Data Scientist Junior-Jobs in Großbritannien

Heidi was born to make it easy for more and more people to discover the power of the mountains. We burst onto the ski holiday market in 2018 (formally known as Ski Zoom) and have seen exponential growth.

The company came from a desire to fix the lack of flexibility in the winter ski market. We help skiers and mountain lovers discover resorts that are hidden gems alongside the classics, and our clever tech is helping them to do it in a way that suits them best. We’re a youthful, challenger brand, with an awesome culture, and we’re shaking up a very traditional ski/mountain holiday industry.

Looking to the future, we have huge ambitions for growth. In 2024 we grew by 64% and expect to grow even more in 2025. Having come 63rd in the Times top 100 fastest growing UK companies, and shortly after securing £5 million investment, we are in a prime position to achieve our goals. But key to that is also growing the Heidi team with even more brilliant people than we have now. So we are looking for someone who will be fundamental to the success of our vision and is excited to help us drive that forward.

The team and role

Our Marketing team is growing to support the rapid growth of Heidi. We’re split into 4 core areas; commercial; brand; performance media and retention. The brand team are responsible for making Heidi the most considered ski brand and for growing our earned traffic. The media team is responsible for maximising the conversion of customers looking for a ski trip. The retention team is responsible for providing a brilliant experience for our current customers.

The commercial team consists of the Trading Manager and this role and their goal is to ensure that we are making the right decisions and investments across Marketing, Pricing, Product, Finance and Supply to ensure that we maximise profit.

The E-commerce analyst will be responsible for turning data into insights, for identifying trends and working with a range of stakeholders to drive the business performance.

What You’ll Be Doing

• Partner cross-functionally. Act as a strategic partner to marketing, product, commercial, and leadership teams. Provide decision-support rooted in strong analytical thinking.
• Analyse onsite user behaviour. Investigate user journeys through the product funnel to identify drop-off points, friction, and key conversion levers. Collaborate with product and UX teams to recommend improvements.
• Performance deep dives. Proactively surface insights on what’s driving growth or decline, across channels, cohorts, destinations, dates, and other segmentation dimensions.
• Empower the business with insight. Create self-serve visualisations and dashboards (e.g., Looker, Tableau, or equivalent) to track commercial and customer performance across search, booking, and retention.
• Design and execute ad hoc analyses. Respond quickly to evolving business questions with robust analytical outputs, from sizing opportunities to diagnosing anomalies.
• Own the data layer. Help shape the events tracking and structured data used across the business. Work closely with developers to ensure good data hygiene and coverage across the user journey.

What you will bring

• Analytical depth. Strong experience in SQL, Excel/Sheets, and at least one BI tool (e.g., Looker, Power BI, Tableau). Able to distil complexity into clear insights.
• Product & funnel analytics. Comfortable analysing online customer behaviour across multi-step booking journeys, using tools like GA4, BigQuery, Amplitude or similar.
• Commercial acumen in D2C businesses. Deep understanding of performance metrics in fast-scaling D2C businesses (LTV, CAC, AOV, conversion, etc). Able to connect metrics to business impact.
• Market awareness. Experience or familiarity with using external data sources (e.g., Google Trends, OTA pricing, flight capacity, competitor scraping) to contextualise performance.
• Comfort with ambiguity. Thrives in fast-paced, high-growth environments. Willing to test, iterate, and learn — even when inputs are imperfect or incomplete.
• Execution bias. Knows when “good enough” beats perfect. Can balance speed and rigour, knowing which decisions need 80% and which need 99%.
• Communication & storytelling. Able to package analysis into crisp, visual narratives that influence stakeholders and drive decisions.
• Growth Mindset. Appetite to build from scratch. Comfort in unstable environments and a proactive approach to finding answers and fixing problems.

How big is the team?

Brand: Brand Director, Content Lead, Senior Copywriter, Snr Content Exec, Social Media Manager

Media: Head of Performance Media, Growth Manager and Performance Marketing Agency

Retention: Customer Retention Lead

Commercial: Trading Manager and Analyst

Who's going to be your manager?

You’ll be reporting to Sam Knott, our CMO

The interview process:

1. TA Screening - 30 mins
2. Virtual interview with Chief Commercial Officer - 30 mins
3. In-person interview with key stakeholders including a case study - 1.5hr
4. Values interview with one of our founders - 30 mins

Our employee benefits

• 25 days annual leave + bank holidays + 4 “me/wellbeing” days
• We have a hybrid working policy and are happy for people to balance their working week between the office and home
• Vitality health insurance
• Enhanced parental leave for primary /secondary carers and adoptive parents

Additional employee perks

• £1,000 Heidi holiday credit + additional holiday discounts
• A fun packed company social calendar including our summer party, end of term conference and budget for team celebrations
• £300 work from home budget

Our Commitment to inclusive hiring

We want to create an inclusive environment that celebrates the diversity of our people whilst enabling them to do the best work of their careers. We are committed to ensuring that all our people processes are equitable. All applicants will be considered for employment without attention to age, sex, ethnicity, religion, sexual orientation, gender identity, family or parental status,national origin, veteran, neurodiversity status or disability status