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# Qa Engineer (Manual) For Payment Infrastructure

- **Company:** Enfint
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Static Program Analysis, Code Coverage, Code Review, Continuous Integration, Load Testing, Reliability Engineering, Software Engineering, Event Driven Architecture, Containerization, Restful APIs
- **Published:** September 13, 2026
- **Apply:** https://www.buscojobs.com.es/qa-engineer-manual-for-payment-infrastructure-en-barcelona-ID-372599989

## About the Role

5+ Years in software engineering with a strong focus on quality and testing, including equivalence partitioning, boundary analysis, and risk-based prioritisation;
Proficiency in Go or strong willingness to learn;
Daily use of AI assistants with the ability to identify incorrect outputs and determine when not to use them;
Experience testing RESTful APIs and event-driven systems;
Familiarity with CI/CD pipelines, containerisation, and infrastructure-as-code;
Strong analytical thinking with the ability to trace bugs back to specifications

## Description

????????Cross River builds infrastructure for financial products, powering payments, cards, lending, and digital asset capabilities for fintechs, enterprises, and other innovators.??????Design and implement layered quality sensors across the CI/CD pipeline, from static analysis to AI-driven code review passes;Improve and maintain E2E test suites for critical payment flows, including card authorisation, clearing and settlement, tokenisation, and 3D Secure;Review PRs for test intent alignment and ensure AI-authored and human-authored code meets the same quality bar;Identify test coverage gaps and prioritise them by customer impact and regulatory exposure;Build load testing and performance validation frameworks;Collaborate with the team on quality strategy and raise the quality bar;Explore chaos engineering approaches to validate system resilience;Contribute to audit-trail practices by ensuring generated diffs and suppressed checks are traceable and defensible.??????????5+ Years in software engineering with a strong focus on quality and testing, including equivalence partitioning, boundary analysis, and risk-based prioritisation;Proficiency in Go or strong willingness to learn;Daily use of AI assistants with the ability to identify incorrect outputs and determine when not to use them;Experience testing RESTful APIs and event-driven systems;Familiarity with CI/CD pipelines, containerisation, and infrastructure-as-code;Strong analytical thinking with the ability to trace bugs back to specifications;???????Relocation support is not specified.#J-*****-Ljbffr


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