20+
Proven Expertise
With two decades of experience in software engineering, delivering robust, scalable solutions for startups and enterprise clients. Skilled in full-stack development, cloud architecture, and team leadership.
Rok Mohar
Available for new projects
Senior Software Engineer.
Experienced software engineer dedicated to building cutting-edge tools and tailored solutions that streamline processes and empower businesses to achieve success.
- 20+ yrs
- TypeScript
- Node.js
- React
01 — What I do
Robust, scalable software — from idea to production.
Successful Projects
Led the development of multiple high-impact projects, including scalable web platforms, innovative SaaS tools, and efficient automation systems. Delivered on time and exceeded client expectations.
Problem-Solving Mindset
Known for tackling complex challenges with innovative solutions. Whether debugging intricate systems or optimizing workflows, I turn obstacles into opportunities for growth.
Tech stack
Tools I build with every day
- TypeScript
- JavaScript
- Node.js
- NestJS
- React
- React Native
- Expo
- Astro
- Tailwind CSS
- MedusaJS
- Docker
- Coolify
- Git
02 — Writing
Notes on backend, frontend and shipping.
-
What an AI Feature Really Costs
How to estimate the running cost of an AI feature before you build it: tokens, caching, agents, hidden costs and the levers that cut the bill, with worked examples.
- AI
- Strategy
-
Building an MCP Server for Your SaaS with NestJS
How to expose an existing NestJS product to AI agents with a production-ready MCP server: task-shaped tools, OAuth, per-user permissions, safe write actions and deployment.
- AI
- NestJS
-
Adding AI Agents to Existing Apps: What Actually Works in Production
A practical guide to adding AI agents to an existing application: choosing the right job, tools, permissions, background execution, evaluation and a safe rollout.
- AI
- Architecture