Senior Data Scientist

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Job Title: Senior Data Scientist
Location: Fully flexible – remote, hybrid or office-based
Annual Salary: £60,000 – £80,000
Contract: Permanent
Twinkl is on an exciting journey to redefine how we serve our global teaching community through data. We’re building a world‑class data science function to power the next generation of our data platform, with modern tools and practices at our core.

Data Science Team

You’ll have the opportunity to work in a high‑functioning data product function, learning from experienced data scientists and engineers and using a modern data stack. We offer the freedom to work in whatever way suits you best – whether that’s remote, in our Sheffield office, or a mix of both. You’re encouraged to design algorithmic solutions, take ownership of software design, and develop your skills across the full data science stack. With our focus on impact, you’ll be part of a team that values pragmatic solutions and continuous learning, working on projects that make a real difference to educators worldwide.

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• We embrace modern data engineering practices and tools
  
• We champion learning and development
  
• We believe in empowering engineers to drive technical decisions
  
• We focus on impact and outcomes over process
  

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• Work closely with engineering and product managers to develop and deliver our Search and Recommendations roadmap
  
• Oversee the design and implementation of the technical work of your team, ensuring high‑quality coding, modelling, data transformation and analytics
  
• Lead on delivering the coding, modelling, data transformation and analytics required, with opportunity to develop new approaches such as applying emerging techniques
  
• Coach and help develop the more junior members of the team
  
• Own an area of team operations (e.g., Learning & Development) and contribute to prioritisation of the Data Science roadmap
  

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• Built statistical models of real‑world processes that help inform business decisions
  
• Applied machine learning to a variety of problems that generated business value
  
• Worked on Search and/or Recommendations systems
  
• Overseen end‑to‑end delivery of data science products
  
• Experienced Python developer
  
• Experienced user of SQL
  
• Comfortable using version control (Git)
  
• AWS experience
  

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• Enthusiastic, with a growth mindset and a get‑things‑done attitude
  
• Comfortable working in a cross‑functional team and collaborating with colleagues in design, engineering and product
  
• Innovator, ready to take responsibility and be accountable for decisions
  
• Committed to helping others develop and succeed
  
• Excellent communication, in both speech and writing
  

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• Be curious about how things work and always look to learn more
  
• Care about building models that are used by real people to deliver the right content for them
  
• Understand that sometimes "boring" technology and algorithms are the right choice
  
• Want to work somewhere where you can have real impact, not just maintain the status quo
  

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• Friendly, welcoming and supportive culture
  
• Flexible working with fully remote and hybrid options
  
• 33 days annual leave per year, pro rata; entitlement increases to 38 days after 2 years
  
• Additional day of annual leave – a Me Day – to take time for yourself
  
• Charity day to volunteer and support a registered charity of your choice
  
• Westfield Health (including Health Club discount, Westfield Rewards discount and cashback)
  
• Learning and Development opportunities, including internal mobility across departments
  
• 4× annual salary death‑in‑service life assurance
  
• Enhanced pension after long service
  
• Enhanced parental and adoption leave after long service
  
• Quarterly awards to reward and recognise our employees
  
• Twinkl Subscription
  

At Twinkl, we encourage diversity, and our doors are open to everyone. We’re committed to creating an inclusive workplace for all. If you need any adjustments during the application process to showcase your abilities, please let us know – we’re here to support you on your journey.