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 FullStack Java Engineer in our organization brings strong software engineering expertise first, but they also bring a strong mentoring mindset to support engineering teams and work closely with our engineering leadership. SEON relies on a product-led growth approach.
Our Scoring Team is the heart of SEON. We essentially collect data and provide it to customers so they can block fraud. We’re continuously adding new data sources to improve our complex real-time analysis and enhancing the UX flow to boost their fraud preventing capabilities. This mission involves core product functions such as backend and frontend development, R&D, design, and database development.
This role offers flexibility and can be based in Budapest and offers a hybrid schedule.
WHAT YOU’LL DO:
Contribute to our Scoring team, which is an essential part of our fraud prevention solution
Deliver high-quality code with simplicity, performance, and scalability in mind
Develop database-related application features
Maintain and develop Java, SpringBoot, REST, RDBMS & backend of our applications
Maintain and develop related features in our system both on frontend and backend
Supporting, refining and suggesting improvements to the current codebase
Providing expertise, reviewing pull requests of other team members
Help during the whole Software Development Life Cycle including the design of new features and services
Supporting members of the team
Investigating issues reported from the production system
WHAT YOU’ll BRING:
5+ years of experience with TypeScript, React, HTML, CSS
2+ years experience in backend engineering (Java, Spring Boot, REST, RDBMS)
2+ years experience in cloud, preferably AWS
Agile mindset (end-to-end responsibility; you build it, you run it)
Experience working in cross-functional teams
Experience in containerization (Docker)
Some experience in continuous integration and delivery
Some knowledge of multithreading and thread safety
Familiarity with event-driven architecture
Excellent problem-solving skills
English Proficiency (C1)
Advantage: experience and motivation
to help with technical support for the customer success team
to coordinate and drive the production support activities of the engineering team
with Kubernetes
with Terraform
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.
Top Skills
What We Do
SEON is a fraud prevention firm that aims to help online businesses reduce the cost, time and challenges faced due to fraud.







