Senior Platform Engineer - APIs, Integrations & Reliability

Numeral is hiring a Senior Software Engineer, Platform to build the services, infrastructure, and developer interfaces powering our tax automation platform. You will work across infrastructure, the public API, and MCP server, delivering reliable APIs and scalable integrations with billing platforms and ERPs. You will own projects end to end, shaping architecture, implementing solutions, and improving observability to ensure production reliability for customers and partners.