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Exhibit 31.1

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CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Leonard Livschitz, certify that:

1.

I have reviewed this annual report on Form 10-K/A of Grid Dynamics Holdings, Inc.; and

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

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Date: April 30, 2026

/s/ Leonard Livschitz

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Name:

Leonard Livschitz

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Title:

Chief Executive Officer

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