Senior Application Security Engineer

Summary

Join Viator, a Tripadvisor company, as a Senior Application Security Engineer and take a lead role in securing our platform's applications. You will design and implement advanced security measures, mentor junior engineers, and ensure the security of our products and infrastructure. This remote-first position, based remotely in Poland or Portugal, offers the chance to influence security practices and shape the future of application security at Viator. You will collaborate with engineering and product teams, champion security initiatives, and stay updated on the latest security threats. Viator offers a competitive compensation package and various benefits, including flexible work arrangements, tuition assistance, travel perks, and more.

Requirements

• 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

Responsibilities

• 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

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, including base salary, annual bonus, and equity
• ���Work your way” with flexibility to suit your lifestyle. We take a remote-friendly approach to collaboration, with the option to join on-site as often as you’d like in select locations
• 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