We are seeking an experienced QA Engineer with a strong background in fintech and AI-assisted testing practices. You will be responsible for validating complex payment, wallet, and card flows through manual, API, integration, and regression testing while leveraging AI tools to improve test coverage, speed up analysis, and optimize QA processes.
Python, Playwright, Jira,TestRail/ Zephyr/ QASE, GitLab, Claude Code, ChatGPT.
Manual testing across active releases (feature acceptance, smoke testing, regression testing, integration verification)
Testing API flows and validating integrations between services
Creating, maintaining, and optimizing test cases and regression suites in TMS (QASE / TestRail / Zephyr)
Using AI tools to improve QA processes (generating test scenarios, analyzing requirements, speeding up exploratory testing, improving bug reports, assisting with log analysis and impact analysis, accelerating documentation work)
Performing release verification for payments, wallets, cards, crypto flows
Supporting automation QA engineers by validating automated regression results and helping triage failures
Participating in audit-related QA activities when required
Working with urgent business delivery tasks in fast-changing environments
3+ years in QA, with fintech experience - payments, banking, e-money, crypto or iGaming
Strong understanding of API testing, client-server architecture, integration testing, regression testing
Hands-on experience with Postman / Swagger/ Jira / Confluence/ TMS (QASE, TestRail ,Zephyr)
Practical usage of AI tools in daily QA work
Ability to use AI effectively for test design, exploratory testing, bug investigation, documentation improvement, data generation
Experience writing clear bug reports and structured test documentation
Experience with SEPA, IBAN, card processing (Visa/Mastercard schemes)
Familiarity with crypto-to-fiat flows
Familiarity with PCI DSS
Opportunity to shape the future of fintech solutions within a growing company
Collaborative, horizontal team structure that values your expertise and ideas
Continuous learning and development opportunities to enhance your skills and career growth
Competitive salary and benefits package
Flexible work arrangements to support work-life balance
* Please note that this position is offered within the COLIBRIX ONE. Employment will be under the appropriate legal entity based on the role and location.
Published on: 8/6/2026

Colibrix ONE
From seamless acquiring solutions to smart virtual cards and modern bank account services, COLIBRIX ONE empowers your business to manage, grow, and scale your financial operations – all in one place. Tailored, efficient, and future-ready, our tools are built to support your unique journey in the digital economy.
A broad range of services is offered: global card processing coverage, digital wallet operations around the globe, cross-border merchant accounts and payment solutions, multiple APMs support, and current corporate accounts for legal entities.
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