NN-RAG
RAG system for Croatian legal documents. Hybrid search over 38K+ documents from Narodne Novine with dense + sparse retrieval, reranking, semantic cache, and Croatian NLP.
Est. 2016 · Rijeka, Croatia
20 years of software engineering. DevOps, cloud infrastructure, and AI-augmented development — from architecture and design to production systems at scale.
A+E Global Media
DevOps and platform engineering via Metaintellect d.o.o. Infrastructure evolved from awscli scripts to Terraform to Pulumi with custom TypeScript components — reusable libraries the team builds on. AWS, Fastly CDN, DataDog observability.
Currently teaching the team AI-augmented engineering and Pulumi component design.
SIP (Software Intellectual Property GmbH)
Go and gRPC microservices for a patent technology company. Search over 150 million+ documents in Elasticsearch, concurrent patent translation via Azure, Stripe subscription system with daily sync jobs, structured logging to Elasticsearch/Sentry.
Qualtrak Solutions Ltd
Eight years with a QM software company, remote with a multinational team. Via UX Passion, then Metaintellect (founded 2016) until Qualtrak ceased operations in 2019.
Took the stack from a monolithic ASP.NET application to AWS serverless — Lambda, Step Functions, DynamoDB, Cognito. Used F#, C#, Python, and Node.js, each Lambda in the language that fit the job. Built the IntelliSearch Engine as a Step Functions pipeline for complex document search.
Also worked as external collaborator for Login d.o.o. on Hatch! — an iOS loyalty app (Swift, TCP sockets, POS).
Novatec · Multilink d.o.o.
Enterprise projects for international and domestic clients. Selfridges, TIA (King ICT), Public Lighting GIS at Novatec. First team leadership on GuestNet — a hotel guest web app for Maistra — at Multilink. T-Mobile requirements.
Polytechnic of Rijeka · Mapro
Where it started. Built systems for HALMP (Agency for Medicinal Products) — document archive, pharmacovigilance tracking, sales statistics. Webmaster at the Polytechnic of Rijeka. CARNet Linux admin at the University Library Rijeka. Linux server administration for universities and businesses across Croatia.
RAG system for Croatian legal documents. Hybrid search over 38K+ documents from Narodne Novine with dense + sparse retrieval, reranking, semantic cache, and Croatian NLP.
Full-stack app to catalog 4,600+ physical media items — vinyl, CDs, Blu-rays. Built entirely with AI, no React experience beforehand. Imports from Discogs and Blu-ray.com with full-text search.
Raspberry Pi 5 NAS with RAID 1 and multi-room Roon audio. HDMI audio bridge, 28TB storage for 2,200+ CDs ripped to FLAC.
Example REST API with .NET Core, EF Core, Docker Compose, JWT, Swagger, Serilog, Elasticsearch APM, SonarCloud. Full CI/CD with Travis and code coverage.
macOS setup with Aerospace tiling WM, SketchyBar, WezTerm, Zellij, Neovim, Karabiner. Dvorak layout, custom keybindings, secrets via Keychain.
Complete Void Linux install with i3-gaps, polybar, and full dotfiles for Lenovo ThinkPad x220 and t440s. Encrypted disk, custom scripts, minimal setup.
I'm available for contract work, consulting, or interesting collaborations. If you need someone with deep experience in cloud infrastructure, DevOps, backend systems, or AI engineering — let's talk.
ks@metaintellect.com