A brief introduction to Lean Six Sigma by Aidan Bourke Lean Six Sigma is a methodology that combines the principles of Lean and Six Sigma to improve business processes. It focuses on eliminating waste and reducing…

In November 2018, I joined the Tesco Apprenticeship programme and graduated in January. Prior to this, I worked as a product technologist in grocery and later as a technologist in household products. My role…

Context:Machine Learning/Deep Learning/Statistical algorithms majorly rely on multi-dimensional computations on Matrix, Vector etc to bring the clustering effect to the equations. Compared to the Uni-variate…

IntroductionI recently tackled some tech debt that highlighted a potential lack of idempotency in one of our services’ event processing. Upon closer inspection, I discovered that while the event was designed with i…

Introduction In a challenging ecosystem like Tills, characterized by limited access to resources, a host runs multiple containers. In this setup, excessive memory or CPU consumption by any single container can…

In this blog, I’ll explore the various methods and concepts used for rendering front-end applications. The techniques discussed in this article are fundamental to modern front-end development, and all aspiring e…

Here I am collecting learning points from the Data Models and Query Languages chapter of the Designing Data-Intensive Applications book. The main arguments in favor of the document data model are schema…

Problem Statement As we insert, update, and delete data, the SQLite databases file of sqliteDB-1.db and sqliteDB-2.db will grow in size and become fragmented.Deletes will cause empty space that is not returned to…

Into the pit of despairIt was a situation that no software developer like you and me would ever want to find oneself in. The beginning was a bit disturbing but still not terrible – the deployment process of our a…

Sustainability plays a fundamental role in the orientation of all business activities and is crucial for the long-term economic success of a nation. Consumers increasingly embrace social causes and seek products…

Problem overview In the digital world, personalised user recommendations are a big part of online shopping, and customers are constantly expecting better and more individualised suggestions. Tesco currently…