Senior Exploratory QE Engineer

About Enfuce : Founded in 2016, Enfuce is a female-founded and led global payments partner solving payments complexity for ambitious brands, banks and fintech leaders. Born in the Nordics and built for the world, Enfuce combines deep payments expertise with cloud-native technology to help customers launch and scale with confidence. Enfuce is a strategic issuing and licensing partner delivering premium, flexible payment programmes across consumer, commercial and B2B use cases. Built for fast launch and trusted scale, Enfuce designs, launches and runs card programmes supporting debit, credit, prepaid, fleet and fuel propositions, alongside digital wallets and card scheme connectivity. Enfuce combines cloud-native issuing, embedded compliance and fraud intelligence to deliver velocity with control. Its modular technology and in-house expertise enable customers to create tailored payment solutions that are flexible, scalable and secure. As a regulated payments partner, Enfuce holds Electronic Money Institution licences from both the Finnish Financial Supervisory Authority and the UK Financial Conduct Authority and is a principal member of Visa and Mastercard. Its PCI-DSS-certified, cloud-native platform is designed for enterprise-grade reliability and global scalability, with 99.999% platform uptime. Enfuce has raised €73.5 million in funding and has received industry recognition including Fintech of the Year and Best ESG Campaign at the 2024 European Fintech Awards. About The Role: We're looking for a Senior Exploratory QE Engineer to strengthen how we find risk before our customers do. This is not a scripted test-case role. You'll use structured exploratory testing, charter-based sessions and deep product intuition to probe our card issuing and payment processing platform for the failure modes that automated suites and requirements documents miss: edge cases in transaction flows, race conditions, state corruption, security gaps and usabilitybreakdowns. You'll work clo