[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Wise · Budapest, Hungary # Fullstack Engineer - Scam Prevention Budapest, Hungary Full-time Operations Listed on Wise’s official careers site. Posted October 20, 2026. Check that it is still open and apply there. [Apply on Wise’s careers site →](https://jobs.smartrecruiters.com/Wise/744000156541999-fullstack-engineer-scam-prevention) [OpenNash Jobs](https://jobs.opennash.com/) / [Wise](https://jobs.opennash.com/companies/wise/) / Fullstack Engineer - Scam Prevention ## Job description ### About the role Join us as a Software Engineer in our critical Scam Prevention team. This is a high-impact engineering role with a strong product focus, dedicated to solving complex, real-world adversarial problems to directly protect our global customer base. ### How we work The Scam Prevention Team The Scam Prevention team is on the front lines, dedicated to safeguarding our platform against sophisticated financial crime. We leverage cutting-edge machine learning, real-time transaction monitoring, and advanced data analysis to create robust controls and detection capabilities. Our vision is to build a globally scalable fraud prevention engine that protects customer accounts, prevents scams, and consistently surpasses regulatory expectations. What will you be working on?: This defining role involves continuously improving our financial crime prevention infrastructure and systems. You will deliver a direct, measurable impact on customer security by taking end-to-end ownership of projects focused on: Building and refining critical controls to prevent Wise customers from scams. Drive Backend and Frontend for our scam prevention and detection systems - You will be working 80% of the time on a backend and 20% on the frontend You will be delivering a tangible, real-world impact by securing customers' money, accelerating product growth by raising automation levels, and helping us engineer a world-class money transfer product. ## Qualifications What do you need?: Engineering Expertise: Professional experience with Java or other JVM-based languages, including the Spring framework. Experience building and designing scalable web applications that handle large amounts of traffic - ideally using React based frontend applications, Javascript / Typescript. ### System Design & Operation Proven experience designing and operating CI/CD pipelines, Distributed, and Concurrent Systems. ### Product Ownership A strong product mindset, accountability, and the ability to drive projects independently, making data-driven decisions with the customer in mind. ### Data Proficiency Experience with relational and non-relational databases, including query optimisation and designing resilient schemas. ### Code Quality Exceptional fundamentals, sharp problem-solving ability, and a commitment to Test Driven Development and best coding practices. ### Collaboration Excellent communication skills to articulate complex technical concepts across teams (Product, Data Science, Investigations). ### Nice to Have Familiarity with the machine learning lifecycle (data pipelines, feature engineering, and deploying ML systems into production). ## At a glance - Posted by the employer: Oct 20, 2026 - First seen by OpenNash: Oct 25, 2026 - Last checked: Nov 8, 2026 - Listed for: 19 days - Location: Budapest, Hungary - Employment type: Full-time[Apply on Wise’s careers site →](https://jobs.smartrecruiters.com/Wise/744000156541999-fullstack-engineer-scam-prevention) ## Hiring at Wise - Open jobs: 409 - New in the last 7 days: 36 - Tracked since: Jul 16, 2026 [All Wise jobs](https://jobs.opennash.com/companies/wise/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Wise ### [FinCrime Operations Team Lead (AML Investigations)](https://jobs.opennash.com/companies/wise/jobs/0525f4802ca594578657/) Budapest, Hungary ### [Fincrime Operations Investigator - Fraud](https://jobs.opennash.com/companies/wise/jobs/f3a684023e6000285152/) Budapest, Hungary ### [Head of KYC Operations - EMEA](https://jobs.opennash.com/companies/wise/jobs/ad5dabb6235422939f06/) Budapest, Hungary ### [KYC Operations Associate Analyst - Business](https://jobs.opennash.com/companies/wise/jobs/a0d5c3621ffc6284d565/) Budapest, Hungary ### [Privacy Operations Lead](https://jobs.opennash.com/companies/wise/jobs/a78f3f0f09247e3cc0c9/) Budapest, Hungary ## Similar jobs at other companies ### [Fraud Scam Prevention Analyst](https://jobs.opennash.com/companies/anz-group-holdings/jobs/8d6253aa84310784c51e/) ANZ Group Holdings · Melbourne, AU ### [Fraud Scam Prevention Specialist](https://jobs.opennash.com/companies/anz-group-holdings/jobs/474f540ed2172589ac28/) ANZ Group Holdings · Melbourne, AU ### [Fullstack Engineer](https://jobs.opennash.com/companies/lenovo-group/jobs/08054cd5afe460613888/) Lenovo Group · Romania, Bucharest ### [FullStack Engineer with Python&React](https://jobs.opennash.com/companies/ntt/jobs/06c1dafd786e27407c25/) NTT · Brasov, Romania ### [Software Engineer Fullstack](https://jobs.opennash.com/companies/mercadolibre/jobs/38542d8bb9b5454a48e5/) MercadoLibre · Buenos Aires, Argentina OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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