Senior PHP Developer (Inbound) - CZ/PL
Core
Design and implement high-concurrency, mission-critical warehouse logic and distributed systems for a logistics platform processing up to 100,000 orders per day.
Role type
Senior IC PHP Developer (Inbound)
Builds
A REST-like API connecting suppliers, merchants, carriers, and autonomous warehouse robots/conveyors.
Domain
Logistics / E-commerce fulfillment / High-scale distributed systems
Required skills
PHP 8.5, Symfony, Doctrine ORM, MySQL, SQL optimization, Docker, Kubernetes, Argo CD, GitLab CI, PHPStan, PHPUnit, DataDog, Sentry, Opsgenie, race condition handling, HA/failover design, autoscaling
Preferred skills
Domain-driven architecture, open-source contribution, deep work/async communication
Technologies
PHP 8.5, Symfony 7.4, Doctrine ORM 3, MySQL 8, Docker, AWS, Kubernetes, Argo CD, GitLab CI, PHPStan, PHPUnit, DataDog, Sentry, Opsgenie, Asana
Responsibilities
Design technical architecture for high-concurrency warehouse logic; Optimize SQL queries for terabyte-scale databases; Implement HA, failover, and autoscaling for critical services; Participate in strict two-round code reviews; Contribute to open-source tools.
Seniority
Senior, hands-on IC
