Posted Jan 5, 2026

Senior Application Security Engineer (Viator)

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We are looking for an experienced Senior Application Security Engineer to join our growing team at Viator. 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. Requirements 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 enforce application security policies across multiple engineering teams, ensuring consistency and scalability. Mentor and train junior engineers, helping them improve their security knowledge and practices. Provide expert advice on security architecture and design for new features and systems. Collaborate with engineering and product teams to integrate security requirements into software development lifecycles. Champion security initiatives by advocating for prioritisation of security issues and resolution of technical debt. Stay up to date with the latest security threats and industry best practices, ensuring that the team remains proactive in its approach to security. Benefits Competitive compensation packages, including base salary and annual bonus Flexible schedule Work-life balance is ingrained in our culture by design Donation matching Tuition assistance Lifestyle benefit Travel perks Employee assistance program Health benefits Originally posted on Himalayas