Soroush Yousefpour (gabrimatic)
Software Engineer and Tech Lead based in Berlin, Germany. Also known as Hossein Yousefpour. Software engineer at Affinidi (privacy-first interoperable trust infrastructure and digital identity) and Technical Team Lead at City-Flock (an app that pairs people travelling the same way into companion journeys).
Languages: English, German, Farsi.
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 (full-time, since Jan 2025) - building the Internet of Trust; verifiable credentials, DIDComm, agentic-AI trust gateway.
- Technical Team Lead at City-Flock (part-time, since Apr 2025) - app matching people travelling the same way into companion journeys (foot, bike, public transport); real-time matching, in-app chat, SOS.
- Senior mobile engineer at Enpal B.V. (Berlin, full-time, Nov 2022 - Dec 2024) - Germany's market leader in residential solar and heat pumps; customer-facing Android and iOS apps for home energy systems.
- Mobile Lead at Welf GmbH (full-time, Mar 2022 - Sep 2022) - enterprise mobile delivery; CarePoint healthcare workflows and the App Store release path for Aloga Auction.
- Freelance consultant at DuckDuckGoose (Jun 2022 - Aug 2022) - European enterprise deepfake detection; mobile pipeline on Android.
- Mobile Team Lead at Hashverse (contract, Feb 2022 - Aug 2022) - Hedera Hashgraph crypto wallet dApp; authored the first Hedera Dart SDK on gRPC.
- Mobile Engineer at Medis (technology startup studio: software, hardware, informatics, robotics; full-time, Apr 2020 - Mar 2022), Azhman Engineers (full-time, May 2018 - Apr 2020), Utap Pars (freelance, Oct 2018 - Aug 2019).
Explore
- Professional journey
- Interests - building things, photography, reading, and cinema
- Open source projects
- What does "gabrimatic" mean?
- Agent discovery - MCP, A2A, OAuth, JSON API, WebMCP
Contact and profiles
No public email is exposed by design. LinkedIn DM is the preferred channel for recruiting and professional outreach. GitHub for issues, PRs, and technical questions about the open-source projects.