Željko Šević | Node.js Developer

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Željko Šević

Software Engineer, Node.js Developer

Recent posts

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Database locking with raw SQL (FOR UPDATE)

August 11, 2026

Request validation with Zod in Express

Git hooks with Husky

Cron jobs and schedulers with BullMQ

Integration with Lever public jobs API

Integration with Workable public jobs API

Integration with Greenhouse public jobs API

Integration with Ashby public jobs API

Request context in Node.js with AsyncLocalStorage

Nginx local setup

Docker Compose overview

Git SSH keys setup

Conversation memory for LangChain agents

Building AI agents with LangChain

Document loaders and chunking with LangChain

LangChain overview for Node.js

Node Version Manager (nvm) for Windows

DynamoDB and SQS containers with Docker Compose

Building AI agents with OpenAI Agents SDK

Infrastructure as Code (IaC) with AWS CDK (EC2 Example)

AI image generation with OpenAI API

Building AI agents with Vercel AI SDK

LLM integration with OpenRouter

LLM integration with Vercel AI SDK

Building an MCP server with Node.js

Supabase basics with Node.js

RAG with OpenAI Embeddings, pgvector and LangChain

Integration with Hugging Face Inference API

LLM integration with OpenAI Responses API

Browser automation with Playwright

Deploying Node.js apps to Railway

Infrastructure as Code (IaC) with Terraform (AWS EC2 Example)

Load and stress testing with Artillery

2024

2023