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Fullstack Developer - Shopify

Zellerfeld · Hamburg · Active · Personio

Job facts

Field	Value
Company	Zellerfeld
Title	Fullstack Developer - Shopify
Normalized title	-
Department / team	Software / Permanent Employee
Location	Hamburg
Work model	-
Employment type	Full Time
Salary	-
Status	active
ATS provider	Personio
Posted / first seen	2026-06-02 / 2026-06-03
Changed / last seen	2026-06-03 / 2026-06-18

Related slices

Page	What it contains	Open
Company jobs	Active postings from Zellerfeld.	Open
Company breakdowns	Role, location, ATS, and work model facets for this company.	Open
ATS provider jobs	Active postings observed through Personio.	Open
Provider filtered search	The same provider as a filtered job collection.	Open
Department jobs	Active postings in Software.	Open
Lifecycle events	Open, update, close, and reopen events for this posting.	Open
Original posting	Canonical source or apply URL captured from the ATS.	Open

Linked records

Company	Zellerfeld
Source	b1cbec90-c3ad-42de-b72c-a7521edd7996
ATS provider	Personio

Description

Your mission You'll be our go-to Shopify expert, pushing the boundaries of what the platform can do to build the world's most advanced on-demand manufacturing experience. From custom app development and theme architecture to deep API integrations with our production systems, your work will transform our Shopify store into the central operating system behind Zellerfeld's vision of sustainable, custom-fit footwear. You'll own the platform end-to-end — shaping both its technical foundation today and its headless future tomorrow. What you'll do Build and maintain custom Shopify Apps that power our on-demand manufacturing, foot-scanning, and recycling programs Architect and develop our Shopify theme using Liquid, JSON templates, and modern JavaScript Design integrations between Shopify Plus and our manufacturing systems, ERP, and logistics partners Define the platform's data architecture — Metafields, Metaobjects, and the structures that hold a non-standard product model together Research and prototype a headless architecture as the next step in the platform's evolution Use Shopify Functions and Flow to customize checkout logic and automate operational workflows Monitor and optimize Core Web Vitals, speed, and conversion across the storefront Mentor other developers and establish Shopify best practices as the team grows Your profile Required : Proven ability to build, deploy, and maintain custom Shopify Apps from scratch — including Shopify CLI, OAuth, and webhooks Deep theme development expertise: Liquid, Sections, Blocks, JSON templates, and modern JS for interactive experiences Expert-level work with Shopify's APIs — both Storefront (GraphQL) and Admin (REST and GraphQL) Strong React, JavaScript/TypeScript, and modern HTML/CSS fundamentals Architectural judgment: knowing when to reach for a theme change, a custom app, a Function, or a headless build Headless frameworks (Next.js, Remix, or Shopify's Hydrogen/Oxygen) Nice to have: Hands-on experience with Metafields and Metaobjects for complex product/content modeling Shopify Functions and Flow in production CI/CD setup and management Performance tooling (Lighthouse, WebPageTest, browser profiling) Experience integrating Shopify with manufacturing systems, ERP, or fulfillment platforms Why us? At Zellerfeld, you will find a multidisciplinary team of engineers, SW and HW specialists, entrepreneurs, designers, and students with a common passion. We embrace contrarian thinking, humility, pushing limits, and improving ourselves. We utilize a flat hierarchy, and we want your voice to be heard. We also care about bonding because we want to be a tight-knit community, so be prepared to spend quality time with everyone, including the CEO! As a company specializing in both hardware and software, we value close collaboration within our team. Therefore, we are seeking candidates who can join us at our office in Hamburg.

Full job record

Job ID	e3c04c9197d041395101ba9a20b1a373f5cbb3a7
Org ID	8ae2b7f6-dc93-460c-90c9-49a8dc134fec
Source ID	b1cbec90-c3ad-42de-b72c-a7521edd7996
Board ID	b1cbec90-c3ad-42de-b72c-a7521edd7996
Provider	personio
Provider Job Key	2655030
Title	Fullstack Developer - Shopify
Normalized Title	—
Status	active
Active	yes
Location Text	Hamburg
Department	Software
Team	Permanent Employee
Employment Type	full_time
Workplace Type	—
Remote Policy	—
Country	Hamburg
Region	—
City	—
Salary Raw	—
Salary Min	—
Salary Max	—
Salary Currency	—
Salary Period	—
Source URL	https://zellerfeld.jobs.personio.com/job/2655030?language=en
Apply URL	https://zellerfeld.jobs.personio.com/job/2655030?language=en
First Seen At	2026-06-03 12:36:26Z
Last Seen At	2026-06-18 07:51:49Z
Last Checked At	2026-06-18 07:51:49Z
Last Changed At	2026-06-03 12:36:26Z
Inactive At	—
Source Posted At	2026-06-02 16:05:48Z
Source Updated At	—
Raw Payload Uri	s3://job-postings-prod-raw-590183727216/raw/provider=personio/board=zellerfeld.com/date=2026-06-18/2026-06-18T07-51-48-138Z-c95f40de0bce7549b5142c84a436d761d6b349b06b6c9b26a3d2e9b4fb0b1144.json

Event Fields

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  "last_changed_at": "2026-06-03T12:36:26.079Z",
  "active_status": "active"
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Parsed Structured

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Extensions

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Native Structured

{
  "id": "2655030",
  "name": "Fullstack Developer - Shopify",
  "office": "Hamburg",
  "keywords": [],
  "schedule": "full-time",
  "createdAt": "2026-06-02T16:05:48+00:00",
  "seniority": "experienced",
  "department": "Software",
  "occupation": "software_and_web_development",
  "subcompany": null,
  "employmentType": "permanent",
  "jobDescriptions": [
    {
      "name": "Your mission",
      "value": "<p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">You'll be our go-to Shopify expert, pushing the boundaries of what the platform can do to build the world's most advanced on-demand manufacturing experience. From custom app development and theme architecture to deep API integrations with our production systems, your work will transform our Shopify store into the central operating system behind Zellerfeld's vision of sustainable, custom-fit footwear. You'll own the platform end-to-end — shaping both its technical foundation today and its headless future tomorrow.</span></p>"
    },
    {
      "name": "What you'll do",
      "value": "<ul style=\"margin-top:0;margin-bottom:0;\"><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Build and maintain custom Shopify Apps that power our on-demand manufacturing, foot-scanning, and recycling programs</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Architect and develop our Shopify theme using Liquid, JSON templates, and modern JavaScript</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Design integrations between Shopify Plus and our manufacturing systems, ERP, and logistics partners</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Define the platform's data architecture — Metafields, Metaobjects, and the structures that hold a non-standard product model together</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Research and prototype a headless architecture as the next step in the platform's evolution</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Use Shopify Functions and Flow to customize checkout logic and automate operational workflows</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Monitor and optimize Core Web Vitals, speed, and conversion across the storefront</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Mentor other developers and establish Shopify best practices as the team grows</span></p></li></ul>"
    },
    {
      "name": "Your profile",
      "value": "<p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">Required</span><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">:</span></p><ul style=\"margin-top:0;margin-bottom:0;\"><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Proven ability to build, deploy, and maintain custom Shopify Apps from scratch — including Shopify CLI, OAuth, and webhooks</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Deep theme development expertise: Liquid, Sections, Blocks, JSON templates, and modern JS for interactive experiences</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Expert-level work with Shopify's APIs — both Storefront (GraphQL) and Admin (REST and GraphQL)</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Strong React, JavaScript/TypeScript, and modern HTML/CSS fundamentals</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Architectural judgment: knowing when to reach for a theme change, a custom app, a Function, or a headless build</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Headless frameworks (Next.js, Remix, or Shopify's Hydrogen/Oxygen)</span></p></li></ul><br><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">Nice to have:</span></p><ul style=\"margin-top:0;margin-bottom:0;\"><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Hands-on experience with Metafields and Metaobjects for complex product/content modeling</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Shopify Functions and Flow in production</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">CI/CD setup and management</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Performance tooling (Lighthouse, WebPageTest, browser profiling)</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Experience integrating Shopify with manufacturing systems, ERP, or fulfillment platforms</span></p></li></ul>"
    },
    {
      "name": "Why us?",
      "value": "<p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">At Zellerfeld, you will find a multidisciplinary team of engineers, SW and HW specialists, entrepreneurs, designers, and students with a common passion. We embrace contrarian thinking, humility, pushing limits, and improving ourselves. We utilize a flat hierarchy, and we want your voice to be heard. We also care about bonding because we want to be a tight-knit community, so be prepared to spend quality time with everyone, including the CEO!</span></p><br><p style=\"line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">As a company specializing in both hardware and software, we value close collaboration within our team. Therefore, we are seeking candidates who can join us at our office in Hamburg. </span></p>"
    }
  ],
  "occupationCategory": "it_software",
  "recruitingCategory": "Permanent Employee"
}

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