Colibrix One

Manual AI-Assisted QA Engineer

Posted 2 Days Ago

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6 Locations

In-Office or Remote

Mid level

Fintech • Payments • Software • Financial Services

The Role

Join COLIBRIX.ONE as a Manual AI-Assisted QA Engineer focusing on fintech solutions, validating payment and wallet flows through various testing methods while leveraging AI tools for optimization and efficiency.

Summary Generated by Built In

Join COLIBRIX.ONE - Innovating the Future of Payments

At COLIBRIX.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 Manual 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 required
Working 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.

Skills Required

3+ years in QA with fintech experience
Strong understanding of API testing
Hands-on experience with Postman, Jira, TMS
Practical usage of AI tools in daily QA work
Experience writing clear bug reports and test documentation

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The Company

HQ: London

71 Employees

Year Founded: 2020

What We Do

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.