---
title: 'Senior Application Security Engineer at Tripadvisor'
canonical: 'https://feeny.ai/job/senior-application-security-engineer-tripadvisor-oxford-tsk2a41prkr7'
type: 'job'
last_seen: '2026-09-14'
---

# Senior Application Security Engineer at Tripadvisor

- **Company:** Tripadvisor
- **Location:** Oxford, United Kingdom / London, United Kingdom
- **Posted:** 2026-09-09
- **Last confirmed live:** 2026-09-14
- **Apply:** https://job-boards.greenhouse.io/tripadvisor/jobs/8187973

## Job description

## 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 in Oxford, UK. We hire based on a permanent contract.

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 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.

What You’ll Need:

- 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.

## What We Offer

- 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.
- Generous referral scheme. Help us grow and be rewarded with generous awards for referring successful candidates.

Our Cultural Pillars:

Traveler first

We exist to create value for our customer, the traveler. We enable our suppliers and partners to unlock this value. Their collective behaviors and insights are what drives us.

Execution is our edge

We act fast, experiment, learn from failure, iterate, and improve the solutions of tomorrow across every aspect of our business. Our execution is agile, data-driven, prioritised, and built to scale. We assume no problem is someone else’s problem and finish what can be done today, knowing tomorrow will bring fresh challenges.

We succeed together

The best outcomes are driven by empathic, humble, and diverse subject matter experts working toward shared goals. We collaborate relentlessly, challenge assumptions, give actionable feedback, and set each other up for success through empowered teams with a clear charter. We transparently take ownership of our growth, individually and as a team. We celebrate the quality of our effort, our learnings, and our collective achievements.

We strive to create an accessible and inclusive experience for all candidates. If you need a reasonable accommodation during the application or the recruiting process, please make sure to reach out to your individual recruiter or our team at AccessibleRecruiting@tripadvisor.com.

If you have any additional questions about careers at Tripadvisor you can email us at recruitment@tripadvisor.com. We have all the answers!

## About Tripadvisor

## Company Overview
- **One-liner**: Tripadvisor is the world's largest travel guidance platform, helping hundreds of millions of travelers each month plan, book, and share experiences using over a billion reviews and opinions.
- **Entity Type**: Public (NASDAQ: TRIP)
- **Headquarters**: Needham, Massachusetts, United States
- **Founded**: Not publicly available in provided sources (commonly known as 2000, but not cited)
- **Founders**: Not publicly available in provided sources (commonly known as Stephen Kaufer, but not cited)

## Core Business
- **Primary Industry**: Travel technology / Software development
- **Target Customers**: B2C (travelers seeking reviews, booking, and trip planning) and B2B (hotels, restaurants, attractions, and experience providers)
- **Mission Statement**: “To bring people, passions, and places together and make everyone a better traveler.” [careers.tripadvisor.com](https://careers.tripadvisor.com/)

## Products & Services
- **Tripadvisor.com / App**: The core platform offering reviews, ratings, and booking for accommodations, restaurants, and attractions.
- **Viator**: Marketplace for bookable tours, activities, and experiences.
- **TheFork**: Restaurant reservation platform (primarily in Europe).
- **Cruise Critic**: Cruise reviews and information.
- **FlipKey / Holiday Lettings**: Vacation rental listing platforms.
- **SeatGuru**: Airline seat maps and in-flight amenity information.
- **SinglePlatform**: Digital menu and local business listing management.
- **Bokun**: Booking and inventory management software for tour operators.

## Market Standing
- **Valuation / Market Cap**: $3.5 billion (as of search date) [linkedin.com](https://www.linkedin.com/company/tripadvisor)
- **Key Metric**: Annual Revenue of $1.9 billion (most recent reported) [linkedin.com](https://www.linkedin.com/company/tripadvisor)
- **Notable Investors / Partners**: Publicly traded; parent company is Liberty TripAdvisor Holdings Inc. [linkedin.com](https://www.linkedin.com/company/tripadvisor)
- **Growth Signals**: Serves 400M+ monthly users; over 1 billion reviews and contributions; operates in 43 markets and 22 languages; recent acquisition of Liberty TripAdvisor Holdings (2025) for $437M; headcount of 1,816 (‑1.7% YoY) [linkedin.com](https://www.linkedin.com/company/tripadvisor) [tripadvisor.com](https://www.tripadvisor.com/)

## Competitive Advantages
- **Massive User-Generated Content**: Over 1 billion reviews and opinions across nearly 8 million businesses create a strong network effect.
- **Global Brand Recognition**: One of the most recognized travel brands worldwide, with presence in 75 countries.
- **Diverse Product Portfolio**: From reviews to booking to restaurant reservations (TheFork) and experiences (Viator), covering the full travel journey.
- **Data Moat**: Decades of traveler behavior data enable personalization and AI-driven recommendations.

## Strategic Focus
- **Next Chapter in Travel**: CEO Matt (last name not provided) emphasizes “writing the next chapter” and supporting small businesses. [careers.tripadvisor.com](https://careers.tripadvisor.com/)
- **AI & Personalization**: Recent departures of AI leadership suggest ongoing transformation; job postings include senior engineering and product roles focused on data and AI.
- **Hybrid Work & Global Talent**: Activity-based working model encourages in-person collaboration while supporting remote flexibility across offices in the Americas, EMEA, and APAC.

## Why Work Here
- **Culture & Values**: Described as “fueled by curiosity, flexibility, and collaboration” with a shared love of travel. [careers.tripadvisor.com](https://careers.tripadvisor.com/life-at-tripadvisor)
- **Work Model**: Activity-based working (hybrid) – some roles optimized for office, others for home; all full-time employees expected to spend some in-person time.
- **Benefits**: Full medical premium coverage for employee-only plans (some options), dental, vision, Employee Assistance Program (EAP), free Calm subscription, virtual babysitting/wellness support via SitterStream. [careers.tripadvisor.com](https://careers.tripadvisor.com/life-at-tripadvisor)
- **Career Development**: Award‑winning development program focused on growing yourself, others, and the business; live and on‑demand learning experiences. [careers.tripadvisor.com](https://careers.tripadvisor.com/life-at-tripadvisor)
- **Diversity & Inclusion**: Employee Resource Groups (ERGs) for underrepresented communities; recognized as a leader in LGBTQ+ Workplace Inclusion (2026). [careers.tripadvisor.com](https://careers.tripadvisor.com/)
- **Employee Ratings**: 3.6/5.0 on LinkedIn (1,668 reviews); Work‑Life 4.2, Compensation 3.9, Culture 3.9. [linkedin.com](https://www.linkedin.com/company/tripadvisor)
- **Global Offices**: Major hubs in Needham (MA), New York, London, Oxford, Paris, Sydney, Tokyo, Singapore, and many more. [careers.tripadvisor.com](https://careers.tripadvisor.com/life-at-tripadvisor)

## Sources
1. [careers.tripadvisor.com](https://careers.tripadvisor.com/) – Official careers page, mission, benefits, culture
2. [careers.tripadvisor.com/life-at-tripadvisor](https://careers.tripadvisor.com/life-at-tripadvisor) – Life at Tripadvisor, benefits, offices, ERGs
3. [linkedin.com/company/tripadvisor](https://www.linkedin.com/company/tripadvisor) – Company overview, financials, headcount, recent departures, acquisitions
4. [tripadvisor.com](https://www.tripadvisor.com/) – Core platform, reviews count, user base

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