FIND YOUR NEXT DATA SCIENCE JOB
We help the best talent in the Data Science market find rewarding careers.
Harnham is the best company for data science jobs because we are a global leader in data science recruitment.
Our extensive network of data science employers, and clients, ensuring you find the perfect match for your skills.
We offer a range of data science jobs from entry-level to director-level and have an experienced team of recruiters who will help match you with the right employer.
Also, we provide excellent resources and advice for data science job seekers, helping you prepare for interviews, negotiate salaries, and more.
HOW WE
DO IT
We pride ourselves on keeping our pulse on trends across the Data Science industry.
Our dedicated Data Science consultants have immersed themselves fully in the market and are able to provide industry-leading advice. Whether you’re looking for your next Data Science Job, or to find a Data Scientist for your team, Harnham has a wealth of knowledge and will help you make the process as efficient as possible.
We pride ourselves on keeping our pulse on trends in the industry and offer educational programmes to help keep our candidate’s skills sharp.
WHAT SETS
US APART?
We place considerable emphasis on getting to know you, your motivations and your skills.
We do this to ensure we only introduce you to companies that suit you. By taking the time to listen to and explore our clients’ briefs, we soon know whether candidates fit their culture or not.
As a genuine specialist in Data Science recruitment, we have developed long-standing partnerships within the marketplace. These relationships allow us to provide our candidates with access to the best opportunities in the sector.
If you are looking for that next Data Science job and career step, let us help you find it.
As working from home becomes ever more common, you can now search Remote Data Science Jobs.
JOBS
LATEST DATA
SCIENCE JOBS
Harnham are a specialist Data Science recruitment business, specializing in finding you your next data science job!
Senior Data Scientist
Remote
$180000 - $200000
+ Data Science & AI
PermanentUnited States Virgin Island
To Apply for this Job Click Here
Senior Data Scientist – Growth & Customer Analytics
Remote – US
Compensation up to 200K
We are seeking a Senior Data Scientist to help drive customer growth, retention, and lifecycle optimization through advanced analytics and machine learning.
This role sits at the intersection of Data Science, Product, Marketing, and Customer Success, leveraging data to improve customer acquisition, engagement, retention, and expansion strategies. The successful candidate will play a key role in developing predictive models, customer segmentation frameworks, and experimentation strategies that directly influence business performance.
Responsibilities:
- Develop and deploy predictive models focused on customer churn, retention, expansion, and lifetime value
- Build customer segmentation frameworks to better understand user behavior and support personalized engagement strategies
- Partner closely with Marketing, Product, Revenue, and Customer Success teams to identify growth opportunities and optimize customer journeys
- Analyze customer lifecycle performance and identify opportunities to improve acquisition, activation, engagement, retention, and expansion metrics
- Design and evaluate A/B tests and experiments to measure the effectiveness of marketing campaigns, product initiatives, and customer engagement programs
- Translate complex analytical findings into actionable recommendations for both technical and non-technical stakeholders
- Develop forecasting models and business insights that support strategic decision-making
- Collaborate with Data Engineering and Analytics teams to ensure scalable and reliable data solutions
- Influence business strategy through data-driven insights and measurable outcomes.
Requirements
- Master’s or PhD in Statistics, Mathematics, Data Science, Computer Science, Economics, Operations Research, or a related quantitative discipline
- 4+ years of experience in Data Science and Applied Machine Learning, alongside areas like Customer Analytics, Marketing Analytics, or a related field
- Strong experience building predictive models focused on churn prediction, customer retention, customer lifetime value, propensity modeling, or expansion opportunities
- Expertise in customer segmentation techniques, clustering methodologies, and behavioral analytics
- Strong understanding of experimentation, causal inference, and statistical analysis
- Advanced proficiency in Python and SQL
- Experience working with large-scale customer and transactional datasets
- Ability to communicate insights and recommendations to both technical and business stakeholders
- Experience supporting growth, marketing, customer success, or product organizations is highly desirable
Preferred Experience
- Experience in SaaS, subscription-based businesses, marketplaces, fintech, consumer technology, or digital products
- Familiarity with machine learning frameworks such as Scikit-Learn, XGBoost, PyTorch, or TensorFlow
- Experience with cloud platforms such as AWS, GCP, Azure, or Databricks
- Knowledge of customer journey analytics, attribution modeling, and marketing measurement frameworks
What You’ll Impact
- Customer Retention & Churn Reduction
- Customer Lifetime Value (CLV) Optimization
- Expansion & Upsell Opportunities
- Marketing Performance & Campaign Effectiveness
- Customer Segmentation & Personalization
- Growth Strategy & Revenue Acceleration
To Apply for this Job Click Here
Founding Data Scientist
New York
$200000 - $240000
+ Data Science & AI
PermanentNew York
To Apply for this Job Click Here
Founding Data Scientist
NYC (5 Days Onsite – Midtown)
Up to $240K Basic Salary
We’re partnered with an early-stage company operating at the intersection of data, trading, and live events, looking to hire a Founding Data Scientist to help build and scale their core pricing and bidding systems.
This is an opportunity to join a small, high-caliber team where your work will directly influence pricing decisions, inventory strategy, and revenue generation.
What you’ll be working on:
* Pricing and inventory models in a real-time marketplace
* Bidding and trading algorithms
* Machine learning systems used in production
* Model evaluation and performance optimization
* Scaling core data science capabilities from the ground up
What they’re looking for:
* Strong background in machine learning and data science
* Experience building and deploying models into production
* Advanced Python and SQL skills
* Experience working in fast-paced, high-growth environments
* Someone who enjoys solving complex commercial problems
This is a rare opportunity to join at an early stage and help shape both the technical direction and future growth of the business.
Apply below or reach out directly for a confidential conversation.
To Apply for this Job Click Here
Senior Data Scientist
London
£100000 - £140000
+ Data Science & AI
PermanentLondon
To Apply for this Job Click Here
Senior / Tech Lead Product DS
This is a standout opportunity to join a fast growing, AI first scale up where data science directly shapes product decisions. You will work on text driven, AI native products used by high profile global businesses, with real ownership and visibility.
The Company
They are a B2B SaaS business building AI powered products centred on language and user interaction. Founded by researchers and now valued at over $1bn, they operate in a true scale up environment with strong investment in data and analytics.
The Role
You will sit in a central text analysis team working across the business.
Key responsibilities include:
* Analysing large scale, unstructured text and interaction data to understand user behaviour.
* Evaluating AI features, including prompts and model outputs, and defining what good looks like.
* Applying NLP, semantic analysis, classification and regression techniques to drive product insight.
* Partnering with Product and Engineering to influence the roadmap with clear, evidence led recommendations.
* Owning analysis end to end, from problem definition to measurable impact.
Your Skills & Experience
* Strong Python and SQL skills in a product focused data science or analytics role.
* Hands on experience with NLP, semantic analysis, or large scale text data.
* Experience working on AI or ML driven products in a B2B SaaS or scale up environment.
* A pragmatic, impact focused mindset with confidence owning problems end to end.
To Apply for this Job Click Here
Data Scientist
London
£400 - £520
+ Data Science & AI
ContractLondon
To Apply for this Job Click Here
Data Scientist
London
1 Day a Week In Office
Outside IR35
£400-£520 Per Day
Immediate Start
The Company
They are a data-driven organisation with a strong focus on using analytics to inform commercial and customer-focused decisions. Data and decision sciences play a central role across multiple functions, with close collaboration between analytics, finance and customer engagement teams. The business values robust, well-documented solutions that are actively used by stakeholders. This contract supports ongoing delivery and knowledge transfer within the data function.
The Role and Deliverables
- Take ownership of an existing retention model, ensuring accuracy, reliability and ongoing business adoption.
- Review model performance, data dependencies and assumptions, documenting any changes made during the contract.
- Build and maintain clear reporting to provide visibility of model outputs and business impact.
- Work closely with lifecycle and engagement teams to embed model outputs into decision-making processes.
- Own and stabilise an existing anomaly detection solution, addressing bugs, gaps or reliability issues.
- Deliver clear handover documentation outlining model status, limitations and recommended next steps.
Your Skills & Experience
- Strong experience building, maintaining and productionising data science and machine learning models.
- Confident working with Python in a modern analytics or data science environment.
- Solid SQL skills and experience using transformation frameworks such as dbt.
- Experience working with cloud-based data and ML platforms such as Databricks.
- Comfortable owning existing models, improving reliability and driving stakeholder adoption.
- Familiarity with version control using Git.
- Exposure to customer analytics, retention modelling or anomaly detection is beneficial.
How to Apply
Apply below if you feel this contract would be a strong fit for your skills and experience.
To Apply for this Job Click Here
Data Scientist
£45000 - £50000
+ Data Science & AI
PermanentMerseyside
To Apply for this Job Click Here
Data Scientist
£45,000-£50,000
Merseyside (Hybrid – 3x Days a Week in Office)
Looking for a Data Science role where your models will actually make it into production? This is an opportunity to join a major UK retail business at a pivotal stage in its Data Science and AI transformation. With a new loyalty programme launching and significant investment into customer analytics, the business is building a scalable Data Science capability focused on real commercial impact
THE COMPANY
This established UK retail brand is investing heavily across Data Science, analytics, and AI as part of a wider business transformation. The organisation is moving away from ad-hoc analytics and building a modern Data Science function capable of supporting customer personalisation, forecasting, and smarter commercial decision-making at scale. The culture is collaborative, pragmatic, and delivery-focused, with a strong emphasis on getting models into production and creating measurable business value.
THE ROLE
You’ll join a growing Data Science team, working closely with the Lead Data Scientist alongside analytics, engineering, and commercial stakeholders across the business. This is a hands-on mid-level Data Scientist role focused on developing and deploying customer-focused machine learning models.
Projects include:
- Customer segmentation
- Customer Lifetime Value (CLTV) modelling
- Demand forecasting
- Propensity modelling
- Targeted promotions and campaign optimisation
- Data Science initiatives linked to a major new loyalty programme
The team are still early in their Data Science journey, making this an excellent opportunity for someone who enjoys building scalable solutions and helping shape best practices.
YOUR SKILLS & EXPERIENCE
The business are open to strong Advanced Analytics candidates looking to transition further into Data Science
- Strong Python experience
- Experience building predictive or customer-focused models
- A practical and commercially minded approach to Data Science
Nice to have:
- Cloud exposure (GCP or Azure)
- Experience with Vertex AI or Azure ML
THE BENEFITS
- Up to £50,000
HOW TO APPLY
Please register your interest by sending your CV to Adam Osborne at Harnham via the Apply link on this page.
To Apply for this Job Click Here
Head of Analytics and Data Science
London
£100000 - £140000
+ Data Science & AI
PermanentLondon
To Apply for this Job Click Here
Head of Analytics and Data Science
London, hybrid (2 to 3 days per week)
The Company
They are a well known, consumer focused organisation operating across multiple business units and partner networks. Despite strong brand recognition, the central team operates with a lean, agile, and entrepreneurial mindset similar to a scale up. Data is a key focus area, with significant investment in building a modern, insight driven organisation. Their work spans loyalty programmes, customer engagement, and commercial performance.
The Role
You will lead the combined Analytics and Data Science function, with responsibility for strategy, delivery, and stakeholder engagement across the business.
Key responsibilities include:
* Bringing together separate Analytics and Data Science teams into a unified function
* Leading and developing a team of managers and specialists across analytics and data science
* Setting the roadmap for customer focused data initiatives, including loyalty and pricing optimisation
* Driving adoption of self service analytics and improving data accessibility across the organisation
* Leading the overhaul and optimisation of dashboards and reporting frameworks
* Partnering with senior stakeholders across multiple business units to influence decision making
Your Skills and Experience
* Strong commercial experience leading both Analytics and Data Science functions
* Proven ability to define and execute data strategies in consumer focused organisations
* Experience delivering data transformation programmes, including self service analytics and reporting improvements
* Background in customer analytics, loyalty, or pricing related use cases
* Strong stakeholder management skills, with experience influencing senior leadership
* Solid technical grounding in data science and analytics, with the credibility to guide teams and review outputs
What They Offer
* Bonus and competitive benefits package
* Hybrid working model with a central London office
* Opportunity to shape a key function within a growing data organisation
* High visibility role with influence across multiple business areas
* Clear scope to drive transformation and long term impact
How to Apply
If you are interested in leading a data function at the intersection of analytics, data science, and AI, apply now to find out more.
To Apply for this Job Click Here
Associate Consultant
London
£50000 - £63000
+ Data Science & AI
PermanentLondon
To Apply for this Job Click Here
Associate Consultant, Data and AI
London – Hybrid
The Company
They are an established international consultancy with a strong reputation across multiple industries, including healthcare, life sciences, transport and logistics. They are investing heavily in data, AI and digital capabilities, with a clear focus on building user centric, data driven products. Their approach blends strategy with execution, enabling teams to move from insight to tangible outcomes. This creates a unique environment where data professionals work closely with design and engineering teams to deliver impactful solutions.
The Role
You will contribute to both client delivery and internal innovation, working as part of a collaborative, cross functional data team.
Key responsibilities include:
* Delivering data science and analytics solutions to solve complex business problems
* Building internal tools and contributing to the development of data and AI products
* Conducting statistical analysis and regression modelling to generate insights
* Creating dashboards and visual outputs for business stakeholders
* Supporting AI workflow development, including exposure to large language models
* Working with cloud technologies, particularly Azure, to support deployment
* Collaborating with front end and UI teams to create user focused data products
Your Skills and Experience
* Strong commercial experience in data analytics, data science, or consulting environments
* Proficiency in Python, including libraries such as Pandas, NumPy and scikit learn
* Strong SQL skills and experience working with structured data
* Solid understanding of statistical analysis and regression techniques
* Exposure to cloud platforms, ideally Azure, and an understanding of deployment processes
* Experience working in cross functional teams, ideally alongside engineers or product teams
What They Offer
* Hybrid working with a London office base
* Structured learning and development, including dedicated time for upskilling
* Clear progression opportunities within a growing data and AI capability
* The chance to shape AI initiatives and contribute to product strategy
How to Apply
If you are keen to apply your data and AI skills in a consulting and product focused environment, apply now to learn more.
To Apply for this Job Click Here
Data Scientist
London
£40000 - £60000
+ Data Science & AI
PermanentLondon
To Apply for this Job Click Here
Data Scientist
London – 2x a week
The Company
They are a rapidly scaling European insurer with a strong track record of growth and significant external investment. Their operating model is highly data driven, with advanced analytics underpinning pricing and underwriting decisions. The business fosters a high performance culture and invests heavily in developing talent, particularly individuals with strong academic foundations and high potential. Their UK presence is a key strategic focus, with continued expansion of their analytics function.
The Role
You will sit within the pricing and underwriting data science team, working on core modelling challenges that directly influence commercial performance. Responsibilities include:
- Developing and improving pricing models to optimise competitiveness in the market
- Identifying and integrating new data sources into modelling approaches
- Building predictive models to simulate customer behaviour and risk outcomes
- Enhancing tariff structures and pricing strategies using advanced analytics
- Collaborating with cross functional teams to drive customer acquisition and growth
- Applying logical reasoning and structured thinking to complex business problems
Your Skills and Experience
- Strong academic background in Mathematics, Physics or a related quantitative discipline
- Proven ability to apply data science or statistical modelling techniques in a commercial or academic setting
- Proficiency in Python or strong capability to learn quickly
- Excellent problem solving skills, with an ability to think logically and communicate reasoning clearly
- Motivated, intellectually curious, and comfortable working in a fast paced environment
- For experienced candidates, commercial exposure to modelling in any industry is welcomed
What They Offer
- Hybrid working with a London base
- Clear progression opportunities in a scaling analytics team
- Exposure to impactful, end to end data science projects
- A high performance environment with strong investment in training and development
How to Apply
Please apply with your CV to be considered for this opportunity.
To Apply for this Job Click Here
Data Scientist
£45000 - £48000
+ Data Science & AI
PermanentMerseyside
To Apply for this Job Click Here
Data Scientist
£45,000 – £48,000
Hybrid – Merseyside (3 days per week in the office)
This is a strong opportunity for a commercially minded Data Scientist to join a business at a
genuine inflection point in its Data and AI journey. You will play a key role in moving the organisation from ad-hoc analytics to a scalable, production-led Data Science capability, with clear backing from leadership and real-world use cases already live.
The Company
They are a large retail organisation undergoing a significant data and AI transformation. With a new customer loyalty programme launching this year, demand for advanced modelling, forecasting and personalisation is growing quickly. The culture is collaborative, inclusive and pragmatic, with a strong focus on delivering value at pace rather than over-engineering solutions. Getting models into production and driving measurable impact is a core priority.
The Role
You will work hands-on within a small but growing Data Science function, partnering closely with the Data Science Lead, another Data Scientist, and wider data and commercial teams.
Key responsibilities include:
- Designing and building customer-focused Data Science use cases such as segmentation, lifetime value modelling and demand forecasting
- Developing, testing and deploying machine learning models end to end, from problem definition through to production
- Contributing to the development of a new Data Science platform and helping shape best practice as the function matures
- Working closely with Data Engineers and Analysts to ensure data quality, scalability and smooth model deployment
- Engaging with commercial and customer stakeholders to translate business problems into practical modelling solutions
- Communicating insights, model outputs and business impact clearly to non-technical audiences
Your Skills and Experience
To succeed in this role, you will bring a practical, business-led approach to Data Science.
Key requirements include:
- Strong commercial experience using Python for Data Science and machine learning
- Solid SQL skills and confidence working with large, complex datasets
- End-to-end Data Science experience, including taking models into production
- Experience applying statistical modelling or machine learning to real business problems
- Confidence working with stakeholders and explaining technical concepts in a clear, credible way
Nice to have:
- Exposure to cloud platforms such as GCP or Azure
- Experience with model deployment tools such as Vertex AI or Azure ML
- Any background in customer analytics, forecasting or personalisation
What They Offer
- Salary of £45,000 to £48,000
- Hybrid working, with three days per week on site in Knowsley
- The chance to help build a Data Science capability from an early stage
- High visibility work tied directly to customer and commercial outcomes
- Clear opportunity to grow alongside the team as Data Science scales across the business
How to Apply
If you are a hands-on Data Scientist looking to work on production-focused, customer-led use cases in a collaborative environment, apply now to find out more.
To Apply for this Job Click Here
CAN’T FIND THE DATA SCIENCE JOBS OPPORTUNITY?
GET IN TOUCH
today
If you can’t see the data science job that you’re looking for right now, send us your CV anyway – we’re always getting fresh new roles through the door.
Industry Hub
HARNHAM
News & Blog
With over 10 years experience working solely in the Data & Analytics sector our consultants are able to offer detailed insights into the industry.
Visit our Blogs & News portal or check out our recent posts below.
Hiring for Agentic AI in the Netherlands: What We’re Seeing
Recently, we’ve been running a few searches in the Netherlands for people with experience in agentic AI….
AI Driven Data – Built in the North and Midlands | AI in CRO and Experimentation
Across organisations, AI is rapidly changing how data-driven teams operate, from how insights are generated to how…
How Tri-State Insurers Are Using AI to Combat Rising Fraud in 2026
By Conor Larkin, Associate Vice President – Harnham Insurance fraud costs the U.S. industry over $40…
AI in Private Equity: How Talent Strategy Drives Portfolio Value Creation
by Nick Mandella, Director at Harnham. Most PE firms are investing in AI, but returns remain mixed….
How to Choose the Right AI Recruitment Agency in the US
Kyle Arriola, Harnham’s AVP of Data & AI Talent Acquisition, recently spoke with Simon Clarke, CEO of…
Why Dutch-Speaking Data & AI Talent Is So Hard to Hire
by Ross Henderson, Director at Harnham. Why it’s so hard to hire Dutch-speaking Data & AI talent…
Tech in Europe on the decline? The reality of the engineering talent market in the Netherlands tells a different story
by Ross Henderson, Director at Harnham. If you read the news, you’d be forgiven for thinking…
Analytics in Private Equity: Driving Portfolio Value
by Kiran Ramasamy, Business Manager at Harnham. Analytics Leadership in PE Portfolios: Timing the Right Hire A…
Data & Analytics Hiring Trends: Market Insight
by Jamie Smith, Senior Manager at Harnham, UK. Data & Analytics Hiring Trends How working models, technology…
How Analytics Teams Drive Value Creation in Growth-Stage Portfolio Companies
by Tom Brammer, Senior Manager – AI and Machine Learning US Team Analytics teams support value creation…
Testimonials
Client and
candidate
testimonials
A trusted partner of professionals
across the globe.
We understand the challenges our
customers face and offer the
recruitment solutions needed to drive
business success through Data &
AI.
Candidate – Senior Data Engineer
I've been a Senior Data Engineer for about 4-5 years and Harnham is one of the best recruitment agencies I worked with. There was a time when my offer fell through and the recruiter I was working with at Harnham jumped in to the rescue and scheduled interviews for me within a couple of days. Really good agency and some great people.
Candidate /
Senior Data Engineer
Client – Director of People Operations
We’ve been collaborating with Harnham to recruit some key positions for our company, and they have been incredible partners. They team has been great and efficient. They understood our needs perfectly and provided us very talented candidates. We'll keep collaborating with them in the future. Thank you for your excellent job!
Client /
Director of People Operations
Candidate – Market Research Analyst
Thanks to Harnham, I am now in a role that suits me. My recruiter was able to quickly identify the skills I had to offer and match me up with his client. It was a win-win for everyone. I was given great advice throughout the process, and I also appreciated the follow-ups that I received.
Candidate /
Market Research Analyst
Candidate – Digital Media and Analytics
I've recently got a short-term contract role through Harnham, and things couldn't have gone better! My recruiter was incredibly helpful throughout the entire process. They also provided incredible admin support so that I could focus on the actual job in hand, rather than having to spend too much time dealing with these matters.
Candidate /
Digital Media and Analytics
Candidate – Data Analyst
I’ve had a great experience with Harnham. The recruiter provided great advice and ensured that I understood everything, and even followed up with me after I started my new role to see how I was settling in. I would recommend Harnham as a great recruitment company for anyone looking for a role in data and analytics.
Candidate /
Data Analyst
Candidate – Chief Data Officer
It was a real treat to work with Harnham. My recruiter consistently went above and beyond to ensure that I navigated through the recruitment process as smooth as possible. I had been in contact with other professional at Harnham in the past and I can attest that the level of professionalism is always top-notch.
Candidate /
Chief Data Officer
Client – Data Direction – Broadcast Media
I have worked with Harnham for over 2 years now as our main Analytics Recruiter partner and I am very pleased with the overall service and the people we have hired via Harnham. Harnham’s team is very good at understanding our recruitment needs and always come back with relevant and well scanned CVs, which saves me precious time.
Client /
Data Direction – Broadcast Media
Client – Director of Customer Data Science – Apparel
The team at Harnham have been outstanding in helping our company build a market-leading data science team. Harnham’s communication is great, and the recruiter’s take a consultative approach that’s really focused on provided value for both their clients and their candidates. They provide strong candidates that help us fill our roles with high achievers who are also a great fit for our culture.
