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Salary
$99k – $112k per year
Location
In office (London)
Seniority
Senior
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 15, 2026.

Overview
Company
Impact
Profile match
Croud is a London digital marketing company founded in 2011 that combines an in-house team with a global network of freelance specialists. Its Croudie platform allocates campaign work to vetted practitioners in the right market and language, which gives clients local execution without local offices. The company handles search, social, data and creative for international brands.
Backed by ECI Partners

Join Croud, a leading digital marketing agency, as a Senior Data Scientist. In this role, you will enhance our data science methodologies, improve machine learning performance, and work directly with clients to ensure high business impact from our solutions. You will engage with data scientists and analysts at client organizations, explore and model large data sets, and communicate your findings to non-technical users. This is a great opportunity to work alongside world-class experts in a growing data science practice.

Missions

  • Améliorer les performances des modèles d'apprentissage supervisé et travailler directement avec les clients pour garantir un impact commercial élevé.
  • Appliquer et améliorer les approches développées, ainsi que développer de nouvelles approches si nécessaire, en collaboration avec l'équipe.
  • Gérer des projets de science des données et d'apprentissage automatique afin que les objectifs techniques soient atteints dans un délai raisonnable convenu.

Profil recherché

- You are someone who is both confident with data science and data analysis and also with communicating complex ideas and topics.

- You would prefer to work in a quickly growing company where you are directly engaged with client companies and can learn and develop fast. You are prepared to work hard on stimulating problems

- You have natural mathematical and analytical skills, good judgment, attention to detail and a passion for finding solutions.

- You have knowledge and training in statistical methods and in supervised machine learning. You have a proven aptitude in working with data, and a desire to further develop your career in data science.

- You have already experimented with and successfully applied AI and you are excited about the opportunities it presents to innovate rapidly in this space

- You bring experience working in a professional role or project in applied machine learning. You can explain data science topics in written and verbal form, including to a group if necessary.

- You bring a positive attitude to your work, have the curiosity to explore new ideas, and respond well to feedback

- Strong client services skills, able to both explain complex concepts to clients and manager expectations on delivery and impact when necessary

- Knowledge and experience of Python, associated ML libraries and SQL

- Experience of using LLMs to help systematically write and review safe and stable code

- Proven experience in applied machine learning through a prior full time role

- Strong statistical knowledge

- Master's degree or PhD, or relevant experience in a field emphasizing quantitative disciplines, with coursework in machine learning (or alternatively, a quantitative advanced degree complemented by extensive training in data science/ML)

- High level of proficiency in English writing and speaking

- Ability to communicate the results of data analysis and modeling

- Strong time management and organizational abilities, capable of prioritizing tasks effectively and working autonomously

- Experience with putting machine learning models into production in a cloud environment

- Knowledge and experience of marketing effectiveness measurement and marketing optimisation techniques

- Experience working senior stakeholders in an analytics context

- Experience in web analytics, marketing analytics and digital marketing

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