Lead PHP Developer

Your role and impact:

In your role at WhiteTech, you'll be at the heart of our mission to revolutionize payments worldwide. Your expertise will be critical in analysing data, processes, and code to identify, resolve or prevent issues and drive product improvements. You will contribute to developing a secure, well-tested and high-performing product, setting new standards in the fintech industry.

Your key responsibilities will include:

• Designing, developing, testing, documenting, releasing and supporting software from scratch.
• Enhancing and refining our existing API and backend systems.
• Integrating third-party solutions to broaden our payment ecosystem (acquirer, gateway, alternative payment methods, token platforms, systems for verification/scoring/monitoring of customer operations, reporting, etc.).
• Running tests to make sure everything works as it should and setting up a testing environment for checking new features.
• Fixing existing bugs and debugging the developed software.
• Preparing necessary technical documentation.
• Provide support for the implemented software in production
• Collaborating with the front-end developers and other team members to complete all of the above tasks in the most efficient way.
• This role is about improving our products and solving problems, so we're looking for someone with excellent troubleshooting skills, curiosity for innovations and unconventional solutions.

What makes you stand out:

• Understanding of best practices for optimizing code and web products in PHP, working with caching, asynchrony. Knowledge of best practices for developing and supporting large-scale projects.
• Deep understanding of OOP
• Deep understanding of Symfony. Proficient in designing and implementing RESTful APIs using Symfony. Proficient in Doctrine ORM.
• Relational Database Management (PostgreSQL). Proficiency in optimizing complex SQL queries for performance using techniques such as query rewriting, indexing strategies, and query execution plans. 
• Proficient in designing database schemas, including normalization techniques, entity-relationship modeling, and schema design best practices.
• Understanding the inner workings of Kubernetes, Docker and its components such as Docker Engine, Docker Hub, Docker Swarm.
• Deep SOLID, GRASP understanding. Deep understanding of a broad range of design patterns, including their motivations, structures, and implementations.
• Knowledge of advanced DDD concepts such as Domain Events, Domain Services, Bounded Contexts. Ability to design a domain model for complex business problems and use it to solve real problems. Understanding the importance of application context and developing Bounded Contexts to separate domain models.
• Advanced understanding of CQRS principles and benefits, including asynchronous command processing, data synchronization between read and write models. Experience using design patterns and architectural patterns to implement an effective CQRS-based architecture.
• Advanced knowledge of professional architecture design practices. Experience de