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Fireblocks

Custody & Wallets

Sep 2, 2026

Senior QA Engineer (Financial Apps)

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Job Description

Fireblocks, digital-asset custody/settlement infrastructure used by banks and Web3 companies, is hiring a senior QA engineer for its Financial Apps unit, combining rigorous manual testing of DeFi/Web3 flows with growing AI-assisted test automation.

Responsibilities

  • Perform rigorous manual testing of DeFi and Web3 flows within Financial Apps
  • Build and maintain TypeScript-based test automation suites
  • Debug production issues using Datadog and Sentry
  • Validate blockchain transaction lifecycle correctness across integrations

What we are looking for

  • Manual QA
  • Test automation (TypeScript)
  • Blockchain transaction lifecycle
  • DeFi flows
  • Datadog/Sentry debugging

Additional Information

This role does not disclose crypto-based compensation or an equity range in the original posting. Position is remote-eligible across several European hub cities.

Perks and Benefits

  • Remote-first culture
  • Health coverage
  • Equity/token participation
  • Learning & development budget

The Company: Fireblocks

Enterprise digital asset infrastructure for institutions to securely manage crypto at scale.

Read more ->

Fireblocks is looking for

People working in

Engineering >

Who specialize in

Backend

With these skills

Manual QA, Test Automation (TypeScript), Blockchain transaction lifecycle, DeFi flows, Datadog/Sentry debugging

Willing to work

Full-time

With an experience level

Senior

Location

Remote • Belgrade / Berlin / Prague / UK / Warsaw (remote-eligible)

Capacity

40 hours/week

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