Senior Machine Learning Scientist (Generative AI) -Viator...

Senior Machine Learning Scientist (Generative AI) -
Viator London, England About Viator Viator, a Tripadvisor company,
is the leading marketplace for travel experiences. We believe that
making memories is what travel is all about. And with 300,000+
travel experiences to explore—everything from simple tours to
extreme adventures (and all the niche, interesting stuff in
between)—making memories that will last a lifetime has never been
easier. With industry-leading flexibility and last-minute
availability, it's never too late to make any day extraordinary.
Viator. One app, 300,000+ travel experiences you’ll remember. Perks
of Working at Viator - Competitive compensation packages (routinely
benchmarked against the latest industry data), including base
salary and annual bonus. - “Work your way” with flexibility to suit
your lifestyle. Viator takes a remote-friendly approach to
collaboration across a worldwide team, with the option to join
on-site as often as you’d like. - 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 won’t get it right the first time – or every time.
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. You will work on: - Research, prototype, and productionize
generative AI models. - Develop scalable GenAI pipelines that
generate high-quality content, from product descriptions, reviews,
titles, and other product content. - Design and evaluate prompt
tuning strategies and RAG systems to ensure factual and engaging
outputs. - Fine-tune foundation models and develop domain-specific
adapters using techniques like LoRA, PEFT, and instruction tuning.

• Define best practices for model monitoring, including output
  quality, hallucination detection, and user feedback loops. -
  Understanding use cases for Agentic AI communicating your findings
  with the wider ML team and product. - Utilize RLHF methodologies to
  build feedback mechanisms that directly shape the behavior and
  quality of our generative AI outputs. - Collaborate
  cross-functionally with product, design, and engineering to
  integrate models into user-facing applications. - Stay up to date
  with the latest in GenAI research and help shape internal best
  practices. - Design, code, experiment and implement models and
  algorithms to enhance customer satisfaction, increase supplier
  value, optimize business results, and ensure infrastructure
  efficiency. - Collaborate with product managers and various
  business stakeholders to ensure top-quality outcomes to meet
  internal objectives. - Investigate and adopt innovative concepts
  that offer tangible benefits. To be successful in the role, you'll
  need: - 5+ years of hands-on data science experience with at least
  2 years of experience with LLM. - Awareness of current LLM
  techniques, prompt tuning, evaluations and model monitoring. -
  In-depth knowledge of AI/ML/DL, Statistics, and related open-source
  libraries. - Strong skills in SQL and at least one programming
  language. - To be comfortable in code reviews, discussing
  architecture, and collaborating with a multidisciplinary team for
  regular model deployments. - Experience in deploying online
  solutions and analysing real-time results through A/B testing. - To
  be passionate about mentoring junior members of the team, and have
  a strong desire to help us perform to the best of our ability. -
  Leadership qualities, autonomy, and team collaboration skills. -
  Clear communication skills, awareness of the audience, and
  proactive sharing of findings. Actively involved in business
  networking and able to communicate complex ideas across the
  business simply and effectively. Desired qualifications: - Master's
  or PhD in Computer Science, Operations Research, Statistics, or
  related quantitative disciplines. - Knowledge in (any or all) User
  Modelling, Representation Learning, RecSys, Large Language Models
  (LLM). - Prior experience in e-commerce or at an Online Travel
  Agency. Job Location: This role is a remote position or hybrid in
  the UK, Poland or Portugal. Occasional travel to company offices as
  necessary. #J-18808-Ljbffr