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:

Application screening
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!

PHP Developer (SEON / Anti-Fraud)

EMEA

Remote

Mid-level

WhiteTech