Senior QA Engineer – Blockchain & API Testing Pro

BTSE; United States; Hybrid; USD 85,000 - 125,000; Full time

Job summary

BTSE is seeking a QA Engineer to join a collaborative Scrum team. You will work with Developers, Product Managers, and Project Managers to ensure projects meet quality standards and are delivered on time.

The ideal candidate brings 5+ years of QA experience, with blockchain testing as a strong plus, and a solid background in web and mobile platforms. You will contribute to test strategy, automation, and continuous improvement.

Qualifications

• 5+ years of QA experience, blockchain testing a plus.
• Experience with web/mobile app testing and APIs.
• Familiar with test automation tools and frameworks.
• Strong understanding of testing types: functional, integration, regression, API, stress.
• Data-driven and agile development environment experience.

Responsibilities

• Assist in system testing of new and existing applications to ensure design specs are met.
• Perform regression testing for changes and enhancements.
• Maintain and manage manual and automated test scripts and databases.
• Design, write, execute, and maintain tests for web apps and platform APIs.
• Evaluate requirements and provide feedback on design and testing gaps.
• Record results and report defects with engineers to reproduce and fix.

Skills

QA testing

Blockchain testing

API testing

Mobile testing

Automation

Agile

Tools

JMeter

Fiddler

Postman

Charles

adb logcat

Appium

Katalon

Espresso

Xcode

Job description

BTSE is seeking a QA Engineer to join a collaborative Scrum team. You will work with Developers, Product Managers, and Project Managers to ensure projects meet quality standards and are delivered on time.

The ideal candidate brings 5+ years of QA experience, with blockchain testing as a strong plus, and a solid background in web and mobile platforms. You will contribute to test strategy, automation, and continuous improvement.