Johan D.

Kunveno is a blockchain development studio building decentralized infrastructure on the Polkadot SDK.

• Designed and implemented decentralized runtime modules that contributed to the Polkadot SDK-based protocol architecture.
• Built Rust-based backend middleware that enabled Web2 user onboarding into Web3 ecosystems.
• Developed and deployed smart contracts using ink!, integrating contract logic with on-chain runtime extensions.
• Maintained smart contract development environments to accelerate prototyping and testing cycles.

G6 Networks is an infrastructure and blockchain operations company managing distributed node networks globally.

• Designed and built a customized GNU/Linux distribution based on Debian using Live Build for production deployment.
• Managed blockchain nodes across global regions, maintaining high availability and security standards.
• Developed tooling for blockchain interaction and extrinsics automation, reducing manual operational overhead.
• Designed and deployed self-hosted CI/CD pipelines, improving DevOps efficiency across teams.
• Implemented OS testing using QEMU/KVM, ensuring system stability before production releases.

Virto Network is an open-source project building decentralized commerce and payment infrastructure on Polkadot.

• Developed Rust-based Polkadot pallets and maintained parachain runtimes in line with the latest Polkadot SDK releases.
• Designed and implemented decentralized authentication modules using passkeys and JWT for non-custodial, on-chain identity management.
• Contributed to FOSS projects, including Parity, Encointer, and the ink! Alliance, as part of broader ecosystem collaboration.
• Built tooling and Rust applications for proof-of-concept validation and blockchain component testing.
• Implemented smart contract integrations using ink!, bridging runtime and contract layers to extend on-chain functionality.

Technica Electronics is a technology company providing solutions for connected vehicles and automotive communication systems.

• Contributed to the Linux Kernel through company projects, optimizing networking stack performance on embedded targets.
• Modified hostap (wpa_supplicant and hostapd) to improve secure wireless communication in automotive systems.
• Developed custom embedded Linux distributions using Yocto for in-vehicle telecommunication units.
• Implemented cross-compilation pipelines to ensure compatibility across Cortex-A and Cortex-M architectures.
• Built low-level system profiling tools to optimize high-speed communication performance in production environments.

Ficosa is a global automotive technology company specializing in vision, safety, and connectivity systems for vehicles.

• Developed embedded GNU/Linux operating systems using Yocto for automotive-grade hardware platforms.
• Integrated custom services into embedded Linux and real-time system environments.
• Designed CI/CD pipelines for embedded software using Git, Jenkins, GitLab, and SVN.
• Mentored new engineers on embedded Linux best practices and emerging automotive standards.