Mach9

Software Engineer - Test Automation (SDET)

Mach9
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10 hours ago
San Francisco, CA, USAMid Level
H1B sponsor

Base Salary

$130k - $170k/yr

Responsibilities

  • Grow automated test coverage across the CAD editor and drive pages.
  • Evolve test infrastructure and CI to keep the test suite fast and reliable.
  • Build tools for coding agents to reproduce failures and collect diagnostic artifacts.
  • Identify and eliminate flaky tests so failing builds reliably indicate real bugs.
  • Improve the testability of the 3D editor and users’ CAD workflows.
  • Help engineers write testable code and durable tests for new features.
  • Track performance regressions and diagnose failures through application code and infrastructure.

Requirements

  • 3+ years of experience building and maintaining automated test suites for production web applications.
  • Experience with Playwright, Cypress, WebdriverIO, or similar test automation tools.
  • Proficiency in TypeScript or JavaScript and ability to read and modify application code.
  • Experience building or substantially evolving an end-to-end test framework, including fixtures, test data, isolation, parallel execution, and flakiness control.
  • Experience integrating tests into CI and maintaining fast, reliable pipelines.
  • Interest in AI-assisted development and using agents to improve software quality.
  • Experience testing CAD, 3D, geospatial, mapping, high-performance editor, or gaming products is preferred.

Benefits

  • Visa sponsorship is available for this role.
  • The team works from the SoMa office five days a week, with flexibility when needed.

Tech Stack

Categories

Mach9

About Mach9

11-50 employees

Mach9 builds software that transforms reality capture datasets into high-precision 3D maps, accelerating how teams model and understand the world. Its flagship product, Digital Surveyor, automatically extracts features like utility poles, signs, curbs, striping and more from LiDAR and imagery datasets to create engineering-ready CAD and GIS deliverables. Surveying, engineering, and GIS teams work with Mach9 to reduce the time and cost of 3D mapping and deliver projects faster than ever before. Founded in 2021 and based in San Francisco, Mach9 is backed by Quiet Capital, Y Combinator, Soma Capital, Tiger Global, and Overmatch Ventures and trusted by leading engineering, construction and infrastructure organizations.

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