[Hiring] Senior Application Security Engineer @Tripadvisor

Role Description

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. This is a fantastic opportunity to influence our security practices and help shape the future of application security within the organisation.

We are a remote-first company. This role is based remotely in Portugal.

What You’ll Do:

• Demonstrated ability to use AI tools to improve efficiency, quality, and decision-making in day-to-day work.
• Proven ability to operate effectively with a global-first mindset.
• 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.
• Perform 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.

Qualifications

• Extensive experience in application security, including expertise in secure coding practices, threat modelling, vulnerability assessments, and incident response.
• Hands-on experience with security testing tools (SAST, DAST) and their integration into development pipelines.
• Strong understanding of advanced security concepts such as encryption, secure software design, identity management, and API security.
• Experience with cloud security (AWS, Azure, etc.) and securing microservices architectures.
• Proven leadership skills, with the ability to guide and mentor other engineers and influence security practices across teams.
• Excellent communication and collaboration skills, with a track record of working closely with cross-functional teams to improve security posture.
• 4+ years experience working as a Security Engineer / Application Security Analyst.

Preferred Qualifications

• Experience with regulatory frameworks (e.g., GDPR, PCI-DSS, SOC 2) and their integration into security processes.
• Industry-recognised security certifications (e.g., OSCP, OSCE, or similar).
• Familiarity with the latest security tools and frameworks to proactively identify vulnerabilities and mitigate threats.
• A passion for mentoring and developing others, with a commitment to continuous learning and improvement.

Benefits

• Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonuses.
• “Work your way” with flexibility to suit your lifestyle. Tripadvisor Group takes a remote-friendly approach to collaboration across a worldwide team, with the option to join on-site as often as you’d like or as required by your team.
• Flexible schedule. Work-life balance is ingrained in our culture by design. Trust and accountability make it work.
• Donation matching. Give back? Give more! We match qualifying charitable donations annually.
• Tuition assistance. Want to level up your career? We love to hear it! Receive annual support for qualified programs.
• Lifestyle benefit. An annual benefit to spend on yourself. Use it on travel, wellness, or whatever suits you.
• Travel perks. We believe that travel is employee development, so we provide discounts and more.
• Employee assistance program. We’re here for you with resources and programs to help you through life’s challenges.
• Health benefits. We offer great coverage and competitive premiums.