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Blockchain Testing Specialist (Payment Infrastructure)

tylt • Brazil
Remote
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Join Tylt to ensure the reliability of global payment infrastructure powered by stablecoins. As a Blockchain Testing Specialist, you’ll design and execute test cases for transactions, integrations, and settlement processes, collaborating with Engineering, Product, and Compliance teams to validate system quality. This role requires 1–4 years of QA/testing experience with a focus on fintech, blockchain, or payment systems.

Key Highlights
Ensure reliability of Tylt’s stablecoin-powered payment infrastructure through rigorous testing of transactions, integrations, and settlement processes.
Collaborate cross-functionally with Engineering, Product, Operations, and Compliance to identify defects, validate fixes, and improve system quality.
Work in a remote-first environment with exposure to fintech, blockchain, and global payment systems.
Key Responsibilities
Design and execute test cases for payment and transaction flows, including payouts, settlements, wallets, and account-related functionality.
Test transactions across currencies, payment methods, and scenarios, as well as integrations with external providers and blockchain networks.
Identify, document, reproduce, and track defects while performing functional, integration, system, and exploratory testing.
Validate APIs, transaction responses, and edge cases to ensure system reliability and compliance with expected behavior.
Collaborate with Engineering to investigate and reproduce technical issues and with Product to refine testing processes.
Technical Skills Required
Software Testing Methodologies API Testing Blockchain Transactions
Benefits & Perks
Remote-first work environment
Opportunity to work with stablecoins, blockchain networks, and payment systems
Collaboration with Engineering, Product, Operations, and Leadership teams
Nice to Have
Experience with Postman, REST APIs, SQL, payment gateways, payment processing systems, or regression testing.
Familiarity with automated testing frameworks, bug tracking systems, or CI/CD environments.
Interest in fintech, blockchain, stablecoins, or digital assets.

Job Description

At Tylt, we're building the next generation of global payment infrastructure powered by stablecoins. Our platform enables businesses to collect payments, send payouts, convert between fiat and stablecoins, and move money across borders with greater speed, transparency, and efficiency.

Reliable payment infrastructure requires rigorous testing across transaction flows, integrations, settlement processes, and customer-facing experiences.

As a Blockchain Testing Specialist, you'll help ensure that Tylt's payment infrastructure operates reliably across different transaction scenarios, payment methods, integrations, and environments.

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