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Interzero CSG GmbH

PRODUCT SOFTWARE ENGINEER (BACK END PHP) (M/W/D)

Köln, Nordrhein-Westfalen, Germany

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hirly's read of this role

Role family
Engineering
Seniority
Mid level
Country
DE
Work mode
On-site / unstated
First seen by hirly
26 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

# WE ARE LOOKING FOR YOU AS

# PRODUCT SOFTWARE ENGINEER (BACK END PHP) (M/W/D)

# LIMITED IN COLOGNE

Interzero is one of the leading service providers in closing product, material, and logistics cycles and a pioneer in plastics recycling, operating Europe’s largest sorting capacity. Guided by the principle of “zero waste solutions,” the company supports more than 80,000 customers across Europe in the responsible handling of recyclable materials, helping them improve their sustainability performance and conserve primary resources. With around 2,000 employees, Interzero generates annual revenues of nearly one billion euros. According to Fraunhofer UMSICHT, Interzero’s recycling activities alone saved approximately 1.04 million tons of greenhouse gas emissions and 8.09 million tons of primary raw materials compared to primary production in 2024. Further information at: www.interzero.de.

## What is it about?

  • Innovation: You are motivated to transform one of the oldest industries from the ground up.
  • Development: You are responsible for the independent, goal-oriented development of complex web applications and services based on modern, lightweight architectures using PHP, SQL, JavaScript, HTML, and CSS.
  • Project Ownership: After a comprehensive onboarding phase, you take ownership of the technical implementation of innovative projects and actively contribute to the further development and maintenance of existing systems.
  • Full Stack: You develop and maintain both frontend and backend applications.
  • Focus: Your main focus is on web shop solutions (Magento) and logistics applications based on Laravel.

## Advantages:

  • Job Security: You can expect a varied, exciting, and secure role with one of the largest environmental service providers in a future-proof industry.
  • Compensation: You receive performance-based pay with a strong focus on maintaining your work-life balance.
  • Flexibility: You benefit from flexible working hours and the option to work remotely.
  • Creative Freedom: You work in an environment where ideas, initiative, and creative freedom are encouraged and supported.
  • Flat Hierarchies: You operate within flat hierarchies and quickly take on responsibility for your own tasks.
  • Collaboration: You experience a culture of collaboration and respect at eye level, both within and beyond your team.
  • Development: You have access to internal and external training and development opportunities.
  • Health: You benefit from a comprehensive health management program.
  • Benefits: You receive attractive perks such as corporate benefits, bike leasing, free drinks and fruit on-site, and coverage of the Germany ticket or an Edenred card.

## Profile:

  • Education & Experience: You have completed training as an application development specialist, a degree in computer science, or have several years of proven experience as a PHP developer.
  • Technical Skills: You possess strong knowledge of web technologies such as PHP 7, MariaDB 10, JavaScript, HTML5, and CSS3.
  • Tools & Frameworks: You have experience working with version control systems (Git) and Atlassian tools, and ideally bring initial experience with Magento 2.x and Laravel 5.x.
  • Working Style: You handle projects with a high level of accuracy and responsibility and impress with your structured and solution-oriented approach.
  • Languages: You are fluent in German, both written and spoken, and have good English skills.
  • Analytical Skills & Independence: You complement your profile with independent working skills and strong analytical thinking.

## Contact:

Yannick Bartsch

[email protected]

Original posting on Interzero CSG GmbH's site ↗

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