Note: The job is a remote job and is open to candidates in USA. WhiteTech is a remote-first technology company that empowers businesses in the financial ecosystem with innovative white-label and SaaS solutions. They are seeking a PHP Developer with hands-on experience in anti-fraud systems and SEON integration to design and implement fraud detection solutions and make technical decisions on integrating SEON checks.
Responsibilities
- 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
Skills
- 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
- Strong understanding of Asynchronous processing
- Strong understanding of Queues and event-driven architecture
- Strong understanding of Transactional consistency
- Strong understanding of Retry / timeout / fallback patterns
- Strong understanding of Idempotency
- Strong understanding of 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
- 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
- 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
Benefits
- 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
Company Overview