At Trendyol, we prioritize the security and performance of our systems. Recently, we encountered two potential security hotspots related to regular expressions in our codebase. By addressing these issues using efficient solutions, we were able to mitigate the risk of denial of service (DoS) attacks caused by backtracking. …

Optimizing image assets is crucial for improving performance and delivering a seamless user experience in web and mobile applications. Large image sizes can significantly impact loading times, resulting in slower page rendering and frustrated users. In this article, we will talk an approach we implemented in Trendyol. That approach is…

Google Remote Procedure Call (gRPC) is an open-source remote procedure call (RPC) framework developed by Google. It is a high-performance and lightweight framework for building distributed systems, allowing clients and servers to communicate transparently and efficiently. gRPC uses Protocol Buffers (protobuf) as its default interface definition language (IDL), which allows…

Protocol Buffers (Protobuf), is a language-agnostic binary serialization format developed by Google. It is used for serializing structured data in a compact, efficient, and extensible format. Protobuf provides a language-agnostic way of defining the structure of data, which is called a schema. This schema defines the fields, types, and messages…

Firebase ML Kit was introduced at Google I/O ’18. It is a mobile SDK that provides advanced machine learning capabilities into apps such as Pose Detection, Face Recognition, and Image Labeling. Key Capabilities ML Kit comes with a set of ready-to-use APIs for most mobile use cases: recognizing text, detecting faces, identifying…