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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Test Engineer - Saudi Payments - **Company:** Human Union Data, Inc. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Test Suite, Artificial Intelligence, Unit Testing, Code Review, Software Debugging, Junit, Open Web Application Security, Software Engineering, Rspec, Software Security, Pytest, Production Code, Free and Open-Source Software, Golang - **Published:** July 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=89a3b156dbdd8a7d ## About the Role * Strong day-job engineering experience - you can read, run, and debug unfamiliar code for Senior Test Engineer - Saudi Payments work. * Comfort writing concise unit tests that capture a single failure mode. * Familiarity with at least one of: pytest, Jest, JUnit, Go test, RSpec, or equivalent. * Clear written reasoning - your review note has to convince another senior engineer. * Reliable async availability for at least 10 hours per week. * Prior code-review or technical-interview-grading experience is a plus., * Open-source contributions or a public portfolio that demonstrates production-quality code. * Experience with the target language's standard tooling, linters, and idiomatic style guides. * Familiarity with security-review checklists (OWASP, CWE) and AppSec patterns., * Code review * Debugging * Unit testing * Software engineering judgment * Senior Test Engineer Saudi Payments engineering review Work model Remote - US-eligible. Remote ยท Independent specialist contractor. Employment type: CONTRACTOR. Applicants must be authorized to work from US. ## Description Senior Test Engineer - Saudi Payments is a remote engineering review track for evaluating production code, debugging traces, and developer-facing AI outputs against real-world correctness standards. Reviewers reproduce failures, write the unit test the model should have written, and explain the fix so the modeling team can target the gap., * Run and reproduce candidate code outputs in a sandboxed environment for Senior Test Engineer - Saudi Payments assignments. * Grade senior test engineer saudi payments engineering review solutions for correctness, complexity, idiomatic style, and edge-case handling. * Write minimal failing tests that demonstrate the bug a model output missed. * Compare paired solutions and rank them with a written rationale tied to the rubric. * Tag failure modes (compile error, runtime crash, off-by-one, security issue) with severity scores. * Document recurring code-generation failures so the modeling team can target them. * Calibrate against gold-standard reviews to keep inter-rater agreement above target., * Reproduce a generated engineering solution to a coding task, run the test suite, and grade it. * Write the smallest failing test that demonstrates a model's edge-case bug. * Compare two paired solutions and rank them with a written rationale tied to the rubric. * Triage a security issue surfaced by a model and document the patch the model should have produced. ## Related Videos - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [pytest: Simple, rapid and fun testing with Python](https://www.wearedevelopers.com/videos/213-pytest-simple-rapid-and-fun-testing-with-python) - [Automagic Configuration in Python](https://www.wearedevelopers.com/videos/363-automagic-configuration-in-python) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) - [Yes, You Need to Unit Test your JavaScript. Here's How.](https://www.wearedevelopers.com/videos/439-yes-you-need-to-unit-test-your-javascript-here-s-how) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries)