# PHP Developer \(SEON / Anti-Fraud\) - Company: [Whitetech]() - Location: Remote - Remote: Yes - Team: Software Development - Posted: March 24, 2026 ## Job description **At WhiteTech, we empower businesses in the financial ecosystem with cutting-edge white-label and SAAS solutions.** 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. Our mission is to help businesses unlock their full potential in a rapidly evolving financial landscape. Whether scaling your PSP, enhancing your EMI services, or diving into open banking, **WhiteTech is your partner for innovation and growth.** *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).* ## Your role and impact: 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. ## Your key responsibilities will include: * Work with SEON as a product, not just at the API level * Design and implement fraud detection and prevention flows * Work with risk signals, rules, scoring, and decision-making logic * Build and maintain anti-fraud orchestration within complex systems * Make independent technical decisions on how and where to integrate SEON checks * Understand the difference between simple provider integration and building a full fraud-control layer ### **Requirements** * 4+ years of commercial experience with PHP * Solid hands-on experience integrating SEON into production systems * Experience building antifraud / risk / security-related flows **Strong understanding of:** * REST APIs and webhooks * Asynchronous processing * Queues and event-driven architecture * Transactional consistency * Retry / timeout / fallback patterns * Idempotency * Observability (logging, tracing, monitoring) * Experience with Symfony or another modern PHP framework * Good knowledge of SQL and transactional systems * Ability to work with external provider documentation and turn it into production-ready solutions * Ability to work independently in environments with incomplete requirements and complex domain logic ### **SEON-Specific Experience (Required)** * Integration of SEON API into critical business flows * Experience with transaction screening, device intelligence, and email/phone/IP enrichment * Building logic based on SEON rules, scoring, and signals * Working with manual review and case management flows * Experience integrating SEON in fintech / payments / high-risk environments * Ability to adapt SEON to different use cases beyond basic integration * Understanding how to reduce false positives / false negatives through proper system design **Nice to Have** * Experience in fintech, payments, acquiring, wallets, or payouts * Experience integrating KYC / AML providers * Experience building risk engines or orchestration layers * Experience with microservices architecture * Knowledge of DDD, CQRS, and event-driven architecture * Experience with RabbitMQ, Kafka, or SQS * Understanding of authentication, identity, trusted devices, and SCA / step-up verification ### Our recruitment process typically follows these stages: 1. Application screening 2. Interview Stages (2-3 weeks): * Prescreening call (40 min) * Technical Interview (60 min) * Soft Skills Interview (40 min) 3. Job Offer **We offer:** * Competitive compensation package (commensurate with your experience) * 19 business days of flexible Paid Time Off (PTO) * Fully remote work with flexible hours (within the CET time zone) from any location of your choice * Values-driven culture with a friendly and supportive work environment * Opportunity to regularly participate in conferences and community events as both a participant and contributor * Matrix organizational structure designed to streamline communication, remove barriers, and promote efficiency Embrace the opportunity to develop your skills in a cutting-edge fintech environment. Please apply now to be part of our dynamic team and make a tangible impact on the future of payments! **Let’s build** **something** **great together!** ## Apply [Apply on Whitetech]() Canonical job page: