Lead PHP Developer

Stack

Responsibilities

• ▹Design, develop, test, document, release, and support software from scratch
• ▹Enhance and refine the existing API and backend systems
• ▹Integrate third-party solutions (acquirer, gateway, alternative payment methods, token platforms, verification/scoring systems, reporting)
• ▹Run tests and set up testing environments for new features
• ▹Fix existing bugs and debug the developed software
• ▹Prepare necessary technical documentation
• ▹Support the implemented software in production
• ▹Collaborate with front-end developers and other team members

Requirements

• ▹Best practices for optimizing PHP code and web products, caching, asynchrony
• ▹Knowledge of developing and supporting large-scale projects
• ▹Deep understanding of OOP
• ▹Deep understanding of Symfony; proficient in designing and implementing RESTful APIs with Symfony
• ▹Proficient in Doctrine ORM
• ▹Relational database management (PostgreSQL)
• ▹Optimizing complex SQL queries (query rewriting, indexing strategies, execution plans)
• ▹Designing database schemas, normalization, entity-relationship modeling
• ▹Understanding of Kubernetes and Docker internals (Docker Engine, Docker Hub, Docker Swarm)
• ▹Deep understanding of SOLID, GRASP, and design patterns
• ▹Advanced DDD concepts (Domain Events, Domain Services, Bounded Contexts)
• ▹Ability to design a domain model for complex business problems

Soft skills

About the company

WhiteTech is a remote-first fintech company building white-label and SaaS solutions for EMI, PSP, e-commerce, and open banking platforms, welcoming applicants from EU and non-EU European countries.