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

Go to Website

Oberhausen, Germany

Experience

Jan 2023 - Dec 2023

1 year

Software Audit and Architecture Consulting: Portal Software

Conducted a software audit and provided architecture consulting for an existing portal software for infrastructure provisioning.
Mentoring and consulting
Technology selection: Java

Jan 2021 - Present

4 years 7 months

Consulting and Mentoring: eCommerce Platform for Order Processing

I supported a publishing house that offers online publications through various eCommerce channels in redeveloping a platform for order processing.
Consulting and mentoring
Technology selection: AWS, Java, Spring Boot, Microservices

Jan 2021 - Dec 2021

1 year

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

Advised on migrating various front-end components to current Angular and PrimeNG versions.
Guided developers on approaches and best practices for this migration.
Mentoring and consulting
Technology selection: Angular, PrimeNG

Jan 2020 - Dec 2024

5 years

Development and Consulting: HMI for Machine Control

Developed a new HMI for machine control for a mechanical engineering company.
Development and consulting
Technology selection: React, Material-UI, Express, Node.js, JavaScript

Jan 2020 - Dec 2023

4 years

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

Co-authored and published an eBook in mid-2021 titled "Stratospheric - From Zero to Production with Spring Boot and AWS".
Comprehensive guide to developing and deploying Spring Boot applications in AWS cloud environments.
Role: Author
Technology selection: AWS, CDK, Spring Boot, Java

Jan 2020 - Dec 2021

2 years

Development and Mentoring: Demand Planning Application

Supported a billing company in the healthcare sector in implementing a demand planning application.
Guided developers in using new software technologies for the application.
Role: Development and Mentoring
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)

Supported a provider of variant management software in developing a rule-based configurator.
Role: Development and Consulting
Technologies used: jQuery, Node.js, SheetJS, jQuery-csv, HTML, CSS

Jan 2018 - Dec 2019

2 years

Design and Development: Construction Site Management Software

Designed and developed modules for a company's mobile app for construction site management.
Role: Design and Development
Technologies used: JavaScript, Ext JS, Apache Cordova

Jan 2018 - Dec 2019

2 years

Development and Quality Assurance: Application for Recording and Accounting of Benefits in Kind

Developed a web-based application for an insurance company to record and account for benefits in kind.
Role: Development and Quality Assurance
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 Processes

Supported a billing company in the healthcare sector in implementing an application to coordinate billing processes.
Guided developers in using new software technologies.
Role: Mentoring and Consulting
Technologies used: Angular, TypeScript, Jasmine, Protractor, Karma, Java, Spring Boot

Jan 2017 - Present

8 years 7 months

Workshops: Spring Boot / Spring Cloud

Conducted workshops on Spring Boot and Spring Cloud in collaboration with an IT workshop provider.
Role: Trainer and conceptual design
Selected technologies: Java, Spring, Spring Boot, Spring Cloud

Jan 2017 - Dec 2018

2 years

Design and Development: Mobile Service App

Designed and developed a mobile app for field service requests for a drive technology provider.
Role: design and development
Selected technologies: Ionic, Angular 2, TypeScript, Swift, Xcode

Jan 2017 - Dec 2017

1 year

Development: eCommerce / PIM Solutions

Implemented microservice-based solutions to extend and enrich existing applications for an eCommerce / PIM systems provider.
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

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

Designed and developed a search solution based on Elasticsearch for a variant management software provider.
Role: design and development
Selected technologies: Java, Elasticsearch, Spring, Spring Boot, JUnit, Mockito, REST Assured

Jan 2017 - Dec 2017

1 year

Mentoring and Consulting: Software for Point-of-Sale Systems (POS)

Advised a provider of point-of-sale system software on selecting new front-end technologies and 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: Software for Logistics and Compliance Management

Consulting for a provider of logistics and compliance management software to improve quality assurance processes (testing, database migration, continuous deployment).
Role: Mentoring, quality assurance and development
Technology selection: 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

Review and refactoring of the software architecture of a medical information systems provider.
Improvement of the framework in maintainability and reliability.
Role: Architecture and development
Technology selection: JavaScript, AngularJS, Jasmine, Karma, TypeScript

Jan 2016 - Dec 2016

1 year

Design and Development: Serialization Solution

Development of user-friendly interfaces and improvement of the user experience for a scalable serialization solution.
Role: Design and development
Technology selection: Java, Spring, JPA, Vaadin

Jan 2015 - Dec 2016

2 years

Mentoring and Development: Software for Public Administration

Development of the next product version and training of developers in frontend technologies (AngularJS, JavaScript) and their interaction with Java backends.
Role: Mentoring and development
Technology selection: Java, Spring, Hibernate, JavaScript, AngularJS, Lucene, Solr

Jan 2015 - Dec 2015

1 year

Architecture, Development and Design: ERP System for eCommerce Applications

Development of a web-based ERP solution for a US eCommerce company to manage product movements, inventory and stock levels.
Role: Architecture, development and design
Technology selection: Java, Spring Web MVC, Spring Boot, JavaScript, AngularJS

Jan 2014 - Present

11 years 7 months

Entrepreneur, Developer, Product Designer

ZenQuery

Development of ZenQuery, an 'Enterprise Backend as a Service' for delivering REST APIs for SQL queries.
Selection of 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 Analysis of Receivables and Liabilities

Development of a web application for a consulting firm to conduct working capital and cash flow analyses.
Visualization using dynamically generated charts and flexible Excel import/export.
Role: Development and Design
Selection of 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

Development of a digital business card platform, including web and iPhone apps.
Coordination of a team of developers, designers, and service providers to deliver new product versions on time.
Selection of 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

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

Jan 2011 - Dec 2015

5 years

Development and Design: Applications for Consumer and Corporate Loan Application and Processing

Development of various enterprise web applications for merchants and end customers for loan application and processing.
Integration of multiple backend systems via a service-oriented architecture.
Role: Development and Design
Selection of technologies used: Java, Spring, Hibernate, SOAP, WebSphere, JMS, Socket Services, Oracle Database, Lucene