Jan Lüders - Senior Developer

Q: Where is Jan based?

Jan is based in Hamburg, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Jan speak?

Jan speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Jan have?

Jan has at least 15 years of experience. During this time, Jan has worked in at least 17 different roles and for 19 different companies . The average length of individual experience is 1 year and 10 months . Note that Jan may not have shared all experience and actually has more experience.

Q: What is Jan's latest experience?

Jan's most recent position is Senior Developer at #Die.Digitalfabrik GmbH .

Q: What companies has Jan worked for in recent years?

In recent years, Jan has worked for #Die.Digitalfabrik GmbH , Denkwerk GmbH , FFW Hamburg , NIU Nature GmbH , and MetaCards.gg .

Q: Which industries is Jan most experienced in?

Jan is most experienced in industries like Information Technology (IT) , Manufacturing , and Retail . Jan also has some experience in Tourism and Hospitality , Transportation and Logistics , and Government and Public Administration .

Q: Which business areas is Jan most experienced in?

Jan is most experienced in business areas like Information Technology (IT) , Product Development , and Project Management . Jan also has some experience in Operations , Quality Assurance (QA) , and Customer Service .

Q: Which industries has Jan worked in recently?

Jan has recently worked in industries like Information Technology (IT) , Manufacturing , and Retail .

Q: Which business areas has Jan worked in recently?

Jan has recently worked in business areas like Information Technology (IT) , Product Development , and Project Management .

Recommended expert

Hamburg, Germany

Experience

Oct 2024 - Present

1 year 5 months

Senior Developer

#Die.Digitalfabrik GmbH

Languages: PHP7/8 (Shopware 5 & 6), Vue.js, Docker, Oracle, Apache, MongoDB (NoSQL)
Infrastructure: ScaleCommerce (e-commerce cluster, container-based)
Team: 3
Development methodology: Kanban (Jira/Confluence)
Planning and development of various client projects in an agency environment

Apr 2024 - Nov 2024

8 months

Senior Developer

Denkwerk GmbH

Languages: PHP7 (Magento 1.9 & Shopware 5 & 6), Vue.js, Docker, Oracle, Apache, MongoDB (NoSQL)
Infrastructure: MaxCluster (e-commerce cluster, container-based)
Team: 5
Development methodology: Kanban (Jira/Confluence)
Planning (technical & architectural), development and maintenance of the shop bp-online.com

Mar 2023 - Mar 2024

1 year 1 month

Cloud & Infrastructure Project Manager

FFW Hamburg

Infrastructure: Google Cloud Services (Kubernetes, Artifact Registry, Cloud SQL, VPC, IAM, IAP, Storage, PSC, CDNS, Interconnect), IaC with Terraform/Terragrunt, migration from AWS S3 & AWS Lambda to GCS buckets & Google Cloud Functions, AWS IAM
Team: 5
Development methodology: Kanban
Coordination, structuring, process control & monitoring of the operations team for ZDF on behalf of FFW Hamburg

Apr 2022 - Present

3 years 11 months

Chief Technical Officer

NIU Nature GmbH

Languages: PHP8, Symfony, Shopware 6, MySQL, Postgres, Flutter (mobile), .NET 8.0, ProtoBuf, Python
Infrastructure: Google Cloud Services (Cloud Run, Artifact Registry, Cloud Functions, Cloud SQL, Cloud VPC, IAM, IAP, Storage), IaC with Terraform/Terragrunt
Team: 3
Development methodology: Kanban (Jira/Confluence)
Development of a mobile application in Flutter with .NET microservices backend

Mar 2022 - Feb 2023

1 year

Web 3 Developer & Product Owner

MetaCards.gg

Language: Solidity, TypeScript, Nodejs, Python, ReactJS / ReactNative
Infrastructure: AWS (EC2, RDS, EKS, S3, Route53, VPC, IAM)
Team: 5
Development methodology: Scrum
Management and development of a blockchain game (gaming, NFT, wallet hosting)

Jul 2019 - Mar 2022

2 years 9 months

Head of Development, UIT ONE

UIT Services GmbH

Languages: PHP7 (Magento 1.9 & Shopware 5 & 6), Vue.js, React Native, C#, TypeScript, ReactJS / React Native, Docker, Oracle, Apache, MongoDB (NoSQL)
Infrastructure: Google Cloud Services (Artifact Registry, Cloud Functions, Cloud SQL, Cloud VPC, IAM, IAP, Storage, Compute Engine)
Team: 5
Development methodology: GitLab tickets, Kanban
Team leadership and training, project acquisition, Shopware 5 & 6 development
React Native contract development to expand in-house product range
Development of a white-label backend for mobile apps
Planning and budgeting of IT projects

May 2019 - Nov 2020

1 year 7 months

Technical Project Lead

sallys-shop.de & sallys-world.net

Languages: PHP7 (Magento 1.9 & Shopware 5/6)
Infrastructure: on-premises
Team: 3
Development methodology: Scrum (Jira/Confluence)
Opening additional sales channels (Amazon, eBay) and growing customer base
Migrating the existing shop to Shopware, including infrastructure and ERP integration
Migrating the blog into Shopware and providing data for an IoT application

Apr 2019 - Oct 2019

7 months

Backend developer

Cosinex GmbH & Public Plan GmbH

Languages: PHP7 (CakePHP 2), React-JS, Java 8 & Spring Boot, MySQL
Infrastructure: private cloud service
Penetration tests on infrastructure and software
Team: 3
Development methodology: Kanban (Jira/Confluence)
Ensuring usability of the OSIP software by migrating an Oracle database
Consulting and support for developing the client for air and nuclear safety

Mar 2019 - Jul 2021

2 years 5 months

Lead Backend Developer

Personalwerk GmbH / ThyssenKrupp

Languages: PHP7 (Symfony4 Flex), Vue.js, Vuex, Java Spring Boot, MySQL, Redis Server, WSDL/SOAP
Team: 3
Development methodology: Git issues, milestones
Reduced importer runtime by 75% by developing a data miner to fetch and cache multiple REST/SOAP APIs

Mar 2019 - Jun 2019

4 months

Full Stack Developer

Trans Service Team GmbH

Languages: PHP7 (Slim), React-JS, Java 8 & Spring Boot, MySQL
Penetration tests on infrastructure and software
Team: 3
Development methodology: Kanban
Development of various REST APIs with corresponding frontend for internal use
Streamlining business processes, managing transport orders, and reducing idle time in the fleet of a high-bay warehouse

Feb 2019 - Mar 2019

2 months

Software developer

feder-software GmbH

Languages: Java 8 & Spring Boot, MySQL, Icinga2, Bash, Docker
Team: 2
Development methodology: none
Setting up a monitoring system to identify bottlenecks in various hardware and network areas

Feb 2018 - Jun 2019

1 year 5 months

Head of Development

Wircon GmbH

Project planning/conceptualization, project budgeting, leading internal teams of 8 developers, reporting to management
Infrastructure: Google Cloud Services (Cloud Function, Cloud SQL, Cloud VPC, IAM, IAP, Storage, Compute Engine), GitLab CI/CD, GitLab Docker Registry
Penetration tests on infrastructure and software
Languages: PHP7 (Symfony 3.4, ZF3), Node.js, NoSQL/SQL, HTML, CSS, React Native
Team: 8
Development methodology: Kanban (Jira/Confluence)
Development and deployment of various web applications (CRM, marketing tool, and admin interface) including infrastructure planning

Apr 2017 - Jun 2018

1 year 3 months

Senior System Engineer

Ministry Group GmbH

Languages: PHP7 (Symfony 3.4, native), HTML5, JavaScript, CSS3, Bash, shell scripts, SQL, GitLab CI/CD & Jenkins, React Native
Team: 4
Development methodology: Scrum
Development of various WordPress projects (ambassador.xing.com, pc-spende.de) and other web applications
Administration of company network and support for the on-site admin, reporting to management
Penetration tests on web applications
AWS – Lambda testing
Infrastructure: Linux, GitLab, MySQL, MSSQL, Jenkins

Feb 2017 - Mar 2018

1 year 2 months

Android Developer

Deutsche Post AG

Languages: Java, SQL, SQLite, NoSQL, PHP7 (Symfony 3.4)
Team: 1
Development methodology: Git Issues
Development of an Android application with voice control
Infrastructure: Linux, Android 6, SQLite

Jan 2017 - Mar 2017

3 months

Full Stack PHP Lead Developer

KB&B

Languages: HTML5, JavaScript, SQL, PHP7 (native)
Team: 1
Development methodology: Scrum
Development of an in-house framework
Infrastructure: Linux, Apache, MySQL

Jul 2016 - Dec 2016

6 months

PHP Backend Developer

BAKS GmbH

Languages: PHP, XML, JSON, HTML5, CSS
Team: 2
Development and deployment of a backend solution to generate invoices to replace manual creation
Optimized customer management by developing a CRM

Apr 2016 - Mar 2017

1 year

Full stack PHP Lead Developer

Effektor GmbH

Languages: HTML5, CSS, PHP7 (native, WP), SQL
Team: 5
Development methodology: Git Issues
Development and deployment of multiple WordPress sites on behalf of clients
Optimizations in CSS and JavaScript
Infrastructure: Linux, Apache, MySQL

May 2014 - Jun 2016

2 years 2 months

Head of Development & Administration

Perennial AG (Aeroflot)

Consulting and planning the setup of a data center in MSK and LED
Administration, monitoring, and support of OpenStack cloud (14 nodes per cloud) in MSK and LED
Administration, monitoring, and support of in-house servers and 3rd-level support for Aeroflot's e-commerce system
Developing interfaces for data processing
Developing an e-commerce front- & backend for upselling insurance, car rentals, and hotels
Developing and hosting multiple WordPress landing pages including securing them
Languages: PHP (Symfony, ZF1), XML, JSON, HTML5, CSS3, Bash, SQL, GitHub, deploy scripting, Java Selenium tests
Team: 6
Development methodology: Scrum
Infrastructure: Linux, OpenStack, MySQL, Oracle

Oct 2010 - Present

15 years 5 months

Senior System Engineer

Freelance

Own products:
CleanCode Studio CRM (Java 6), currently refactoring to Java 11 and Spring Boot
iOS and Android development with React Native
Python and machine learning (self-taught & Udemy)

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (15.5 years), Manufacturing (2.5 years), Retail (2 years), Tourism (2 years), Transportation (1.5 years), and Government and Administration (0.5 years).

Information Technology

Manufacturing

Retail

Tourism

Transportation

Government and Administration

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (15.5 years), Product Development (15.5 years), Project Management (6 years), Operations (4.5 years), Quality Assurance (0.5 years), and Supply Chain Management (0.5 years).

Information Technology

Product Development

Project Management

Operations

Quality Assurance

Supply Chain Management

Languages

German

Native

English

Advanced

Education

Jan 2010 - Jun 2011

Xplosion Interactive

IT Specialist (Application Development) · Hamburg, Germany

Sep 2001 - Jul 2004

Karstadt Warenhaus AG

Retail Salesperson · Hamburg, Germany

Jan 1999 - Dec 2000

Marine der Bundeswehr

Communications Electronics Technician · Germany

Certifications & licenses

Cisco – CCNA

Oracle SCJA Certificates

Profile

Created

June 2025

Last Update

August 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Jan based?

Jan is based in Hamburg, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Jan speak?

Jan speaks the following languages: German (Native), English (Advanced).

How many years of experience does Jan have?

Jan has at least 15 years of experience. During this time, Jan has worked in at least 17 different roles and for 19 different companies. The average length of individual experience is 1 year and 10 months. Note that Jan may not have shared all experience and actually has more experience.

What roles would Jan be best suited for?

Based on recent experience, Jan would be well-suited for roles such as: Senior Developer, Cloud & Infrastructure Project Manager, Chief Technical Officer.

What is Jan's latest experience?

Jan's most recent position is Senior Developer at #Die.Digitalfabrik GmbH.

What companies has Jan worked for in recent years?

In recent years, Jan has worked for #Die.Digitalfabrik GmbH, Denkwerk GmbH, FFW Hamburg, NIU Nature GmbH, and MetaCards.gg.

Which industries is Jan most experienced in?

Jan is most experienced in industries like Information Technology (IT), Manufacturing, and Retail. Jan also has some experience in Tourism and Hospitality, Transportation and Logistics, and Government and Public Administration.

Which business areas is Jan most experienced in?

Jan is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Jan also has some experience in Operations, Quality Assurance (QA), and Customer Service.