Dominik Wei-Fieg-Head of Mobile Development / CTO
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Experience
Head of Mobile Development / CTO
MOSAIC BLABBER
- Technology strategy planning concerning the client-server and blockchain environments
- Development of smart contracts for the EOS blockchain using C++, Python and JavaScript and for Ethereum using Solidity
- Development of the BLABBER mobile app for iOS and Android using React Native
Owner / Software Developer
Ars Subtilior
- Created mobile apps for IoT connected devices using Bluetooth Mesh and WiFi connectivity for Honeywell, Atlantik Elektronik, Ansorg, Zumtobel, Micas and HenselVisit
- Implemented mobile iOS apps for diverse customers including location based apps (Inforad / PIXITIS), news apps (barfi.ch), social networking apps (prototype for iDressApp.de), business apps (beontra, HighQ) and design / entertainment apps (344design)
- Consulting and implementation of an iOS client framework for the Genero Business Development Language (4js)
- Implementation of an audio therapy software for macOS and iOS based on the Tomatis method (hoer.akademie)
- Creation and distribution of iOS apps on the App Store as independent developer
Software Developer, R&D and Technical Consultant
Interactive Objects Software GmbH
- Implementation of visual business modeling editors, integration layer with Rational Rose UML and the code generation engine
- Main driver for the migration of ArcStyler to Rational Software Modeler, coordinated the transition from a custom framework and Swing-based UI to Eclipse plugins and SWT, implementation of generators and MOF based model repositories
- Development of a framework for Model Driven Software Migration: text parsing engine, AST transformation, MOF based repository and code generators
- Coordination and implementation of test driven development and UI tests for the private banking backoffice software of CreditSuisse
- Creation of the intranet corporate identity image database for CreditSuisse
- Support of model driven software migration at CreditSuisse: implementation of a parser and UML importer for COBOL
- Implementation of model driven outsourcing for Zurich: PL/1 parsing, UML model creation and workflow design
Technical Project Manager
Cult Group GmbH
- Managed a team of on- and off-site developers, coordination of programming work with project managers and head of design, ensured project milestones and quality assurance
- Coordination, project management and software development for Brokat, LBBW, Bundesrepublik Deutschland – Finanzagentur GmbH, etc.
- Development of banking web applications using J2EE, EJB, JSP and mobile applications using WAP
Production Manager
Cult Interactive GmbH
- Managed the transition of the development process from CGI-scripts to JSP and PHP
- Enhanced the company offering with desktop applications
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, and Insurance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Strategy, Quality Assurance, Research and Development, and Project Management.
Summary
- 20-year career in programming
- Experienced in design, analysis and development of mobile, desktop as well as large scale enterprise applications
- In-depth knowledge of object-oriented and functional programming and design patterns
- Hands-on experience in blockchain development using solidity and eosio.cdt
- Team-oriented, implementation-driven, pragmatic and solution focused
Languages
Education
Seoul National University
Traditional Korean Music · Korea, Republic of
University of Tübingen
Korean Studies · Tübingen, Germany
Musikhochschule Karlsruhe
Diploma Music Theory Teacher · Music theory and computer music / DSP · Karlsruhe, Germany
Certifications & licenses
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Dominik is based in Stuttgart, Germany.
Dominik speaks the following languages: German (Native), English (Advanced), Korean (Intermediate), Chinese (Intermediate).
Dominik has at least 26 years of experience. During this time, Dominik has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 5 years and 3 months. Note that Dominik may not have shared all experience and actually has more experience.
Based on recent experience, Dominik would be well-suited for roles such as: Head of Mobile Development / CTO, Owner / Software Developer, Software Developer, R&D and Technical Consultant.
Dominik's most recent position is Head of Mobile Development / CTO at MOSAIC BLABBER.
In recent years, Dominik has worked for MOSAIC BLABBER and Ars Subtilior.
Dominik is most experienced in industries like Information Technology, Banking and Finance, and Insurance.
Dominik is most experienced in business areas like Information Technology, Product Development, and Strategy. Dominik also has some experience in Quality Assurance, Research and Development, and Project Management.
Dominik has recently worked in industries like Information Technology.
Dominik has recently worked in business areas like Information Technology, Product Development, and Strategy.
Dominik holds a Bachelor in Korean Studies from University of Tübingen.
Dominik has 1 certificate: Certified Project Management Practitioner / IPMA Level D.
The availability of Dominik needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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