QA Engineer - Automation & Security for Blockchain

Halborn Inc; Miami (FL); On-site; USD 85,000 - 130,000; Full time

Job summary

Halborn Inc in Miami, FL seeks a QA Engineer to own quality across internal platforms and client-facing products, building the automation and AI-assisted workflows that scale testing without headcount bottlenecks.

You will design automated UI, API, and data-layer tests, drive the test strategy, and partner with security engineers to integrate regression checks, while pushing fast-moving QA in a blockchain security context.

Qualifications

• 3 to 5 years in QA engineering, SDET, or test automation, with a shift toward automation.
• Hands-on with modern automation frameworks (Playwright, Cypress, Selenium, pytest).
• API testing experience including REST/GraphQL.
• Knowledge of CI/CD (GitHub Actions, GitLab CI, Jenkins).
• Experience with AI-assisted testing tools and regression automation.
• Comfort with Git, containerized environments, and reading code to test.
• Strong written bug reports and test plans for asynchronous teams.

Responsibilities

• Own test strategy for internal platforms and client-facing products.
• Design, build and maintain automated UI, API, and data-layer test suites.
• Leverage AI-assisted tooling to generate edge cases and summarize regressions.
• Implement quality gates in CI/CD to keep only green builds.
• Automate manual QA processes and data generation.
• Reproduce and document defects with clear repro steps.
• Collaborate with security engineers to include regression checks.
• Run performance, load, and reliability testing on sensitive data.

Skills

Playwright

Cypress

Selenium

pytest

CI/CD

AI tooling

Git

Containers

Tools

Foundry/HadHard tooling

Job description

Halborn Inc in Miami, FL seeks a QA Engineer to own quality across internal platforms and client-facing products, building the automation and AI-assisted workflows that scale testing without headcount bottlenecks.

You will design automated UI, API, and data-layer tests, drive the test strategy, and partner with security engineers to integrate regression checks, while pushing fast-moving QA in a blockchain security context.