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Senior Backend Engineer - US

United States💼 Full-time🗓 2026-09-20 → 2026-09-26

Core

Design, develop, and optimize scalable backend services, APIs, and data processing pipelines for a sales tax automation platform.

Role type

Senior Backend Engineer

Builds

Core infrastructure, backend services, and third-party integrations for tax compliance automation

Domain

Fintech / Sales Tax Compliance / SaaS

Deliverable

production ML models | product features

Required skills

Python, Node.js, RESTful APIs, event-driven architectures, relational databases (Postgres, MySQL), AWS serverless services, distributed systems, caching, security best practices, automated testing

Preferred skills

SaaS, fintech, or tax technology experience

Technologies

Flask, AWS (Lambda, S3, DynamoDB, API Gateway), CI/CD, Infrastructure-as-Code

Responsibilities

Design and build scalable backend services and APIs; Develop and maintain robust data processing pipelines; Optimize database schemas and queries; Develop and maintain integrations with third-party billing, commerce, and accounting platforms; Participate in architectural decisions and drive technical direction; Implement and maintain comprehensive automated testing

Seniority

Senior, hands-on IC

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