Enrico Gehring

Freelance Full-Stack & Web Developer at Self-employed

Delivered end-to-end web solutions across industries with core responsibilities including API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends. Worked with companies in automotive and manufacturing (Continental, Audi, Bosch), finance and insurance (DWS/Morgenfund, Inverso, Smart InsureTech, Fondsdepotbank), and technology and services (Flextronics, Secodym, BDT, First Soft Solutions).

Technical Author at Self-employed

Authored "Principles of Programming", a Java-centric guide to Clean Code, SOLID, and KISS with hands-on examples.

Android Developer at First Soft Solutions

Conceptualized, built, and evolved the “Learning Machine” app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment. Added new features, responsive UI, JSON-driven portfolio website, expanded app features including swiping effects and billing integration. Used Agile methodologies (Scrum/Kanban), version control (Git), Docker/Kubernetes, and rigorous testing (Unit, TDD).

Freelance Full-Stack & Web Developer at Self-employed / Freelance

Delivered end-to-end web solutions across industries with API-first design, microservices, containerization, DevOps pipelines and responsive front-ends.

Teaching - Web Development at DCI Digital Career Institute

Teaching modern web development focusing on full-stack technologies (JavaScript, Node.js, HTML5, CSS3, React, Express, MongoDB).

XML-based Trigger Management / MKS → IMS Migration at Continental

XML-based trigger management, MKS → IMS migration.

Production System Planning / Performance Analysis at Audi

Production system planning, performance analysis.

Internal Angular 16 Web App / SOLID & Design Patterns at Bosch

Internal Angular 16 web app, SOLID and design patterns, responsive UI.

Front-end / Back-end Enhancements at DWS/Morgenfund

Front-end/back-end enhancements, Azure/MSSQL.

IBM WebSphere DevOps / Performance Tuning at Inverso

IBM WebSphere DevOps, performance tuning.

Java/SOAP Services / DevOps Management at Smart InsureTech

Java/SOAP services, DevOps management.

Full-Stack Maintenance of Financial Market Portal at Fondsdepotbank

Full-stack maintenance of financial market portal.

Linux-console Replacement with AngularJS/Node.js at Flextronics

Linux-console replacement with AngularJS/Node.js.

JavaFX GUI / Neo4j Integration at Secodym

JavaFX GUI, Neo4j graph-database integration, Java/JavaFX.

Touchscreen HMI / PHP & C++ Interfaces at BDT

Touchscreen HMI, PHP/C++ interfaces, Jira/Confluence.

Portfolio Website - First Soft Solutions at First Soft Solutions

Portfolio Website PHP, responsive design, multi-language.

Android Developer at Self-employed / Learning Machine project

Conceptualized, built, and evolved the Learning Machine app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment.

Technical Author at Self-employed

Wrote Principles of Programming: a Java-centric guide to Clean Code, SOLID, and KISS, with hands-on examples.

Freelance Full-Stack & Web Developer at Freelance / Self-employed

Delivered end-to-end web solutions across industries with API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends.

Android Developer at Self-employed / Freelance

Conceptualized and built the Learning Machine Android app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment.

Teaching at DCI - Digital Career Institute

Teaching modern web development focusing on full-stack technologies such as JavaScript, Node.js, HTML5, CSS3, React, Express, and MongoDB.

Technical Author at Self-employed

Wrote Principles of Programming: a Java-centric guide to Clean Code, SOLID, and KISS, with hands-on examples.

Continental at Continental (Automotive & Manufacturing)

XML-based trigger management and MKS to IMS migration activities; contributed to system integration planning.

Audi at Audi

Production system planning and performance analysis; optimization of manufacturing workflows.

Bosch at Bosch

Internal Angular 16 web app development focusing on SOLID and design patterns and responsive UI.

DWS/Morgenfund at DWS/Morgenfund

Front-end/back-end enhancements, Azure/MSSQL – performance tuning and portal improvements.

Inverso at Inverso

IBM WebSphere DevOps, performance tuning and modernization tasks.

Smart InsureTech at Smart InsureTech

Java/SOAP services, DevOps management for insurance tech solutions.

Fondsdepotbank at Fondsdepotbank

Full-stack maintenance of financial market portal; integrated front-end with back-end services.

Flextronics at Flextronics

Linux-console replacement with AngularJS/Node.js; modernization of tooling.

Secodym at Secodym

JavaFX GUI with Neo4j graph-database integration; Java/JavaFX development.

BDT at BDT

Touchscreen HMI, PHP/C++ interfaces; project coordination via Jira/Confluence.

First Soft Solutions at First Soft Solutions

Portfolio website PHP, responsive design, multi-language support.

Freelance Full-Stack & Web Developer at Self-employed / Freelance

Delivered end-to-end web solutions across industries, focusing on API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends.

Instructor – Web Development at DCI - Digital Career Institute

Teaching modern web development focusing on full-stack technologies such as JavaScript, Node.js, HTML5, CSS3, React, Express, and MongoDB.

XML-based Trigger Management / Migration Specialist at Continental

XML-based trigger management, MKS → IMS migration.

Production System Planning / Performance Analysis at Audi

Production system planning and performance analysis.

Internal Angular 16 Web App Developer at Bosch

Internal Angular 16 web app development; applying SOLID principles and design patterns; responsive UI.

Frontend/Backend Enhancements at DWS/Morgenfund

Frontend/backend enhancements; Azure/MSSQL integration.

IBM WebSphere DevOps / Performance Tuning at Inverso

DevOps with IBM WebSphere; performance tuning.

Java/SOAP Services Developer / DevOps at Smart InsureTech

Java/SOAP services; DevOps management.

Full-Stack Maintenance at Fondsdepotbank

Full-stack maintenance of financial market portal.

Linux Console Replacement at Flextronics

Linux-console replacement with AngularJS/Node.js.

JavaFX GUI Developer / Neo4j Integration at Secodym

JavaFX GUI; Neo4j graph-database integration; Java/JavaFX.

Touchscreen HMI / Interfaces at BDT

Touchscreen HMI, PHP/C++ interfaces; Jira/Confluence.

Portfolio Website Development at First Soft Solutions

Portfolio website in PHP; responsive design; multi-language.

Freelance Full-Stack & Web Developer at Self-employed / Freelance

Delivered end-to-end web solutions across industries. Core responsibilities include API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends.

Teaching / Web Development Instructor at DCI - Digital Career Institute

Teaching modern web development focusing on full-stack technologies such as JavaScript, Node.js, HTML5, CSS3, React, Express, and MongoDB.

Software Engineer at Continental

XML-based trigger management, MKS → IMS migration.

Software Engineer / Production Systems at Audi

Production system planning, performance analysis.

Software Engineer at Bosch

Internal Angular 16 web app, SOLID and design patterns, responsive UI.

Frontend/Backend Developer at DWS/Morgenfund

Front-end/back-end enhancements, Azure/MSSQL.

DevOps / WebSphere Specialist at Inverso

IBM WebSphere DevOps, performance tuning.

Java Developer / DevOps at Smart InsureTech

Java/SOAP services, DevOps management.

Full-stack Developer at Fondsdepotbank

Full-stack maintenance of financial market portal.

Linux Console Replacement Lead at Flextronics

Linux-console replacement with AngularJS/Node.js.

Java / Neo4j GUI Integration at Secodym

JavaFX GUI, Neo4j graph-database integration , Java/JavaFX.

Software / HMI Interfaces at BDT

Touchscreen HMI, PHP/C++ interfaces , Jira/Confluence.

Freelance Web Developer at First Soft Solutions

Portfolio Website PHP , responsive Design , multi-language.

Android Developer at Learning Machine (self-initiated project)

Conceptualized, built, and evolved the Learning Machine app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment.

Technical Author at Self-employed

Wrote Principles of Programming: a Java-centric guide to Clean Code, SOLID, and KISS, complete with hands-on examples.

Angular Full-Stack Developer at Bosch

Developed an internal Angular 16 web application; Implemented SOLID principles and design-pattern-based architectures; Built REST APIs and contributed to C# backend modules.

C# Full-Stack Developer at DWS / Morgenfund

Enhanced and optimized frontend and backend systems; Improved performance of large-scale SQL datasets; Azure-based services, MSSQL, Natural, C#.

Java Full-Stack Developer at Secodym

Developed JavaFX GUI components and integrated Neo4j graph database; Extended web interfaces and REST services.

Full-Stack Developer at Flextronics

Replaced a Linux console application with a modern AngularJS/Node.js web solution; Developed REST APIs and microservices.