Senior Software Engineer (ID Verification Team)

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. A Senior Software Engineer in our organization brings strong software engineering expertise first but also comes with a strong mentoring mindset to support engineering teams and work closely with our engineering leadership. SEON relies on a product-led growth approach. Join our ID Verification Team, responsible for a vital and growing product within SEON. We own the development of our ID verification services, encompassing multiple backend components, SDKs, and the relevant parts of our customer-facing platforms. As we evolve our currently beta product into a core part of SEON's fraud analysis suite, we are focused on continuous feature delivery and exploring innovative improvements to enhance our customers' fraud prevention workflows. Our work spans frontend development (React-based SDK and admin dashboard), backend and Lambda functions (Node.js), database design (Postgres + pgvector), and architecting solutions for intricate technical problems. This role offers flexibility and is based in our Budapest office with a hybrid work schedule. WHAT YOU’LL DO: - Contribute to our ID Verification team, which is growing to be an essential part of our fraud prevention solution - Deliver high-quality NodeJS, TypeScript and React code with simplicity, performance, and scalability in mind - Work together with the team to design and im