Ubiminds

Senior Automation Engineer – C# / Java

Ubiminds

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Senior

Tech Stack

JavaJestJUnit

About the role

  • Write and maintain automated unit and integration tests (frontend + backend)
  • Review existing codebases to improve test coverage and identify gaps
  • Use company-provided AI tools (e.g., Claude, Copilot) to speed up test creation and refactoring
  • Debug test failures across application, infrastructure, and data layers
  • Reduce test flakiness and noise in CI pipelines

Requirements

  • Strong programming skills in C# or Java, and experience with Playwright
  • Comfortable working in large, existing codebases
  • Able to understand and navigate unfamiliar systems
  • Solid understanding of testing fundamentals (unit vs. integration, mocking, isolation, etc.)
  • Hands-on experience writing and maintaining unit and integration tests
  • Familiar with frameworks like xUnit, JUnit, Jest, Karate, or similar
  • Able to troubleshoot test failures across multiple layers of the stack
  • Strong debugging and problem-solving skills
  • Committed to writing high-quality, maintainable test code
  • Comfortable in a Shift Left development environment
  • Self-driven and able to collaborate effectively with cross-functional teams
  • Clear and simple English communication (written and verbal)
  • Excited to use AI-powered tools (Claude, Copilot, etc.) in your daily work
  • Willing to experiment with AI for test generation, refactoring, and coverage analysis
  • Basic understanding of AI concepts like LLMs, or a strong interest in learning
Benefits
  • You are placed in a product-based company, with the same treatment as their full-time employees.
  • Have our full back-office support, from career guidance to HR and concierge services.
  • Enjoy our remote-first policy – we are a distributed team, after all.
  • Get your own MacBook (none of that "bring your own device" stuff here).
  • Have access to growth opportunities with other amazing technology professionals, through tech talks, chapter meetings, and even remote happy hours for tons of fun!
  • Improve your English through free lessons with a native English speaker - get to the next level on your communication skills!
  • Candidate Referral bonus (promote Ubi to your tech friends, and get paid for it!)
  • Miss working in the office? Our cool Florianópolis headquarters is available, whenever you want, with weekly quick massages & tasty snacks, soft drinks, and games
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
C#JavaPlaywrightunit testingintegration testingxUnitJUnitJestKaratedebugging
Soft Skills
problem-solvingcollaborationcommunicationself-drivenadaptability