Full-Stack Engineer

SEON is the command center for fraud prevention and AML compliance, helping thousands of companies worldwide stop fraud, reduce risk and protect revenue. Powered by 900+ real-time, first-party data signals, SEON enriches customer profiles, flags suspicious behavior and streamlines compliance workflows - all from one place. SEON provides richer data, more flexible and transparent analysis, and faster time to value than any other provider on the market. We've helped companies reduce fraud by 95% and achieve 32x ROI, and we're growing fast, thanks to our partnerships with some of the world's most ambitious digital brands like Revolut, Wise, and Bilt.

The Device Intelligence Team is expanding, and we are seeking a highly motivated and talented Full-stack Engineer ( )with a strong front-end orientation to join our innovative team. Our core products are three robust SDKs for device fingerprinting across iOS, Android, and web (JS). We are making significant investments in the geofencing domain, particularly within the US market, making this an exciting time to join our team.

This role will report to the Engineering Manager, Device Intelligence.

This role offers flexibility and is based in our Budapest office with a hybrid schedule of being in the office approximately three days per week.

What You'll Do

• Develop and maintain the front-end of our internal admin site, ensuring a user-friendly experience.
• Implement and improve user interfaces for new features and functionalities, particularly those related to our geofencing initiatives.
• Collaborate closely with product managers, designers, and other engineers to define, design, and ship new features.
• Contribute to the full development lifecycle, from concept and design to testing and deployment.
• Troubleshoot, debug, and optimize front-end and back-end components.
• Stay informed about emerging technologies and industry trends, advocating for adoption where beneficial.
• Monitor changes in browser behavior and advancements in device fingerprinting techniques.

WHAT YOU'll BRING

• Strong proficiency in TypeScript or JavaScript.
• Experience with front-end frameworks and libraries.
• Solid understanding of web development concepts and best practices.
• Familiarity with cloud platforms, specifically AWS.
• Experience with container orchestration, particularly Kubernetes.
• Proficiency with relational databases (PostgreSQL) and NoSQL databases (DynamoDB, Redis).
• Experience in API design and development, with an understanding of RESTful principles
• Fluent in spoken and written English

Amazing If You Also Have

• Extensive knowledge of internet and browser functionalities, including network protocols, browser rendering, and performance optimization.
• Any prior SDK development experience

SEON Technologies collects and processes personal data in accordance with applicable data protection laws. If you are a European Job Applicant see the privacy notice for further details.

SEON is an equal opportunity employer. We strive to embrace what makes each one of us unique; we each have our own story. Whether looking at our current staff or future team members, we believe that everyone has something to contribute, and our employment practices reflect that. We do not make an employment decision based upon race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Please let your recruiter know if you need reasonable adjustments to our recruitment process.