PHP Developer (SEON / Anti-Fraud)

<div class="content-intro"><p><strong>At WhiteTech, we empower businesses in the financial ecosystem with cutting-edge white-label and SAAS solutions.</strong></p> <p>Our comprehensive suite of tools is tailored for EMI, PSP, e-commerce, and open banking platforms. With WhiteTech, clients gain access to a platform designed for flexibility, scalability, and seamless integration.</p> <p>Our mission is to help businesses unlock their full potential in a rapidly evolving financial landscape.</p> <p>Whether scaling your PSP, enhancing your EMI services, or diving into open banking, <strong>WhiteTech is your partner for innovation and growth.</strong></p> <p><em>We are a remote-first technology company and welcome applications from candidates across Europe, including the EEA, the UK, Switzerland, and other non-EEA European countries such as Ukraine, Moldova, Georgia, Armenia, Montenegro, Turkey, and the Western Balkans. We also consider applicants from different locations who can work within Central European Time (CET).</em></p></div><h2>Your role and impact:</h2> <p>We are looking for PHP Developer with hands-on experience in anti-fraud systems and SEON integration. We expect a high level of ownership and deep technical involvement in building fraud prevention solutions.</p> <h2>Your key responsibilities will include:</h2> <ul> <li>Work with SEON as a product, not just at the API level</li> <li>Design and implement fraud detection and prevention flows</li> <li>Work with risk signals, rules, scoring, and decision-making logic</li> <li>Build and maintain anti-fraud orchestration within complex systems</li> <li>Make independent technical decisions on how and where to integrate SEON checks</li> <li>Understand the difference between simple provider integration and building a full fraud-control layer</li> </ul> <p>&nbsp;</p> <h3><strong>Requirements</strong></h3> <ul> <li>4+ years of commercial experience with PHP</li> <li>Solid hands-on experience integrating SEON into production systems</li> <li>Experience building antifraud / risk / security-related flows<br><br></li> </ul> <p><strong>Strong understanding of:</strong></p> <ul> <li>REST APIs and webhooks</li> <li>Asynchronous processing</li> <li>Queues and event-driven architecture</li> <li>Transactional consistency</li> <li>Retry / timeout / fallback patterns</li> <li>Idempotency</li> <li>Observability (logging, tracing, monitoring)</li> <li>Experience with Symfony or another modern PHP framework</li> <li>Good knowledge of SQL and transactional systems</li> <li>Ability to work with external provider documentation and turn it into production-ready solutions</li> <li>Ability to work independently in environments with incomplete requirements and complex domain logic<br><br></li> </ul> <h3><strong>SEON-Specific Experience (Required)</strong></h3> <ul> <li>Integration of SEON API into critical business flows</li> <li>Experience with transaction screening, device intelligence, and email/phone/IP enrichment</li> <li>Building logic based on SEON rules, scoring, and signals</li> <li>Working with manual review and case management flows</li> <li>Experience integrating SEON in fintech / payments / high-risk environments</li> <li>Ability to adapt SEON to different use cases beyond basic integration</li> <li>Understanding how to reduce false positives / false negatives through proper system design<br><br></li> </ul> <p><strong>Nice to Have</strong></p> <ul> <li>Experience in fintech, payments, acquiring, wallets, or payouts</li> <li>Experience integrating KYC / AML providers</li> <li>Experience building risk engines or orchestration layers</li> <li>Experience with microservices architecture</li> <li>Knowledge of DDD, CQRS, and event-driven architecture</li> <li>Experience with RabbitMQ, Kafka, or SQS</li> <li>Understanding of authentication, identity, trusted devices, and SCA / step-up verification</li> </ul> <p>&nbsp;</p> <h3>Our recruitment process typically follows these stages:</h3> <ol> <li>Application screening</li> <li>Interview Stages (2-3 weeks): <ul> <li>Prescreening call (40 min)</li> <li>Technical Interview (60 min)</li> <li>Soft Skills Interview (40 min)</li> </ul> </li> <li>Job Offer</li> </ol><div class="content-conclusion"><p><strong>We offer:</strong>&nbsp;</p> <ul> <li>Competitive compensation package (commensurate with your experience)</li> <li>19 business days of flexible Paid Time Off (PTO)</li> <li>Fully remote work with flexible hours (within the CET time zone) from any location of your choice</li> <li>Values-driven culture with a friendly and supportive work environment</li> <li>Opportunity to regularly participate in conferences and community events as both a participant and contributor</li> <li>Matrix organizational structure designed to streamline communication, remove barriers, and promote efficiency</li> </ul> <p>Embrace the opportunity to develop your skills in a cutting-edge fintech environment.</p> <p>Please apply now to be part of our dynamic team and make a tangible impact on the future of payments!</p> <p style="text-align: center;"><strong>Let’s build </strong><strong>something</strong><strong> great together!</strong></p></div>