Staff Data Scientist

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At loveholidays, we’re on a mission to open the world to everyone, giving our customers’ unlimited choice, unmatched ease and unmissable value for their next getaway. We are a super fast growing travel-tech business who have been on an amazing journey from start-up to scale out - with over 400 people, and selling amazing holidays to over 4 million passengers!
We have big ambitions over the next 5 years - with a vision to be Europe’s #1 holiday provider. Come join us on this exciting journey!
Why loveholidays?
At loveholidays -

we trailblaze together . We’re on a mission to open the world to everyone, giving our customers’ unlimited choice, unmatched ease and unmissable value for their next getaway. Our team is the driving force behind our role as our customers’ personal holiday expert - the smart way to get away.

Technology at loveholidays underpins our vision to become the most loved OTA in Europe. We

drive cutting-edge innovation

and technical excellence to futureproof the business. Our systems process trillions of daily holiday offers, we deploy over a thousand times a month, serving thousands of requests per second. This is where you can

accelerate your growth

by solving complex challenges and broadening your skillset.

Join us to

create impact for our future

in a new growth phase, owning your success and contributing to shared goals. We actively talk about

technology

and adhere to our key

technology principles

that have guided us this far. We are growing and have

ambitious plans to expand across Europe , employing the best minds and technology to let us do this.
About the team
Our Data Science team comprises eight members, including four Senior Data Scientists, two Data Scientists, a Machine Learning Engineer and the Head of Data Science. We specialise in various areas such as Recommender Systems, Time Series Forecasting, Deep Learning, and Reinforcement Learning, fostering a collaborative learning environment.
Our focus is on modelling and problem-solving, leveraging advanced machine learning techniques to create solutions to challenging business problems. We prioritise clean, well-tested code with a culture of documentation and knowledge sharing. Our tech stack includes GCP, Python, GitHub, PyTorch, TensorFlow, Scikit-learn, and XGBoost.
With mature infrastructure and dedicated teams for Data Engineering, Analytics, and Platform Engineering, our Data Scientists enjoy high autonomy. We tackle interesting datasets, set up large-scale experiments, and implement growth strategies with NO red tape. Quarterly OKR planning ensures that priorities are clearly defined and teams are aligned on objectives.

The impact you’ll have:
Reporting to the Head of Data Science, the Staff Data Scientist will be a technical leader who drives strategic initiatives and shapes the technical direction of the Data Science function at loveholidays. You'll be a catalyst for innovation, a mentor to junior team members, and a trusted advisor to stakeholders across the business, helping to implement our AI strategy and align data science capabilities with business objectives.
Leading strategic initiatives from conception to delivery, including stakeholder management and business value articulation
Researching and developing cutting-edge models and techniques to tackle complex business challenges
Establishing and implementing best practices across data science systems and services
Providing technical leadership and mentorship to junior team members, facilitating their growth and development
Proactively identifying and implementing improvements to team processes or workflows
Contributing to architectural decisions for data science infrastructure
Leading knowledge sharing sessions through technical presentations of projects
Representing data science in cross-functional initiatives and being a trusted advisor beyond your immediate team
Participating in project prioritisation and strategic planning for the data science function
Implementing comprehensive monitoring solutions and designing fault-tolerant systems
We're seeking an exceptional technical leader who can drive innovation while maintaining production excellence. The following qualities are essential:
Technical Excellence:

Deep expertise in machine learning approaches with the ability to assess and implement cutting-edge algorithms
Strategic Thinking:

Ability to break down high-level optimisation goals into lower-level components whilst understanding complex/second-order consequences
Leadership:

Proven ability to mentor others, resolve conflicts, and be a key motivator for team members
Business Acumen:

Strong ability to link technical solutions to business outcomes and prioritise work based on impact
Communication:

Exceptional ability to translate complex technical concepts to non-technical stakeholders and influence decision-making
Problem-Solving:

Track record of resolving complex technical challenges that impact multiple teams
Collaboration:

Demonstrated success working across functions and teams to deliver high-impact projects
Required Experience
Leading multiple end-to-end projects simultaneously, from inception through to production monitoring and optimisation
Designing and implementing sophisticated experiments and models that significantly enhance business performance
Expert-level knowledge of machine learning and statistical methods for predictive modelling and forecasting
Extensive experience deploying ML models to production at scale with robust monitoring systems
Advanced knowledge of SQL and data manipulation techniques
Mastery of software engineering best practices including unit testing, CI/CD, model management and experiment tracking
Track record of successful technical mentorship and team development
Demonstrated cross-functional collaboration skills across engineering, product, and business teams
Expertise in Deep Learning, Generative AI and Reinforcement Learning
Advanced knowledge of Time Series Forecasting and Recommender Systems
Previous experience working in e-commerce, retail, or the travel industry
Experience designing and analysing large-scale A/B test experiments
Mastery of workflow orchestration technologies such as Airflow, Dagster or Prefect
Expert knowledge of technologies such as:
Google Cloud Platform, particularly Vertex AI
Docker and Kubernetes
Infrastructure as Code
Experience establishing data science best practices across an organisation
Perks of joining us:

Company pension contributions at 5%.
Individualised training budget for you to learn on the job and level yourself up.
Discounted holidays for you, your family and friends.
25 days of holidays per annum (plus 8 public holidays) increases by 1 day for every second year of service, up to a maximum 30 days per annum.
Ability to buy and sell annual leave.
Cycle to work scheme, season ticket loan and eye care vouchers.
At loveholidays, we focus on developing an inclusive culture and environment that encourages personal growth and collective success. Each individual offers unique perspectives and ideas that increase the diversity and effectiveness of our teams. And we value the insight and potential you could bring on our continued journey.
The interview journey:

TA screening with someone from our Talent team - 30 minutes
1st stage interview with the Head of Data Science - 45 minutes
Panel interview with key stakeholders, including a task to present in office - 1.5 hours
Final stage with Chief Data Officer - 45 minutes

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