Björn W. - Software Audit and Architecture Consulting: Portal Software

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Oberhausen, Germany

Experience

Jan 2023 - Dec 2023

1 year

Software Audit and Architecture Consulting: Portal Software

Conducted a software audit and architecture consulting for an existing portal software for infrastructure provisioning.
Mentoring and consulting
Selection of technologies: Java

Jan 2021 - Present

5 years

Consulting and Mentoring: eCommerce Platform for Order Processing

I help a publishing house that offers online publications through various eCommerce business models to develop a new platform for order processing.
Consulting and mentoring
Selection of technologies: AWS, Java, Spring Boot, Microservices

Jan 2021 - Dec 2021

1 year

Mentoring and Consulting: Front-end Application Upgrade for Document Management

Advised on migrating various front-end components to the latest Angular and PrimeNG versions.
Guided developers on approaches and best practices for this migration.
Mentoring and consulting
Selection of technologies: Angular, PrimeNG

Jan 2020 - Dec 2024

5 years

Development and Consulting: HMI for Machine Control

Developed a new HMI for machine control for an engineering company.
Development and consulting
Selection of technologies: 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, I published an eBook titled "Stratospheric - From Zero to Production with Spring Boot and AWS" in mid 2021.
A comprehensive guide for developing and deploying Spring Boot applications in AWS cloud environments.
Role: Author
Selection of technologies: AWS, CDK, Spring Boot, Java

Jan 2020 - Dec 2021

2 years

Development and Mentoring: Application for demand planning

Supporting a billing company in the healthcare sector in implementing an application for demand planning.
Guiding developers in using new software technologies for implementing the application.
Role: development and mentoring
Selection of technologies used: Angular, TypeScript, Jasmine, Protractor, Karma, Java, Spring Boot

Jan 2019 - Dec 2019

1 year

Development and Consulting: Configurator for variant management (CPQ, PIM)

Supporting a provider of variant management software in developing a rule-based configurator.
Role: development and consulting
Selection of technologies used: jQuery, Node.js, SheetJS, jQuery-csv, HTML, CSS

Jan 2018 - Dec 2019

2 years

Design and Development: Software for construction site management

Designing and developing modules for a company's mobile application for construction site management.
Role: design and development
Selection of technologies used: JavaScript, Ext JS, Apache Cordova

Jan 2018 - Dec 2019

2 years

Development and Quality Assurance: Application for capturing and accounting processing of benefits in kind

Developing a web-based application for an insurance company to capture and perform accounting processing of benefits in kind.
Role: development and quality assurance
Selection of technologies used: 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 operations

Supporting a billing company in the healthcare sector in implementing an application for coordinating billing operations.
Guiding developers in using new software technologies.
Role: mentoring and consulting
Selection of technologies used: Angular, TypeScript, Jasmine, Protractor, Karma, Java, Spring Boot

Jan 2017 - Present

9 years

Workshops: Spring Boot / Spring Cloud

Conducting workshops on Spring Boot and Spring Cloud in collaboration with an IT workshop provider.
Role: Trainer and concept development
Selection of technologies used: Java, Spring, Spring Boot, Spring Cloud

Jan 2017 - Dec 2018

2 years

Concept and Development: Mobile Service App

Design and development of a mobile app for field service requests for a drive technology provider.
Role: Concept and development
Selection of technologies used: Ionic, Angular 2, TypeScript, Swift, Xcode

Jan 2017 - Dec 2017

1 year

Development: eCommerce / PIM Solutions

Implementation of microservice-based solutions to extend and enrich existing applications for an eCommerce / PIM systems provider.
Role: Development
Selection of technologies used: 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)

Design and development of a search solution based on Elasticsearch for a variant management software provider.
Role: Concept and development
Selection of technologies used: Java, Elasticsearch, Spring, Spring Boot, JUnit, Mockito, REST Assured

Jan 2017 - Dec 2017

1 year

Mentoring and Consulting: Software for Sales Systems (POS)

Advising a provider of sales system software on selecting new front-end technologies and quality assurance in software development (testing, continuous deployment).
Role: Mentoring, quality assurance and consulting
Selection of technologies used: Angular 2, TypeScript, AngularJS, Jasmine, Protractor, Karma

Jan 2016 - Dec 2019

4 years

Mentoring, Consulting and Development: Software for Logistics and Compliance Management

Advising a provider of logistics and compliance management software to improve quality assurance processes (testing, database migration, continuous deployment).
Role: Mentoring, Quality Assurance and Development
Selected technologies: Java, Spring, JPA, JUnit, Mockito, Flyway, Spring Batch, Angular 2, TypeScript, Cucumber, Docker

Jan 2016 - Dec 2017

2 years

Architecture and Development: Medical Information Systems

Reviewing and refactoring the software architecture of a provider of medical information systems.
Improving the framework's maintainability and reliability.
Role: Architecture and Development
Selected technologies: JavaScript, AngularJS, Jasmine, Karma, TypeScript

Jan 2016 - Dec 2016

1 year

Design and Development: Serialization Solution

Developing user-friendly user interfaces and improving the user experience of a scalable serialization solution.
Role: Design and Development
Selected technologies: Java, Spring, JPA, Vaadin

Jan 2015 - Dec 2016

2 years

Mentoring and Development: Public Administration Software

Developing the next product version and training developers in frontend technologies (AngularJS, JavaScript) and their integration with Java backends.
Role: Mentoring and Development
Selected technologies: Java, Spring, Hibernate, JavaScript, AngularJS, Lucene, Solr

Jan 2015 - Dec 2015

1 year

Architecture, Development and Design: ERP System for eCommerce Applications

Developing a web-based ERP solution for a US eCommerce company to manage goods movements, inventory and stock levels.
Role: Architecture, Development and Design
Selected technologies: Java, Spring Web MVC, Spring Boot, JavaScript, AngularJS

Jan 2014 - Present

12 years

Entrepreneur, Developer, Product Designer

ZenQuery

Developed ZenQuery, an 'Enterprise Backend as a Service' that provides REST APIs for SQL queries.
Chose technologies used: Java, Spring Web MVC, JavaScript, AngularJS, PostgreSQL, various database connectors, Heroku

Jan 2014 - Dec 2017

4 years

Development and design: controlling application for analyzing receivables and payables

Developed a web application for a consulting firm to perform working capital and cash flow analyses.
Visualized data with dynamically generated charts and flexible Excel import/export.
Role: development and design
Chose technologies used: Java, Spring Web MVC, JavaScript, AngularJS, NVD3, D3.js, Chart.js, Excel interfaces, PostgreSQL

Jan 2014 - Dec 2015

2 years

Entrepreneur, CTO, Developer, Product Designer

Freshcard

Developed a digital business card platform, including a web app and an iPhone app.
Coordinated a team of developers, designers, and service providers to deliver new product versions on time.
Chose technologies used: Java, Spring Web MVC, JavaScript, AngularJS, Fabric.js, SVG, PostgreSQL, iOS, Swift, Multipeer Connectivity, vCard, Heroku

Jan 2013 - Dec 2014

2 years

Entrepreneur, CTO, Developer, Designer

MemoEasy

Developed an online appointment system with SMS and email reminders to reduce missed appointments.
Chose technologies used: Ruby on Rails, PostgreSQL, Twilio, Heroku

Jan 2011 - Dec 2015

5 years

Development and design: applications for consumer and business loan application and processing

Developed several enterprise web applications for dealers and end customers for loan application and processing.
Integrated multiple backend systems through a service-oriented architecture.
Role: development and design
Chose technologies used: Java, Spring, Hibernate, SOAP, WebSphere, JMS, socket services, Oracle Database, Lucene