Web- und Softwareentwicklung, Softwarearchitektur, SQL und NoSQL DBMS, Realtime Webapps
Aktualisiert am 11.12.2024
Profil
Freiberufler / Selbstständiger
Verfügbar ab: 11.12.2024
Verfügbar zu: 100%
davon vor Ort: 20%
PHP
Datenbankentwicklung
PostgreSQL
English
fluent
German
Native
Korean
Very basic

Einsatzorte

Einsatzorte

Leipzig (+200km)
Deutschland, Österreich, Schweiz
nicht möglich

Projekte

Projekte

7 Jahre 6 Monate
2017-07 - heute

Devops and Fullstack Work for multiple companies

Freelancing and Contracting Angular Vue Typescript ...
Freelancing and Contracting
  • Devops and Fullstack Work for multiple companies
  •  Siemens: Terraform, Gitlab CI, AWS, Frontend Dev in BuildingX Ecosystem; Teamlead in international Team
  • HPE: Fullstack application development of FinTech system
  • Sciendis: Mobile React Native App in HealthTech for wound measurement
  • Nuri: Fullstack Meal planner with Data Aggregation and Search; MongoDB backend with Atlas Full Text Search capabilities; Python; Node; Vue; NuxtJS
  • Pamyra: Gitlab CI; Kubernetes; NX Monorepo architecture; Deployment of Webcomponents and Headless CMS; Angular; Java
  • Scitotec: Ordering system for DB Bahn Casino; Frontend development with Angular, Bootstrap 4; Main features: User Management, Multi-Step Order Process, Admin Backend, Data Input with Geolocation; Optimized Print Stylesheets with support for legacy browsers (IE10)
Angular Vue Typescript Pixi.js MongoDB PostgreSQL PHP (Laravel) Jest Cypress
on Request | Scitotec | Robotron | HPE | Pamyra | Sciendis | Siemens AG
1 Jahr 6 Monate
2016-02 - 2017-07

Enterprise development of a payment processing and credit card platform (Fintech)

Software Developer Angular Protractor PHP/Symfony ...
Software Developer
  • Enterprise development of a payment processing and credit card platform (Fintech)
  • Migrating legacy PHP banking frontend to Angular 2 SPA including OAuth based authentication and model-driven REST-Api (Swagger)
Angular Protractor PHP/Symfony RabbitMQ Java/Spring MySQL AWS Docker Python
IT Sonix Custom Development GmbH
1 Jahr 2 Monate
2015-04 - 2016-05

Developing responsive web applications and ranking algorithms for online dictionaries

PHP/Elasticsearch Developer VueJS 1.0 VueRouter VueResource ...
PHP/Elasticsearch Developer
  • Developing responsive web applications and ranking algorithms for online dictionaries
VueJS 1.0 VueRouter VueResource PHP/Laravel PostgreSQL Elasticsearch
Lisa Media GmbH
4 Monate
2015-10 - 2016-01

Adapting a linked data ERM System to use cases in german libraries

Software Developer
Software Developer
University of Leipzig
2 Jahre 8 Monate
2012-04 - 2014-11

Working in C++ and building high performance database applications for smart metering

Service and Devops Development C++ MySQL Oracle Database ...
Service and Devops Development
  • Working in C++ and building high performance database applications for smart metering
C++ MySQL Oracle Database RPM/DEB Packaging Jenkins QT Python Scripting
Cuculus GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

2012 - 2015

Business Systems

Master of Science

Universität Leipzig


2008 - 2012

Science Business Systems

Bachelor

Universität Leipzig


Certifications

  • AWS Certified Solutions Architect ? Associate

Kompetenzen

Kompetenzen

Top-Skills

PHP Datenbankentwicklung PostgreSQL

Produkte / Standards / Erfahrungen / Methoden

Agile Management (Scrum, Kanban)
5/10
AWS
Continuous Integration & Deployment
8/10
CSS 3
Databases
7/10
Docker
Facebook Graph API
Git
Google Analytics
Gulp
Html 5
Javascript Frontend (VueJS, AngularJS)
7/10
Jenkins
Laravel
Linked Data
Mercurial
OOP
Raspberry Pi
Responsive Design
Rest
Rest Api (Client & Server)
8/10
RPM
Sass/Less
SCM & Buildtools
8/10
Semantic Web
Server Development
8/10
Soap
SVN
Symfony
VueJS
Web Development
8/10
Work in cross functional teams
Agile & Scrum Methodologies
Planning
Jira
Problem-Solving
Communication

Profil:

  • Developer with over 10 years of experience in fullstack projects in the IT industry. Skilled in Typescript, Python, Frontend-Technologies and Agile methodologies. 
  • Studied Master of Science Business Systems in Leipzig University.


Software Skills

  • Typescript
  • Python
  • MongoDB
  • CSS
  • Docker
  • VueJS
  • NodeJS
  • ElasticSearch
  • FastApi
  • CI Pipelines (Gitlab, Github)
  • Angular
  • PHP
  • HTML
  • Linux
  • Rest


Portfolio

10/2023 - 12/2024:

Customer: Pamyra GmbH - Logistikplattform


Tasks:

Devops of modern B2B/B2C pallet shipping plattform

  • Setup CI pipeline for agency and customer facing services
  • Introduce OpenApi specifications including code generation for various consume
  • Setup NX based monorepo and adjust deployment scripts and images for Kubernetes cluster
  • Monitor kubernetes cluster with Prometheus and Grafana
  • Maintain platform and feature development


01/2021 - 09/2023:

Customer: Siemens AG - BuildingX


Tasks:

Development work in BuildingX ecosystem; Configure AWS Cloud setup; Maintain Frontend Architecture

  • Configure and maintain Gitlab CI pipeline for frontend sta
  • Migrate NPM registry from artifactory to Gitlab
  • Provide terraform configurations for AWS infrastructu
  • Develop Pixi.js canvas components


08/2019 - 04/2021:

Customer: HPE GmbH - FinCRM


Tasks:

Fullstack development of FinTech system with PHP Laravel

  • Provide PHP REST API for Frontend Consumers
  • Refactoring Legacy Codebase
  • Extend test suite and Gitlab CI infrastructure



Customer: Lisa Media GmbH - Lisa Wörterbuch


Tasks:

Large vocabulary dictionary for german and english built with PHP, VueJS and ElasticSearch

  • Complete responsive Javascript SPA frontend with VueJS
  • Backend implemented with PostgreSQL and Elasticsearch
  • The application included over 10 million translated entries
  • EC2 based deployment to AWS Cloud
  • Custom ranking algorithm for Elasticsearch
  • Main technologies: VueJS 1.0, VueRouter, VueResource, PHP/Laravel, PostgreSQL, Elasticsearch


Customer: ITSonix GmbH - XPay


Tasks:

Customizable Prepaid-Creditcard processing platform with multiple large customers

We transformed with a large scrum team a legacy web platform to a modern SPA architecture. I worked togetherwith my team on the front and backend code. In the process we also introduced a Rest-Api as middleware to separate the old core from the new application. Furthermore the entire platform was deployed on AWS in multiple docker containers.

  • Responive Javascript SPA frontend with AngularJS 2
  • Maintenance Legacy PHP/Symfony core with SOAP-Api
  • Customer dashboard with multiple widgets and OAuth authentication
  • Rest-Api modelled with Swagger, including client sdk generation for AngularJS
  • New Java/Spring middleware with SOAP-Adapters
  • Large MySQL database with customer and transaction data
  • Main technologies: AngularJS, Protractor, PHP/Symfony, RabbitMQ, Java/Spring, MySQL, AWS, Docker, Python


Customer: Nuri


Tasks:

Fullstack application for meal planning and ingredient search. https on request

Serverless deployment with Python, Typescript and VueJS 3. Weekly meal planning with a Python FastApi microservice on Google Cloud for product search and recommendation.

  • Explore recipes and create weekly meal plans
  • Aggregate ingredients into a streamlined shopping list
  • Match ingredients and products with MongoDB Fulltext Atlas Search
  • Suggest related products via third-party API integration (Rewe)
  • Custom recipe builder via LLMs

Betriebssysteme

Linux
9/10

Programmiersprachen

AngularJS
Bash
C++
Elixir
Javascript
PHP
Laravel, Symfony, Zend; 7/10
Python
Typescript

Datenbanken

MongoDB
MySQL
Neo4j
PostgreSQL
SQL

Einsatzorte

Einsatzorte

Leipzig (+200km)
Deutschland, Österreich, Schweiz
nicht möglich

Projekte

Projekte

7 Jahre 6 Monate
2017-07 - heute

Devops and Fullstack Work for multiple companies

Freelancing and Contracting Angular Vue Typescript ...
Freelancing and Contracting
  • Devops and Fullstack Work for multiple companies
  •  Siemens: Terraform, Gitlab CI, AWS, Frontend Dev in BuildingX Ecosystem; Teamlead in international Team
  • HPE: Fullstack application development of FinTech system
  • Sciendis: Mobile React Native App in HealthTech for wound measurement
  • Nuri: Fullstack Meal planner with Data Aggregation and Search; MongoDB backend with Atlas Full Text Search capabilities; Python; Node; Vue; NuxtJS
  • Pamyra: Gitlab CI; Kubernetes; NX Monorepo architecture; Deployment of Webcomponents and Headless CMS; Angular; Java
  • Scitotec: Ordering system for DB Bahn Casino; Frontend development with Angular, Bootstrap 4; Main features: User Management, Multi-Step Order Process, Admin Backend, Data Input with Geolocation; Optimized Print Stylesheets with support for legacy browsers (IE10)
Angular Vue Typescript Pixi.js MongoDB PostgreSQL PHP (Laravel) Jest Cypress
on Request | Scitotec | Robotron | HPE | Pamyra | Sciendis | Siemens AG
1 Jahr 6 Monate
2016-02 - 2017-07

Enterprise development of a payment processing and credit card platform (Fintech)

Software Developer Angular Protractor PHP/Symfony ...
Software Developer
  • Enterprise development of a payment processing and credit card platform (Fintech)
  • Migrating legacy PHP banking frontend to Angular 2 SPA including OAuth based authentication and model-driven REST-Api (Swagger)
Angular Protractor PHP/Symfony RabbitMQ Java/Spring MySQL AWS Docker Python
IT Sonix Custom Development GmbH
1 Jahr 2 Monate
2015-04 - 2016-05

Developing responsive web applications and ranking algorithms for online dictionaries

PHP/Elasticsearch Developer VueJS 1.0 VueRouter VueResource ...
PHP/Elasticsearch Developer
  • Developing responsive web applications and ranking algorithms for online dictionaries
VueJS 1.0 VueRouter VueResource PHP/Laravel PostgreSQL Elasticsearch
Lisa Media GmbH
4 Monate
2015-10 - 2016-01

Adapting a linked data ERM System to use cases in german libraries

Software Developer
Software Developer
University of Leipzig
2 Jahre 8 Monate
2012-04 - 2014-11

Working in C++ and building high performance database applications for smart metering

Service and Devops Development C++ MySQL Oracle Database ...
Service and Devops Development
  • Working in C++ and building high performance database applications for smart metering
C++ MySQL Oracle Database RPM/DEB Packaging Jenkins QT Python Scripting
Cuculus GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

2012 - 2015

Business Systems

Master of Science

Universität Leipzig


2008 - 2012

Science Business Systems

Bachelor

Universität Leipzig


Certifications

  • AWS Certified Solutions Architect ? Associate

Kompetenzen

Kompetenzen

Top-Skills

PHP Datenbankentwicklung PostgreSQL

Produkte / Standards / Erfahrungen / Methoden

Agile Management (Scrum, Kanban)
5/10
AWS
Continuous Integration & Deployment
8/10
CSS 3
Databases
7/10
Docker
Facebook Graph API
Git
Google Analytics
Gulp
Html 5
Javascript Frontend (VueJS, AngularJS)
7/10
Jenkins
Laravel
Linked Data
Mercurial
OOP
Raspberry Pi
Responsive Design
Rest
Rest Api (Client & Server)
8/10
RPM
Sass/Less
SCM & Buildtools
8/10
Semantic Web
Server Development
8/10
Soap
SVN
Symfony
VueJS
Web Development
8/10
Work in cross functional teams
Agile & Scrum Methodologies
Planning
Jira
Problem-Solving
Communication

Profil:

  • Developer with over 10 years of experience in fullstack projects in the IT industry. Skilled in Typescript, Python, Frontend-Technologies and Agile methodologies. 
  • Studied Master of Science Business Systems in Leipzig University.


Software Skills

  • Typescript
  • Python
  • MongoDB
  • CSS
  • Docker
  • VueJS
  • NodeJS
  • ElasticSearch
  • FastApi
  • CI Pipelines (Gitlab, Github)
  • Angular
  • PHP
  • HTML
  • Linux
  • Rest


Portfolio

10/2023 - 12/2024:

Customer: Pamyra GmbH - Logistikplattform


Tasks:

Devops of modern B2B/B2C pallet shipping plattform

  • Setup CI pipeline for agency and customer facing services
  • Introduce OpenApi specifications including code generation for various consume
  • Setup NX based monorepo and adjust deployment scripts and images for Kubernetes cluster
  • Monitor kubernetes cluster with Prometheus and Grafana
  • Maintain platform and feature development


01/2021 - 09/2023:

Customer: Siemens AG - BuildingX


Tasks:

Development work in BuildingX ecosystem; Configure AWS Cloud setup; Maintain Frontend Architecture

  • Configure and maintain Gitlab CI pipeline for frontend sta
  • Migrate NPM registry from artifactory to Gitlab
  • Provide terraform configurations for AWS infrastructu
  • Develop Pixi.js canvas components


08/2019 - 04/2021:

Customer: HPE GmbH - FinCRM


Tasks:

Fullstack development of FinTech system with PHP Laravel

  • Provide PHP REST API for Frontend Consumers
  • Refactoring Legacy Codebase
  • Extend test suite and Gitlab CI infrastructure



Customer: Lisa Media GmbH - Lisa Wörterbuch


Tasks:

Large vocabulary dictionary for german and english built with PHP, VueJS and ElasticSearch

  • Complete responsive Javascript SPA frontend with VueJS
  • Backend implemented with PostgreSQL and Elasticsearch
  • The application included over 10 million translated entries
  • EC2 based deployment to AWS Cloud
  • Custom ranking algorithm for Elasticsearch
  • Main technologies: VueJS 1.0, VueRouter, VueResource, PHP/Laravel, PostgreSQL, Elasticsearch


Customer: ITSonix GmbH - XPay


Tasks:

Customizable Prepaid-Creditcard processing platform with multiple large customers

We transformed with a large scrum team a legacy web platform to a modern SPA architecture. I worked togetherwith my team on the front and backend code. In the process we also introduced a Rest-Api as middleware to separate the old core from the new application. Furthermore the entire platform was deployed on AWS in multiple docker containers.

  • Responive Javascript SPA frontend with AngularJS 2
  • Maintenance Legacy PHP/Symfony core with SOAP-Api
  • Customer dashboard with multiple widgets and OAuth authentication
  • Rest-Api modelled with Swagger, including client sdk generation for AngularJS
  • New Java/Spring middleware with SOAP-Adapters
  • Large MySQL database with customer and transaction data
  • Main technologies: AngularJS, Protractor, PHP/Symfony, RabbitMQ, Java/Spring, MySQL, AWS, Docker, Python


Customer: Nuri


Tasks:

Fullstack application for meal planning and ingredient search. https on request

Serverless deployment with Python, Typescript and VueJS 3. Weekly meal planning with a Python FastApi microservice on Google Cloud for product search and recommendation.

  • Explore recipes and create weekly meal plans
  • Aggregate ingredients into a streamlined shopping list
  • Match ingredients and products with MongoDB Fulltext Atlas Search
  • Suggest related products via third-party API integration (Rewe)
  • Custom recipe builder via LLMs

Betriebssysteme

Linux
9/10

Programmiersprachen

AngularJS
Bash
C++
Elixir
Javascript
PHP
Laravel, Symfony, Zend; 7/10
Python
Typescript

Datenbanken

MongoDB
MySQL
Neo4j
PostgreSQL
SQL

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