BCareerByteCodeByteLabs

ByteLabs

Realtime projects, end to end.

Hands-on usecases for working professionals across Cloud, DevOps, AI, ML and DSA. Every lab is copy-paste runnable: problem, why, when, prerequisites, step by step, and conclusion.

15 labs 6 categories 1 career track

Career tracks

Guided paths that map to a job. Finish a track, build a resume-ready portfolio.

Project bundles

A set of realtime projects with a certificate when you finish them all. The first lab of every bundle is free.

2 bundles

All labs

15 labs
DevOpsIntermediate

Containerize and Run a Service with Docker Compose

Package an app and its database into containers and run the whole stack locally with one command.

CareerByteCode 30 min
CloudBeginner

Hands-On with Azure Firewall: Hub-and-Spoke Architecture Deployment

Deploy Azure Firewall in a hub-and-spoke topology and force all VM traffic through it, then debug why network rules alone can't filter HTTPS and fix it with application rules.

infantus godfrey
CloudIntermediate

Hands-on with Standardized Change Management for Azure Deployments

Build an auditable Azure change-management pipeline that gates every production change behind Work Item approval, executes it with a self-validating Python runbook, and logs it automatically to Confluence.

infantus godfrey
AIBeginner

Zero-Cost AI Development: Integrating Claude Code with Free OpenRouter LLMs in VS Code

This hands-on lab guide walks developers through setting up Claude Code inside Visual Studio Code without incurring subscription fees or hit-token limits on paid API tiers. By re-routing Claude Code's backend environment to OpenRouter.ai, developers can leverage open-source and free LLM models for continuous building, experimentation, and agentic workflows at zero cost.

Archana Jagannathan
Generative AI & LLMsBeginner

AI-dummies : How to run an LLM on cloud without losing Money?

Setting up an LLM from Hugging face and watch it run on Lightning AI without spending money

Arun Kumar
CloudIntermediate

Hands-on with Azure Arc: Centralized Management of On-Premises infrastructure

Connect an on-premises server to Azure Arc and enforce a centralized continuous security baseline

infantus godfrey
DSAIntermediate

Rate Limiter with the Sliding Window Log

Cap requests per user per window accurately using a sliding window log, the algorithm behind real API limits.

CareerByteCode
DSABeginner

Build an LRU Cache from Scratch

Implement a least-recently-used cache with O(1) get and put, the classic interview and systems building block.

CareerByteCode
Machine learningExpert

Image Classification with Transfer Learning

Fine-tune a pretrained vision model on your own small image set and reach strong accuracy without a GPU farm.

CareerByteCode
Machine learningIntermediate

Train and Serve a Churn Prediction Model

Train a classifier on customer data and serve its predictions behind a small HTTP endpoint.

CareerByteCode
AIBeginner

Summarize Long Documents with an LLM API

Turn a long report into a short, faithful summary using map-reduce chunking so you never blow the context window.

CareerByteCode
AIIntermediateFree

Build a RAG Q&A Bot over Your Own Documents

Answer questions from your own PDFs and notes by retrieving relevant chunks and grounding an LLM on them.

CareerByteCode
DevOpsBeginner

CI/CD for a Node App with GitHub Actions

Run tests and build on every push, then publish an artifact, using a free GitHub Actions workflow.

CareerByteCode
CloudIntermediate

Build a Serverless API with AWS Lambda and API Gateway

Expose a small HTTP API with no servers to manage: a Lambda function behind API Gateway, deployed from the CLI.

CareerByteCode
CloudBeginnerFree

Host a Static Site on AWS S3 and CloudFront

Publish a static website on S3, serve it fast and secure over HTTPS with CloudFront, all inside the AWS free tier.

CareerByteCode