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 50+ 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 2,500 paying customers and have more than tripled our revenue every year in our history. • We’re primarily hiring in our SF and NY offices, but do hire remotely in some cases About the role: We’re looking for a senior 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: • 5+ 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 containerized workloads using tools like Kubernetes, ECS, or similar. • Expertise in observability tooling (e.g., Datadog, Prometheus, OpenTelemetry) and monitoring pipelines. • Proven ability to design fault-tolerant, distributed systems at scale. • Strong debugging and performance optimization skills across the stack. • Exceptional collaboration and communication skills, with experience partnering cross-functionally. • Startup mindset: Not scared of ambiguity and hungry for rapid growth • Intensity & Ownership: This is not a 9-5 — we’re scaling rapidly and have a massive opportunity ahead of us. • Customer Obsession: You deeply care about the user experience and solving their problems Even better: • Experience in payments, tax, accounting, or regulatory tech. • Infrastructure or platform engineering background (e.g., CI/CD, observability). • Experience scaling monolith-to-service architectures or event-driven systems. • Familiarity with GraphQL, Kafka, Terraform, or container orchestration tools. What we offer: • Competitive salary and equity - you’ll share directly in the company’s success • Full medical, dental, and vision coverage • Wellness perks like Headspace and the Peloton One App • 401(k) to help you build long-term financial security • Lunch and snacks when you’re in the office • Regular team offsites and company events as we grow • A culture built on ownership - your work matters and people will see it!