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apexwis/README.md

Sebastian Wijnroks

Co-Founder & Tech Lead @ apexAI

System Design & Delivery  ·  AI Applications  ·  SaaS Infrastructure

apexAI

LinkedIn

About me

I'm Co-Founder and Tech Lead at apexAI, where we build production-ready AI applications, SaaS products and automation solutions for Swiss SMEs.

My focus is on turning ideas into reliable systems: from architecture and backend development to infrastructure, deployment and delivery. I work across application engineering, AI service integration, model fine-tuning, system design and the operational side needed to run software securely and reliably in production.

  • Technical ownership from concept to production
  • Backend systems, infrastructure and deployment pipelines
  • AI services, model fine-tuning and applied automation
  • SaaS development, integrations and scalable delivery
  • Languages: German, English

What I'm building

  • apexTranscribe — a SaaS product for AI-powered transcription, summaries and structured protocols
  • AI applications and internal tools for Swiss companies
  • Integration layers connecting business systems, ERPs and workflows
  • Reliable infrastructure for self-hosted and cloud-based deployments
  • Backend architectures built for stability, security and scale

Tech stack

TypeScript Next.js React Node.js NestJS PostgreSQL Prisma Docker Traefik Linux GitHub Actions Azure AI Foundry Supabase

Focus areas

  • AI product development
  • System architecture and technical delivery
  • Backend engineering and API design
  • SaaS infrastructure and DevOps
  • Business process automation
  • ERP and third-party system integrations
  • Model fine-tuning and AI service orchestration

Building production-ready AI systems at apexAI in Bern.

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