Rói HolgarssonApplied AI & .NET Architecture

Multi-Agent Systems & Cloud-Native Engineering

Building intelligent solutions with agentic workflows, LLM orchestration, and production-grade .NET systems.

Let's Build Something GreatConnect on LinkedIn
18+
Years Experience
2
AI Startups
40+
Countries
M.Sc.
AI & Algorithms
Rói Holgarsson — Full-Stack .NET Engineer and Azure Architect

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.

M.Sc. in AI & Algorithms
B.Sc. in Software Engineering

Featured Projects

Zakkzakk.app

Co-Founder & CTO · 2026 – Present
Active

AI-powered customs and trade compliance platform. Converts unstructured trade documents into validated, machine-readable data for downstream customs workflows.

C#.NET 10Blazor ServerReactPostgreSQLAI/LLM APIs

Vota

Co-Founder & AI Specialist · 2025 – 2026

Restaurant data enrichment using multi-agent LLM workflows with tiered model routing across 40+ countries.

C#.NET 10Blazor ServerPostgreSQLAzure Service BusAI/LLM APIsPlaywright

Ayvens / ALD Automotive

Tech Lead & Senior Developer · 2022 – 2025
  • 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.
C#.NETAngularReactTypeScriptAzure DevOpsMicroservices

Selected Outcomes

30+
countries served via Ayvens B2B/B2C leasing platforms
~100–120
developers covered as cross-team Code Reviewer at Ayvens
40+
countries covered by Vota's multi-agent LLM data enrichment

Technical Expertise

C# / .NET11 yr
SQL / PostgreSQL11 yr
TypeScript11 yr
Entity Framework10 yr
Azure / Cloud9 yr
Blazor8 yr
Microservices8 yr
AI / LLM3 yr
ReactNext.jsAngulargRPCRedisPlaywrightService BusREST APIsSystem Integration

Career Timeline

2026 – Present

Zakk

Co-Founder & CTO
AI/LLM.NETBlazor
2025 – 2026

Vota

Co-Founder & AI Specialist
AI/LLMPlaywright.NET
2022 – 2025

Ayvens / ALD Automotive

Tech Lead & Senior Developer
.NETAngularMicroservices
2021 – 2022

Klintra

Software Developer
Blazor WASMAzure DevOps
+ SAR, Maritime Licensing, National Digitalisation, Formula, Freelance

Credentials & Qualifications

M.Sc. AI & Algorithms
DTU — 2022
External Examiner
Univ. Faroe Islands — 2023+
Languages
Faroese · Danish · English

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.