Soroush Yousefpour (Gabrimatic)
Senior Flutter Engineer and Mobile Tech Lead based in Berlin, Germany. Also known as Hossein Yousefpour. Software engineer at Affinidi (privacy-first interoperable trust infrastructure and digital identity) and Tech Lead at City-Flock (community safety app that matches people travelling the same way for safer everyday journeys).
Areas of expertise
- Flutter, Dart, cross-platform mobile engineering (iOS and Android)
- Mobile architecture, performance, and team leadership
- Web3 and decentralized digital identity (Affinidi Trust Network, verifiable credentials)
- Hedera Hashgraph - author of the first Hedera Dart SDK (gRPC-based)
- AI and LLM applications on mobile
Professional journey
- Software engineer at Affinidi - building the Internet of Trust; verifiable credentials, DIDComm, agentic-AI trust gateway.
- Tech Lead at City-Flock - community safety app matching people travelling the same way (foot, bike, public transport); real-time matching, in-app chat, SOS.
- Senior mobile engineer at Enpal (Berlin) - Germany's market leader in residential solar and heat pumps; mobile apps for the Enpal.One+ energy operating system used by 120,000+ households.
- Mobile Team Lead at Hashverse - Hedera Hashgraph crypto wallet dApp; authored the first Hedera Dart SDK on gRPC.
- Freelance consultant at DuckDuckGoose - European enterprise deepfake detection; mobile testing pipeline on Android.
- Mobile Lead at Medis (technology startup studio: software, hardware, informatics, robotics), Welf Group (Aloga Auction), Azhman Engineers, Utap Pars.
Explore
- Professional journey
- Interests - app development, photography, books, cinephilia
- Open source projects
- What does "Gabrimatic" mean?