QA Engineer - Blockchain Security & Automation

Associated Builders and Contractors (ABC); Miami (FL); Hybrid; USD 70,000 - 110,000; Full time

Benefits offered by this job

Web3 testing experience

LLM-powered testing tools

Security testing background

Job summary

Halborn Inc. is seeking a QA Engineer to own automation across internal engineering platforms and client‑facing products. You will build fast, reliable test suites (UI, API, data-layer) and shape the testing strategy in a globally distributed security-focused team.

You will leverage Playwright/Cypress/Selenium and pytest, with AI-assisted tooling, to accelerate test authoring and regression analysis. Remote work options exist for a fast-paced, blockchain‑focused environment.

Qualifications

• 3–5 years in QA engineering or SDET with automation focus.
• Proficient in at least one of TypeScript, JavaScript, or Python.
• Hands-on with modern automation frameworks and API testing.

Responsibilities

• Own the test strategy for internal platforms and client products from unit to end-to-end tests.
• Design, build and maintain automated UI, API, and data-layer test suites.
• Use AI-assisted tooling to accelerate test authoring and triage failures.
• Integrate quality gates in CI/CD so broken builds never reach clients.
• Identify and automate manual QA processes and improve release readiness.
• Collaborate with security engineers to include regression checks in pipelines.
• Run performance and load tests on services handling sensitive data.

Skills

QA engineering

Test automation

TypeScript

JavaScript

Python

Playwright

Cypress

Selenium

pytest

API testing (REST/GraphQL)

CI/CD (GitHub Actions/GitLab/Jenkins)

AI tooling / LLM

Git & containers

Tools

Playwright

Cypress

Selenium

pytest

Job description

Halborn Inc. is seeking a QA Engineer to own automation across internal engineering platforms and client‑facing products. You will build fast, reliable test suites (UI, API, data-layer) and shape the testing strategy in a globally distributed security-focused team.

You will leverage Playwright/Cypress/Selenium and pytest, with AI-assisted tooling, to accelerate test authoring and regression analysis. Remote work options exist for a fast-paced, blockchain‑focused environment.