Senior PHP developer — Payments
🎯 Role Overview We’re growing the payment microservice of a fintech/iGaming platform, built on Laravel 10 / PHP 8.1, handling deposits, withdrawals, and currency management. The service integrates with 70+ payment providers and runs in a multi-brand, multi-currency, high-load environment. It’s part of a distributed platform of independent microservices communicating through dedicated SDKs. We’re looking for a backend developer to strengthen the team: onboarding new providers, evolving the core payment-processing engine, and maintaining the reliability of a business-critical service where mistakes cost real money. 👤 Our Criteria 5+ years of commercial PHP experience, confident with PHP 8.1+; Strong Laravel knowledge (Eloquent, queues, events/listeners, service container, facades, middleware); Solid MySQL: schema design, query optimization, indexing, partitioning, master/slave (read/write) splitting; Designing and integrating REST APIs, working with third-party HTTP APIs (Guzzle), handling callbacks and webhooks; Understanding of precise monetary arithmetic (bcmath; no floats in financial calculations); Experience with message queues (RabbitMQ / AMQP) for asynchronous processing; Docker and working in a containerized environment; Git, teamwork with feature branches and code review; Familiarity with design patterns (Strategy, Factory, Facade) and SOLID principles; English sufficient to read technical documentation. ⚙️ Your Tasks Onboarding and maintaining payment provider integrations (billing-class pattern + aggregator layer); Developing and supporting deposit, withdrawal, and currency-management functionality; Evolving the core payment-processing engine and multi-brand payment-system configuration; Designing database schemas and optimizing query performance; Writing clean, testable code with unit and feature test coverage (PHPUnit / Laravel Test); Following code style (** Laravel Pint**) and passing static analysis (** PHPStan**); Participating in code reviews, diagnosing and resolving production incidents; Collaborating with adjacent services through SDKs (bank, users, bonus, notifications). ⭐ Nice to Have Experience in fintech / payment systems / iGaming, familiarity with payment flows and reconciliation; Experience integrating crypto payments; Experience with multi-tenant / multi-brand architectures; Static analysis (PHPStan) and a strong automated-testing culture; Experience with distributed systems and event-driven architecture; Awareness of security and compliance requirements in payments. 💼 Our Offer Flexible work setup — work remotely or from the office, we focus on results, not location; Support for a comfortable work environment — we compensate coworking expenses and EcoFlow power stations to help our team stay productive during power outages in Ukraine; Unlimited vacation and sick leave, because we trust our people to manage their time responsibly; Relocation support for team members who want to move; Regular performance-based bonuses that reward individual and team impact; Learning support — we cover 50% of professional courses and development programs; Language & wellbeing support — we cover 50% of English classes and psychological consultations; Career growth opportunities — we prioritize internal promotions and development; Team culture that actually feels like one — regular gifts, company merch, and team events throughout the year; Real impact — we are small enough for every voice to be heard and big enough to turn great ideas into action quickly. Відгукнутись на вакансію