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DevSkills Coding Test Library
Practical coding tests designed by industry experts.
Interactive Presentation Backend - Level 1
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripejunior (3h) · mid-level (2h) · senior (1h)RESTHTTPMicroservicesDocsPHP+7Interactive Presentation Backend - Level 3
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripesenior (3h)RESTHTTPMicroservicesDatabasesSQL+14Interactive Presentation Polls & Votes Backend - Level 2
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripemid-level (3h) · senior (2h)RESTHTTPMicroservicesDatabasesSQL+11Interactive Presentation Polls Backend - Level 2
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripemid-level (3h) · senior (2h)RESTHTTPMicroservicesDatabasesSQL+11Lookup Service - Level 1
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripejunior (1h) · mid-level (45min) · senior (30min)RESTHTTPMicroservicesDatabasesSQL+8Lookup Service - Level 2
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripemid-level (2h) · senior (1h)RESTHTTPMicroservicesDatabasesSQL+11Transaction Management Backend - Level 1
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripejunior (3h) · mid-level (2h) · senior (1h)RESTHTTPMicroservicesDatabasesSQL+8Transaction Management Backend - Level 2
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripemid-level (3h) · senior (2h)RESTHTTPMicroservicesDatabasesSQL+10Transaction Management Backend - Level 3
backend
Authored by Rafa Paliwoda, Backend Engineer at Stripesenior (3h)RESTHTTPMicroservicesDatabasesSQL+14Chicago Crime Analysis - Level 1
data
Authored by Fredrik Lidefelt, Data Analyst at Klarnajunior (2h) · mid-level (1.5h) · senior (1h)sqlpythonjupyterChicago Crime Analysis - Level 2
data
Authored by Fredrik Lidefelt, Data Analyst at Klarnamid-level (2h) · senior (1.5h)sqlpythont-testsjupyterChicago Crime Analysis - Level 3
data
Authored by Fredrik Lidefelt, Data Analyst at Klarnasenior (2h)sqlpythont-testsjupyterRTOS Queue API
embedded
Authored by DevSkillsmid-level (2h) · senior (1h)cconcurrencytestingUART initialize
embedded
Authored by DevSkillsjunior (2h) · mid-level (1.5h) · senior (1h)cbitwiseAccounting Frontend - Level 1
frontend
Authored by Maksim Ivanov, Frontend Engineer at Spotifyjunior (3h) · mid-level (2h) · senior (1h)REST APIStateReactVueJS+2Accounting Frontend - Level 2
frontend
Authored by Maksim Ivanov, Frontend Engineer at Spotifymid-level (3h) · senior (2h)REST APIStateClean codeValidationError Handling+6Accounting Frontend - Level 3
frontend
Authored by Maksim Ivanov, Frontend Engineer at Spotifysenior (3h)REST APIStateDocsClean codeValidation+8Multi Step Form - Level 1
frontend
Authored by Maksim Ivanov, Frontend Engineer at Spotifyjunior (90min) · mid-level (60min) · senior (30min)State managementReactVueJSHTML+2Multi Step Form - Level 2
frontend
Authored by Maksim Ivanov, Frontend Engineer at Spotifymid-level (90min) · senior (45min)State managementClean codeValidationReactVue+5Notes App React
frontend
Authored by Maksim Ivanov, Frontend Engineer at Spotifyjunior (30min) · mid-level (20min) · senior (15min)ReactJavascriptHTMLScreeningState managementNotes App Vue
frontend
Authored by Maksim Ivanov, Frontend Engineer at Spotifyjunior (30min) · mid-level (20min) · senior (15min)VueJavascriptHTMLScreeningState managementAccounting Fullstack - Level 1
fullstack
Authored by DevSkillsjunior (3h) · mid-level (2h) · senior (1h)REST APIHTTPStateReactVue+3Accounting Fullstack - Level 2
fullstack
Authored by DevSkillsmid-level (3h) · senior (2h)REST APIHTTPStateClean codeValidation+7Accounting Fullstack - Level 3
fullstack
Authored by DevSkillssenior (3h)REST APIHTTPStateDocsClean code+9Meal Roulette App Mobile - Level 1
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotjunior (3h) · mid-level (2h) · senior (1h)RESTGraphQLUIDocsAndroid+3Meal Roulette App Mobile - Level 2
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotmid-level (3h) · senior (2h)RESTGraphQLUIReactiveClean code+6Meal Roulette App Mobile - Level 3
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotsenior (3h)RESTGraphQLUIPaginationError handling+8Movie App Mobile - Level 1
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotjunior (3h) · mid-level (2h) · senior (1h)RESTGraphQLHTTPUIDocs+4Movie App Mobile - Level 2
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotmid-level (3h) · senior (2h)RESTGraphQLHTTPUIReactive+7Movie App Mobile Pagination - Level 3
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotsenior (3h)RESTGraphQLHTTPUIPagination+9Transaction Management Mobile - Level 1
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotjunior (3h) · mid-level (2h) · senior (1h)REST APIStateDocsAndroidFlutter+3Transaction Management Mobile - Level 2
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotmid-level (3h) · senior (2h)REST APIStateDocsValidationClean code+7Transaction Management Mobile - Level 3
mobile
Authored by Rémon Helmond, Mobile Engineer at BonBotsenior (3h)REST APIStateDocsValidationClean code+8
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