Engineering insights, AI perspectives, and technical deep dives from the CosX team.

Why CosX sees monorepos as a context strategy for AI agents: advantages, risks, mitigations, and the CosX way of building full-stack agentic workflows.

How CosX uses contract-driven agentic engineering to move from vague AI coding to reliable, testable, production-grade delivery.

We swapped fifteen LLMs into one production analytics agent, changed nothing else, and measured what separates a model that fits a multi-step system from one that doesn't. An open-weight model tied our proprietary baseline.

As we witness the next wave of internet evolution, Web3 and blockchain technology are redefining how businesses operate, build trust, and scale globally. Whether you’re running a supply chain company, a retail platform,…

The Ghost of the GIL For as long as I’ve written Python, there’s been one phrase that inevitably shows up in every discussion about performance — the GIL. The Global Interpreter Lock, or GIL, has been both a guardian and…

Written by Bishakh Neogi At CosX, we built a platform where performance and responsiveness were non-negotiable. Our components often dealt with live job data, complex filters, and multiple data views switching rapidly. I…

Written By: Abhinil Agarwal An introductory manual for newcomers looking to venture into cryptocurrency investment in the year 2025 Reviewing to my early post on hackernoon in Feb,2024, I am extending the article with mo…

Written By: Gurleen Kaur The Pain and the Promise of Code Reviews Here at CosX.ai, we make no compromises on shipping rock-solid code. As a team building complex backend infrastructure and AI-automated systems, we’ve alw…

Written by: Bishakh Neogi Problem Statement Imagine you’re a developer working on a Next.js web application. You want to improve user experience by testing different features, but you’re unsure which version will perform…

Written By: Bishakh Neogi Problem Statement In today’s fast-paced digital world, ensuring timely and engaging communication with users is paramount for any web application. Push notifications have become a vital tool in…

Written By: Bishakh Neogi Problem Statement Integrating a Next.js application with MiniPay in today’s fast-paced world poses numerous challenges, particularly in achieving seamless integration with blockchain wallets and…

Deployments can become a huge pain if any config is missed while setting up the deployment infra. Almost every time we face the below situation if deployment steps are not done correctly. I did everything right, followed…

If you’re looking to host your Next.js/React.js frontend application along with your Spring Boot backend on AWS EC2 with Nginx as a reverse proxy, this article aims to provide beginner-friendly guide to help you seamless…

React Native(RN) developers are in very high demand, startups, as well as tech giants are hunting them to improve their products. As the demand is going up for RN, a lot of people are trying, practicing, and mastering th…

React-Native(RN) apps suffer huge performance issues as compared to native apps. During initial development days such challenges are ignored but as soon as the app grows developers find it difficult to improve. Sometimes…

There are enough blogs on Lazy Loading using FlatList but how do we implement lazy loading when we are not using FlatList. This blog will help you do that. Sometimes scrollView may contain images and other components to…

This blog will help you build a complete push notification engine for your react-native application using firebase. Just follow along and comment in the section below if you find any problems. There are various open-sour…

React Native(RN) community has evolved a lot since 2015 from version 0.1.0 to 0.62.2. They do a lot of breaking changes in their major releases and on top of that Google, does the rest. With so much change going on, it’s…

Writing simple TypeScript is easy and fun, but when it comes to advanced TypeScript, it becomes complex and difficult. One of the most challenging use cases that engineering teams encounter is integrating backend APIs wi…

React Native version 0.64 is here. It’s already been 3 weeks since it was released and it’s full of new surprises. Though I suggest waiting for a couple of more weeks before you upgrade to the new version. I also believe…

Connecting Jenkins to a private Github repository can be a pain if not done properly. Also, I would recommend you to check out how things work for a public Github repo. If you have already tried it, good. Otherwise, foll…

One of the simple and interesting tools in DevOps is Jenkins. Another tool which is generally used is Github, which has one of the biggest open source community, is no more required to explain. In this blog, we will see…

After spending nearly 6 years building applications with React-Native, I learned a lot of lessons hard way. This blog will help you to not commit the mistakes that I did and your codebase will be in good shape any time y…