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Senior Quality Engineer (São Paulo)

Frontend Developer • Senior • Remote • Full-time

Senior Quality Engineer role at LawnStarter, remote, for candidates based in São Paulo, Brazil. The goal is to make quality proactive: owning automation coverage, shaping the bug process and partnering closely with Product, Design and the Data team.

Responsibilities

  • Own automated test coverage: design and grow the E2E and integration suite with Cypress, set strategy and prioritize coverage gaps
  • Own the full bug lifecycle from triage to production fix, keeping stakeholders informed
  • Cross-functional quality partnership: review requirements with PMs, Designers and the Data team, raise risks early and define what 'done' means
  • Process improvement: identify weaknesses in how software is delivered and propose solutions, not just document them
  • Exploratory testing: test new features and existing flows across web and mobile on multiple devices
  • Actively explore AI tools to improve quality operations, cut repetitive work and uncover coverage gaps

Requirements

  • Located in São Paulo, Brazil (the role is tied to this location)
  • Experience setting and owning automation strategy (not just executing test cases others wrote)
  • Hands-on with the stack: PHP (Laravel) and React / React Native, with Cypress as the primary test framework
  • Exploratory testing experience across web and mobile on multiple devices
  • Self-directed approach to exploring AI tools (does not wait to be told what to use)

Soft skills

Proactive, self-starting attitudeStrong stakeholder communicationDeep business knowledge of how the marketplace works, to anticipate edge cases

What we offer

  • A hands-on and strategic role that raises the quality ceiling for the whole team
  • Cross-functional influence: direct work with engineers, PMs, Designers and the Data team
  • Authority to fix gaps in the quality process, not just flag them
  • Claude Code used actively as a core part of the engineering workflow, not as an experiment

About the company

LawnStarter is the nation's leading on-demand marketplace for lawn care and outdoor services, with over $100M in annual bookings. It operates three brands (LawnStarter, Lawn Love, Home Gnome) on a single shared platform. Over the last two years the platform was rebuilt from the ground up (new customer app, Pro onboarding, job distribution engine, data infrastructure), and it is now scaling into new service verticals, dynamic pricing and AI-powered features.