Create New Account
Sign up to continue searching for suitable jobs in Web 3.0

OR
Terms of Use
Already have an account?

Log In to Your Account
Log in to continue searching for suitable jobs in Web 3.0

OR
Don’t have an account?
Crossmint
QA Engineer APIs SDKs Contract US LATAM Spain
at Crossmint
about 3 hours ago | 9 views | Be the first one to apply

QA Engineer APIs SDKs Contract US LATAM Spain

Full-time
United States, North America
Per year
$105,000 To $120,000

About the company

Crossmint allows enterprises to build web3 use cases without requiring any blockchain experience or holding crypto, and making the blockchain invisible to end users. Crossmint powers over 30,000 companies and developers like Mastercard, Microsoft, Red Bull, Etihad Airways, Adidas, Diageo, and more.

Job Summary

About The Role

📍We’re looking for a Technical QA Engineer to join our team building APIs and SDKs for crypto infrastructure. You’ll operate at the intersection of quality assurance and technical support engineering, ensuring our APIs and SDKs are robust, reliable, and intuitive for developers. 📍Quality Assurance 📍Design comprehensive test plans and cases based on product requirements. 📍Execute manual and automated tests across multiple platforms and edge cases. 📍Validate end-to-end functionality across Wallets, Payments, and Minting products. 📍Document results and proactively communicate issues to engineering teams. 📍Technical Support Engineering 📍Evaluate developer experience for API and SDK integrations. 📍Act as a technical escalation point for complex or hard-to-reproduce issues. 📍Reproduce, debug, and analyze issues; provide detailed technical insights to accelerate fixes. 📍Technical Development 📍Build and maintain demo applications for testing API/SDK functionality. 📍Contribute to internal tools and scripts that improve QA and debugging workflows.

About you

📍Technical Expertise 📍Essential: Strong knowledge of REST APIs and SDKs. 📍Proficiency in one or more modern programming languages (JavaScript/TypeScript, Python, or similar). 📍Ability to build small apps or prototypes to test integrations. 📍Big bonus: experience with React or React Native. 📍Quality Assurance Background 📍Proven experience writing test plans, test cases, and executing both manual and automated tests. 📍Familiar with QA methodologies and frameworks (e.g., Postman/Bruno/cURL, Jest, Cypress, etc.). 📍Problem-Solving Mindset

If you’re passionate about blockchain and decentralized technologies, explore more opportunities in web3 and cryptocurrency careers.

Salaries for similar jobs:

Similar jobs

about 2 hours ago | 11 views | Be the first one to apply
Full-time
Australia
5 days ago | 48 views | Be the first one to apply
6 days ago | 128 views | Be the first one to apply
$86,000 To $91,000 per year
11 days ago | 57 views | Be the first one to apply
Full-time
New York, North America
$120,000 To $150,000 per year
13 days ago | 150 views | 1 applications
Full-time
Atlanta, North America
$112,000 To $115,000 per year