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!
Staff Data Scientist
Chicago
$100 - $110
+ Data Science & AI
ContractChicago, Illinois
To Apply for this Job Click Here
Staff Data Scientist (Contract – Remote)
A fast-growing social and content platform is looking to bring on 1-2 experienced Staff Data Scientists to help rebuild and strengthen its data science capability. This role will work closely with product leadership to drive key company metrics and help shape the growth of the platform’s social ecosystem.
The Role
You will partner closely with Product Managers and engineering teams to analyse user behaviour across the platform’s social graph and develop data-driven strategies to support creator and host growth. A key focus will be identifying opportunities to help users expand their hosting networks and drive engagement and revenue.
The team operates in a fully remote, low-meeting environment, so strong asynchronous communication and the ability to operate independently are essential.
Key Responsibilities
-
Own and drive key company metrics related to platform engagement and growth
-
Partner closely with Product Managers to identify and prioritise data-driven opportunities
-
Analyse and model social graph dynamics to understand user interaction patterns
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Design and run A/B tests to optimise product experiences
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Develop next-best-experience recommendations to improve user outcomes
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Contribute to and maintain an existing Python-based data science codebase
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Support internal data engineering workflows where required
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Deliver meaningful insights and deep-dive analyses within the first month of onboarding
Requirements
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Proven Staff-level Data Scientist experience
-
Very strong SQL skills
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Strong Python expertise in production environments
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Experience with large-scale experimentation / A/B testing
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Ability to work with large datasets and social interaction data
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Clear, proactive communicator who thrives in asynchronous environments
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Experience working closely with product teams on growth initiatives
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Comfortable operating with high expectations and fast onboarding
Nice to Have
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Experience working with social platforms, community products, or consumer marketplaces
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Familiarity with social graph analysis
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Experience with Django
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Experience supporting or collaborating with data engineering teams
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Background working in fast-moving or “scrappy” product environments
Working Environment
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Fully remote team
-
Flexible on timezone, but availability relative to PST working hours should be communicated upfront

To Apply for this Job Click Here
Lead Data Scientist
London
£90000 - £100000
+ Data Science & AI
PermanentLondon
To Apply for this Job Click Here
Principal Data Scientist
London
If you’re a hands-on Data Science / AI specialist who loves solving real operational problems, this role puts you right at the heart of client delivery. You’ll shape the problems, design and build the solutions, and see your models deployed into live environments – not parked as endless POCs.
THE COMPANY
This fast-growing consulting firm helps organisations across the public sector, defence and commercial markets deliver measurable improvements in performance through data, AI and digital solutions. They are building a modern AI & Digital capability that sits at the front of transformation programmes, working shoulder-to-shoulder with clients on their toughest operational challenges.
THE ROLE
As a Lead Data Scientist, you will blend hands-on technical work with consulting, stakeholder management and practice-building.
- Identifying high-impact Data Science, Machine Learning, AI and simulation opportunities on client engagements
- Scoping and shaping problems, designing experiments and roadmaps, and then building and deploying models end-to-end
- Leading technical workstreams, managing small teams and ensuring projects are delivered on time and to a high standard
- Translating complex technical concepts into clear, compelling narratives for non-technical senior stakeholders
- Coaching and mentoring consultants to build their capabilities in DS/ML/AI and modern analytics
YOUR SKILLS & EXPERIENCE
- Strong background in Data Science, Machine Learning, AI, simulation or advanced analytics, with clear examples of end-to-end delivery
- Proven ability to shape, not just execute: from defining the problem and designing the solution, through to delivery and measurement of impact
- Consulting capability – comfortable running client workshops, identifying opportunities, influencing senior stakeholders and supporting pitches
- Evidence of measurable commercial or operational impact (e.g. revenue growth, cost reduction, efficiency gains, service improvement)
- Hands-on experience building models and turning prototypes into robust, production-ready solutions
- Experience leading teams or technical workstreams in a project environment
- UK citizenship (for security clearance purposes) and willingness to travel across the UK 2-3 days per week, depending on client needs
Nice-to-have experience:
- Background in a consulting environment or a high-performing in-house DS/AI team
- Exposure to sectors such as defence, public sector and consumer/retail
- Familiarity with modern data and AI tooling such as Python, Spark, Databricks, Azure cloud, and Generative AI platforms (experience with specific tools is helpful but not essential)
- A mix of technical, product and operational experience – comfortable talking both code and business outcome

To Apply for this Job Click Here
Lead Data Scientist
City of London
£80000 - £125000
+ Data Science & AI
PermanentCity of London, London
To Apply for this Job Click Here
Lead / Principal Data Scientist
TRAVEL ACROSS THE UK REQUIRED
This is a great opportunity to join a growing consultancy and lead digital, AI, and analytics solutions that deliver real operational impact across the UK.
The Company
They are a specialist consulting organisation that helps complex public and private sector clients improve performance through data, AI, and digital tools. Their culture is collaborative, outcome focused, and built around delivering practical solutions that stick. With digital capability expanding rapidly, you will help shape how they deliver technology driven change.
The Role
* Identify opportunities to apply AI, analytics, and digital tooling.
* Lead technical workstreams from design through to implementation.
* Work closely with client teams on site across the UK.
* Translate technical concepts for non‑technical audiences.
* Support the development of colleagues and digital practices.
Your Skills and Experience
* Strong commercial experience delivering digital or AI solutions end to end.
* Expertise in at least one of AI, data science, analytics, or digital engineering.
* Confident leading multi‑disciplinary teams.
* Clear communication and stakeholder engagement skills.
* Flexible to travel to client sites across the UK.

To Apply for this Job Click Here
Junior Data Scientist
London
£45000 - £55000
+ Data Science & AI
PermanentLondon
To Apply for this Job Click Here
Junior Data Scientist
London
Competitive salary between £45,000 – £55,000 plus benefits
This is an excellent opportunity for an aspiring Data Scientist to step into a role offering early ownership, broad project exposure and genuine career progression. If you are looking for a position where you can grow quickly, develop strong consulting skills and work across a wide range of industries, this role stands out.
The Company
They are a well-established, global consultancy with a growing Data and Analytics function at the heart of their European business. The team combines technical capability with strategic insight, supporting clients across multiple sectors. You will join a collaborative group where learning is prioritised and downtime between projects is used for development, training and internal innovation.
The Role
As a Data Scientist, you will work across both client-facing and internal initiatives, typically focusing on one main project at a time.
Responsibilities include:
- Supporting client engagements, from exploratory data analysis to dashboards and statistical insights.
- Building and contributing to modelling and analytics workstreams with guidance from experienced team members.
- Working on internal projects, including proposals, tooling and machine learning initiatives.
- Collaborating with technical and non-technical colleagues to deliver clear, actionable insights.
- Gaining exposure to a wide range of industries, from life sciences and healthcare to transport, logistics and financial services.
Your Skills and Experience
You will bring:
- Strong Python skills and a solid grounding in data science principles.
- Effective communication skills and the ability to explain your work clearly.
- A proactive mindset and an interest in consulting-style problem solving.
- Experience with SQL or cloud platforms is a bonus, and quick to learn.
- A Bachelors or Masters in a quantitative field, with PhD backgrounds also welcome.
What They Offer
- Competitive salary between £45,000 – £55,000 plus a 5,000 first‑year sign‑on bonus.
- Company profit‑share bonus scheme, typically around 7 percent.
- Comprehensive benefits including private health insurance, life insurance, disability cover, travel insurance and a pension scheme.
- Wellbeing and work-from-home allowances.
- Eye care and cycle vouchers.
- A supportive culture with strong development pathways and clear upward mobility.
- Hybrid working from a central London office.
How to Apply
If you are ready to grow your data science career in a consultancy environment, apply below or email me at for more information.

To Apply for this Job Click Here
Clinical Data Scientist
San Francisco
$160000 - $190000
+ Data Science & AI
PermanentSan Francisco, California
To Apply for this Job Click Here
Clinical Data Scientist
San Francisco, California
Remote
$160,000 – $190,000 + Equity
About the Company
This innovative health tech startup is working to improve the oncology drug development process by providing better patient data to drug developers as well as better access to clinical trials for patients. This series B startup is expending to meet demand.
About the Role
As a Clinical Data Scientist, you’ll execute the last leg of the clinical data pipeline by transforming, cleaning, validating, and delivering high‑quality clinical datasets for pharma partners. Heavy collaboration with Clinical Ops, AI Engineering, and Data Delivery.
Role Responsibilities
- Transform raw, abstracted, and AI‑processed data into CDISC SDTM/ADaM datasets
- Program statistical outputs (tables, listings, figures) in SAS/R/Python
- Investigate data anomalies across multiple messy data inputs
- Define data dictionaries and standards before study kickoff
- Handle data in a HIPAA‑aligned manner
Key Requirements
- 2-5 years in clinical data science, stat programming, or clinical data management
- Pharma/Biotech experience
- SAS, R, Python, SQL
- Real‑world clinical data or oncology trials
- CDISC SDTM/ADaM

To Apply for this Job Click Here
Director of Data Science
Atlanta
$250000 - $350000
+ Data Science & AI
PermanentAtlanta, Georgia
To Apply for this Job Click Here
Director of Data Science
Location: Atlanta, GA (Onsite)
Salary: $250-350k depending on experience
We’re partnering with a leading private equity-backed consumer platform to hire a Director of Data Science to lead and scale an enterprise-level data science function.
This role sits at the intersection of investment strategy, portfolio performance, and advanced analytics, with direct influence on how data science, machine learning, and Generative AI are used to drive value across a large multi-brand ecosystem.
The Role
You’ll own the vision, execution, and growth of the Data Science function, leading a high-performing team and partnering closely with senior leaders across strategy, engineering, product, and investment teams.
The work spans commercial due diligence, forecasting, pricing, experimentation, marketing analytics, and GenAI tooling, with a strong emphasis on building scalable, production-grade solutions that drive measurable business impact.
This is a player-coach role – hands-on where needed, strategic where it counts.
What You’ll Be Doing
- Lead and grow the Data Science team, setting technical standards and best practices
- Define the long-term roadmap, tooling, and architecture for applied data science
- Partner with investment and portfolio teams on predictive modeling and value creation
- Drive the adoption and impact of Generative AI and agentic workflows
- Own the full model lifecycle, from problem framing through production deployment
- Translate complex analytics into clear, executive-level insights
What We’re Looking For
- 10+ years of applied data science / ML experience
- Strong Python and SQL skills, with proven production deployment experience
- Experience leading and scaling technical teams
- Deep expertise in forecasting, experimentation, pricing, and causal analysis
- Strong business judgment and executive communication skills
Nice to have: consumer / retail / QSR exposure, multi-brand environments, PE or consulting background, advanced degree, and a strong point of view on how GenAI tools are reshaping data science workflows.

To Apply for this Job Click Here
Data Science Manager
Canada
$170000 - $220000
+ Data Science & AI
PermanentCanada
To Apply for this Job Click Here
Data Science Manager
Location: Canada | EST Hours Required
Salary: $175-220k base + bonus
We’re partnering with a high-growth product company to hire a Data Science Manager to both ship production ML systems and build a high-performing team.
This is a true player-coach role: you’ll stay hands-on with modeling and system design while setting technical direction, hiring, and mentoring data scientists. The expectation is clear: deliver models that move retention, conversion, and revenue.
You’ll join a small, autonomous data science team with impact across Product, R&D, Finance, and GTM. The team builds customer-facing data products such as recommendation systems, churn models, and experimentation frameworks that influence how millions of users discover value.
It’s startup-level ownership with the scale and data of a large, active user base.
What You’ll Do
- Design and ship recommendation engines, churn models, and experimentation infrastructure, staying hands-on in code as the team scales
- Define success metrics, monitor production models, and iterate until business results improve
- Hire, coach, and develop data scientists; set a high bar for ownership, craft, and impact
- Partner closely with Product, R&D, Finance, and GTM to identify high-leverage problems and deliver adopted solutions
- Make pragmatic decisions around tooling, architecture, and methodology, balancing speed with long-term maintainability
What We’re Looking For
- 6+ years building and deploying consumer-facing ML systems in production
- 2+ years leading or managing data scientists or ML engineers
- Experience building teams, not just operating as an IC
- Strong Python skills
- Experience with Databricks or similar ML platforms
- Comfort across the full ML lifecycle: experimentation, feature engineering, training, deployment, monitoring
- Proven ability to translate ambiguous business problems into measurable ML outcomes
- Strong bias toward shipping, iteration, and impact
- Sound judgment on when to ship an MVP vs. invest in robustness
- Actively uses AI tools to accelerate development and expects the same from their team
Nice to Have
- Experience with experimentation platforms or causal inference
- Background in subscription or SaaS businesses
- Familiarity with TypeScript or production engineering practices

To Apply for this Job Click Here
Lead Data Scientist
Leicester
£60000 - £75000
+ Data Science & AI
PermanentLeicester, Leicestershire
To Apply for this Job Click Here
Lead Data Scientist – Leicester x2 days a week
We are working with a leading ecommerce company who are looking to add a Lead Data Scientist to their team. This role will involve the line management of 2 junior data scientists and will be interacting with stakeholders often.
The role will sit within a Marketing Science department and you will work on customer and marketing data including customer churn, segmentation, campaign analysis and marketing effectiveness across ads.
Required:
- Strong leadership and communication skills
- Ability to work in a fast paced environment
- Strong Python & SQL skills
- 4+ years in a Data Science position

To Apply for this Job Click Here
Product Data Analyst
City of London
£70000 - £85000
+ Data Science & AI
PermanentCity of London, London
To Apply for this Job Click Here
Lead Product Analyst – Leicester or London
We are working with a global membership-based company that partner with 1000s of brands to offer discount to eligible workers.
They are seeking a Lead Product Analyst to use insights to drive narratives of user behaviour and highlight key metrics to guide recommendations within the business.
Responsibilities:
- Develop self-service dashboards and data tools to enable rapid insights into product features
- Collaborate with stakeholders to establish metrics to ensure data reliability
- Translate business problems into analytical tasks
- Present findings back to key stakeholders, ensuring a consistent story is told throughout the data
Required:
- 5+ years experience in a Product focused analyst role
- SQL, dbt, Python or R experience
- Lightdash, Looker or Tableau experience

To Apply for this Job Click Here
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