
{"id":20125,"date":"2026-01-05T14:20:58","date_gmt":"2026-01-05T13:20:58","guid":{"rendered":"https:\/\/o-seznam.cz\/kariera\/480817-vyzkumnik-strojoveho-uceni\/"},"modified":"2026-04-17T10:21:05","modified_gmt":"2026-04-17T08:21:05","slug":"480817-vyzkumnik-strojoveho-uceni","status":"publish","type":"post","link":"https:\/\/o-seznam.cz\/kariera\/480817-vyzkumnik-strojoveho-uceni\/","title":{"rendered":"V\u00fdzkumn\u00edk strojov\u00e9ho u\u010den\u00ed"},"content":{"rendered":"<p>Ve v\u00fdzkumu \u0159e\u0161\u00edme \u0161irokou \u0161k\u00e1lu \u00faloh pro Seznam vyhled\u00e1v\u00e1n\u00ed z oblasti strojov\u00e9ho u\u010den\u00ed, zejm\u00e9na zpracov\u00e1n\u00ed webov\u00fdch str\u00e1nek, textu \u010di u\u017eivatelsk\u00e9ho chov\u00e1n\u00ed, p\u0159\u00edle\u017eitostn\u011b i obrazu. Jeliko\u017e jsme zaveden\u00e1 firma se spoustou u\u017eivatel\u016f, m\u00e1me tak k dispozici velk\u00e9 mno\u017estv\u00ed r\u016fznorod\u00fdch dat, jejich\u017e kvalitu zaru\u010duje t\u00fdm Bussiness Inteligence. Jako v\u00fdzkum \u0159e\u0161\u00edme projekt od sam\u00e9ho n\u00e1padu a formov\u00e1n\u00ed zad\u00e1n\u00ed, p\u0159es p\u0159\u00edpravu dat a n\u00e1vrh hlavn\u00edch metrik a\u017e po spolupr\u00e1ci na nasazen\u00ed. Modely u\u010d\u00edme na na\u0161ich dedikovan\u00fdch serverech s grafick\u00fdmi kartami pro v\u011bt\u0161\u00ed v\u00fdpo\u010dty. Udr\u017eov\u00e1n\u00ed si p\u0159ehledu v aktu\u00e1ln\u00edch trendech je ned\u00edlnou sou\u010d\u00e1st\u00ed na\u0161\u00ed pr\u00e1ce, proto klademe velk\u00fd d\u016fraz na vzd\u011bl\u00e1v\u00e1n\u00ed a\u0165 u\u017e samostudiem nebo v pravideln\u00fdch organizovan\u00fdch reading groups. V\u00fdzkumn\u00edci maj\u00ed mo\u017enost vycestovat na konferenci \u010di p\u0159edn\u00e1\u0161et na univerzit\u00e1ch.<\/p>\n<p>Jsme tak trochu univerz\u00e1ln\u00ed t\u00fdm \u2013 \u0159e\u0161\u00edme zkr\u00e1tka to, co je zrovna pot\u0159eba. D\u00edky tomu se pravideln\u011b dost\u00e1v\u00e1me k pestr\u00e9 \u0161k\u00e1le probl\u00e9m\u016f i r\u016fzn\u00fdm modalit\u00e1m. Na\u0161i pr\u00e1ci je mo\u017en\u00e9 potkat nap\u0159\u00ed\u010d cel\u00fdm vyhled\u00e1v\u00e1n\u00edm. Pod\u00edl\u00edme se nap\u0159\u00edklad na <a class=\"is-style-link-external\" href=\"https:\/\/www.zijemeit.cz\/workshop?id=18\" target=\"_blank\">enk\u00f3dov\u00e1n\u00ed HTML dokument\u016f<\/a>, <a class=\"is-style-link-external\" href=\"https:\/\/blog.seznam.cz\/2022\/01\/pracujeme-na-vylepseni-obrazkove-relevance-ve-vyhledavani\/\" target=\"_blank\">zlep\u0161ov\u00e1n\u00ed relevance a vektorov\u00e9ho vyhled\u00e1v\u00e1n\u00ed v obr\u00e1zkov\u00e9m vyhled\u00e1v\u00e1n\u00ed<\/a>, <a class=\"is-style-link-external\" href=\"https:\/\/blog.seznam.cz\/2023\/07\/vylepsili-jsme-rozpoznavani-jmen-prijmeni-a-osobnosti-ve-vyhledavani-na-seznamu\/\" target=\"_blank\">detekci entit v dotazu<\/a>) nebo t\u0159eba detekci bot\u016f. Stav\u00edme na modern\u00edch, state-of-the-art algoritmech, kter\u00e9 si lad\u00edme na m\u00edru konkr\u00e9tn\u00edm probl\u00e9m\u016fm s vyu\u017eit\u00edm dat anotovan\u00fdch na\u0161imi vlastn\u00edmi anot\u00e1tory. Velk\u00fdm benefitem je tak\u00e9 n\u00e1\u0161 vlastn\u00ed GPU cluster, d\u00edky kter\u00e9mu m\u016f\u017eeme rychle experimentovat i \u0161k\u00e1lovat. Na projektech r\u00e1di p\u0159em\u00fd\u0161l\u00edme spole\u010dn\u011b, tak\u017ee se pravideln\u011b potk\u00e1v\u00e1me v kancel\u00e1\u0159i a\u017e t\u0159ikr\u00e1t t\u00fddn\u011b. A kdy\u017e u\u017e jsme tam, po ob\u011bd\u011b si ke k\u00e1v\u011b \u010dasto st\u0159ihneme i parti\u010dku ping-pongu.<\/p>\n<h2>Co od v\u00e1s o\u010dek\u00e1v\u00e1me<\/h2>\n<ul>\n<li>M\u00e1te komer\u010dn\u00ed zku\u0161enosti s programov\u00e1n\u00edm v jazyce <strong>Python<\/strong> a um\u00edte navrhovat efektivn\u00ed algoritmy<\/li>\n<li>M\u00e1te znalosti v oblasti <strong>strojov\u00e9ho u\u010den\u00ed<\/strong> a ide\u00e1ln\u011b <strong>2 roky<\/strong> zku\u0161enost\u00ed v t\u00e9to oblasti.<\/li>\n<li>Ovl\u00e1d\u00e1te z\u00e1klady Linuxu<\/li>\n<li>M\u00e1te vystudovanou <strong>vysokou \u0161kolu relevantn\u00ed<\/strong> k pozici<\/li>\n<\/ul>\n<h2>Co m\u016f\u017eete o\u010dek\u00e1vat<\/h2>\n<ul>\n<li>Pod\u00edlen\u00ed se na formov\u00e1n\u00ed zad\u00e1n\u00ed v\u00fdzkumn\u00e9 \u00falohy a anal\u00fdzy probl\u00e9mu<\/li>\n<li>P\u0159\u00edprava a anal\u00fdza dat \u2013 Python, pandas, (Py)Spark, Polars<\/li>\n<li>U\u010den\u00ed ML model\u016f \u2013 pracujeme se \u0161irokou \u0161k\u00e1lou model\u016f od rozhodovac\u00edch les\u016f (XGBoost\/CatBoost) a\u017e po hlubok\u00e9 neuronov\u00e9 s\u00edt\u011b (PyTorch)<\/li>\n<li>Aplikace state-of-the-art metod pro zpracov\u00e1n\u00ed jazyka a obrazu<\/li>\n<li>T\u00fdmov\u00e1 spolupr\u00e1ce p\u0159i \u0159e\u0161en\u00ed probl\u00e9mu a tvorb\u011b k\u00f3du \u2013 Git, code review<\/li>\n<li>Vyhodnocen\u00ed navr\u017een\u00fdch \u0159e\u0161en\u00ed, interpretace a prezentace v\u00fdsledk\u016f<\/li>\n<li>P\u0159ed\u00e1v\u00e1n\u00ed model\u016f a k\u00f3du do produkce nap\u0159. pomoc\u00ed Docker container\u016f<\/li>\n<\/ul>\n<ul>\n<li>Zaj\u00edmavou a rozmanitou pr\u00e1ci, \u0159e\u0161en\u00ed netrivi\u00e1ln\u00edch probl\u00e9m\u016f<\/li>\n<li>Velk\u00e1 data, mo\u017enost anotac\u00ed<\/li>\n<li>Vyr\u00e1b\u00edme prototypy pro \u0159e\u0161en\u00ed t\u011b\u017ek\u00fdch probl\u00e9m\u016f,<\/li>\n<li>Dost\u00e1v\u00e1me v\u011bci do produkce, p\u0159\u00edm\u00fd dopad na miliony u\u017eivatel\u016f,<\/li>\n<li>Vlastn\u00ed v\u00fdkonn\u00e9 servery, dedikovan\u00e1 v\u00fdpo\u010detn\u00ed kapacita<\/li>\n<li>Sd\u00edlen\u00ed znalost\u00ed a zku\u0161enost\u00ed nap\u0159\u00ed\u010d Seznamem<\/li>\n<li>Osobn\u00ed rozvoj \u2013 vzd\u011bl\u00e1v\u00e1n\u00ed, reading groups a konference (v p\u0159\u00edpad\u011b z\u00e1jmu i ve\u0159ejn\u00e9 p\u0159edn\u00e1\u0161ky na univerzit\u00e1ch a akc\u00edch)<\/li>\n<li>Super kolektiv a neform\u00e1ln\u00ed a p\u0159\u00e1telsk\u00e9 prost\u0159ed\u00ed \u2013 v\u0161ichni si tady tyk\u00e1me a nem\u00e1me p\u0159edepsan\u00fd dress code<\/li>\n<li>Mo\u017enost HO (a\u017e 3 dny v t\u00fddnu)<\/li>\n<\/ul>\n<h2>Jak prob\u00edh\u00e1 v\u00fdb\u011brov\u00e9 \u0159\u00edzen\u00ed<\/h2>\n<ol>\n<li>Zasl\u00e1n\u00ed CV<br \/>Jakmile od v\u00e1s obdr\u017e\u00edme \u017eivotopis, pe\u010dliv\u011b si ho prostudujeme. Pokud budete odpov\u00eddat na\u0161im p\u0159edstav\u00e1m, ozveme se v\u00e1m telefonicky.<\/li>\n<li>Telefonn\u00ed prescreen (cca 10 minut)<br \/>Kr\u00e1tce si zavol\u00e1me, abychom si ov\u011b\u0159ili z\u00e1kladn\u00ed informace \u2013 nap\u0159\u00edklad va\u0161e motivace, dostupnost nebo jazykov\u00e9 znalosti.<\/li>\n<li>Rozhodnut\u00ed o postupu<br \/>Na z\u00e1klad\u011b prescreenu se mana\u017eer rozhodne, zda v\u00e1s pozve do dal\u0161\u00ed f\u00e1ze v\u00fdb\u011brov\u00e9ho \u0159\u00edzen\u00ed.<\/li>\n<li>Technick\u00e9 \u00fakoly (2 t\u00fddny na vypracov\u00e1n\u00ed)<br \/>Pokud postoup\u00edte, obdr\u017e\u00edte zad\u00e1n\u00ed dvou \u00fakol\u016f:\n<ul>\n<li>online programovac\u00ed \u00faloha,<\/li>\n<li>p\u0159\u00edpadov\u00e1 studie zam\u011b\u0159en\u00e1 na oblast machine learningu.<\/li>\n<\/ul>\n<\/li>\n<li>Osobn\u00ed pohovor<br \/>V p\u0159\u00edpad\u011b, \u017ee budou technick\u00e9 \u00falohy vypracov\u00e1ny na odpov\u00eddaj\u00edc\u00ed \u00farovni, pozveme v\u00e1s na osobn\u00ed pohovor.<br \/>Pobav\u00edme se o va\u0161em \u0159e\u0161en\u00ed, va\u0161\u00ed dosavadn\u00ed praxi, znalostech i o samotn\u00e9 pozici. Prostor bude i na va\u0161e dotazy.<\/li>\n<li>Rozhodnut\u00ed a nab\u00eddka<br \/>Po prvn\u00edm kole pohovoru si obvykle mana\u017ee\u0159i ud\u011blaj\u00ed jasno. Pokud budete t\u00edm spr\u00e1vn\u00fdm kandid\u00e1tem, za\u0161leme v\u00e1m pracovn\u00ed nab\u00eddku.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Ve v\u00fdzkumu \u0159e\u0161\u00edme \u0161irokou \u0161k\u00e1lu \u00faloh pro Seznam vyhled\u00e1v\u00e1n\u00ed z oblasti strojov\u00e9ho u\u010den\u00ed, zejm\u00e9na zpracov\u00e1n\u00ed webov\u00fdch str\u00e1nek, textu \u010di u\u017eivatelsk\u00e9ho chov\u00e1n\u00ed, p\u0159\u00edle\u017eitostn\u011b i obrazu. Jeliko\u017e jsme zaveden\u00e1 firma se spoustou u\u017eivatel\u016f, m\u00e1me tak k dispozici velk\u00e9 mno\u017estv\u00ed r\u016fznorod\u00fdch dat, jejich\u017e kvalitu zaru\u010duje t\u00fdm Bussiness Inteligence. Jako v\u00fdzkum \u0159e\u0161\u00edme projekt od sam\u00e9ho n\u00e1padu a formov\u00e1n\u00ed zad\u00e1n\u00ed, [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[239],"tags":[58],"location":[26],"technology":[214,68,75,94,203,52,200,114],"landing_category":[151,259],"class_list":["post-20125","post","type-post","status-publish","format-standard","hentry","category-it-a-technologie","tag-plny-uvazek"],"acf":[],"_links":{"self":[{"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/posts\/20125","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/comments?post=20125"}],"version-history":[{"count":5,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/posts\/20125\/revisions"}],"predecessor-version":[{"id":20421,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/posts\/20125\/revisions\/20421"}],"wp:attachment":[{"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/media?parent=20125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/categories?post=20125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/tags?post=20125"},{"taxonomy":"location","embeddable":true,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/location?post=20125"},{"taxonomy":"technology","embeddable":true,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/technology?post=20125"},{"taxonomy":"landing_category","embeddable":true,"href":"https:\/\/o-seznam.cz\/kariera\/wp-json\/wp\/v2\/landing_category?post=20125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}