Senior PHP Full Stack Developer

Developex is looking for an experienced Senior Full Stack PHP Developer to join the Ukrainian team and work in close collaboration with the client's team in the United States.

Our client is a company developing a cloud-based POS system for retail businesses, which helps companies manage sales, inventory, payments, and customer data in a single platform and scale from a single store to multi-location operations.
Requirements

+ Experience with PHP (7.4+)

+ Strong knowledge of TypeScript / JavaScript

+ Experience in backend development and REST API design

+ Practical experience with relational databases

+ SQL query writing and optimization

+ Understanding of indexing and transactions

+ Commercial experience working with large and complex legacy codebases

+ Strong understanding of OOP principles

+ Knowledge and application of SOLID, DRY, KISS principles

+ Experience with code refactoring