--- title: Best ByteByteGo posts — November 2025 | daily.dev description: The most upvoted ByteByteGo posts from November 2025, curated by the daily.dev community. canonical: https://daily.dev/sources/bytebytego/best-of/2025/11 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/bytebytego/best-of/2025/11 og:type: website og:site_name: daily.dev og:title: Best ByteByteGo posts — November 2025 | daily.dev og:description: The most upvoted ByteByteGo posts from November 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of ByteByteGo — November 2025 1. 1 [](https://daily.dev/posts/how-disney-hotstar-now-jiohotstar-scaled-its-infra-for-60-million-concurrent-users-iubf4kue1 "How Disney Hotstar (now JioHotstar) Scaled Its Infra for 60 Million Concurrent Users") Article ByteByteGo·42w How Disney Hotstar (now JioHotstar) Scaled Its Infra for 60 Million Concurrent Users Disney+ Hotstar scaled from 25 million to 61 million concurrent users during the 2023 Cricket World Cup through a comprehensive infrastructure overhaul. Key improvements included separating cacheable from non-cacheable APIs at the CDN layer, migrating from self-managed KOPS to Amazon EKS, implementing distributed NAT gateways per subnet, and introducing a Datacenter Abstraction model. This abstraction unified multiple Kubernetes clusters into logical data centers with a centralized Envoy-based API gateway, replacing 200+ individual load balancers. The team also eliminated NodePort limitations by switching to ClusterIP services, standardized service endpoints, and adopted single-manifest deployments. The final architecture distributed 200+ microservices across six optimized EKS clusters, each designed for specific workload types. 117 1 2. 2 [](https://daily.dev/posts/how-spotify-built-its-data-platform-to-understand-1-4-trillion-data-points-796evwtpl "How Spotify Built Its Data Platform To Understand 1.4 Trillion Data Points") Article ByteByteGo·43w How Spotify Built Its Data Platform To Understand 1.4 Trillion Data Points Spotify processes 1.4 trillion data points daily through a sophisticated data platform that evolved from a single Hadoop cluster to a multi-product system running on Google Cloud. The platform consists of three core components: data collection (capturing events from millions of devices using client SDKs and Kubernetes operators), data processing (running 38,000+ automated pipelines using BigQuery, Flink, and Apache Beam), and data management (ensuring privacy, security, and compliance). The architecture emphasizes self-service capabilities, allowing product teams to define event schemas and deploy infrastructure automatically while maintaining centralized governance. Built-in anonymization, lineage tracking, and quality checks ensure data trustworthiness across financial reporting, personalized recommendations, and experimentation systems. 67 3. 3 [](https://daily.dev/posts/ep189-how-to-design-good-apis-byuckuzfn "EP189: How to Design Good APIs") Article ByteByteGo·42w EP189: How to Design Good APIs Covers fundamental principles of API design including idempotency, versioning, resource naming, security, and pagination. Explores big data pipeline architectures across AWS, Azure, and GCP. Provides a structured learning path for AWS services from fundamentals through certifications. Explains RAG application architecture on AWS and compares virtualization approaches from bare metal to containers on VMs. 53 4. 4 [](https://daily.dev/posts/how-uber-built-a-conversational-ai-agent-for-financial-analysis-m8kmppmah "How Uber Built a Conversational AI Agent For Financial Analysis") Article ByteByteGo·43w How Uber Built a Conversational AI Agent For Financial Analysis Uber built Finch, a conversational AI agent that enables finance teams to query financial data using natural language directly in Slack. The system translates questions into SQL queries, retrieves data from curated single-table data marts, and returns results in seconds. Finch uses a modular architecture with specialized agents orchestrated by LangGraph, OpenSearch for semantic mapping, and role-based access controls for security. The system includes continuous evaluation against golden queries, performance optimizations through parallel processing and pre-fetching, and plans to expand with deeper FinTech integration and human-in-the-loop validation for executive decisions. 52 [See all ByteByteGo archives](/sources/bytebytego/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/bytebytego/best-of/2025/11#page","url":"https://daily.dev/sources/bytebytego/best-of/2025/11","name":"Best ByteByteGo Posts — November 2025","description":"The most upvoted ByteByteGo posts from November 2025, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/bytebytego/best-of/2025/11#items","numberOfItems":4,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/how-disney-hotstar-now-jiohotstar-scaled-its-infra-for-60-million-concurrent-users-iubf4kue1","name":"How Disney Hotstar (now JioHotstar) Scaled Its Infra for 60 Million Concurrent Users"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/how-spotify-built-its-data-platform-to-understand-1-4-trillion-data-points-796evwtpl","name":"How Spotify Built Its Data Platform To Understand 1.4 Trillion Data Points"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/ep189-how-to-design-good-apis-byuckuzfn","name":"EP189: How to Design Good APIs"},{"@type":"ListItem","position":4,"url":"https://daily.dev/posts/how-uber-built-a-conversational-ai-agent-for-financial-analysis-m8kmppmah","name":"How Uber Built a Conversational AI Agent For Financial Analysis"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"ByteByteGo","item":"https://daily.dev/sources/bytebytego"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/bytebytego/best-of"},{"@type":"ListItem","position":5,"name":"November 2025"}]}]} ```