Minimal, clean code for the Byte Pair Encoding (BPE) algorithm commonly used in LLM tokenization.

The best ChatGPT that $100 can buy.

New generation PostgreSQL database adapter for the Python programming language

Summaries and resources for Designing Machine Learning Systems book (Chip Huyen, O'Reilly 2022)

Lightweight Durable Golang Workflows

offset-free paging for sqlalchemy

A high-throughput and memory-efficient inference and serving engine for LLMs

On the Theoretical Limitations of Embedding-Based Retrieval

A PostgreSQL extension for automatic bloat cleanup

List of resources for learning about modeling, operating, and using Amazon DynamoDB

fast data loading with binary copy

Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.

Lists of company wise questions available on leetcode premium. Every csv file in the companies directory corresponds to a list of questions on leetcode for a specific company based on the leetcode …

A collection of notes on Data Science

Python implementation of Protocol Buffers with dataclass-based schemaʼs

Import public NYC taxi and for-hire vehicle (Uber, Lyft) trip data into a PostgreSQL or ClickHouse database

This material is based on the System Design Masterclass (2025) course available on Udemy. You can find the course here: System Design Masterclass. You can also find many free resources related to t…

A lightweight data processing framework built on DuckDB and 3FS.

Perforator is a cluster-wide continuous profiling tool designed for large data centers

simple database written in golang

Fully open reproduction of DeepSeek-R1

Core Temporal SDK that can be used as a base for language specific Temporal SDKs

Fast job queuing and RPC in python with asyncio and redis.

💎 Robust job processing in Elixir, backed by modern PostgreSQL, SQLite3, and MySQL

Very fast lock-free queue (thread safe)

Container runtimes on macOS (and Linux) with minimal setup