Senior Backend Engineer

The role

You will own the integration layer end to end, connecting the Spherecast Platform to legacy ERPs, data warehouses, and custom sheets. You will build, maintain, and monitor a scalable, near-realtime system that handles millions of records.

What you will do

• Build, extend, maintain, and monitor the integration architecture across diverse data sources
• Orchestrate and schedule execution so syncs run reliably
• Build a scalable, near-realtime, robust, and fault-tolerant system
• Make the integration layer more flexible to connect new sources
• Write round-trip integration tests
• Validate, cross-match, and detect likely errors in data early
• Work directly with CPG operators and IT teams to own integrations from scoping to operation

Required qualifications

• Hands-on experience with Python, FastAPI, SQLAlchemy, and Pydantic
• Track record of shipping production data pipelines and integrations
• Deep experience integrating third-party systems including REST, SOAP, and query-language APIs
• Experience with OAuth and credential management, rate limits, and pagination
• Strong instinct for pipeline design including fetch, validate, normalize, and upsert
• Proficiency in SQL and writing high-performance queries and bulk upserts
• Experience building for operability with structured logging, sync-run tracking, and alerting
• Knowledge of Claude Code, Codex, and OpenCode

Nice to have

• NetSuite experience
• Background task orchestration (Hatchet, Temporal)
• Unstructured data ingestion
• AWS

About the company

Spherecast is building the AI-native Operating System for Consumer Goods Supply Chains. The platform brings demand, inventory, materials, capacity, costs, and business rules into one real-time operating context.