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Junior Software Developer

New

Job

  • Level
    Junior
  • Job Field
    Web, Software, Full Stack
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Cologne
  • Working Model
    Hybrid, Onsite
  • Job Summary

    In this role, you will further develop an agentic assistant for the plastic extrusion industry, enhance frontend and backend features, and integrate data sources into dialog-based user experiences.

    Job Technologies

    Your role in the team

    • We are looking for a (Junior) Software Developer (m/f/d) for our team, which is developing an intelligent assistant for the plastics extrusion industry.
    • You assist in further developing an existing agent that can access process data, understand the production context, and support operators in their daily work.
    • The focus is on developing new features, improving workflows, and translating machine, process, and production information into clear, helpful conversations.
    • You work closely with Product, Engineering, AI, and extrusion experts to develop features that help our customers diagnose problems, understand equipment behavior, explore process data, and make better operational decisions.
    • The role is ideal for someone who wants to build practical software for real industrial environments and learn quickly from users and domain experts.
    • You further develop an existing agent-based assistant for plastic extrusion.
    • You develop and improve features in the frontend and backend.
    • You expand chatbot workflows that help users access process data, production context, and expert knowledge.
    • You integrate APIs, data sources, and internal services into comprehensible, dialogue-based user experiences.
    • You improve the usability, reliability, and performance of existing product features.
    • You work closely with product, engineering, AI, and extrusion experts to translate user needs into practical software.
    • You test, debug, and maintain features in a real industrial software environment.
    • You will become familiar with the extrusion domain over time and translate this knowledge into improved product behavior.

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    Our expectations of you

    Qualifications

    • A solid foundation in software development and a curiosity to learn quickly.
    • Familiarity with APIs, HTTP, databases, and asynchronous or background processes.
    • The ability to understand existing codebases, ask good questions, and improve things step by step.
    • A pragmatic mindset: You want to build useful software that works in real customer environments.

    Experience

    • Initial experience, ideally with web applications as well as frontend and backend concepts.
    • Initial hands-on experience with a modern frontend framework such as React, Svelte, Vue, or similar technologies.
    • Basic backend experience with Elixir, Python, JavaScript, Go, or a comparable language.

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    What we offer

    • Free choice of your setup - you decide which operating system you want to work with.
    • Flexible working hours, hybrid work model, and 30 days of vacation.
    • Company events, corporate outings, and offsites.
    • Urban Sports Club membership.
    • A team that is not only technically strong but also works really well together – with plenty of creative freedom and responsibility from day one.
    • Stability through the support of a long-term oriented family business.

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    Benefits

    Work-Life-Integration

    Topics that you deal with on the job

    Job Locations

    • Location Cologne

      Nordrhein-Westfalen

      Germany

    This is your employer

    Reifenhäuser Gruppe

    Reifenhäuser Gruppe

    The Reifenhäuser Group, a traditional family-owned business based in Troisdorf, has been providing customized systems and components for plastic extrusion since 1911. With around 1,650 employees and a significant export share, it is one of the leading providers in the industry, offering solutions for the production of blown films, cast films, and nonwovens.

    Description

  • Company Type
    Established Company
  • Working Model
    Hybrid, Onsite
  • Industry
    Industry, Production
  • Logo Reifenhäuser Gruppe

    Junior Software Developer

    Location
    Cologne
    Working Model
    Hybrid, Onsite
    Diversity
    Open for all genders

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