Rói HolgarssonApplied AI & .NET Architecture
Multi-Agent Systems & Production-Grade Cloud Engineering
Building high-performance enterprise systems with agentic workflows, autonomous LLM orchestration, and resilient cloud-native .NET solutions.
Rói Holgarsson
Senior full-stack .NET consultant with 18+ years of experience delivering business-critical software across public and private sectors. Holds a Master's in AI & Algorithms from DTU. Co-founded Zakk and Vota. Deep expertise in cloud-native .NET, applied AI with multi-agent systems, and large-scale system integration.
Featured Projects
Zakkzakk.app
AI-powered customs and trade compliance platform. Converts unstructured trade documents into validated, machine-readable data for downstream customs workflows.
Vota
Restaurant data enrichment using multi-agent LLM workflows with tiered model routing across 40+ countries.
Ayvens / ALD Automotive
- •Key role in the technical merger of ALD Automotive and LeasePlan into Ayvens across DK, SE, and FI.
- •Built Tesla ordering integrations with multi-country eID signing flows.
- •Delivered B2B/B2C leasing platforms serving 30+ countries.
- •Elevated to cross-team Code Reviewer for ~100–120 developers.
Selected Outcomes
Technical Expertise
Career Timeline
Zakk
Vota
Ayvens / ALD Automotive
Klintra
Credentials & Qualifications
Frequently Asked Questions
What does Rói Holgarsson specialize in?
Rói specializes in full-stack .NET engineering, Azure cloud architecture, and applied AI with multi-agent LLM systems. He brings 18+ years of experience delivering business-critical software across public and private sectors worldwide.
What has he built?
He co-founded Zakk (an AI-powered customs and trade compliance platform) and Vota (a restaurant data enrichment service using multi-agent LLM workflows across 40+ countries). At Ayvens/ALD Automotive, he led the technical merger of two major leasing companies, delivering B2B/B2C platforms serving 30+ countries and acting as cross-team Code Reviewer for ~100–120 developers.
What kind of engagements does he take?
Rói is available for contract engagements — full-stack .NET development, AI architecture, and fractional-CTO advisory. He works with both startups and enterprise teams.
What are his credentials?
Rói holds an M.Sc. in AI & Algorithms from the Technical University of Denmark (DTU, 2022) and a B.Sc. in Software Engineering from the University of the Faroe Islands (2015–2018). He also serves as an External Examiner at the University of the Faroe Islands.
Ready to Accelerate Your Platform?
Available for full-stack .NET architecture, multi-agent AI engineering, and fractional-CTO advisory contracts.
Currently booking contract & advisory engagements.
roi@holgarsson.dk