Senior Automation Engineer - C# / Java (451) jobs in United States
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Ubiminds: You, International. · 1 day ago

Senior Automation Engineer - C# / Java (451)

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development footprint. They are seeking a Senior Automation Engineer with strong experience in C# or Java to help build modern, scalable, and maintainable applications, focusing on writing automated tests and improving test coverage.

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Responsibilities

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

Qualification

C#JavaTest AutomationDebuggingPlaywrightXUnitJUnitJestKarateAI toolsShift LeftEnglish communicationProblem-solvingCollaboration

Required

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

Preferred

Strong experience writing tests based on product use cases or specs
Hands-on experience writing tests using Claude Code or similar AI tools
Experience writing end-to-end tests using Playwright

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

Company

Ubiminds: You, International.

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We connect people and companies who shape the world through software. NorthAm + LatAm. Brains + Hearts.

Funding

Current Stage
Growth Stage
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