Software Engineer - Backend (m/w/d)
Core
Building stable, scalable backend systems and modernizing application architecture for a European loyalty solutions platform.
Role type
Backend Software Engineer
Builds
High-performance backend services and scalable system architectures
Domain
Fintech / Loyalty Programs / E-commerce
Deliverable
production ML models | product features | infrastructure
Required skills
PHP, relational database design, software architecture, REST API design, containerization
Preferred skills
Laravel, Symfony, performance optimization, system design, AI coding tools
Technologies
PHP, MariaDB, Laravel, Symfony, Docker, Claude Code, OpenAI Codex
Responsibilities
Develop and maintain backend systems using modern PHP technologies, implement requirements into scalable architectures, collaborate with frontend teams to create holistic solutions, optimize existing processes and system landscapes, ensure code quality and performance, establish modern development standards and workflows.
Seniority
Entry to Mid-level, hands-on IC