Best of LinkedIn — 2024

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   Article

   System Design Codex·2y

   How LinkedIn Authorizes 10 Million API Calls Per Second

   LinkedIn utilizes Access Control Lists (ACLs) to manage access control at scale, facing challenges such as quick authorization checks, prompt ACL changes delivery, managing a large number of ACLs, and monitoring ACL data. They handle these challenges by running an authorization client module on every service, periodically refreshing ACL data, storing ACLs in a database with a cache, and logging authorization checks for monitoring purposes.

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   Article

   Medium·2y

   How Did LinkedIn Handle 7 Trillion Messages Daily With Apache Kafka?

   LinkedIn uses Apache Kafka to manage and process up to 7 trillion messages daily. They achieve reliability and scalability through a multi-tiered Kafka deployment across multiple data centers, leveraging local and aggregate clusters. LinkedIn ensures message completeness with an internal auditing tool that tracks sent and consumed messages. They maintain a close relationship with the open-source Kafka community by regularly integrating features and patches from their internal branches into the upstream Kafka branch.

   175

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   Article

   DEV·2y

   How to showcase your GitHub repositories on LinkedIn 🐱

   Learn how to showcase your GitHub repositories on LinkedIn by adding a social media preview image and featuring your repositories on your profile.

   127

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   Video

   YouTube·2y

   Job Hunting Madness: Why can't I find a job?

   The job market in 2024 is extremely competitive, with many applicants facing rejections and long application processes. Factors contributing to this include companies searching for 'unicorn' candidates, a saturated market, layoffs, and advancements in AI. Enhancing LinkedIn profiles, optimizing resumes, and considering freelance work are recommended strategies for job seekers. Despite the tough conditions, persistence and adaptation are key.

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   Article

   Watercooler·2y

   LinkedIn == Tinder

   Job seekers on LinkedIn are increasingly commenting 'I'm Interested' on job requirement posts, raising uncertainty about their actual interest in the job or in HR.

   90

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   Video

   ThePrimeTime·2y

   Remote Work Is PURE FOOLISHNESS

   The author critiques a post from LinkedIn that disparages remote work for software developers, suggesting they lack enthusiasm and contribute little to business culture. The author argues that developers are highly enthusiastic about building things and highlights the awkwardness of virtual social gatherings like Zoom happy hours. They suggest that remote work is actually beneficial for developers and businesses alike, preventing ineffective forced social interactions. The post oscillates between interpreting the LinkedIn comments as satire and taking them seriously, ultimately affirming the positives of remote work for software engineers.

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   Article

   Substack·2y

   Engineer's Guide to LinkedIn

   A guide for engineers and leaders on how to leverage LinkedIn for career growth, including the importance of LinkedIn, strategies for leveraging it, and steps to optimize your presence.

   50

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8. 8
   Article

   ByteByteGo·2y

   The Scaling Journey of LinkedIn

   LinkedIn faced challenges in scaling its platform as its user base and content grew. They adopted a distributed and partitioned graph system, built a search service using Lucene, and migrated to a service-oriented architecture. They also used caching and implemented data collection with Kafka. Additionally, LinkedIn developed tools like Rest.li for API development, introduced super blocks to manage multiple services, and implemented multi-data center support. Other advanced developments included real-time analytics with Pinot and managing authorization at scale.

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9. 9
   Article

   Medium·2y

   Build an AI-powered LinkedIn profile reviewer: OpenAI Assistants API and Gpt-4-vision

   This post discusses how to build an AI-powered LinkedIn profile reviewer using OpenAI Assistants API and Gpt-4-vision. It covers the user experience, code breakdown, and the process of creating the Assistant. The article also provides information on scraping LinkedIn profiles and handling custom function calls. The final part of the article showcases the user interface and the main interaction logic of the application.

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    Article

    Community Picks·2y

    Finding a New Software Developer Job

    The post shares the author's experience of being laid off and finding a new software developer job. It discusses various sources for job listings, the interview process, salary negotiations, and lessons learned during the job hunt.

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    Article

    Code Like A Girl·2y

    Networking for Introverts: A Guide for Young Professionals

    A guide for introverts on networking in the professional world, including tips on building motivation, creating a strong LinkedIn profile, leveraging shared history, connecting with people with similar interests, and the importance of practice.

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    Article

    Cassidy's blog·2y

    Tips for posting on LinkedIn

    Tips for posting on LinkedIn, including adding engaging questions, focusing on original content, and posting 3-4 times a week.

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    Article

    Hacker News·2y

    'Lot of demoralized people': Ghost jobs wreaking havoc on tech workers

    Ghost jobs, or ads for nonexistent positions, are increasingly common in the tech industry, making job searches even more challenging for unemployed workers. A significant percentage of recruiters admit to posting these fake listings to maintain a presence on job boards or make their companies appear stable. This trend, especially prevalent on platforms like LinkedIn, contributes to job seekers' frustration and demoralization. Networking and verifying job posts directly on company websites are recommended strategies for job seekers to avoid wasting their efforts.

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    Article

    Data Engineer Things·2y

    DataHub: The Metadata Platform Developed at LinkedIn

    LinkedIn developed DataHub, an open-sourced metadata catalog platform that evolved through three generations. Initially, LinkedIn used a monolithic application which later split into a metadata service with an API. The third generation emphasized a stream-based, real-time architecture and decentralization, enabling efficient, trustworthy metadata handling. DataHub supports various APIs, real-time metadata changes, and federated metadata services, making it reliable and suitable for large enterprises.

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    Video

    Community Picks·2y

    A Javascript Software Engineer bought a house | PR Review [17]

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    Article

    Community Picks·2y

    LinkedIn is going Into Gaming

    LinkedIn is venturing into gaming with the introduction of simple games like Wordle on their platform.

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    Article

    Substack·2y

    Measuring Developer Productivity: Real-World Examples

    This post explores how different tech companies measure developer productivity, including Google, LinkedIn, and Peloton. It discusses the use of qualitative and quantitative metrics, the importance of focusing on goals, signals, and metrics, and provides insights into unique metrics used by different companies.

    12

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    Article

    Collections·1y

    How LinkedIn Scaled Their System to 5 Million Queries Per Second

    LinkedIn scaled their Restrictions and Enforcement System to handle 5 million queries per second by using advanced techniques such as BitSets, Bloom Filters, and full refresh-ahead caching strategies. The architecture includes components like the Venice Database and Kafka for real-time data streaming, ensuring high availability, low latency, and efficient memory usage.

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    Article

    Martin Fowler·2y

    My 2024 thoughts on the state of social media

    Reflecting on the dispersed nature of social media in 2024, the author discusses their personal use across various platforms including Bluesky, Twitter, LinkedIn, and Mastodon. They highlight the decline of Twitter, increased relevance of LinkedIn for tech updates, the niche appeal of Board Game Geek, and their hope for the future of open protocols like the AT protocol supporting Bluesky and the Fediverse.

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