php developer in fintech

WhiteTech provides white-label and SaaS solutions for businesses in the financial ecosystem, including EMI, PSP, e-commerce, and open banking platforms. Its platform is designed for flexibility, scalability, and seamless integration, supporting payment products and services worldwide.

• Design, develop, test, document, release, and support software from scratch;
• Enhance and refine existing API and backend systems;
• Integrate third-party solutions into the payment ecosystem, including acquirers, gateways, alternative payment methods, token platforms, verification, scoring, monitoring, and reporting systems;
• Run tests and set up testing environments for new features;
• Fix bugs and debug developed software;
• Prepare technical documentation;
• Support implemented software in production;
• Collaborate with front-end developers and other team members;
• Analyze data, processes, and code to identify, resolve, or prevent issues and improve products.

• Strong knowledge of PHP code and web product optimization, including caching and asynchronous processing;
• Knowledge of best practices for developing and supporting large-scale projects;
• Deep understanding of OOP, Symfony, SOLID, GRASP, and design patterns;
• Experience designing and implementing RESTful APIs with Symfony;
• Proficiency in Doctrine ORM;
• Proficiency with PostgreSQL and complex SQL query optimization using query rewriting, indexing strategies, and execution plans;
• Experience designing database schemas, including normalization and entity-relationship modeling;
• Understanding of Kubernetes and Docker, including Docker Engine, Docker Hub, and Docker Swarm;
• Advanced knowledge of DDD, including Domain Events, Domain Services, and Bounded Contexts;
• Ability to design domain models for complex business problems and separate domain models using Bounded Contexts;
• Advanced understanding of CQRS, including asynchronous command processing and synchronization between read and write models;
• Experience implementing CQRS-based architectures with design and architectural patterns;
• Advanced knowledge of architecture design practices and experience designing complex, large-scale systems;
• Ability to define and document architectural solutions and address system complexity and scalability;
• Advanced knowledge of PHP integration test automation tools and libraries, including PHPUnit, Codeception, and Behat;
• Ability to design and structure integration tests for large systems with many interacting components;
• Knowledge of setting up test environments and managing dependencies for integration testing;
• Advanced knowledge of Event Sourcing system development and deployment;
• Ability to design scalable Event Sourcing application architectures;
• Advanced knowledge of microservices design and deployment, including configuration management, monitoring, and logging;
• Advanced knowledge of Jenkins, including parameterization, plugins, and additional tools;
• Excellent troubleshooting skills, curiosity about innovation, and ability to find unconventional solutions;
• Nice to have: Ukrainian or Russian conversational proficiency.

• Fully remote work with flexible hours within the CET time zone from any location of choice;
• 19 Business days of flexible paid time off;
• Competitive compensation package commensurate with experience;
• Friendly and supportive work environment;
• Regular opportunities to participate in conferences and community events as a participant and contributor;
• Matrix organizational structure.