tech
44 articles in this category

Inside the Uber Software Factory Scale Play
Uber runs 70% of pull requests via agents and cut cost per session 52% by capping context, tuning cache TTL and routing subagents to cheaper models.

LinkedIn's AI Powers Smarter Follows
LinkedIn leverages LLMs to build a new recommendation engine, matching users with creators based on deep semantic understanding rather than just popularity.

Uber Optimizes Data Exports
Uber slashes data export costs by combining Hudi column stats and table sorting, preserving cloud storage tiering.

LinkedIn's AI Code Review Adapts
LinkedIn's multi-agent AI code review system boosts developer velocity by adapting to codebase specifics and providing actionable feedback.

Uber's Payment Platform: A Decade of Design
Uber's decade-old Payments Platform, Gulfstream, processes trillions with immutable money orders and zero-sum accounting, enabling massive scale and new products.

Uber's Zone Failure Resilience for OpenSearch
Uber details how Zone Failure Resilience (ZFR) for OpenSearch is achieved using isolation groups and forced shard allocation awareness to maintain stability during zone outages.

Uber Integrates Apple's Verify with Wallet API
Uber integrates Apple's Verify with Wallet API for streamlined, privacy-focused identity verification across its services.

Uber's GitFarm Solves Monorepo Woes
Uber's GitFarm platform revolutionizes monorepo management by offering Git-as-a-Service, slashing clone times and resource usage.
LinkedIn's AI Tester Sees Bugs
LinkedIn's new AI QA Agent uses generative AI and VLMs to autonomously test apps, finding bugs and democratizing quality assurance for non-engineers.

Uber Eats Tries Agentic Shopping
Uber Eats' Cart Assistant uses AI to translate natural language requests into draft grocery carts, simplifying the shopping process.
LinkedIn's PCC Streamlines Product Launches
LinkedIn's new Product Configuration Center slashes product launch times from weeks to hours by unifying fragmented management systems and automating workflows.
LinkedIn's AI Hiring Assistant Gets Smarter
LinkedIn's Hiring Assistant now uses a sophisticated semantic search system called MUSE to match recruiters with candidates based on nuanced qualifications, moving beyond simple keyword searches.

Uber's Data Abstraction Layer
Uber's Data Abstraction Layer (DAL) simplifies data access, drastically cutting report generation time and enabling more sophisticated advertiser tools.
LinkedIn Hiring Assistant Goes Global
LinkedIn's Hiring Assistant is expanding to French and German, tackling complex AI localization challenges with a novel rubric framework and adaptive model strategy.

Uber's AI Guards Data at Scale
Uber's AI-powered File Semantic Analyzer offers deep contextual understanding of outbound data, drastically reducing false positives and speeding up security responses.
LinkedIn's Generative Recommender Speed-Up
LinkedIn engineers drastically improved Generative Recommender training efficiency, cutting GPU hours by up to 65% through system-level optimizations.

Uber Modernizes Artifact Storage
Uber modernized its artifact storage by migrating to a SaaS platform and implementing a validation proxy to cut egress costs and boost reliability.

Uber's DeepETT Boosts Traffic Forecasts
Uber's DeepETT system revolutionizes traffic forecasting with deep learning, boosting accuracy and handling 2 million predictions per second.

Uber's Knapsack Problem
Uber's Tarot platform employs a sophisticated Multiple Knapsack Problem solver to optimize incentive allocation, balancing user experience with strict budget constraints.

Uber's AI PRD reviewer streamlines product launches
Uber's new AI PRD Evaluator acts as a first-pass reviewer, identifying gaps and suggesting improvements before formal product reviews, speeding up development.

Go Stack Allocation Boosts Uber CPU Efficiency
Uber engineers optimized Go stack allocation, cutting CPU usage by up to 10% in critical services through static pre-allocation and disabling dynamic growth.

Cloud Commitments: The 5 Critical Layers
A layered, analytical approach to hyperscale cloud commitments is essential for engineering success and cost efficiency.

Ansible Automation Powers Uber's Global Network
Uber relies on Ansible automation to manage its vast, multi-vendor corporate network globally, ensuring stability and efficiency through automated configuration management.

Uber Fights Bounding Box Errors
Uber Engineering uses machine learning to automatically detect and correct bounding box annotation errors in video data, boosting ML model training quality.

Uber's Hybrid Core Allocation
Uber Engineering's hybrid core allocation system blends dedicated and shared CPUs for better efficiency and reliability.

Uber's Smart Database Overload Fix
Uber evolved its database overload protection from static rate-limiting to an intelligent, priority-aware system called Cinnamon, enhancing stability and user experience.

Uber's AI Prototype Shift
Uber is leveraging AI prototyping tools to dramatically speed up product development, turning weeks of discussion into hours of tangible output and fostering broader innovation.

Uber Eats' Search Engine Gets Smarter
Uber Eats enhances its delivery search with semantic AI, leveraging LLMs and optimized infrastructure for speed, scale, and accuracy.
LinkedIn's AI Search Upgrade
LinkedIn is leveraging LLMs for semantic search, transforming how users find jobs and people by understanding intent over keywords.
LinkedIn Tries Real-World AI Benchmarking
LinkedIn's new Crosscheck platform aims to provide real-world AI model performance insights tailored to professional roles and tasks.
58 Million Keys: The HashMap Freeze
A HashMap resize at 58.7 million keys triggered a 15-second freeze on LinkedIn's Feed platform due to kernel lock contention. Pre-allocation fixed it.
AI Agents Supercharge GPU Kernel Development
LinkedIn is leveraging AI agents to automate complex GPU kernel engineering for its Liger Kernel project, accelerating AI model performance.
LinkedIn and Cornell Fund AI Research
LinkedIn and Cornell University announce the 2024 grant recipients, funding eight projects focused on AI, data science, and privacy.
From Violin to Code: LinkedIn's REACH Program
A former professional violinist transitions to data science via LinkedIn's REACH program, showcasing career shifts in the tech industry.
LinkedIn Engineer Builds Community
LinkedIn engineer Rishika builds community through mentorship and online content, extending her impact beyond her core role.
AI Agents Build Better AI
LinkedIn Engineering details how AI agents are revolutionizing model development through automated, iterative refinement loops.
LinkedIn brings its ads to your TV
LinkedIn is bringing its professional advertising to Connected TV (CTV), detailing the engineering behind its new ad solution for streaming platforms.
Kubernetes Security Goes Deep
LinkedIn enhances Kubernetes security with a new framework automating workload identity and credential management, ensuring trust across its massive infrastructure.
LinkedIn Unifies Hiring Data
LinkedIn's new unified integrations platform standardizes hiring data, slashing onboarding times and powering AI recruitment tools.
LinkedIn Overhauls Log Storage
LinkedIn replaces its Kafka log storage with Northguard and Xinfra for improved scalability and operability to handle over 1.2 billion members.
LinkedIn Sales Navigator Search Speed Boost
LinkedIn engineers drastically cut Sales Navigator's search data processing time by optimizing its Spark pipeline, enabling faster results for users.
LinkedIn Automates Software Licenses
LinkedIn's SLLM tool automates software license lifecycle management, improving efficiency, security, and cost control through intelligent reclamation and attribute-based provisioning.
LinkedIn's AI Memory Platform
LinkedIn's Cognitive Memory Agent (CMA) provides AI agents with context and memory for personalized, adaptive experiences, starting with its Hiring Assistant.

Quantum Computing's Real-World Impact
Quantum computing's real-world applications are emerging, promising breakthroughs in medicine, materials science, and finance.