Every engineering team hits this conversation at some point. Someone proposes GraphQL. Someone else says REST is fine. A third person mentions gRPC and half the room goes quiet. The debate usually ends with the most senior person in the room picking what they're most familiar with. That's not a strategy — that's habit. Here's an objective breakdown of all three, when each one wins, and how to actually make the decision for your specific use case. The Core Mental Model Before comparing them, understand what each one is optimizing for: REST optimizes for simplicity and broad compatibility GraphQL optimizes for flexibility and precise data fetching gRPC optimizes for performance and strongly-typed contracts None of them is universally better. Each one is a tradeoff. The right answer depends entirely on who is consuming your API and what they need from it. REST — The Default That Still Wins Most of the Time REST (Representational State Transfer) is not a protocol. It's an architectural style built on HTTP — verbs, URLs, and status codes most developers already understand. Where REST genuinely wins: Public APIs. If external developers are consuming your API, REST is the only reasonable default. The tooling, documentation patterns, and developer familiarity are unmatched. Stripe, Twilio, GitHub — all REST. Simple CRUD services. If your resource model is straightforward, REST maps cleanly to it. No overhead, no learning curve, no ceremony. Browser-native requests. REST over HTTP works directly in the browser without any special client. Fetch it, done. Where REST struggles: Over-fetching and under-fetching. A single REST endpoint returns a fixed shape. Mobile clients that need 3 fields get 40. Separate data needs often require multiple round trips. Versioning overhead. As covered in our previous post — every breaking change forces a versioning decision. This compounds quickly on complex APIs. GraphQL — Powerful, But You Need to Earn It GraphQL is a query language for your A

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Tools like Claude Code and Codex have completely reshaped how software engineering is done. This new tooling allows for much faster development and iteration, but it's important to keep the code maintainable and scalable to make sure the project can continue evolving over the long term. A template project with an initial structure using all of the technologies described here is available on GitHub: https://github.com/MartinXPN/nextjs-firebase-mui-starter When working on a startup, the speed of iteration is key. The requirements change quickly, features are added daily, and code gets modified rapidly. In those conditions, picking technologies that enable fast iteration, while ensuring your users get the best experience possible, is crucial. During the last four years or so, we have experimented with many modern technologies while building Profound Academy . So, in this blog post, I'd like to present the whole tech stack that enables building quickly, while having a highly maintainable codebase, scalable infrastructure, and a great user experience. We'll cover everything from Authentication to UI, we'll talk about the backend, hosting, testing, and much more! AI Agents, Skills, and MCP servers AI Agents enable quick iteration and rapid improvement, including bug fixes, the addition of new features, and performance improvements. Yet, it's important to keep the code maintainable for the long run. AI tools make it really easy to overengineer things and add thousands of lines of code to a project. It's important to resist the urge to solve problems that don't exist yet, and keep things simple (both in terms of the code, the infrastructure, and the user experience). Even in the Agentic Software Development Era, having a small and simple setup helps. Agents coordinate better, features are added faster, bugs are fixed more easily, and the code is maintainable by humans, too. So, we have chosen to take a balanced/nuanced approach to how we use AI Agents when it comes to worki

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Commodore's Call Back 8020 is a phone “where the customer is not the product."

At the end of a tense and scoreless first half of a soccer match between the English men’s team and rival Germany, millions of Brits let out a collective sigh and did what they so often do in moments of stress: They made tea. That wave of electric kettles clicking on, however, caused a different…

When Christian Simpson, a retro gaming YouTuber also known as Peri Fractic, bought the remains of an early PC company called Commodore in 2025, he decided to pick up right where the original Commodore left off. Which meant starting product development in the mid-1990s. Simpson and his team first set to work reviving the company's […]

With a retro look and T9 texting, the Commodore Callback 8020 smart flip phone taps into the nostalgic yearning for simpler days. It can run Spotify and Uber, but Instagram is blocked.

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