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(Senior) Backend Developer (m/w/d)

Köln, Nordrhein-Westfalen🌐 Remote💼 Full-time🗓 2026-05-12 → 2026-09-23

Core

Designing and implementing performant, scalable backend solutions and contributing to architecture and technology decisions.

Role type

Senior Backend Developer (PHP/Symfony)

Builds

Scalable backend services and distributed systems

Domain

Software Engineering / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

PHP 8, Symfony, distributed systems, Docker, REST APIs, CI/CD pipelines, automated testing, Kubernetes, Google Cloud Platform

Preferred skills

Java, Spring Boot

Technologies

PHP, Symfony, Docker, Kubernetes, GCP, Java, Spring Boot

Responsibilities

Develop performant and scalable backend solutions, participate in architecture and technology decisions, ensure software quality through testing and code reviews, maintain software architecture across the product lifecycle

Seniority

Senior, hands-on IC

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