10/08/2026 updated


100 % available
Security and IoT Architect | CTO | C#/.NET Developer | Technology Consultant
Concon, Chile
Only remote
M.Sc. in Mathematics with honors, Stockholm UniversityAbout me
Mathematician & Software Engineer. Native from Sweden, resident in Chile. Have worked with innovation in IoT, Smart cities, smart buildings, smart homes, smart factories, financial services, communication, cybersecurity, decentralized architecture, privacy, in small, medium and large companies.
AI AgentsIoTLLMC Sharp (Programming Language)Message Queuing Telemetry Transport (MQTT)OAuthSoftware ArchitectureSmart ContractsSmart CitiesInternet of Things (IoT)IoT Security
Security and Identity
Expertise in application security, cryptography, end-to-end encryption, OAuth 2.0/2.1, digital identities, privacy architecture, GDPR compliance, and post-quantum cryptography including ML-KEM and ML-DSA.
IoT Architecture and Protocols
Deep knowledge of IoT communication protocols including XMPP, MQTT, CoAP, and Modbus, as well as device provisioning, interoperability, semantic web, and architecture and security reviews for connected systems.
C#/.NET Software Development
Hands-on development in C#, .NET, and .NET MAUI, building secure APIs, protocol libraries, embedded firmware, distributed systems, IoT gateways, and MCP server and OAuth capabilities including dynamic client registration.
Distributed Systems and Smart Contracts
Development of technology for automation and interoperability based on smart contracts, generating distributed APIs from contract definitions to connect applications and services.
Model Context Protocol (MCP)
Implementation of MCP server capabilities as part of reusable .NET libraries for networking, authentication, and device integration.
Embedded Firmware Development
Experience spanning embedded firmware development and metering applications, including work as an independent consultant and software engineer.
IEEE Standards and Technical Contributions
Active IEEE Senior Member and editor of P1451.99 for harmonization of IoT devices and systems. Authored XMPP extension specifications for IoT and contributed to UPnP Device Architecture 2.0.
Technology Advisory and Developer Education
Advisory services to development teams and boards on IoT, communication protocols, and distributed architecture, including software design reviews, security assessments, and tailored technical lectures.
GDPR and Privacy Architecture
Advisory work translating privacy principles into software architecture, communication, and security decisions for connected systems, including work for Scania Connected Services.
Expertise in application security, cryptography, end-to-end encryption, OAuth 2.0/2.1, digital identities, privacy architecture, GDPR compliance, and post-quantum cryptography including ML-KEM and ML-DSA.
IoT Architecture and Protocols
Deep knowledge of IoT communication protocols including XMPP, MQTT, CoAP, and Modbus, as well as device provisioning, interoperability, semantic web, and architecture and security reviews for connected systems.
C#/.NET Software Development
Hands-on development in C#, .NET, and .NET MAUI, building secure APIs, protocol libraries, embedded firmware, distributed systems, IoT gateways, and MCP server and OAuth capabilities including dynamic client registration.
Distributed Systems and Smart Contracts
Development of technology for automation and interoperability based on smart contracts, generating distributed APIs from contract definitions to connect applications and services.
Model Context Protocol (MCP)
Implementation of MCP server capabilities as part of reusable .NET libraries for networking, authentication, and device integration.
Embedded Firmware Development
Experience spanning embedded firmware development and metering applications, including work as an independent consultant and software engineer.
IEEE Standards and Technical Contributions
Active IEEE Senior Member and editor of P1451.99 for harmonization of IoT devices and systems. Authored XMPP extension specifications for IoT and contributed to UPnP Device Architecture 2.0.
Technology Advisory and Developer Education
Advisory services to development teams and boards on IoT, communication protocols, and distributed architecture, including software design reviews, security assessments, and tailored technical lectures.
GDPR and Privacy Architecture
Advisory work translating privacy principles into software architecture, communication, and security decisions for connected systems, including work for Scania Connected Services.
Experience
Professional experience10+ years
Freelancer since1988
Languages
GermanBasic knowledgeEnglishFluentFrenchBasic knowledgePortugueseBasic knowledgeSwedishNative speakerSpanishFluent
Project history
Developing technology for automation and interoperability based on smart contracts, in cooperation with Trust Anchor Group. Generating distributed APIs from contract definitions to connect applications and services.
Creating open, interoperable and secure infrastructure for smart societies, connecting IoT systems with digital identities, smart contracts, programmable payments and asset tokenization. Developing secure communication and identity technology across the Neuro ecosystem, including end-to-end encryption and post-quantum support using ML-KEM and ML-DSA.
Advising development teams and boards on IoT, communication protocols and distributed architecture; reviewing software designs and security, and delivering tailored technical lectures. Building and maintaining IoT Gateway and reusable C#/.NET libraries for networking, authentication, cryptography and device integration. Implementing MCP server and OAuth capabilities, including dynamic client registration and device authorization.