Adrian Falch Karlsen
Full-Stack
Architect.
I am a full-stack software engineer with a burning passion for technology. Bringing years of experience spanning management, design, development, and the maintenance of large-scale systems.
Philosophy
"True scalable systems cannot exist in a vacuum; they require a deep, holistic understanding of the entire product lifecycle."
By maintaining hands-on experience across management, UI/UX design, and end-to-end full-stack development, I build systems that are not only technologically resilient but deeply aligned with practical reality. From designing intuitive interfaces directly in Figma to implementing CLEAN architecture and managing massive AWS deployments—my approach removes the friction between design, engineering, and infrastructure.
Expertise
CLEAN Architecture
Championing modular, robust, and highly testable codebases using CLEAN architecture principles across enterprise ERP systems and e-commerce platforms.
Identity & Security
Designing secure authorization matrices implementing OpenID Connect (OIDC), OAuth, TOTP, and strict Access Control Lists (CASL).
Cloud Infrastructure
Deploying high-availability architectures across AWS and Google Cloud, leveraging auto-deployment pipelines, EC2 arrays, and serverless clusters.
Full-Stack Pipelines
Bridging the complex gap between modern frontend React ecosystems and heavily typed Node.js/TypeScript backend REST and GraphQL API layers.
Chronology
Full-Stack Software Engineer
Catacloud AS, Oslo
Led the development of a complex authentication and authorization system based on the OpenID Connect (OIDC) protocol. Successfully introduced and established CLEAN architecture across the company infrastructure. Continued active development on massive React applications and deep Node.js/TypeScript backend APIs for advanced ERP accounting systems.
Chief Technology Officer (CTO)
WATCH VAULT AS, Oslo
Served on the executive team acting as the primary technical authority for an IT startup, building a completely custom proprietary e-commerce ecosystem. Directed an in-house development team and managed the entire modern stack: from UI/UX design in Figma, through deployment pipelines, leveraging NestJS and cross-platform native Ionic architecture over AWS and Google Cloud.
Software Developer
Ntention
Spearheaded advanced prototyping and R&D for a smart-glove technology stack. Designed and developed high-performance, real-time gesture recognition algorithms using C/C++ communicating heavily over UDP protocols to hardware edge nodes.
Technical Index
Languages
- TypeScript / JS
- C / C++
- HTML5 / CSS3
- SQL (Postgres, MySQL)
Infrastructure
- AWS (EC2, S3, RDS)
- GCP / Firebase
- Docker
- CI / CD Pipelines
Services (Data)
- Node.js / Express / Nest
- GraphQL & REST
- Redis / Memcached
- TypeORM / Drizzle
Frontend & UX
- ReactJS / Redux
- Next.js / Tailwind CSS
- Figma / Adobe XD
- Mobile (Ionic)