Software Engineer (Infra)

ABOUT NUMERAL: Numeral is transforming how taxes get done. Digital businesses are currently bogged down by a painful web of regulations across 47 states and 70+ countries. We’re eliminating this burden so teams can focus on their core mission. We’re the largest and fastest-growing AI-native tax solution. Started in 2023, Numeral has raised over $57M from Benchmark, Mayfield, Y-Combinator, and many others. We now serve over 3,000 paying customers and have more than tripled our revenue every year in our history. ABOUT THE ROLE: We’re looking for a foundational Software Engineer (Infrastructure) who thrives on solving complex distributed systems problems at scale. You’ll design and build core infrastructure, improve service reliability and observability, and ensure the platform’s scalability as we handle increasing transaction volumes and integrations. This is a high-leverage, foundational role: your work will define the architecture and technical direction of our infrastructure platform while directly impacting our customers’ experience and the company’s trajectory. WHAT YOU’LL DO: - Design and build highly scalable, secure, and reliable infrastructure to support critical APIs, services, and data pipelines. - Lead infrastructure architecture decisions for performance, observability, and fault tolerance. - Drive improvements in system reliability, monitoring, and incident response. - Collaborate closely with product, platform, and data engineering teams to enable rapid feature development without compromising stability. - Automate infrastructure management through infrastructure-as-code, CI/CD pipelines, and container orchestration. - Champion best practices in operational excellence, disaster recovery, and distributed systems design. WHAT YOU’LL BRING: - 7+ years of experience building and scaling backend or infrastructure systems in high-growth environments. - Proficiency in Node.js, PostgreSQL, Redis, and AWS (or equivalent cloud platforms). - Experience managing co