Software Engineer, Product

NumeralHQ

This role is hybrid (3 days a week in our SF or NYC office)🌐 Remote💼 Full-time🗓 2026-09-30

Core

Design and build scalable, secure backend services and APIs from scratch to underpin a tax platform.

Role type

Foundational Full-Stack Engineer (Backend focus)

Builds

Scalable backend services, APIs, and infrastructure for a tax solution

Domain

Fintech / Tax technology

Required skills

Node.js, PostgreSQL, Redis, AWS, API design, distributed systems, observability, performance optimization

Preferred skills

Payments/tax/accounting domain knowledge, CI/CD, event-driven systems, GraphQL, Kafka, Terraform, container orchestration

Responsibilities

Design and build scalable backend services and APIs; Make architectural decisions optimizing for speed and data integrity; Collaborate with product and data teams; Own infrastructure and observability; Shape engineering best practices and backend culture

Seniority

Senior, hands-on IC

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