This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.

Resources to Prepare for Quant Developers/ Quantitative Researcher/ Quantitative Trader/ Quant Analyst/ Software Engineers in Quant Trading Firms, HFTs and Hedge Funds

Data Engineering Zoomcamp is a free 9-week course on building production-ready data pipelines. The next cohort starts in January 2026. Join the course here 👇🏼

Resources related to distributed systems, system design, microservices, scalability and performance, etc

Nest.js fundamentals source code with examples modules, providers, DI, Authentication, GraphQL, Prisma, MongoDB, Postgres

The Red Hat and IBM Node.js Reference architecture. The teams 'opinion' on what components our customers and internal teams should use when building Node.js applications and guidance for how to be …

Learn LeetCode and prepare for coding interviews with free resources.

Master programming by recreating your favorite technologies from scratch.

We need an automated backup strategy for our RDS instances to ensure business continuity.

Declarative functional cron expression builder

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Awesome books, tutorials, courses, and resources for the Ktor framework ecosystem. ⚡

Duplo senior backend engineer assessment

A full stack server side rendered e-commerce built with Next.js, TypeScript, Node.js, Express and MongoDB.

A Modern Kotlin-Ktor RESTful API example. Connects to a PostgreSQL database and uses Exposed framework for database operations.

A demo project for my dev.to article to demonstrate how to implement two-factor authentication in a Nest.js app.

🚀 A curated and opinionated list of resources (English & Russian) for Backend developers | Структурированный список ресурсов для изучения Backend разработки

A simple Kotlin backend API with CRUD & FULLTEXT search capabalities

An example API application using Node, Knex, and TypeScript

In this challenge, you will deploy resources in a Kubernetes cluster.

Real-time chat app using Firebase, React, TailwindCSS, MongoDB, Node/Express, and Socket.io

A list of Developer Community Writer Programs

📚 Freely available programming books

Scalable Competency Framework is a tool that defines the competencies of Junior and Senior Software Developers across a range of technical and soft skills within the software engineering industry.

Creating the architecture and design of a customer support ticketing system