London - Senior ML Ops Engineer (Experiences)

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.

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.

Tripadvisor Experiences Engineering

the team that builds and supports the world’s leading marketplace for travel experiences. We believe that making memories is what travel is all about. And with 400,000+ travel experiences to explore—everything from simple tours to extreme adventures (and everything in between) —making memories that will last a lifetime has never been easier. Our Internal Systems pillar is at the forefront of transforming how we harness AI, Machine Learning and Data Science to drive innovation and growth. To address the increasing traffic and deliver a cutting-edge platform, the team is in search of a MLOps Engineer to join and support Tripadvisor’s growth. We are looking for an intermediate level MLOps Engineer to join the team. If you're passionate about creating ML/AI Platforms that empower teams to enhance customer experiences, we’d love to have you on board! This is a hybrid role based in London, opened for all the candidates who are already based in London or max 1,5h away. (relaxed hybrid, 2x per month)

What You’ll Do

• Empowering Data Science and ML stakeholders, by providing the tools and support the infrastructure necessary for seamless execution of machine learning and AI processes.
• Support tech stack evolution by developing across our existing technology stack running in AWS cloud, leveraging and adopting the latest solutions available in that environment.
• Build and maintain a robust and scalable infrastructure to support pre-computed, batch and real-time model needs, ensuring smooth deployment and reducing time-to-market of machine learning models.
• Take responsibility for all aspects of software engineering, from design to implementation, QA, and maintenance.
• Monitor and support ML pipelines for accuracy, drifts, enhancements, changes, SLA, and billing volumes to ensure all models are processed accurately and when needed.
• Foster a culture of innovation by generating and promoting new ideas within the MLOps domain.
• Work with cross-functional stakeholders in defining and documenting requirements for building high-quality and impactful ML/AI products.

What You’ll Need

• 4+ years of MLOps experience, participating in building modern ML infrastructure catering to all stages of a model lifecycle.
• Hands‑on experience with AWS and/or GCP, demonstrating proficiency in leveraging cloud services for scalable and reliable MLOps solutions.
• Demonstrable experience of IaC (Infrastructure-as-code) tools like Terraform or CloudFormation in a production environment.
• Previous exposure to additional technologies like Seldon, KServe, RayServe, Kubernetes, MLFlow, Sagemaker, Kubeflow, Anyscale, Valohai, ArgoCD, Docker, Python, Java, Ray, Spark, Pandas, Argo Workflow, Postgres, Snowflake and BigQuery is highly desirable.
• Good to have: previous knowledge managing complementary DBs like vector and/or graph DBs
• Good to have: Hands‑on experience in model optimization with experience in handling high throughput and low latency applications with an eye on cost.
• Good to have: Experience with LLMOps leveraging open source models
• Ability to develop across a diverse technology stack and willingness and ability to take on new technologies.
• Demonstrated experience participating in cross-functional teams in fast-paced environments.
• Experience with CI/CD processes and platforms.
• Ability to effectively operate both independently and as part of a team.
• Sense of ownership, urgency and pride in your work. Experience being a lead engineer / SME on multiple projects
• High-quality verbal and written communication skills.

Perks of Working at Viator

• 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.

Our Values

We aspire to lead. Tap into your talent, ambition, and knowledge to bring us – and you – to new heights. We’re relentlessly curious. We push beyond the usual, the known, the “that’s just how it’s done.” We’re better together. We learn from, accept, respect, support, and value one another– and are creating something remarkable in the process. We serve our customers, always. We listen, question, respond, and strive for wow moments. We strive for better, not perfect. We’ll provide a safe environment in which to make mistakes, iterate, improve, and grow. Our workplace is for everyone, as is our people powered platform. At Tripadvisor, we want you to bring your unique identities, abilities, and experiences, so we can collectively revolutionize travel and together find the good out there.

• If you need a reasonable accommodation or support during the application or the recruiting process due to a medical condition or disability, please reach out to your individual recruiter or send an email to and let us know the nature of your request. Please include the job requisition number in your message.

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