Senior Data Scientist

Harnham
Guildford
1 month ago
Create job alert
Senior Data Scientist

This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.


Base pay range

Direct message the job poster from Harnham


Building Data Science and Machine Learning Teams in the UK | The Talent Driving The Data and AI Revolution

Senior Data Scientist


Hybrid - 1/2 days a week in Guildford


Up to £80,000


About the Role


Our client is a specialist technology and analytics consultancy delivering advanced data science solutions into complex, mission-critical environments. Working across sectors such as aviation, defence and high-reliability systems, they help organisations turn challenging, data-rich problems into scalable, impactful solutions.


They are now looking for a Senior Data Scientist to take a leading role across a portfolio of technically demanding projects. You’ll operate end-to-end - shaping problem definitions, engineering data pipelines, developing advanced models, and ensuring outputs are robust, explainable and deployable in real-world settings.


This is a hands-on role for someone who enjoys technical depth, variety, and ownership, and who is comfortable applying the right techniques to each problem - from statistical analysis through to machine learning and deep learning models.


You’ll join a small, high-calibre team that values autonomy, flexibility and technical excellence. The environment combines the rigour of mission-critical work with a modern, product-led mindset — giving you the opportunity to build scalable solutions, launch new capabilities, and see your work make a tangible impact.


Key Responsibilities



  • Translating complex, ambiguous problem statements into clear, actionable data science solutions.
  • Owning the full data science lifecycle, from data ingestion and feature engineering through to modelling, evaluation and deployment.
  • Developing statistical, machine learning and deep learning models to support high-impact, real-world decision making.
  • Working with large, structured and unstructured datasets, combining and enriching multiple data sources.
  • Collaborating closely with other data scientists, engineers and stakeholders to deliver production-ready solutions.

Your work will focus on delivering high-value outcomes, including:



  • Advanced statistical and probabilistic modelling.
  • Machine learning and deep learning model development.
  • Building scalable, maintainable analytical pipelines.
  • Delivering insight and models that perform reliably in complex operational environments.

What We’re Looking For



  • Strong experience in Python and SQL, including libraries such as Pandas, NumPy and scikit-learn.
  • Experience working with deep learning frameworks such as PyTorch or TensorFlow.
  • A solid grounding in statistics and probability, with strong mathematical foundations (calculus and linear algebra highly advantageous).
  • Experience working across the full data science project lifecycle.
  • A pragmatic, engineering-minded approach to data science, with a focus on real-world impact.
  • Strong communication skills and the ability to work collaboratively in technical, cross-functional teams.

If this role looks of interest, please apply below.


Please note - this role cannot offer sponsorship.


Seniority level: Mid-Senior level


Employment type: Full-time


Job function: Science, Analyst, Engineering


Industries: IT Services and IT Consulting


#J-18808-Ljbffr

Related Jobs

View all jobs

Senior Data Scientist

Senior Data Scientist

Senior Data Scientist

Senior Data Scientist

Senior Data Scientist

Senior Data Scientist (GenAI)

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

How Many Data Science Tools Do You Need to Know to Get a Data Science Job?

If you’re trying to break into data science — or progress your career — it can feel like you are drowning in names: Python, R, TensorFlow, PyTorch, SQL, Spark, AWS, Scikit-learn, Jupyter, Tableau, Power BI…the list just keeps going. With every job advert listing a different combination of tools, many applicants fall into a trap: they try to learn everything. The result? Long tool lists that sound impressive — but little depth to back them up. Here’s the straight-talk version most hiring managers won’t explicitly tell you: 👉 You don’t need to know every data science tool to get hired. 👉 You need to know the right ones — deeply — and know how to use them to solve real problems. Tools matter, but only in service of outcomes. So how many data science tools do you actually need to know to get a job? For most job seekers, the answer is not “27” — it’s more like 8–12, thoughtfully chosen and well understood. This guide explains what employers really value, which tools are core, which are role-specific, and how to focus your toolbox so your CV and interviews shine.

What Hiring Managers Look for First in Data Science Job Applications (UK Guide)

If you’re applying for data science roles in the UK, it’s crucial to understand what hiring managers focus on before they dive into your full CV. In competitive markets, recruiters and hiring managers often make their first decisions in the first 10–20 seconds of scanning an application — and in data science, there are specific signals they look for first. Data science isn’t just about coding or statistics — it’s about producing insights, shipping models, collaborating with teams, and solving real business problems. This guide helps you understand exactly what hiring managers look for first in data science applications — and how to structure your CV, portfolio and cover letter so you leap to the top of the shortlist.

The Skills Gap in Data Science Jobs: What Universities Aren’t Teaching

Data science has become one of the most visible and sought-after careers in the UK technology market. From financial services and retail to healthcare, media, government and sport, organisations increasingly rely on data scientists to extract insight, guide decisions and build predictive models. Universities have responded quickly. Degrees in data science, analytics and artificial intelligence have expanded rapidly, and many computer science courses now include data-focused pathways. And yet, despite the volume of graduates entering the market, employers across the UK consistently report the same problem: Many data science candidates are not job-ready. Vacancies remain open. Hiring processes drag on. Candidates with impressive academic backgrounds fail interviews or struggle once hired. The issue is not intelligence or effort. It is a persistent skills gap between university education and real-world data science roles. This article explores that gap in depth: what universities teach well, what they often miss, why the gap exists, what employers actually want, and how jobseekers can bridge the divide to build successful careers in data science.