My Freelancer Profile
Senior Software Engineer, App & Full Stack, Architect & CTO
As a freelancer and IT consultant, I specialize in app development, web, chatbots and natural language processing (NLP) as well as fractional CTO (virtual CTO, "Rent-a-CTO") services. As a professional, my passion is to help CEOs, teams and companies build products that boast great usability, robustness and scalability.
App & Web Development
Android (Java, Kotlin) ⭐️
Ionic, Capacitor, Cordova ⭐️
Angular ⭐️
iOS (Objective-C, Swift) ⭐️
fastlane.tools
App Stores (Play Store / Apple App Store)
PWA, SPA
TypeScript, JavaScript
Angular Material, Bootstrap, Flexbox, CSS, jQuery
WordPress, PHP
Google Analytics, Firebase App Analytics
Grails, Groovy
Architecture / PM / leadership
GitLab / GitHub / JIRA ⭐️
Konzeption & UX (z.B. mit Balsamiq) ⭐️
Projektmanagement ⭐️
Team Lead ⭐️
Agile / Scrum
Chatbots / NLP
NLP (Dialogflow, Wit.ai, spaCy) ⭐️
Facebook Messenger Platform
Backend / Database / Cloud
Node.js, Express, NPM ⭐️
MongoDB (NoSQL), Mongoose, Atlas ⭐️
Firebase / Parse ⭐️
AWS, GCP, Digital Ocean, Hetzner ⭐️
MySQL / PostgreSQL / SQLite (relational databases)
Redis
Docker
Linux, Ubuntu, Debian
Apache, nginx, Tomcat
Domains, DNS, network
Miscellaneous
Online + app payment integration (PayPal, paysafecard, Recurly)
Crypto trading know-how (Binance API)
Techn. SEO know-how
Adobe Photoshop / Affinity Photo
NAS, Synology DiskStation administration
Unit Tests, JUnit
Continuous Integration (CI)
Load Testing, k6, JMeter
RxJS, AngularJS, NodeJS
Figma, Sketch
Local Availability
On-site: Vienna, Austria
Remote: Austria - Germany - Switzerland (DACH), USA, UK, worldwide
As a freelancer, I bring over 15 years of experience in app and web development to your project.
Further information such as hourly rate/daily rate and availability as well as contact options for a non-binding introductory meeting can be found under Contact or on the website of creative workline GmbH, my company for app development, freelancers and IT consulting in Vienna, Austria.