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  <xsd:element id="mdb_AdjustmentsToAdditionalPaidInCapitalEarlyExerciseOfStockOptions" name="AdjustmentsToAdditionalPaidInCapitalEarlyExerciseOfStockOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_AdjustmentstoAdditionalPaidinCapitalPurchaseofCappedCallsforConvertibleNoteHedges" name="AdjustmentstoAdditionalPaidinCapitalPurchaseofCappedCallsforConvertibleNoteHedges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdb_AssetsAndLiabilitiesLesseeTableTextBlock" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFinancialAndTangibleAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFinancialAndTangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdb_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" name="CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_CommonStockConversionFeaturePercentofOutstandingStock" name="CommonStockConversionFeaturePercentofOutstandingStock" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_CommonStockConversionFeaturePeriodOfAutomaticConversionAfterDeathOfFounder" name="CommonStockConversionFeaturePeriodOfAutomaticConversionAfterDeathOfFounder" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_CommonStockVotingRightsNumberOfVotes" name="CommonStockVotingRightsNumberOfVotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ComputerAndOfficeEquipmentMember" name="ComputerAndOfficeEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_ConstructionCostsBuildToSuitLeaseObligations" name="ConstructionCostsBuildToSuitLeaseObligations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_ContractWithCustomerLiabilityDeferredRevenuePercent" name="ContractWithCustomerLiabilityDeferredRevenuePercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ConvertibleNotesDue2024Member" name="ConvertibleNotesDue2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ConvertibleNotesDue2026Member" name="ConvertibleNotesDue2026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ConvertibleSeniorNotesDue2026EquityComponentMember" name="ConvertibleSeniorNotesDue2026EquityComponentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ConvertibleSeniorNotesDue2026LiabilityComponentMember" name="ConvertibleSeniorNotesDue2026LiabilityComponentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ConvertibleSeniorNotesEquityComponentMember" name="ConvertibleSeniorNotesEquityComponentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ConvertibleSeniorNotesInterestComponentMember" name="ConvertibleSeniorNotesInterestComponentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ConvertibleSeniorNotesLiabilityComponentMember" name="ConvertibleSeniorNotesLiabilityComponentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_CostofRevenueServicesMember" name="CostofRevenueServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_CostofRevenueSubscriptionMember" name="CostofRevenueSubscriptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_DebtConversionConvertibleInstrumentSharesIssuable" name="DebtConversionConvertibleInstrumentSharesIssuable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="mdb_DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent" name="DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_DebtInstrumentConvertibleConversionPriceAverageMarketPrice" name="DebtInstrumentConvertibleConversionPriceAverageMarketPrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_DebtInstrumentConvertibleConversionRatioDenominator" name="DebtInstrumentConvertibleConversionRatioDenominator" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_DebtInstrumentConvertibleGrossAmountofEquityComponent" name="DebtInstrumentConvertibleGrossAmountofEquityComponent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_DebtInstrumentConvertibleTradingPriceAsAPercentageOfStockPriceAndDebtConversionRate" name="DebtInstrumentConvertibleTradingPriceAsAPercentageOfStockPriceAndDebtConversionRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mdb_DeferredRentLiability" name="DeferredRentLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_DeferredTaxAssetFinanceAndOperatingLeaseLiabilities" name="DeferredTaxAssetFinanceAndOperatingLeaseLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdb_DeferredTaxLiabilitiesConvertibleDebtInstruments" name="DeferredTaxLiabilitiesConvertibleDebtInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_DeferredTaxLiabilityFinanceAndOperatingLeaseRightOfUseAssets" name="DeferredTaxLiabilityFinanceAndOperatingLeaseRightOfUseAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_DepreciationAndAmortizationPropertyPlantandEquipment" name="DepreciationAndAmortizationPropertyPlantandEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_DocumentInformationAbstract" name="DocumentInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_DublinLeaseMember" name="DublinLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_EarlyExercisedEmployeeStockOptionMember" name="EarlyExercisedEmployeeStockOptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_EarlyExercisesStockRepurchasedDuringPeriodShares" name="EarlyExercisesStockRepurchasedDuringPeriodShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_EstimatedFairValueBuildToSuitOfficeLease" name="EstimatedFairValueBuildToSuitOfficeLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_FairValueCashConsiderationEffectiveDiscountRate" name="FairValueCashConsiderationEffectiveDiscountRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mdb_FinanceLeaseInterestOnLeaseLiability" name="FinanceLeaseInterestOnLeaseLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_FinanceLeasesAbstract" name="FinanceLeasesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_FinanceLeasesNetRentableArea" name="FinanceLeasesNetRentableArea" nillable="true" substitutionGroup="xbrli:item" type="num:areaItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_IncreaseDecreaseInOperatingLeaseLiability" name="IncreaseDecreaseInOperatingLeaseLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_KingdomMergerSubIncAndTightdbInc.MergerMember" name="KingdomMergerSubIncAndTightdbInc.MergerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount" name="LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdb_MongoDBAtlasRelatedMember" name="MongoDBAtlasRelatedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_NYOfficeLeaseMember" name="NYOfficeLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_NonCashInterestOnBuildToSuitLease" name="NonCashInterestOnBuildToSuitLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdb_NumberOfAcquiredFiniteLivedIntangibleAssets" name="NumberOfAcquiredFiniteLivedIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="mdb_NumberofClassofCommonStock" name="NumberofClassofCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_NumberofRevenueSources" name="NumberofRevenueSources" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_OperatingLeaseRightofUseAssetAmortization" name="OperatingLeaseRightofUseAssetAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_OperatingLeaseinAustraliaMember" name="OperatingLeaseinAustraliaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_OperatingLeaseinNewYorkMember" name="OperatingLeaseinNewYorkMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_OperatingLeaseinTexasMember" name="OperatingLeaseinTexasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_OperatingLeasesAbstract" name="OperatingLeasesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_OperatingLeasesNetRentableArea" name="OperatingLeasesNetRentableArea" nillable="true" substitutionGroup="xbrli:item" type="num:areaItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_OptionIndexedToIssuersEquityCapPrice" name="OptionIndexedToIssuersEquityCapPrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_OtherSubscriptionMember" name="OtherSubscriptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_Over10StockholderMember" name="Over10StockholderMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_PaymentsForPurchaseOfCappedCalls" name="PaymentsForPurchaseOfCappedCalls" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_PaymentsToAcquireBusinessesExcessCashAmount" name="PaymentsToAcquireBusinessesExcessCashAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_RelatedPartyTransactionsPolicyPolicyTextBlock" name="RelatedPartyTransactionsPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_RevenueFromContractWithCustomerPaymentTerm" name="RevenueFromContractWithCustomerPaymentTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_RightofuseassetsobtainedinexchangeforleaseobligationsAbstract" name="RightofuseassetsobtainedinexchangeforleaseobligationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardAggregateIntrinsicValueRollForward" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardAggregateIntrinsicValueRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableforGrantRollForward" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableforGrantRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardWeightedAverageRemainingContractualTermRollForward" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardWeightedAverageRemainingContractualTermRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_ShareBasedCompensationByShareBasedPaymentAwardEarlyExercisesinPeriodSharesAvailableforGrant" name="ShareBasedCompensationByShareBasedPaymentAwardEarlyExercisesinPeriodSharesAvailableforGrant" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_ShareBasedPaymentArrangementCashPaidForExerciseOfStockAppreciationRights" name="ShareBasedPaymentArrangementCashPaidForExerciseOfStockAppreciationRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_SharebasedCompensationArrangementbySharebasedPaymentAwardDurationOfOfferingPeriods" name="SharebasedCompensationArrangementbySharebasedPaymentAwardDurationOfOfferingPeriods" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsCommonStockSubjecttoRepurchaseShares" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsCommonStockSubjecttoRepurchaseShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="mdb_SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsFairValueofSharesSubjecttoRepurchase" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsFairValueofSharesSubjecttoRepurchase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_StockIssuedDuringPeriodSharesNewIssuesforExerciseOfWarrants" name="StockIssuedDuringPeriodSharesNewIssuesforExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_StockIssuedDuringPeriodValueNewIssuesForExerciseOfWarrants" name="StockIssuedDuringPeriodValueNewIssuesForExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_StockOptionRepricingMember" name="StockOptionRepricingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_SydneyOfficeMember" name="SydneyOfficeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_TemporaryEquityIssuedDuringPeriodSharesNewIssuesForExerciseOfWarrants" name="TemporaryEquityIssuedDuringPeriodSharesNewIssuesForExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_TemporaryEquityStockIssuedDuringPeriodSharesNewIssuesForExerciseOfWarrants" name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssuesForExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_VestingOfEarlyExercisedStockOptionsNoncash" name="VestingOfEarlyExercisedStockOptionsNoncash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_WeightedaveragediscountrateAbstract" name="WeightedaveragediscountrateAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_WeightedaverageremainingleasetermAbstract" name="WeightedaverageremainingleasetermAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
</xsd:schema>
