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CodingLevel 3

Performance review

Easy

Medium

Hard

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StatusFormatCompany style

Easy

Paid orders summary for the finance dashboardCode reviewCode review10 min Affected build targets for a monorepo changeCode reviewCode review10 min Recent active orders on the account pageCode reviewCode review10 min Wait helper for the invoice export jobCode reviewCode review10 min Nightly price feed import into PostgresCode reviewCode review12 min Notifications endpoint behind the bell menuCode reviewCode review10 min Daily revenue rollup for the finance dashboardCode reviewCode review12 min Webhook receiver for carrier tracking updatesCode reviewCode review10 min

Medium

Blocklist linear searchCode reviewCode review20 min CSV export string concatenationCode reviewCode review20 min Apply discounts repeated config loadCode reviewCode review20 min Sum readings linked listCode reviewCode review20 min Extract IDs regex recompileCode reviewCode review20 min Build payload byte appendCode reviewCode review20 min Repeated sort in validation loopCode reviewCode review20 min Lazy association returns promiseCode reviewCode review22 min Order serialization N+1 queriesCode reviewCode review25 min Lazy loading N+1 queriesCode reviewCode review25 min N+1 query in author attachmentCode reviewCode review22 min String concatenation quadratic allocationCode reviewCode review18 min

Hard

Enrich orders N+1 queriesCode reviewCode review30 min GraphQL resolver N+1 queriesCode review · Meta styleMeta styleCode reviewMeta style30 min Home page product ranking for each userCode reviewCode review25 min Repeated sort in task schedulerCode reviewCode review30 min Unnecessary spread in array mergeCode reviewCode review25 min Split charge loses remainderCode review · Stripe styleStripe styleCode reviewStripe style30 min Copy allocates wrong sizeCode review · Microsoft styleMicrosoft styleCode reviewMicrosoft style30 min False sharing in atomic arrayCode review · Citadel styleCitadel styleCode reviewCitadel style40 min Slice append without capacityCode reviewCode review20 min LinkedList index access quadraticCode reviewCode review20 min VAT totals don't match invoiceCode review · Stripe styleStripe styleCode reviewStripe style20 min Interface{} boxing on hot pathCode reviewCode review22 min