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CodeSignal
CodeSignal is a technical interview and assessment platform operated by American company BrainFights, Inc. Founded in 2014 and headquartered in San Francisco, the company has raised $87.5 million in total funding, with a Series C round in September 2021. History CodeSignal, initially called CodeFights, was founded in 2014 by Tigran Sloyan, Aram Shatakhtsyan, and Felix Desroches. CodeFights provided a platform for developers to compete in head-to-head timed coding challenges. In 2017, CodeFights began to offer an interview practice mode, as well as a product for recruiters to connect with qualified technical candidates. In 2018, the company changed the name of its platform from CodeFights to CodeSignal, and introduced a Coding Score that developers could share with technical recruiters, based on challenges completed on CodeSignal. Since then, the CodeSignal platform has expanded to offer a suite of technical interview and assessment products. Platform The CodeSignal platfor ...
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Software As A Service
Software as a service (SaaS ) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. SaaS is also known as "on-demand software" and Web-based/Web-hosted software. SaaS is considered to be part of cloud computing, along with infrastructure as a service (IaaS), platform as a service (PaaS), desktop as a service (DaaS), managed software as a service (MSaaS), mobile backend as a service (MBaaS), data center as a service (DCaaS), integration platform as a service (iPaaS), and information technology management as a service (ITMaaS). SaaS apps are typically accessed by users of a web browser (a thin client). SaaS became a common delivery model for many business applications, including office software, messaging software, payroll processing software, DBMS software, management software, CAD software, development software, gamification, virtualization, accounting, collaboration, customer relationship management (CR ...
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Facebook
Facebook is an online social media and social networking service owned by American company Meta Platforms. Founded in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name comes from the face book directories often given to American university students. Membership was initially limited to Harvard students, gradually expanding to other North American universities and, since 2006, anyone over 13 years old. As of July 2022, Facebook claimed 2.93 billion monthly active users, and ranked third worldwide among the most visited websites as of July 2022. It was the most downloaded mobile app of the 2010s. Facebook can be accessed from devices with Internet connectivity, such as personal computers, tablets and smartphones. After registering, users can create a profile revealing information about themselves. They can post text, photos and multimedia which are shared with any ...
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HackerRank
HackerRank is a technology company that focuses on competitive programming challenges for both consumers and businesses. Developers compete by writing programs according to provided specifications. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, JavaScript) and span multiple computer science domains. HackerRank categorizes most of their programming challenges into a number of core computer science domains, including the management of databases, mathematics, artificial intelligence, among other subjects. When a programmer submits a solution to a programming challenge, their submission is scored on the accuracy of their output. Programmers are then ranked globally on the HackerRank leaderboard and earn badges based on their accomplishments, which is intended to drive competition among users. In addition to individual coding challenges, HackerRank also hosts contests (often referred to by HackerRank as ...
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Karat
The fineness of a precious metal object (coin, bar, jewelry, etc.) represents the weight of ''fine metal'' therein, in proportion to the total weight which includes alloying base metals and any impurities. Alloy metals are added to increase hardness and durability of coins and jewelry, alter colors, decrease the cost per weight, or avoid the cost of high-purity refinement. For example, copper is added to the precious metal silver to make a more durable alloy for use in coins, housewares and jewelry. Coin silver, which was used for making silver coins in the past, contains 90% silver and 10% copper, by mass. Sterling silver contains 92.5% silver and 7.5% of other metals, usually copper, by mass. Various ways of expressing fineness have been used and two remain in common use: ''millesimal fineness'' expressed in units of parts per 1,000 and '' karats'' or ''carats'' used only for gold. Karats measure the parts per 24, so that 18 karat = = 75% and 24 karat gold is considered 100% g ...
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Zoom (software)
Zoom, stylized as zoom or Zoom Meetings is a proprietary videotelephony software program developed by Zoom Video Communications. The free plan allows up to 100 concurrent participants, with a 40-minute time restriction. Users have the option to upgrade by subscribing to a paid plan. The highest plan supports up to 1,000 concurrent participants for meetings lasting up to 30 hours. During the COVID-19 pandemic, there was a major increase in the use of Zoom for remote work, distance education, and online social relations. The increase led to Zoom being one of the most downloaded mobile apps worldwide in 2020 with over 500 million downloads and over 300 million daily meeting participants. History Zoom was originally founded in 2011. Its headquarters are located in San Jose, California. Zoom also has offices in the USA, China, India as well as Oceania, Europe and other parts of Eastern Asia. A beta version of Zoom—that could host conferences with only up to 15 video participants ...
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Upwork
Upwork Global Inc., formerly Elance-oDesk, is an American freelancing platform headquartered in Santa Clara and San Francisco, California. The company was formed in 2013 as Elance-oDesk, after the merger of Elance Inc. and oDesk Corp. The merged company subsequently rebranded to Upwork in 2015. In 2017, Upwork had over twelve million registered freelancers and five million registered clients. More than three million jobs worth over $1 billion USD together were posted in 2017. In March 2022, Upwork was named to TIME's List of 100 Most Influential Companies of the year 2022. History Elance was founded in 1998 by MIT graduate Beerud Sheth and Wall Street veteran Srini Anumolu in a two-bedroom apartment in Jersey City. In December 1999, the company's 22 employees relocated to Sunnyvale, in California's Silicon Valley. Elance's first product was the Elance Small Business Marketplace. oDesk was founded in 2003 by two friends, Odysseas Tsatalos and Stratis Karamanlakis, who wante ...
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Robinhood Markets
Robinhood Markets, Inc. is an American financial services company headquartered in Menlo Park, California, that facilitates commission-free trades of stocks, exchange-traded funds and cryptocurrencies as well as individual retirement accounts via a mobile app introduced in March 2015. Robinhood is a FINRA-regulated broker-dealer, registered with the U.S. Securities and Exchange Commission, and is a member of the Securities Investor Protection Corporation. The company's revenue comes from three main sources: interest earned on customers' cash balances, selling order information to high-frequency traders (a practice for which the SEC opened an investigation into the company in September 2020) and margin lending. , Robinhood had 22.8 million funded accounts and 15.9 million monthly active users. In April 2022, Robinhood rolled out a cryptocurrency wallet to more than 2 million users. History Robinhood was founded in April 2013 by Vladimir Tenev and Baiju Bhatt, who had previous ...
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Instacart
Instacart is an American company that operates a grocery delivery and pick-up service in the United States and Canada. The company offers its services via a website and mobile app. The service allows customers to order groceries from participating retailers with the shopping being done by a personal shopper. History 2010s Instacart was founded in 2012 by entrepreneur Apoorva Mehta, a former Amazon.com employee. Apoorva was born in India and moved with his family to Canada in 2000. He studied engineering at the University of Waterloo and graduated in 2008. He was a participant in Y Combinator's Summer 2012 batch, which eventually led to the creation of Instacart. In 2013, Mehta was included on the ''Forbes'' 30 Under 30 list. Apoorva previously worked at BlackBerry, Qualcomm, and then Amazon as a supply chain engineer, where he developed fulfillment systems to move packages from Amazon's warehouses to customers' homes. He left Amazon in 2010 to attempt to start his own busines ...
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Databricks
Databricks is an American enterprise software company founded by the creators of Apache Spark. Databricks develops a web-based platform for working with Spark, that provides automated cluster management and IPython-style notebooks. History Databricks grew out of the AMPLab project at University of California, Berkeley that was involved in making Apache Spark, an open-source distributed computing framework built atop Scala. The company was founded by Ali Ghodsi, Andy Konwinski, Arsalan Tavakoli-Shiraji, Ion Stoica, Matei Zaharia, Patrick Wendell, and Reynold Xin. In November 2017, the company was announced as a first-party service on Microsoft Azure via the integration Azure Databricks. The company develops Delta Lake, an open-source project to bring reliability to data lakes for machine learning and other data science use cases. In June 2020, Databricks acquired Redash, an open-source tool designed to help data scientists and analysts visualize and build interactive dashb ...
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Aydin Senkut
Aydin Senkut is an American investor, serial entrepreneur and executive, who is managing partner of Silicon Valley venture capital firm Felicis Ventures. Earlier in his career, he was Google's first product manager. Education and early life As an undergraduate, Senkut attended Boston University's Questrom School of Business, graduating in 1992 with a bachelor's degree in Business Administration. Career After graduating from Questrom, Senkut spent some brief time in Swiss healthcare company Hoffmann-La Roche's finance department, before attending graduate school where he earned an MBA at the University of Pennsylvania's Wharton School of Business, and an MA in finance from the University of Pennsylvania College of Arts & Sciences. After graduation, he joined high-performance computer manufacturer Silicon Graphics (now SGI) as a business development manager, before going to Google. Google In 1999, Senkut joined Google, when the company reportedly only had 62 employees. He se ...
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Brex
Brex Inc is an American financial service and technology company based in San Francisco, California. Brex offers business credit cards and Cash Management Accounts to technology companies. Brex cards are business charge cards, which require at least $50,000 in a bank account if professionally invested, if not with $100,000 to open, and cardholders who default won't damage their personal credit or assets. Emigrant Bank issues the Brex cards. History Brex was founded by Brazilians Henrique Dubugras and Pedro Franceschi on January 3, 2017. They had previously founded online payments company, Pagar.me, before selling it to Stone. Brex did not start as a fintech startup but rather as a VR startup, however the founders pivoted the company three weeks into Y Combinator's 12-week accelerator program. In February 2021, the company announced a submission application with the Federal Deposit Insurance Corporation (FDIC) and the Utah Department of Financial Institutions (UDFI) to es ...
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Index Ventures
Index Ventures is a European venture capital firm with dual headquarters in San Francisco and London, investing in technology-enabled companies with a focus on e-commerce, fintech, mobility, gaming, infrastructure/ AI, and security. Since its founding in 1996, the firm has invested in a number of companies and raised approximately $5.6 billion. Index Venture partners appear frequently on ''Forbes''’ Midas List of the top tech investors in Europe and Israel. History Index Ventures has its origins in a Swiss bond-trading firm called Index Securities, founded by Gerald Rimer in 1976. In 1992, Rimer recruited his son, Neil, to join the firm, and together they launched its technology investment arm, which would evolve into an independent entity, Index Ventures. Index Ventures was officially founded in 1996 by Neil Rimer, David Rimer and Giuseppe Zocco, when they raised a pilot fund of $17 million, followed by a $180 million fund in 1998. Index Ventures began invest ...
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