<SEC-DOCUMENT>0000950103-13-004675.txt : 20130801
<SEC-HEADER>0000950103-13-004675.hdr.sgml : 20130801
<ACCEPTANCE-DATETIME>20130801171804
ACCESSION NUMBER:		0000950103-13-004675
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130730
FILED AS OF DATE:		20130801
DATE AS OF CHANGE:		20130801

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EPAM Systems, Inc.
		CENTRAL INDEX KEY:			0001352010
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				223536104
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		41 UNIVERSITY DRIVE
		STREET 2:		SUITE 202
		CITY:			NEWTOWN
		STATE:			PA
		ZIP:			18940
		BUSINESS PHONE:		(267) 759-9000

	MAIL ADDRESS:	
		STREET 1:		41 UNIVERSITY DRIVE
		STREET 2:		SUITE 202
		CITY:			NEWTOWN
		STATE:			PA
		ZIP:			18940

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EPAM SYSTEMS INC
		DATE OF NAME CHANGE:	20060202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dobkin Arkadiy
		CENTRAL INDEX KEY:			0001538843

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35418
		FILM NUMBER:		131003492

	MAIL ADDRESS:	
		STREET 1:		C/O EPAM SYSTEMS, INC.
		STREET 2:		41 UNIVERSITY DRIVE, SUITE 202
		CITY:			NEWTOWN
		STATE:			PA
		ZIP:			18940
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-07-30</periodOfReport>

    <issuer>
        <issuerCik>0001352010</issuerCik>
        <issuerName>EPAM Systems, Inc.</issuerName>
        <issuerTradingSymbol>EPAM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001538843</rptOwnerCik>
            <rptOwnerName>Dobkin Arkadiy</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O EPAM SYSTEMS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>41 UNIVERSITY DRIVE, SUITE 202</rptOwnerStreet2>
            <rptOwnerCity>NEWTOWN</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18940</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO, President, Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-07-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>31036</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>29.10</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2724094</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-07-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>36275</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>29.15</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2687819</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>513400</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.80 to $29.22, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 and 3 to this Form 4.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.94 to $29.28, inclusive.</footnote>
        <footnote id="F4">These shares are held by the Arkadiy Dobkin GST Exempt Grantor Trust for the benefit of the reporting person's children.  The reporting person's spouse is trustee of the trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the filing of this report should not be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ginger Mosier, as Attorney-in-Fact</signatureName>
        <signatureDate>2013-08-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
