{"id":78069,"date":"2020-04-16T01:42:42","date_gmt":"2020-04-15T23:42:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/data-engineer-i-data-scientist-chto-umeyut-i-skolko-zarabatyvayut"},"modified":"2020-04-16T01:42:42","modified_gmt":"2020-04-15T23:42:42","slug":"data-engineer-i-data-scientist-chto-umeyut-i-skolko-zarabatyvayut","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/data-engineer-i-data-scientist-chto-umeyut-i-skolko-zarabatyvayut","title":{"rendered":"Andmete insener ja andmete teadlane: mida nad oskavad ja kui palju nad teenivad","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Koos Elena Gerasimovaga, Netoloogia \"<noindex><a rel=\"nofollow\" href=\"https:\/\/netology.ru\/navigation\/?direction=data-science?utm_source=habr&amp;utm_medium=externalblog&amp;utm_campaign=bds_all_ou&amp;utm_content=14042020_dataengscientist\">Andmete teadus ja anal\u00fc\u00fcs<\/a><\/noindex>\" juhi, j\u00e4tkame arutelu, kuidas andmete teadlased ja andmete insenerid omavahel suhtlevad ja millised on nende erinevused.<\/p>\n<p>Esimeses osas r\u00e4\u00e4kisime <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/netologyru\/blog\/496082\/\">andmete teadlase ja andmete inseneri peamistest erinevustest<\/a><\/noindex>. <\/p>\n<p>Selles materjalis arutame, millised teadmised ja oskused peavad spetsialistidel olema, millist haridust t\u00f6\u00f6andjad hindavad, kuidas intervjuud kulgevad, ning kui palju teenivad andmete insenerid ja andmete teadlased.\u00a0<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Mida peavad teadlased ja insenerid teadma<\/h2>\n<p>\nM\u00f5lema spetsialisti erialane haridus on arvutiteadus.<\/p>\n<p><img decoding=\"async\" alt=\"Andmete insener ja andmete teadlane: mida nad oskavad ja kui palju nad teenivad\" src=\"\/wp-content\/uploads\/2020\/04\/14e804895cb4eac665c2b8558a5911ba.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nIga andme spetsialist \u2014 andmete teadlane v\u00f5i anal\u00fc\u00fctik \u2014 peab suutma t\u00f5estada oma j\u00e4relduste \u00f5igsust. Selleks on vajalik teadmised <b>statistikast ja statistikaga seotud p\u00f5himatemaatikast<\/b>.<\/p>\n<p>Masin\u00f5pe ja andmeanal\u00fc\u00fcsi t\u00f6\u00f6riistad on kaasaegses maailmas h\u00e4davajalikud. Kui tuttavad t\u00f6\u00f6riistad ei ole kergesti k\u00e4ttesaadavad, on vajalikud oskused <b>uusimate t\u00f6\u00f6riistade kiire omandamine, lihtsate skriptide koostamine \u00fclesannete automatiseerimiseks<\/b>.<\/p>\n<p>Oluline on m\u00e4rkida, et andmet\u00f6\u00f6tluse spetsialist peab t\u00f5husalt edastama anal\u00fc\u00fcsi tulemused. Selleks aitab <b>andmete visualiseerimine<\/b> v\u00f5i tehtud uuringute ja h\u00fcpoteeside kontrollimise tulemused. Spetsialistid peavad oskama luua diagramme ja graafikuid, kasutama visualiseerimist\u00f6\u00f6riistu ning m\u00f5istma ja selgitama andmeid juhtpaneelidelt.<\/p>\n<p><img decoding=\"async\" alt=\"Andmete insener ja andmete teadlane: mida nad oskavad ja kui palju nad teenivad\" src=\"\/wp-content\/uploads\/2020\/04\/f701a922442a01286c340314861ab343.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAndmeinseneri jaoks t\u00f5useb esile kolm suunda.<\/p>\n<p><b>Algoritmid ja andmestruktuurid<\/b>. Oluline on harjutada koodi kirjutamist ja p\u00f5histruktuuride ning algoritmide kasutamist:<\/p>\n<ul>\n<li>algaritmide keerukuse anal\u00fc\u00fcs,<\/li>\n<li>oskus kirjutada arusaadavat, hooldatavat koodi,\u00a0<\/li>\n<li>p\u00f5hjalik t\u00f6\u00f6tlemine,<\/li>\n<li>reaalne aegne t\u00f6\u00f6tlemine.<\/li>\n<\/ul>\n<p>\n<b>Andmebaasid ja salvestuss\u00fcsteemid, Business Intelligence<\/b>:<\/p>\n<ul>\n<li>andmete salvestamine ja t\u00f6\u00f6tlemine,<\/li>\n<li>t\u00f6\u00f6stusharu terviklikkuse projekteerimine,<\/li>\n<li>Andmete kogumine,<\/li>\n<li>jaotatud failis\u00fcsteemid.<\/li>\n<\/ul>\n<p>\n<b>Hadoop ja Big Data<\/b>. Andmete hulk suureneb pidevalt ja j\u00e4rgmise 3\u20135 aasta jooksul saavad need tehnoloogiad iga inseneri jaoks h\u00e4davajalikuks. Pluss:<\/p>\n<ul>\n<li>Andmej\u00e4rved,<\/li>\n<li>t\u00f6\u00f6 tegelemine pilveteenuse pakkujatega.<\/li>\n<\/ul>\n<p>\n<b>Masin\u00f5pe<\/b> kasutatakse laialdaselt, seega on oluline m\u00f5ista, milliseid \u00e4rilisi probleeme see aitab lahendada. Ei ole tingimata vaja osata mudeleid luua (selleks on andmete teadlased), kuid tuleb m\u00f5ista nende rakendusi ja vastavaid n\u00f5udeid.<\/p>\n<h2>Kui palju teenivad insenerid ja teadlased<\/h2>\n<p><\/p>\n<h3>Andmete t\u00f6\u00f6tlemise inseneride sissetulek<\/h3>\n<p>\n<b>Rahvusvaheline praktika<\/b> algpalk on tavaliselt 100 000 dollarit aastas ja kasvab oluliselt kogemustega, vastavalt Glassdoorile. Lisaks pakuvad ettev\u00f5tted sageli aktsiaoptsioone ja 5\u201315% aastaboonuseid.<\/p>\n<p><b>Venemaal<\/b> karj\u00e4\u00e4ri alguses on palk tavaliselt v\u00e4hemalt 50 000 rubla piirkondades ja 80 000 Moskvas. Selles etapis ei n\u00f5uta muud kogemust kui l\u00e4bitud koolitus.<\/p>\n<p>P\u00e4rast 1\u20132 aastat t\u00f6\u00f6d \u2013 vahemik 90\u2013100 tuhat rubla.<\/p>\n<p>Vahemik t\u00f5useb 120\u2013160 tuhande rubla juurde 2\u20135 aasta jooksul. Lisanduvad sellised tegurid nagu eelneva ettev\u00f5tte spetsialiseerumine, projektide suurus, t\u00f6\u00f6tamine big data'ga ja muu.<\/p>\n<p>P\u00e4rast 5 aastat t\u00f6\u00f6d on lihtsam leida t\u00f6\u00f6kohti l\u00e4hedastes valdkondades v\u00f5i kandideerida sellistele kitsastele spetsialiseeritud ametikohtadele nagu:<\/p>\n<ul>\n<li>Arhitekt v\u00f5i peamine arendaja pangas v\u00f5i telekommunikatsioonis \u2013 umbes 250 tuhat.\n<\/li>\n<\/ul>\n<p><\/p>\n<ul>\n<li>Eelnevalt m\u00fc\u00fcgiarvestus teenusepakkuja juures, kellega olete k\u00f5ige rohkem koos t\u00f6\u00f6tanud, \u2014 200 tuhat pluss v\u00f5imalik boonus (1\u20121,5 miljonit rubla).\u00a0\n<\/li>\n<\/ul>\n<p><\/p>\n<ul>\n<li>Enterprise \u00e4rirakenduste, nagu SAP, juurutamise ekspertide palk on kuni 350 tuhat.\n<\/li>\n<\/ul>\n<p><\/p>\n<h3>Andmete teadlaste sissetulek<\/h3>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/vacancy.newhr.ru\/data\/data\/salary\/Normalresearch.ru_Analysts_2019.pdf\">Uuring<\/a><\/noindex> anal\u00fc\u00fctikute turust ettev\u00f5tte \"Normaalne uurimine\" ja v\u00e4rbamisto \u0430\u0433\u0435\u043d\u0442uuri New.HR andmetel saavad Data Science spetsialistid keskmiselt suuremat palka kui teiste erialade anal\u00fc\u00fctikud.\u00a0<\/p>\n<p>Venemaal on andmete teadlase algpalk, kellel on kuni aasta t\u00f6\u00f6kogemus, alates 113 tuhandest rubla.\u00a0<\/p>\n<blockquote><p>K\u00e4ivitatavaid koolitusprogramme arvestatakse n\u00fc\u00fcd ka t\u00f6\u00f6koguseks.<\/p><\/blockquote>\n<p> 1\u20122 aasta jooksul v\u00f5ib selline spetsialist teenida kuni 160 tuhat.<\/p>\n<p>4\u20125 aastat kogemusega t\u00f6\u00f6taja palk t\u00f5useb kuni 310 tuhande rubla.<\/p>\n<h2>Kuidas intervjuud k\u00e4ivad<\/h2>\n<p>\nL\u00e4\u00e4nes l\u00f5petavad ametikoolide l\u00f5petajad esimese intervjuu keskmiselt 5 n\u00e4dalat p\u00e4rast koolituse l\u00f5ppu. Umbes 85% leiab t\u00f6\u00f6 kolme kuu jooksul.<\/p>\n<p>Andmeinseneri ja andmete teadlase t\u00f6\u00f6intervjuu protsess on praktiliselt sama. See koosneb tavaliselt viiest etapist.<\/p>\n<p><b>Kokkuv\u00f5te<\/b>. Kandidaatide, kellel on mitteprofiilne eelnev kogemus (n\u00e4iteks turundusest), tuleb iga ettev\u00f5tte jaoks valmistada detailne kaaskiri v\u00f5i omada soovitusi selle ettev\u00f5tte esindajalt.<\/p>\n<p><b>Tehniline skriinimine<\/b>. Enamasti toimub see telefoni teel. Koosneb \u00fchest-kahest keerulisest ja sama palju lihtsast k\u00fcsimusest, mis puudutavad t\u00f6\u00f6andaja praegust tehnoloogiastikku.<\/p>\n<p><b>HR-intervjuu<\/b>. V\u00f5ib toimuda telefoni teel. Sellel etapil kontrollitakse kandidaadi \u00fcldist adekvaatsust ja suhtlemisv\u00f5imet.<\/p>\n<p><b>Tehniline intervjuu<\/b>. Enamasti toimub see isiklikult. Erinevates ettev\u00f5tetes positsioonide tasemed erinevad, ja positsioonide nimed v\u00f5ivad olla erinevad. Seega sellel etapil kontrollitakse just tehnilisi teadmisi.<\/p>\n<p><b>Intervjuu tehnilise direktori \/ pea-arhitektiga<\/b>. Insenerid ja teadlased on strateegilised positsioonid, ja paljude ettev\u00f5tete jaoks on need ka uued. Oluline on, et potentsiaalne kolleeg meeldiks juhile ja jagaks temaga sarnaseid vaateid.<\/p>\n<h2>Mis aitab teadlastel ja inseneridel karj\u00e4\u00e4riredelil \u00fclespoole liikuda<\/h2>\n<p>\nAndmeid\u00f6\u00f6tluseks on tekkinud palju uusi t\u00f6\u00f6riistu. Kuid v\u00e4hesed oskavad k\u00f5igis \u00fchtviisi h\u00e4sti suhestuda.\u00a0<\/p>\n<p>Paljud ettev\u00f5tted ei ole valmis palkama t\u00f6\u00f6tajaid ilma t\u00f6\u00f6kogemuseta. Siiski saavad kandidaadid, kellel on minimaalne alus ja teadmised populaarsete t\u00f6\u00f6riistade p\u00f5hit\u00f5dedest, vajalikku kogemust omandada, kui nad \u00f5pivad ja arenevad iseseisvalt.<\/p>\n<h3>Kasulikud omadused andmete insenerile ja andmete teadlasele<\/h3>\n<p>\n<b>Soov ja oskus \u00f5ppida<\/b>. Ei ole vaja kohe p\u00fc\u00fcda saada kogemust v\u00f5i vahetada t\u00f6\u00f6d uue t\u00f6\u00f6riista nimel, kuid tuleb olla valmis liikuma uude valdkonda.<\/p>\n<p><b>P\u00fc\u00fcdlus automatiseerida rutiinseid protsesse<\/b>. See on oluline mitte ainult tootlikkuse, vaid ka andmete kvaliteedi ja nende edastamise kiirus s\u00e4ilitamise jaoks.<\/p>\n<p><b>T\u00e4helepanelikkus ja arusaam 'mis seal kapoti all' toimub<\/b>. Kiiremini lahendab \u00fclesande spetsialist, kes tunneb protsesse ja on nende \u00fcle p\u00f5hjalikult kursis.<\/p>\n<p>Lisaks suurep\u00e4rasele algoritmide, andmestruktuuride ja andmevoogude tundmisele tuleb <b>\u00f5ppida m\u00f5tlema toodete kaudu<\/b> \u2014 n\u00e4gema arhitektuuri ja \u00e4rilahendust tervikuna.\u00a0<\/p>\n<p>N\u00e4iteks on kasulik v\u00f5tta \u00fcks tuntud teenus ja luua selle jaoks andmebaas. Seej\u00e4rel m\u00f5elda, kuidas arendada ETL ja DW, mis t\u00e4idavad selle andmetega, kes on tarbijad ja mis on nende jaoks andmete juures oluline, samuti kuidas kliendid rakendustega suhtlevad: t\u00f6\u00f6otsingu ja tutvumise, autorendi, taskuh\u00e4\u00e4lingu rakendus, haridusplatvorm. <\/p>\n<blockquote><p>Anal\u00fc\u00fctiku, andmete teadlase ja inseneri positsioonid on v\u00e4ga sarnased, seet\u00f5ttu on \u00fcleminek \u00fchest suunast teise kiirem kui teistest valdkondadest.<\/p><\/blockquote>\n<p>Igal juhul on IT-tausta omavatel isikutel lihtsam kui neil, kellel seda ei ole. Keskmiselt vahetavad motiveeritud t\u00e4iskasvanud t\u00f6\u00f6kohti iga 1,5\u20132 aasta tagant. Kergem on see neile, kes \u00f5pivad grupis ja mentoriga, v\u00f5rreldes nendega, kellel on vaid avatud allikad.<\/p>\n<h2>Toimetus Netoloogiast<\/h2>\n<p>\nKui olete huvitatud andmeinseneri v\u00f5i andmete teadlase ametist, kutsume teid uurima meie kursuste programme:<\/p>\n<ul>\n<li>Amet \"<noindex><a rel=\"nofollow\" href=\"https:\/\/netology.ru\/programs\/data-engineer?utm_source=habr&amp;utm_medium=externalblog&amp;utm_campaign=bds_deg_ou&amp;utm_content=14042020_dataengscientist\">Andmeinsener<\/a><\/noindex>\u00bb.\u00a0\u00a0<\/li>\n<li>Amet \"<noindex><a rel=\"nofollow\" href=\"https:\/\/netology.ru\/programs\/data-scientist\/?utm_source=habr&amp;utm_medium=externalblog&amp;utm_campaign=bds_ds_ou&amp;utm_content=14042020_dataengscientist\">Andmete teadlane<\/a><\/noindex>\u00bb.<\/li>\n<li>Kursus \u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/netology.ru\/programs\/data-analyst\/?utm_source=habr&amp;utm_medium=externalblog&amp;utm_campaign=bds_da_ou&amp;utm_content=14042020_dataengscientist\">Andmete anal\u00fc\u00fctik<\/a><\/noindex>\u00bb.<\/li>\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/netologyru\/blog\/497214\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043c\u0435\u0441\u0442\u0435 \u0441 \u0415\u043b\u0435\u043d\u043e\u0439 \u0413\u0435\u0440\u0430\u0441\u0438\u043c\u043e\u0432\u043e\u0439, \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c \u0444\u0430\u043a\u0443\u043b\u044c\u0442\u0435\u0442\u0430 \u00abData Science \u0438 \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0430\u00bb \u0432 \u041d\u0435\u0442\u043e\u043b\u043e\u0433\u0438\u0438 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u043c \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u044c\u0441\u044f, \u043a\u0430\u043a \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0442 \u043c\u0435\u0436\u0434\u0443 \u0441\u043e\u0431\u043e\u0439 \u0438 \u0447\u0435\u043c \u0440\u0430\u0437\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f Data Scientist \u0438 Data Engineer. \u0412 \u043f\u0435\u0440\u0432\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043b\u0438 \u043e\u0431 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u043e\u0442\u043b\u0438\u0447\u0438\u044f\u0445 Data Scientist \u0438 Data Engineer. \u0412 \u044d\u0442\u043e\u043c \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0435 \u043f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u043c \u043e \u0442\u043e\u043c, \u043a\u0430\u043a\u0438\u043c\u0438 \u0437\u043d\u0430\u043d\u0438\u044f\u043c\u0438 \u0438 \u043d\u0430\u0432\u044b\u043a\u0430\u043c\u0438 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