering

Technologies

Python (asyncio, FastAPI, SQLAlchemy), PostgreSQL, RabbitMQ/Kafka, Kubernetes, Metabase

Responsibilities

Design and maintain async job queues with retries and rollbacks for high-volume order processing; Integrate dozens of idiosyncratic carrier and vendor APIs into a unified system; Build and maintain a production LLM service for auto-approving orders with audit logs and human handoffs; Automate per-country identity and document verification flows across 45+ countries; Optimize PostgreSQL schemas and queries for a 30+ microservice estate

Seniority

Senior, hands-on IC