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Bitu Technology
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Bitu Technology

Bitu Technology is the registered company of Tubi's China team. We are engineers passionate about leveraging advanced technology to improve lives, and we hope to use this channel to connect and advance together.

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Recent Articles

Latest from Bitu Technology

67 recent articles
Bitu Technology
Bitu Technology
Jul 28, 2025 · Artificial Intelligence

How to Thrive with AI: Strategies for Developers to Collaborate and Innovate

This recap of Chen Tian's AI‑focused meetup explores why knowledge still matters, presents four practical learning methods, outlines effective AI prompting techniques, redefines the developer’s role from coder to conductor, and offers a five‑stage AI collaboration workflow for modern software creation.

AI Collaborationdeveloper productivityknowledge management
0 likes · 8 min read
How to Thrive with AI: Strategies for Developers to Collaborate and Innovate
Bitu Technology
Bitu Technology
Mar 21, 2025 · Backend Development

Optimizing Redis Latency for an Online Feature Store: A Batch Query Case Study

This article describes how Tubi improved the latency of its Redis‑backed online feature store for machine‑learning inference by analyzing query patterns, measuring client‑side bottlenecks, and applying optimizations such as binary Avro encoding, MGET usage, virtual partitioning, and parallel deserialization to meet a sub‑10 ms SLA.

LatencyMLOpsPerformance optimization
0 likes · 9 min read
Optimizing Redis Latency for an Online Feature Store: A Batch Query Case Study
Bitu Technology
Bitu Technology
Mar 14, 2025 · Backend Development

Designing Argos: A Next‑Generation Load‑Testing Tool for Super‑Bowl Scale and the Path to a 10x Engineer in the AI Era

The article recounts a Tubi meetup where senior engineers presented Argos, a cloud‑native load‑testing platform built with curl, Lambda, and ClickHouse to handle Super Bowl‑level traffic, while also discussing engineering mindset, cross‑team processes, and how AI tools empower developers to become 10x engineers.

10x engineerAI toolsCloud Functions
0 likes · 13 min read
Designing Argos: A Next‑Generation Load‑Testing Tool for Super‑Bowl Scale and the Path to a 10x Engineer in the AI Era
Bitu Technology
Bitu Technology
Jan 15, 2025 · Operations

Refactoring Playback Error Reporting, Metrics, and Recovery in Tubi Web/OTT Player

The article details how Tubi's Web/OTT team restructured player error reporting, statistical metrics, and unified handling, introduced precise error‑tracking enums, defined new recovery strategies for device decoding, network, and cache issues, and validated their impact through extensive experiments that improved user experience and key business KPIs.

MetricsOTToperations
0 likes · 14 min read
Refactoring Playback Error Reporting, Metrics, and Recovery in Tubi Web/OTT Player
Bitu Technology
Bitu Technology
Nov 8, 2024 · Mobile Development

Designing a Modular, Scalable Android Player Architecture at Tubi

This article describes how Tubi's Android team redesigned their video player with a modular, distributed architecture—introducing PlayerContext, PlayerHandlerWrapper, and composable modules for ads, event tracking, and TTS—to improve flexibility, testability, and scalability while sharing lessons learned from the refactoring process.

Ad IntegrationAndroidKotlin
0 likes · 12 min read
Designing a Modular, Scalable Android Player Architecture at Tubi
Bitu Technology
Bitu Technology
Sep 13, 2024 · Mobile Development

Seamless Single‑Player Video and Ad Playback on Android with Media3/ExoPlayer

The Tubi Android team replaced a dual‑player architecture with a single Media3/ExoPlayer instance, achieving smoother video‑ad transitions, reduced buffering, lower error rates, and improved business metrics, while also addressing decoder‑initialization failures, non‑key‑frame ad buffering, and subtitle timing issues.

Ad InsertionAndroidExoPlayer
0 likes · 10 min read
Seamless Single‑Player Video and Ad Playback on Android with Media3/ExoPlayer
Bitu Technology
Bitu Technology
Mar 15, 2024 · Artificial Intelligence

Monitoring Quality Issues in Tubi’s Recommendation System

This article explains how Tubi monitors the quality of its recommendation system by identifying potential failure points, tracking key data streams such as model input, final recommendation output, and training data, and designing a scalable, real‑time monitoring solution with clear protocols and extensible metrics.

Data qualityMonitoringmachine learning
0 likes · 11 min read
Monitoring Quality Issues in Tubi’s Recommendation System
Bitu Technology
Bitu Technology
Jan 17, 2024 · Artificial Intelligence

Rosetta Stone: Scalable ID Mapping System for Tubi's Content Library Using LLMs and Embeddings

This article describes how Tubi built the Rosetta Stone system—a flexible ID mapping workflow that leverages large language models, embedding similarity ranking, and K‑nearest‑neighbors to unify and enrich metadata across a 200,000‑title library, improve content recommendation, and streamline operations.

EmbeddingsLLMbig data
0 likes · 10 min read
Rosetta Stone: Scalable ID Mapping System for Tubi's Content Library Using LLMs and Embeddings
Bitu Technology
Bitu Technology
Dec 8, 2023 · Backend Development

JDK Virtual Threads: The Ultimate Solution for Java Concurrency – Insights from the Scala & Java Meetup

The article recaps a Scala & Java meetup where experts discussed the challenges of traditional Java threading, introduced JDK virtual threads as a low‑overhead concurrency solution, examined their benefits and limitations, and explored the impact of virtual threads on Scala and reactive programming.

JDKVirtual Threadsreactive-programming
0 likes · 9 min read
JDK Virtual Threads: The Ultimate Solution for Java Concurrency – Insights from the Scala & Java Meetup