Senior Application Security Engineer

Benefits

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Verification

Not verified last checked Jun 13, 2026

Salary

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401(k) match

Listed Source: EMPLR_CONTRIB_INCOME_AMT. source Last checked Jun 13, 2026.

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About this role

Senior Application Security Engineer Poland About Tripadvisor The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world's most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance, and two-sided marketplaces for experiences, accommodations, restaurants, and other travel categories. The subsidiaries of Tripadvisor, Inc. (Nasdaq: TRIP), include a portfolio of travel brands and businesses, including Tripadvisor, Viator, and TheFork. We are looking for an experienced Senior Application Security Engineer to join our growing team at Tripadvisor Experiences. In this role, you will take a lead position in securing the applications that power our platform. As a Senior Engineer, you will design and implement advanced security measures, mentor junior engineers, and play a key role in ensuring the security of our products and infrastructure. This is a fantastic opportunity to influence our security practices and help shape the future of application security within the organisation. This role is based remotely in Poland. We hire based on a permanent contract (UoP). What You'll Do: - Lead the design and implementation of advanced application security measures, including encryption, secure APIs, and identity management. - Conduct in-depth threat modelling and risk assessments to identify and mitigate potential security risks. - Performing manual security assessments including code reviews. - Act as a Subject Matter Expert (SME) for security breaches, including performing root cause analysis and creating corrective actions related to security vulnerabilities. - Develop and

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