bluedoor data·Job Postings API·bluedoor.sh ↗

HomeCompaniesZellerfeldBackend Developer

Backend Developer

Zellerfeld · Hamburg · Deleted · Personio

Job facts

FieldValue
CompanyZellerfeld
TitleBackend Developer
Normalized title-
Department / teamSoftware Development / Permanent Employee
LocationHamburg
Work model-
Employment typeFull Time
Salary-
Statusdeleted
ATS providerPersonio
Posted / first seen2025-02-28 / 2026-05-30
Changed / last seen2026-06-04 / 2026-06-02

Related slices

PageWhat it containsOpen
Company jobsActive postings from Zellerfeld.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Personio.Open
Provider filtered searchThe same provider as a filtered job collection.Open
Department jobsActive postings in Software Development.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyZellerfeld
Sourceb1cbec90-c3ad-42de-b72c-a7521edd7996
ATS providerPersonio

Description

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!

Full job record

Job ID0022969cee579e0ca5183be382834eacf276ebf5
Org ID8ae2b7f6-dc93-460c-90c9-49a8dc134fec
Source IDb1cbec90-c3ad-42de-b72c-a7521edd7996
Board IDb1cbec90-c3ad-42de-b72c-a7521edd7996
Providerpersonio
Provider Job Key1998009
TitleBackend Developer
Normalized Title
Statusdeleted
Activeno
Location TextHamburg
DepartmentSoftware Development
TeamPermanent Employee
Employment Typefull_time
Workplace Type
Remote Policy
CountryHamburg
Region
City
Salary Raw
Salary Min
Salary Max
Salary Currency
Salary Period
Source URLhttps://zellerfeld.jobs.personio.com/job/1998009?language=en
Apply URLhttps://zellerfeld.jobs.personio.com/job/1998009?language=en
First Seen At2026-05-30 06:02:25Z
Last Seen At2026-06-02 10:16:54Z
Last Checked At2026-06-04 11:50:24Z
Last Changed At2026-06-04 11:50:24Z
Inactive At2026-06-04 11:50:24Z
Source Posted At2025-02-28 22:31:48Z
Source Updated At
Raw Payload Uris3://bluework-jobs-prod-raw-590183727216/raw/provider=personio/board=zellerfeld.com/date=2026-06-02/2026-06-02T10-16-53-645Z-95b1c45b9982aaff80612dc6757db751825369b9d2c0016a41b52ff92c5f7a0b.json
Event Fields
{
  "content_hash": "490f8cb6d8616179e66232067daaadee0c85f52d57fc1be3ec23f19ebc999727",
  "source_hash": "a35ef333bf3e10cea71722cdcd6cef1ee0ccef964b7082de9bd26321131f8c2b",
  "last_changed_at": "2026-06-04T11:50:24.272Z",
  "active_status": "deleted"
}
Parsed Structured
{
  "language": "en",
  "location": {
    "raw": "Hamburg",
    "city": null,
    "region": null,
    "country": "Hamburg",
    "is_remote": false,
    "confidence": 0.8
  },
  "salary_max": null,
  "salary_min": null,
  "inferred_at": "2026-06-02T10:16:54.407Z",
  "launch_scope": {
    "reason": "personio_production_catalog",
    "included": true,
    "location": {
      "raw": "Hamburg",
      "city": null,
      "region": null,
      "country": "Hamburg",
      "is_remote": false,
      "confidence": 0.8
    },
    "countries": [
      "Hamburg"
    ]
  },
  "remote_policy": null,
  "salary_period": null,
  "workplace_type": null,
  "salary_currency": null
}
Extensions
{}
Native Structured
{
  "id": "1998009",
  "name": "Backend Developer",
  "office": "Hamburg",
  "keywords": [],
  "schedule": "full-time",
  "createdAt": "2025-02-28T22:31:48+00:00",
  "seniority": "experienced",
  "department": "Software Development",
  "occupation": "software_and_web_development",
  "subcompany": null,
  "employmentType": "permanent",
  "jobDescriptions": [
    {
      "name": "Your mission",
      "value": "Software Quality & Security<br><ul><li>Write, test, and maintain high-quality, efficient, clean, reusable, and secure code.</li><li>Ensure software quality through comprehensive testing (unit, integration, end-to-end) and adherence to development best practices.</li><li>Practical knowledge of secure coding practices and relevant security standards.</li><li>Understanding of GDPR, data privacy standards, and best practices.</li></ul><br>Collaboration & Communication<br><ul><li>Collaborate effectively with cross-functional teams (frontend developers, DevOps engineers, software architects, product management, etc.).</li><li>Clearly communicate technical decisions, concepts, and approaches to diverse audiences, including non-technical stakeholders.</li><li>Participate in technical discussions, planning, and architecture decisions.</li><li>Provide mentorship, technical leadership, offer guidance, and conduct code reviews to share knowledge within the team and beyond.</li></ul><br>Continuous Improvement & Self-Development<br><ul><li>Stay current with relevant trends and technologies to continuously enhance our backend infrastructure and development practices.</li><li>Show initiative, reliability, and motivation in managing tasks and responsibilities autonomously.</li><li>Some familiarity with frontend development technologies (React, Vue, Angular) in the context of backend integration is desirable.</li></ul><br>Main Responsibilities Overview<br><ul><li>Participate in the conceptualization, development, and automated testing of scalable APIs (REST & GraphQL).</li><li>Participate in ongoing maintenance, monitoring, and enhancement of live software systems.</li><li>Provide strategic input to software architecture and infrastructure decisions to support scalability and reliability.</li></ul>"
    },
    {
      "name": "Your profile",
      "value": "Technical Skills<br><ul><li>In-depth knowledge of Laravel, Laravel Nova, and PHP.</li><li>Experience working with Docker containers.</li><li>Experience with developing and integrating RESTful and GraphQL APIs.</li><li>Solid experience with MySQL databases, including schema design, optimization, and performance tuning.</li><li>Basic knowledge of version control using Git (GitLab).</li><li>Knowledge of microservices and monolithic architecture and applying scalability best practices.</li><li>Proficiency in implementing authentication and authorization strategies (JWT, OAuth).</li><li>Familiarity with CI/CD pipelines and automating the software deployment lifecycle.</li><li>Good knowledge of caching strategies, performance monitoring, debugging, and optimization tools.</li><li>Experience handling asynchronous processing and queues</li><li>Experience in Python and/or Golang programming would be beneficial.</li><li>Familiarity in working with the AWS cloud platform and their services is beneficial.</li><li>Experience in visualization and conceptualization of data flows.</li></ul>"
    },
    {
      "name": "Why us?",
      "value": "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!"
    }
  ],
  "occupationCategory": "it_software",
  "recruitingCategory": "Permanent Employee"
}
Get this page with API

Rendered from the bluedoor Job Postings API. Reproduce it:

GET https://api.bluedoor.sh/job-postings/v1/jobs/0022969cee579e0ca5183be382834eacf276ebf5?include=descriptionJSON
GET https://api.bluedoor.sh/job-postings/v1/orgs/8ae2b7f6-dc93-460c-90c9-49a8dc134fecJSON
GET https://api.bluedoor.sh/job-postings/v1/sources/b1cbec90-c3ad-42de-b72c-a7521edd7996JSON
GET https://api.bluedoor.sh/job-postings/v1/jobs/0022969cee579e0ca5183be382834eacf276ebf5/eventsJSON