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  <xs:element id="mdb_Over10StockholderMember" abstract="true" name="Over10StockholderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_AdjustmentsToAdditionalPaidInCapitalEarlyExerciseOfStockOptions" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalEarlyExerciseOfStockOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_CommonStockVotingRightsNumberOfVotes" abstract="false" name="CommonStockVotingRightsNumberOfVotes" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mdb_RightofuseassetsobtainedinexchangeforleaseobligationsAbstract" abstract="true" name="RightofuseassetsobtainedinexchangeforleaseobligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_NonCashInterestOnBuildToSuitLease" abstract="false" name="NonCashInterestOnBuildToSuitLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_DeferredTaxAssetFinanceAndOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetFinanceAndOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_OperatingLeasesAbstract" abstract="true" name="OperatingLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_DocumentInformationAbstract" abstract="true" name="DocumentInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_ComputerAndOfficeEquipmentMember" abstract="true" name="ComputerAndOfficeEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_EffectiveIncomeTaxRateReconciliationForeignBranchIncome" abstract="false" name="EffectiveIncomeTaxRateReconciliationForeignBranchIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent" abstract="false" name="DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_AdjustmentstoAdditionalPaidinCapitalPurchaseofCappedCallsforConvertibleNoteHedges" abstract="false" name="AdjustmentstoAdditionalPaidinCapitalPurchaseofCappedCallsforConvertibleNoteHedges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_MongoDBAtlasRelatedMember" abstract="true" name="MongoDBAtlasRelatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_DebtInstrumentConvertibleTradingPriceAsAPercentageOfStockPriceAndDebtConversionRate" abstract="false" name="DebtInstrumentConvertibleTradingPriceAsAPercentageOfStockPriceAndDebtConversionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mdb_ConvertibleSeniorNotesEquityComponentMember" abstract="true" name="ConvertibleSeniorNotesEquityComponentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_CostofRevenueServicesMember" abstract="true" name="CostofRevenueServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_NumberofRevenueSources" abstract="false" name="NumberofRevenueSources" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mdb_CommonStockConversionFeaturePercentofOutstandingStock" abstract="false" name="CommonStockConversionFeaturePercentofOutstandingStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mdb_ConvertibleSeniorNotesInterestComponentMember" abstract="true" name="ConvertibleSeniorNotesInterestComponentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_NumberofClassofCommonStock" abstract="false" name="NumberofClassofCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardAggregateIntrinsicValueRollForward" abstract="true" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardAggregateIntrinsicValueRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_A2024NotesPartialRepurchaseMember" abstract="true" name="A2024NotesPartialRepurchaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_ContractWithCustomerLiabilityDeferredRevenuePercent" abstract="false" name="ContractWithCustomerLiabilityDeferredRevenuePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mdb_SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsCommonStockSubjecttoRepurchaseShares" abstract="false" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsCommonStockSubjecttoRepurchaseShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="mdb_RevenueFromContractWithCustomerPaymentTerm" abstract="false" name="RevenueFromContractWithCustomerPaymentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mdb_ConvertibleNotesDue2024And2026Member" abstract="true" name="ConvertibleNotesDue2024And2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_A2021AcquisitionMember" abstract="true" name="A2021AcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_WebsiteCostsMember" abstract="true" name="WebsiteCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_DeferredRentLiability" abstract="false" name="DeferredRentLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_DublinLeaseMember" abstract="true" name="DublinLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_WeightedaveragediscountrateAbstract" abstract="true" name="WeightedaveragediscountrateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_EffectiveIncomeTaxRateReconciliationOfficerCompensationInExcessOfOneMillionAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationOfficerCompensationInExcessOfOneMillionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" abstract="true" name="CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_ConvertibleSeniorNotesDue2026EquityComponentMember" abstract="true" name="ConvertibleSeniorNotesDue2026EquityComponentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_SharebasedCompensationArrangementbySharebasedPaymentAwardDurationOfOfferingPeriods" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardDurationOfOfferingPeriods" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardWeightedAverageRemainingContractualTermRollForward" abstract="true" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardWeightedAverageRemainingContractualTermRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_DeferredTaxLiabilityFinanceAndOperatingLeaseRightOfUseAssets" abstract="false" name="DeferredTaxLiabilityFinanceAndOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_DebtInstrumentConvertibleGrossAmountofEquityComponent" abstract="false" name="DebtInstrumentConvertibleGrossAmountofEquityComponent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableforGrantRollForward" abstract="true" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableforGrantRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_CommonStockConversionPercentOfTotalSharesOutstandingPreConversion" abstract="false" name="CommonStockConversionPercentOfTotalSharesOutstandingPreConversion" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mdb_FinanceLeasesAbstract" abstract="true" name="FinanceLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_PaymentsForPurchaseOfCappedCalls" abstract="false" name="PaymentsForPurchaseOfCappedCalls" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_RelatedPartyTransactionsPolicyPolicyTextBlock" abstract="false" name="RelatedPartyTransactionsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mdb_LeaseArrangementType1Domain" abstract="true" name="LeaseArrangementType1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_AccountingStandardsUpdate192016Member" abstract="true" name="AccountingStandardsUpdate192016Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_VestingOfEarlyExercisedStockOptionsNoncash" abstract="false" name="VestingOfEarlyExercisedStockOptionsNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount" abstract="false" name="LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_CommonStockConversionSharesAuthorizedDecrease" abstract="false" name="CommonStockConversionSharesAuthorizedDecrease" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="mdb_ProceedsFromTenantAllowance" abstract="false" name="ProceedsFromTenantAllowance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mdb_DeferredTaxLiabilitiesConvertibleDebtInstruments" abstract="false" name="DeferredTaxLiabilitiesConvertibleDebtInstruments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_ConvertibleSeniorNotesLiabilityComponentMember" abstract="true" name="ConvertibleSeniorNotesLiabilityComponentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_PaloAltoMember" abstract="true" name="PaloAltoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_FinanceLeaseInterestOnLeaseLiability" abstract="false" name="FinanceLeaseInterestOnLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_PartnershipArrangementMember" abstract="true" name="PartnershipArrangementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_EarlyExercisedEmployeeStockOptionMember" abstract="true" name="EarlyExercisedEmployeeStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_ReclassificationsOfPermanentEquityToTemporary" abstract="false" name="ReclassificationsOfPermanentEquityToTemporary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_OptionIndexedToIssuersEquityCapPrice" abstract="false" name="OptionIndexedToIssuersEquityCapPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="mdb_ConvertibleNotesDue2026Member" abstract="true" name="ConvertibleNotesDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_ConvertibleNotesDue2024Member" abstract="true" name="ConvertibleNotesDue2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsFairValueofSharesSubjecttoRepurchase" abstract="false" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsFairValueofSharesSubjecttoRepurchase" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
