Articles

Modern payment systems become complex when handling repeat transactions. Behind the scenes, engineers deal with scheduling, retries, state management, event processing, and reliability challenges. This article will look at seven backend challenges teams face when building systems that process repeat payments.

In this article, a backend engineer shares their insights on robot reliability and API security, drawing from their experience with the Robot Playground MVP.

Troubleshoot Node.js performance issues before they impact your application's p95 latency. Learn how to use runtime signals and metrics to optimize your Node.js application's performance.

In this step, I transformed the application into a real social network by implementing the Follow System, addressing the challenge of modeling relationships between users and efficiently retrieving timelines.

Infinite recomputation issues in Odoo development are often caused by poorly designed computed fields. Learn how to identify and fix these issues to ensure fast, stable, and predictable performance.

Developers often prefer using Object-Relational Mapping (ORM) tools like Drizzle and Prisma to interact with their databases instead of raw SQL. But which one is better?

SSH (Secure Shell) is a secure protocol for accessing and managing remote servers. It's widely used by developers to connect to Linux servers securely.

In this article, we'll take the next step in optimizing social graphs by leveraging Redis and BullMQ to solve timeouts and rate limits.

Billing is often used as a perfect example of high-volume transactions in action. Every single transaction matters, making it crucial to have accurate and efficient systems in place.

Node.js is a powerful JavaScript framework that enables developers to build fast, scalable, and efficient server-side applications. In this article, we'll explore what Node.js is, its benefits, and provide a step-by-step guide on how to get started.

Developers frequently select the wrong database type for their projects, leading to performance issues and scalability problems. This is often due to a lack of knowledge about the different types of databases and their applications.

In this article, we'll explore the performance optimization of FastAPI systems using Pydantic v2, uvloop, and HTTP/3. We'll discuss the benefits of each technology and provide a practical tuning map to help you optimize your FastAPI applications.