Backend Developer

Vor 2 Tagen

Hamburg, Hamburg, Deutschland Zellerfeld Shoe Company Zellerfeld R&D Vollzeit 60.000 € - 120.000 € pro Jahr


Your mission

Software Quality & Security
  • Write, test, and maintain high-quality, efficient, clean, reusable, and secure code.
  • Ensure software quality through comprehensive testing (unit, integration, end-to-end) and adherence to development best practices.
  • Practical knowledge of secure coding practices and relevant security standards.
  • Understanding of GDPR, data privacy standards, and best practices.
Collaboration & Communication
  • Collaborate effectively with cross-functional teams (frontend developers, DevOps engineers, software architects, product management, etc.).
  • Clearly communicate technical decisions, concepts, and approaches to diverse audiences, including non-technical stakeholders.
  • Participate in technical discussions, planning, and architecture decisions.
  • Provide mentorship, technical leadership, offer guidance, and conduct code reviews to share knowledge within the team and beyond.
Continuous Improvement & Self-Development
  • Stay current with relevant trends and technologies to continuously enhance our backend infrastructure and development practices.
  • Show initiative, reliability, and motivation in managing tasks and responsibilities autonomously.
  • Some familiarity with frontend development technologies (React, Vue, Angular) in the context of backend integration is desirable.
Main Responsibilities Overview
  • Participate in the conceptualization, development, and automated testing of scalable APIs (REST & GraphQL).
  • Participate in ongoing maintenance, monitoring, and enhancement of live software systems.
  • Provide strategic input to software architecture and infrastructure decisions to support scalability and reliability.


Your profile

Technical Skills
  • In-depth knowledge of Laravel, Laravel Nova, and PHP.
  • Experience working with Docker containers.
  • Experience with developing and integrating RESTful and GraphQL APIs.
  • Solid experience with MySQL databases, including schema design, optimization, and performance tuning.
  • Basic knowledge of version control using Git (GitLab).
  • Knowledge of microservices and monolithic architecture and applying scalability best practices.
  • Proficiency in implementing authentication and authorization strategies (JWT, OAuth).
  • Familiarity with CI/CD pipelines and automating the software deployment lifecycle.
  • Good knowledge of caching strategies, performance monitoring, debugging, and optimization tools.
  • Experience handling asynchronous processing and queues
  • Experience in Python and/or Golang programming would be beneficial.
  • Familiarity in working with the AWS cloud platform and their services is beneficial.
  • Experience in visualization and conceptualization of data flows.


Why us?

At Zellerfeld, we're revolutionizing the footwear industry with cutting-edge 3D printing technology, and we want you to be part of this transformation. Our team is made up of engineers, designers, entrepreneurs, and innovators who thrive in a collaborative environment where every voice matters. We value contrarian thinking, humility, and continuous self-improvement, fostering a culture of innovation without rigid hierarchies. Diversity and inclusion are at our core—we focus on skills and passion, not labels. By joining us, you'll help shape the future of sustainable, ethical footwear and make a lasting impact on the industry. Let's build the future together

About us

Zellerfeld is revolutionizing the footwear industry with the world's first 3D-printing technology for fully customizable shoes. Our goal is simple: printed shoes on every foot. We're a passionate team of engineers, designers, and innovators, questioning the status quo and disrupting traditional manufacturing processes. Backed by founders, influencers, and celebrities who believe in our vision, we're committed to making a lasting, positive impact—not just on the footwear industry, but on the world.

  • Backend Developer

    Vor 7 Tagen

    Hamburg, Hamburg, Deutschland Angeheuert Vollzeit 49.200 € pro Jahr

    Unser Kunde ist ein Tech-Start Up in Hamburg. Unser Auftraggeber bietet einen digitalen unabhängigen Wechselservice für Privat- und Gewerbekunden. Nach einmaliger Anmeldung kann der beste Preis bei mehreren Dienstleistungen auf dem Markt garantiert werden. Die Gründer sind als Physiker selber tief in der Materie und schätzen den fachlichen Austausch auf...

  • Senior Backend Developer

    Vor 2 Tagen

    Hamburg, Hamburg, Deutschland Angeheuert Vollzeit 5.400 € pro Jahr

    Unser Kunde ist ein Tech-Start Up in Hamburg. Unser Auftraggeber bietet einen digitalen unabhängigen Wechselservice für Privat- und Gewerbekunden. Nach einmaliger Anmeldung kann der beste Preis bei mehreren Dienstleistungen auf dem Markt garantiert werden. Die Gründer sind als Physiker selber tief in der Materie und schätzen den fachlichen Austausch auf...

  • Cloud Backend Developer

    vor 1 Woche

    Hamburg, Hamburg, Deutschland plusYOU Vollzeit 60.000 € - 80.000 € pro Jahr

    Cloud-Backend-Genie? Wir brauchen dein Know-how Cloud Backend Developer (m/w/d) für zukunftsweisende Medienprojekte in Hamburg Du bist ein Cloud - Backend-Entwickler (m/w/d) mit Charakter, Expertise und dem Wunsch, etwas Sinnvolles zu gestalten? Dann bist du hier richtigUnser Partnerunternehmen ist ein angesehener, unabhängiger deutscher Mittelständler...

  • Backend Developer

    Vor 2 Tagen

    Hamburg, Hamburg, Deutschland Berg AG Vollzeit 80.000 € - 120.000 € pro Jahr

    Die Klimaschutzziele von Paris sind nicht nur eine Imagefrage für uns. Wir reden nicht nur über die Verwirklichung dieser Ziele, wir packen gewaltig mit anInsgesamt 36% aller CO2 Emissionen in der EU und 40% des Energieverbrauches stammen aus dem Gebäude-Sektor. Wir von ETA+ haben uns die Aufgabe gestellt, unseren Beitrag zu leisten, um diese...

  • Backend Developer

    Vor 2 Tagen

    Hamburg, Hamburg, Deutschland Zellerfeld Shoe Company Zellerfeld R&D Vollzeit 60.000 € - 120.000 € pro Jahr

    Your mission We are seeking an experienced and motivated SAP S/4HANA Backend Developer to join our dynamic IT team. In this role, you'll be responsible for designing, developing, and maintaining robust and scalable solutions on the SAP S/4HANA platform. You will leverage modern ABAP programming paradigms, HANA-native capabilities, and the latest...

  • Backend Developer

    vor 1 Woche

    Hamburg, Hamburg, Deutschland justtrack Vollzeit 60.000 € - 120.000 € pro Jahr

    As a Senior Go Backend Developer you will join a team of highly committed developers, further developing our tracking platform justtrack by bringing in a lot of own ideas.At justtrack, we build a SaaS business that provides app and game publishers an attractive toolset to handle their entire global marketing growth process. Starting from managing, analyzing,...

  • Backend Developer Python

    vor 2 Wochen

    Hamburg, Hamburg, Deutschland MindPeak Vollzeit 60.000 € - 120.000 € pro Jahr

    Company OverviewMindpeak is a Hamburg-based AI company dedicated to democratizing cancer diagnostics. Our software supports pathologists in detecting cancer faster and more accurately by applying state-of-the-art deep learning to medical images. Our AI solution is the first to be implemented in clinical histopathology for primary diagnostics in the USA and...

  • Backend Developer

    Vor 2 Tagen

    Hamburg, Hamburg, Deutschland applike group Vollzeit 60.000 € - 120.000 € pro Jahr

    As a Senior Go Backend Developer you will join a team of highly committed developers, further developing our tracking platform justtrack by bringing in a lot of own ideas. At justtrack, we build a SaaS business that provides app and game publishers an attractive toolset to handle their entire global marketing growth process. Starting from managing,...

  • Python Backend Developer w/ Ai Experience

    vor 3 Stunden

    Hamburg, Hamburg, Deutschland Pinktum Vollzeit 60.000 € - 120.000 € pro Jahr

    Das machst du bei uns:You'll be the driving force behind a production-ready, fully asynchronous FastAPI-based backend RAG system that powers scalable, data-driven e-learning platforms.This role is perfect for someone who loves to design robust backend architectures and get their hands dirty building, scaling, and deploying reliable services — taking...

  • Backend Developer App

    vor 2 Wochen

    Hamburg, Hamburg, Deutschland ABOUT YOU SE & Co. KG Vollzeit 60.000 € - 120.000 € pro Jahr

    Job Description We are looking for a Backend Engineer (m/f/d) to join our App & Web team, focussing on constantly improving the App, Mobile Website and Desktop Website.You'll work on developing our backend API serving our App & Web Application. Additionally, you'll focus on hardening and optimizing the API for production, tackling technical challenges as...