AI-Assisted QA Engineer

Colibrix One; Barcelona; Híbrido; EUR 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible work arrangements

Competitive salary

Continuous learning and development

Collaborative team culture

Descripción de la vacante

COLIBRIX.ONE is seeking an experienced QA Engineer with fintech and AI-assisted testing expertise. You will validate complex payment, wallet, and card flows through manual, API, integration, and regression testing while leveraging AI tools to improve coverage and efficiency.

Join a fast-growing team focused on security, scalability, and innovation in a collaborative, flexible work environment with competitive compensation.

Formación

• 3+ years in QA with fintech exposure (payments, banking, e-money, crypto)
• Strong API testing and client-server integration testing skills
• Hands-on with Postman, Swagger, Jira, Confluence, and TMS tools
• Practical use of AI tools for QA tasks and test design
• Ability to create clear bug reports and structured test docs

Responsabilidades

• Perform manual testing across active releases (feature acceptance, smoke, regression)
• Test API flows and validate service integrations
• Create and maintain regression suites (QASE, TestRail, Zephyr)
• Leverage AI tools to generate test scenarios and analyze requirements
• Conduct release verification for payments, wallets, cards, and crypto flows
• Support automation QA by validating regression results and triaging failures
• Participate in audit-related QA activities as needed

Conocimientos

API testing

Manual testing

AI-assisted testing

Regression testing

Test design

Bug reporting

Fintech domain

Herramientas

Postman

Swagger

Jira

Confluence

QASE/TestRail/Zephyr

Descripción del empleo

Join COLIBRIX.ONE - Innovating the Future of Payments

AtCOLIBRIX.ONE*, we’re building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed EMI (FCA reference number 927920) and a Principal Member of Mastercard, we offer real-world financial solutions that include:

• Global card processing


• Digital wallet infrastructure


• Cross-border merchant accounts


• Alternative payment methods (APMs)


• Corporate accounts for legal entities

We’re a fast-growing team with a passion for innovation, security, and scalability. Our culture values curiosity, collaboration, and impact - and we’re looking for talented professionals who are ready to shape the future of fintech.

About the role:

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.

Tech stack:

Python, Playwright, Jira,TestRail/ Zephyr/ QASE, GitLab, Claude Code, ChatGPT.

Responsibilities:

• 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 requiredWorking with urgent business delivery tasks in fast-changing environments

Requirements:

• 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

Nice to Have:

• Experience with SEPA, IBAN, card processing (Visa/Mastercard schemes)


• Familiarity with crypto-to-fiat flows


• Familiarity with PCI DSS

What we offer:

• 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.