Posted today · be early
PHP Developer (SEON / Anti-Fraud)
WhiteTech
WorldwideremotePosted today
Skill Required
PHP-DeveloperBackend-EngineerFraud-Detection-SpecialistFintech-DeveloperSoftware-EngineerPHP-Symfony-DeveloperPHP-Software-EngineerPHP-EngineerDeveloperPHP DeveloperPHPSystem DesignMicroservicesObservabilityRabbitMQsecuritybuildingfintechLaraveldesignKafkaDesign PatternsAPIsSQLandFulltime
Key highlights
- 4+ years of PHP experience required
- Must have SEON integration experience
- Fully remote (CET time zone)
- 19 business days flexible PTO
Role overview
At WhiteTech, we empower businesses in the financial ecosystem with cutting-edge white-label and SAAS solutions tailored for EMI, PSP, e-commerce, and open banking platforms. We are looking for a PHP Developer with hands-on experience in anti-fraud systems and SEON integration who can take high level of ownership and deep technical involvement in building fraud prevention solutions.
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
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
- 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
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
Benefits
- 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
Additional details
- 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).
- Our recruitment process typically follows these stages: Application screening, Prescreening call (40 min), Technical Interview (60 min), Soft Skills Interview (40 min), Job Offer
- Originally posted on Himalayas
