Recommended expert

Björn Wilmsmann

Software Audit and Architecture Consulting: Portal Software

Björn Wilmsmann
Oberhausen, Germany

Experience

Jan 2023 - Dec 2023
1 year

Software Audit and Architecture Consulting: Portal Software

  • I performed a software audit and architecture consultation for an existing portal software that provisions infrastructure for a company that offers virtual reality environments.
  • Role: Mentoring and Consulting
  • Technologies used: Java
Jan 2021 - Present
5 years 1 month

Consulting and Mentoring: eCommerce Platform for Order Processing

  • I am assisting a publishing house that offers online publications through various eCommerce business models in the new development of a platform for processing orders.
  • Role: Consulting and Mentoring
  • Technologies used: AWS, Java, Spring Boot, Microservices
Jan 2021 - Dec 2021
1 year

Mentoring and Consulting: Updating Front-end Applications for Document Management

  • I advised a company that develops document management software on migrating various front-end components to the latest Angular and PrimeNG versions.
  • I guided the company's developers on approaches and best practices for carrying out this migration.
  • Role: Mentoring and Consulting
  • Technologies used: Angular, PrimeNG
Jan 2020 - Dec 2024
5 years

Development and Consulting: HMI for Machine Control

  • For a mechanical engineering company, I am developing a new HMI for machine control.
  • Role: Development and Consulting
  • Technologies used: React, Material-UI, Express, Node.js, JavaScript
Jan 2020 - Dec 2023
4 years

Author: Stratospheric - From Zero to Production with Spring Boot and AWS

  • Together with two other authors, in mid 2021 I published an eBook titled "Stratospheric - From Zero to Production with Spring Boot and AWS". This eBook is a comprehensive guide to developing and deploying Spring Boot applications in AWS Cloud environments.
  • Role: Author
  • Technologies used: AWS, CDK, Spring Boot, Java
Jan 2020 - Dec 2021
2 years

Development and Mentoring: Application for Demand Planning

  • I supported a billing company in the healthcare industry with the implementation of a demand planning application.
  • I guided developers in using the new software technologies used to build this application.
  • Role: Development and Mentoring
  • Technology selection: Angular, TypeScript, Jasmine, Protractor, Karma, Java, Spring Boot
Jan 2019 - Dec 2019
1 year

Development and Consulting: Configurator for Variant Management (CPQ, PIM)

  • I supported a provider of variant management software (CPQ, PIM) in developing a rule-based configurator.
  • Role: Development and Consulting
  • Technology selection: jQuery, Node.js, SheetJS, jQuery-csv, HTML, CSS
Jan 2018 - Dec 2019
2 years

Design and Development: Software for Construction Site Management

  • For a company that offers construction site management software, I designed and developed modules for use in a mobile application.
  • Role: Design and Development
  • Technology selection: JavaScript, Ext JS, Apache Cordova
Jan 2018 - Dec 2019
2 years

Development and Quality Assurance: Application for Recording and Accounting of Non-Cash Benefits

  • For an insurance company, I developed a web-based application to record and account for non-cash benefits.
  • Role: Development and Quality Assurance
  • Technology selection: Java, Spring, Spring Boot, Hibernate, JUnit, Angular 2, TypeScript, Karma, Jasmine, Protractor, PostgreSQL, Docker, Amazon Web Services
Jan 2018 - Dec 2019
2 years

Mentoring and Consulting: Application for Coordinating Billing Processes

  • I supported a billing company in the healthcare sector with the implementation of an application for coordinating billing processes.
  • I guided developers in using the new software technologies used to build this application.
  • Role: Mentoring and Consulting
  • Technology selection: Angular, TypeScript, Jasmine, Protractor, Karma, Java, Spring Boot
Jan 2017 - Present
9 years 1 month

Workshops: Spring Boot / Spring Cloud

  • In collaboration with an IT workshop provider, I deliver workshops on Spring Boot and Spring Cloud.
  • Role: Trainer and Concept
  • Selected technologies: Java, Spring, Spring Boot, Spring Cloud
Jan 2017 - Dec 2018
2 years

Concept and Development: Mobile Service App

  • For a provider of drive technology, I designed and developed a mobile app for field service requests.
  • Role: Concept and Development
  • Selected technologies: Ionic, Angular 2, TypeScript, Swift, Xcode
Jan 2017 - Dec 2017
1 year

Development: eCommerce / PIM Solutions

  • For a provider of eCommerce / Product Information Management (PIM) systems, I implemented microservice-based solutions that extend existing applications and add new functionality.
  • Role: Development
  • Selected technologies: Java, Docker, Spring, Spring Boot, Spring Integration, Apache POI, Mockito, REST Assured, RabbitMQ, JavaScript, JSON Schema, Hybris
Jan 2017 - Dec 2017
1 year

Concept and Development: Search Solution for Variant Management (CPQ, PIM)

  • For a provider of variant management software (CPQ, PIM), I designed and developed a search solution based on Elasticsearch.
  • Role: Concept and Development
  • Selected technologies: Java, Elasticsearch, Spring, Spring Boot, JUnit, Mockito, REST Assured
Jan 2017 - Dec 2017
1 year

Mentoring and Consulting: Software for Sales Systems (POS)

  • I advised a provider of sales system software (POS) in the logistics industry on selecting new front-end technologies and on quality assurance in software development (testing, continuous deployment).
  • Role: Mentoring, Quality Assurance, and Consulting
  • Selected technologies: Angular 2, TypeScript, AngularJS, Jasmine, Protractor, Karma
Jan 2016 - Dec 2019
4 years

Mentoring, Consulting and Development: Logistics and Compliance Management Software

  • I advised a provider of logistics and compliance management software on improving quality assurance processes in software development (testing, database migration, continuous deployment).
  • Role: Mentoring, quality assurance and development
  • Technologies used: Java, Spring, JPA, JUnit, Mockito, Flyway, Spring Batch, Angular 2, TypeScript, Cucumber, Docker
Jan 2016 - Dec 2017
2 years

Physician Information Systems

  • I supported a provider of physician information systems by reviewing and refactoring the software architecture used for developing application modules.
  • I improved the framework used to develop the client's various products in terms of maintainability and reliability.
  • Role: Architecture and development
  • Technologies used: JavaScript, AngularJS, Jasmine, Karma, TypeScript
Jan 2016 - Dec 2016
1 year

Serialization Solution

  • For a company offering scalable serialization solutions, I developed user-friendly user interfaces and improved the user experience of the existing application.
  • Role: Design and development
  • Technologies used: Java, Spring, JPA, Vaadin
Jan 2015 - Dec 2016
2 years

Mentoring and Development: Public Administration Software

  • At a provider of public administration software, I took part in developing the next product version.
  • I also trained the developers in various frontend technologies - mainly AngularJS and JavaScript - and in their interaction with Java backend applications.
  • Role: Mentoring and development
  • Technologies used: Java, Spring, Hibernate, JavaScript, AngularJS, Lucene, Solr
Jan 2015 - Dec 2015
1 year

ERP System for eCommerce Applications

  • For a US-based eCommerce company in the apparel industry, I developed a web-based ERP solution that manages and processes goods inflows and outflows, inventory, and stock levels for different products, locations, and sales channels.
  • Role: Architecture, development and design
  • Technologies used: Java, Spring Web MVC, Spring Boot, JavaScript, AngularJS
Jan 2014 - Present
12 years 1 month

ZenQuery

  • ZenQuery is an Enterprise Backend as a Service.
  • ZenQuery provides you with an instant REST API for your SQL queries. Anything that can be expressed by SELECT * FROM ... ZenQuery turns into a conveniently accessible API.
  • Role: Entrepreneur, Developer, Product Designer
  • Selected technologies: Java, Spring Web MVC, JavaScript, AngularJS, PostgreSQL, various database integrations, Heroku
Jan 2014 - Dec 2017
4 years

Controlling Application for Receivables and Liabilities Analysis

  • For a well-known consulting firm in the controlling industry, I developed a web application that enables working capital and cash flow analyses.
  • The application visualizes results using various dynamically generated charts and allows flexible Excel data import and export.
  • Role: development and design
  • Selected technologies: Java, Spring Web MVC, JavaScript, AngularJS, NVD3, D3.js, Chart.js, Excel interfaces (import/export), PostgreSQL
Jan 2014 - Dec 2015
2 years

Freshcard

  • Freshcard is a digital business card distribution platform. Freshcard allows you to easily connect and exchange contact information with business contacts.
  • The web application allows you to manage your contact details and create your individual business card layout in the browser (using HTML5 and SVG).
  • The accompanying iPhone app lets you connect with people right when you meet them.
  • Role: Entrepreneur, CTO, Developer, Product Designer. Apart from product design and development, my task as CTO was to coordinate a team of developers, designers, and service providers to ensure that new product versions were delivered on time and with the required quality.
  • Selected technologies: Java, Spring Web MVC, JavaScript, AngularJS, Fabric.js, SVG, PostgreSQL, iOS, Swift, Multipeer Connectivity, vCard, Heroku
Jan 2013 - Dec 2014
2 years

MemoEasy

  • No-shows are a major problem for many businesses. MemoEasy solves this problem by letting businesses manage their appointments online and sending customers a reminder by SMS or email before an appointment.
  • Role: Entrepreneur, CTO, Developer, Designer
  • Selected technologies: Ruby on Rails, PostgreSQL, Twilio, Heroku
Jan 2011 - Dec 2015
5 years

Applications for Consumer and Corporate Loan Application and Processing

  • For an international bank, I worked in a team of six developers to build various enterprise web applications that let merchants and end customers apply for loans.
  • These applications also handle further processing of the applications and customer interactions.
  • Through a service-oriented architecture, numerous backend systems are connected, e.g. core banking systems and risk assessment.
  • Role: development and design
  • Selected technologies: Java, Spring, Hibernate, SOAP, WebSphere, JMS, socket services, Oracle Database, Lucene

Languages

German
Advanced
English
Advanced
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Shamaila Mahmood
Shamaila Mahmood

Senior Software Architect

View Profile
Niko Schmuck
Niko Schmuck

Developing Architect, Technical Lead "gridlytics"

View Profile
Arne Hendricks
Arne Hendricks

Embedded Fullstack Developer

View Profile
Rüdiger Schulz
Rüdiger Schulz

Full-Stack Software Engineer / Consultant for Digitalization

View Profile
Rainer Diekmann
Rainer Diekmann

Enterprise Architecture Management / Software Developer Backend

View Profile
Tim Rüther
Tim Rüther

Consultant and Fullstack Developer

View Profile
Satya Vulise
Satya Vulise

Lead Developer

View Profile
Robert Raźniewski
Robert Raźniewski

Software Developer

View Profile
Selvaraj Kannaiyan
Selvaraj Kannaiyan

Senior Full Stack & Cloud Architect

View Profile
Christoph Bewerbung
Christoph Bewerbung

Architect, Business Analyst, Developer

View Profile
Martin Eisengardt
Martin Eisengardt

Software Developer

View Profile
Thomas Jarnot
Thomas Jarnot

Backend Developer, DevOps Engineer

View Profile
Achille Chimi
Achille Chimi

Backend/Frontend Developer

View Profile
Thomas Hoefkens
Thomas Hoefkens

Senior MLOps, DevOps Engineer

View Profile
Dimitri Simon
Dimitri Simon

Fullstack Developer, Integrator

View Profile
Michael König
Michael König

Architect and Full-Stack Developer

View Profile
Rodrigue Kelen-yo
Rodrigue Kelen-yo

Fullstack Development

View Profile
Robin Sadlo
Robin Sadlo

Senior Cloud & Backend Engineer

View Profile
Ulrich Cech
Ulrich Cech

Java Architect/Developer – Freelancer

View Profile
Renke Grunwald
Renke Grunwald

Cloud Architect

View Profile
Johannes Erchen
Johannes Erchen

Senior Application Developer

View Profile
Werner Keil
Werner Keil

Test Coordinator, Designer and Engineer

View Profile
Marcel Meyer
Marcel Meyer

Cloud-Architect, Senior Solution Architect, Senior Software-Engineer

View Profile
Oliver Bodemer
Oliver Bodemer

Senior Software Architect

View Profile
Jan Lüders
Jan Lüders

Senior Developer

View Profile
Robert Malec
Robert Malec

Backend Developer

View Profile
Fady Kuzman
Fady Kuzman

Senior Software Developer / Tech Lead

View Profile
Alexander Kapincev
Alexander Kapincev

Senior Fullstack Developer

View Profile
Kyu-wang Lee
Kyu-wang Lee

Software Architect & Lead Software Engineer

View Profile
Meik Schindler
Meik Schindler

Freelance Trainer & Consultant

View Profile