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Senior Marketing Data Scientist
Up to £75,000
Hybrid – London

A great opportunity to join a leading customer data science company as a Senior Marketing Data Scientist

THE BUSINESS

The business is a global leader in customer data science, empowering businesses to compete and thrive in the modern-data driven economy always putting the customer first. Enabling businesses to grow and diversify by utilising and understanding data and ensuring the customer is put first.

Joining the business as a Senior Marketing Data Scientist, you’d be helping to scope out business problems, creating data science solutions for these problems and then delivering insights and recommendations of the back of it.

THE ROLE AND RESPONSIBILITIES

• Understanding business problems, creating data science solutions and delivering insights and recommendations
• Working directly with clients and helping the team to give recommendations and answer questions
• Working on projects across clustering, propensity modelling, regression and more
• Building data visualisations and dashboards for clients

YOUR SKILLS AND EXPERIENCE

• Strong technical experience in SQL and Python
• Experience in data visualisation
• Proven track record working across propensity modelling, clustering, forecasting, regression and more
• Strong commercial and stakeholder management expertise
• Line Management/Mentoring experience

THE BENEFITS

• Up to £75,000
• Hybrid
• London

HOW TO APPLY

If interested in the role please send your CV to Jordan Victor via the Apply Link below

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Data Analyst

Location: Manchester (Hybrid, 2 days per week in the office)
Salary: Up to £60,000

The Company
A leading commercial digital media brand is looking for a Data Analyst to join their international team. The business is known for creating innovative digital and audio content across 9 European markets, and this role will be key in helping shape how they understand and serve their audiences.

The Role
As a Data Analyst, you’ll work across digital, content, and commercial functions to deliver data-driven insights that support decision-making across advertising, audience behaviour, and product development. You’ll turn large, complex datasets into clear visualisations and strategic recommendations.

Key Responsibilities:

Insights & Analytics
– Analyse content and advertising performance across digital, social, streaming, and programmatic platforms.
– Support growth in revenue, acquisition, and customer retention through insights and analysis.
– Explore and quantify relationships between audience behaviour, content engagement, and campaign performance.

Data Visualisation & Storytelling
– Build and maintain dashboards using Power BI, Looker, or Tableau.
– Communicate analytical findings clearly to technical and non-technical stakeholders.
– Automate reporting pipelines and support a self-serve analytics culture.

Problem-Solving & Strategic Support
– Translate business needs into data questions and actionable outputs.
– Contribute to A/B testing analysis, campaign targeting, and commercial strategy.
– Work with stakeholders across product, content, marketing, and commercial teams.

Skills & Experience

Essential:
– 4+ years of experience in a data or analytics role.
– Strong SQL skills with experience handling large-scale datasets.
– Proficiency in Power BI, Looker, or Tableau.
– Strong understanding of KPIs, exploratory analysis, and business storytelling.
– Confident communicator and stakeholder manager.

Desirable:
– Experience in digital, audio, or media sectors.
– Familiarity with A/B testing or statistical methods.
– Exposure to Python or R for analytics or statistical testing.
– Understanding of CRM or marketing tools (Braze, HubSpot) or attribution modelling.

Benefits:
– Up to £60,000 salary
– Hybrid working from Manchester (2 days onsite)
– Collaborative culture and access to senior stakeholders
– Opportunity to influence audience strategy across 9 markets

How to Apply
Interested? Send your CV to Mohammed Buhariwala at Harnham via the Apply link on this page.

Keywords
Data Analyst, SQL, Power BI, Looker, Tableau, A/B Testing, Digital Media, Audience Insights, Commercial Strategy, Analytics, London, Hybrid Work.

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Position: Staff Full-Stack Developer
Location: Remote (UK-based)
Salary: Up to £115,000 + Benefits

We’re partnering with a high-growth SaaS company, founded by proven entrepreneurs, to find an experienced Staff Full-Stack Developer. Their platform is reimagining how top-tier professional services firms, spanning finance, legal, and consulting-interact with data-rich, collaborative workflows.

Role Summary:

This is a senior, hands-on engineering role offering deep technical ownership without people management. You’ll work closely with the CTO and CEO to build scalable features, shape architecture, and deliver cutting-edge solutions that drive real business impact. The right candidate will be an expert full-stack developer who thrives in fast-paced, product-driven environments.

Key Responsibilities:

• Design, develop, and maintain full-stack features using C#, ASP.NET Core, TypeScript, and Vue.js (or React/Angular)

• Take architectural ownership of key systems and applications

• Deliver high-performance, secure, and maintainable code

• Collaborate directly with leadership on mission-critical product initiatives

• Contribute to strategic technical decisions and long-term platform evolution

• Provide technical mentorship and champion engineering best practices

• Stay adaptable to shifting priorities in a dynamic product environment

What We’re Looking For:

Essential:

• Extensive experience in full-stack development, including backend (C#, ASP.NET Core) and modern frontend frameworks

• Strong command of SQL and API architecture

• Proven ability to design, build, and ship complex systems

• Comfortable working autonomously in a fast-moving SaaS environment

• Ability to take technical ownership of features from concept to deployment

Desirable:

• Experience with Azure and Docker

• Knowledge of data visualisation tools or interactive diagramming platforms

• Background in building enterprise SaaS products

• Exposure to real-time interfaces or AI-enhanced UIs

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Data Analyst – Market Research
Location: Holborn, London | Hybrid (2-3 days/week in office, compulsory Wednesday & Thursday)
Salary: £40,000 – £45,000 + Benefits

About the Company:
I am recruiting for a boutique market research agency with around 70 employees. The company works with clients across diverse sectors including FMCG, finance, automotive, leisure, and healthcare. They specialize in Brand & Comms research as well as customer experience insights. The team is dynamic, collaborative, and passionate about delivering actionable data-driven insights.

The Role:
This is an exciting opportunity for a Data Analyst to contribute to a variety of market research projects. You will assist with both the design and analysis of research projects, focusing on analytic techniques like segmentation and driver analysis. You will work under the guidance of senior data science team members, gaining valuable experience with both foundational and advanced analytic methods.

Key Responsibilities:

• Assist in designing and analyzing market research projects with an analytic component (e.g., driver analysis, segmentation, conjoint).
• Clean and analyze survey data, producing insights through simple tables and more complex exploratory analyses.
• Collaborate with colleagues to ensure appropriate statistical techniques are deployed.
• Learn standard marketing and analytic techniques, progressing to more advanced methods over time.
• Contribute to delivering insights that address key client questions, moving beyond just analytical models.

Requirements:

• Strong proficiency in R (data wrangling, function writing, string processing).
• Experience with statistical software such as SPSS is an advantage. Python knowledge is also beneficial.
• Advanced skills in MS Excel and comfort with MS PowerPoint.
• Excellent attention to detail and a methodical approach to coding.
• A curiosity for data and the ability to understand and address client needs.
• Focus on delivering actionable insights from data, rather than just models or techniques.
• Experience with segmentation, MaxDiff, or Conjoint is desirable.

Benefits:

• 25 days holiday + 3 additional days (including after Christmas) + birthday off.
• Bupa healthcare.
• Pension scheme.
• Free access to an onsite gym and fitness classes.

How to Apply:
If you’re excited by the idea of working in a fast-paced, collaborative environment and are eager to develop your analytical skills in market research, please get in touch and apply via the link below!

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Senior Experimentation Analyst | Up to £75,000 + benefitd | Hybrid – London (3 days/week)

Join one of the UK’s most recognisable food delivery platforms and play a key role in shaping how millions experience value. We’re hiring a Senior Experimentation Analyst to drive pricing and promotions strategy through robust A/B testing, statistical analysis, and hands-on collaboration with commercial teams.

What you’ll do:

• Design and run complex experiments (A/B, regression, hypothesis testing)

• Optimise pricing models and promotional tactics across customer segments

• Dive into initiatives like our new “Value for Money” project, impacting revenue at scale

• Analyse pricing for new restaurant partners and customer-facing fees

• Work cross-functionally with pricing, analytics, and commercial teams to inform strategy

What we’re looking for:

• Strong SQL & Python (must be comfortable writing and interpreting code)

• Solid experience with experimentation and data-driven decision-making

• Background in commercial or product analytics (marketplace or B2C ideal)

• Confident stakeholder manager who can influence, challenge, and lead discussions

• Data storyteller who thrives on solving high-impact business problems

Package & Perks:

• £75,000 – £78,000 base salary

• Discretionary bonus

• Up to 12% pension (8% employee contribution)

• Hybrid working – 3 days/week in London

Hiring process:

1. Technical screen (2x SQL + 1x Python via Kaggle)

2. Take-home case study + in-person interview (90 mins incl. presentation & Q&A)

If you’re ready to use experimentation to drive meaningful business outcomes, we want to hear from you.

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Job Title: Senior Research Executive (Quantitative)

Salary: Up to £40,000 + benefits
Location: Holborn, London
Office Days: 2-3 days per week (typically Wednesday & Thursday)

About the Role:
A rapidly growing research agency is looking for a proactive and motivated Senior Research Executive to join the team. You’ll work alongside senior leadership to support the entire project lifecycle, collaborating with global brands across various industries.

Key Responsibilities:

• Oversee project logistics, including research design, fieldwork management, and reporting.
• Write and program questionnaires in online platforms (with guidance).
• Analyze data and contribute to the development of actionable insights.
• Bring creative ideas and fresh perspectives to solving research challenges.
• Create compelling, human-first narratives to help clients make informed decisions.
• Collaborate with team members across quantitative and qualitative teams.

What We’re Looking For:

• 1+ years’ experience in a quantitative research role, ideally within an agency environment.
• Degree in social sciences, marketing, statistics, or English (preferred).
• Experience with questionnaire writing, data analysis, and report writing.
• Familiarity with fieldwork management, including data cleaning and liaising with recruitment partners.
• Proficiency with survey programming (e.g., Decipher, Qualtrics, or similar).
• Experience with software like Q, SPSS, Excel, or similar tools.

The Benefits:

• Up to £40,000
• Hybrid
• London

How to Apply:

If interested in the role please send your CV to Jordan Victor via the Apply Link below

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Senior Data Analyst / Data Manager – High-Growth Consumer Subscription Business
Orpington (Hybrid – 3 days in office) | £75,000 DOE | High-Impact Role

A fast-scaling, consumer-facing subscription business is seeking a Senior Data Analyst / Data Manager to take full ownership of its data operations during a period of rapid expansion. Operating at the intersection of entertainment, competitions, and e-commerce, the company offers free-to-enter prize draws and exclusive subscriber rewards – including VIP experiences and monthly benefits.

After significant growth in 2024 (headcount increased 5x), the business is preparing for international expansion and requires a dedicated, commercially-minded data lead to build scalable systems, deliver insights, and support decision-making across all teams.

The Role:

• Build and manage the company’s data warehouse and ETL processes

• Develop and maintain dashboards in Looker Studio; conduct analysis in SQL

• Provide actionable insights to marketing, product, and leadership teams

• Prioritise incoming data requests and deliver timely solutions

• Own data governance, quality audits, and the development of long-term strategy

• Report directly to the founder and be a key part of the leadership team

What They’re Looking For:

• 3+ years in data analytics roles (ideally within e-commerce, gaming, or digital subscriptions)

• Strong SQL skills and experience with Looker Studio or similar BI tools

• Product Analytics and Experimentation experience

• Proven experience building and maintaining ETL pipelines and data infrastructure

• Commercially driven with a track record of using data to drive business value

• Adaptable, hands-on, and comfortable working in a fast-paced environment

Key Details:

• Salary: Circa £75,000 (range £60,000-£85,000 depending on experience)

• Location: Orpington (3 days per week in the office required)

• Sector experience in e-commerce, betting, or digital consumer products is highly valued

• Preference for candidates with stable employment history and strong stakeholder communication skills

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Job Title: Research Manager
Location: London Bridge (3x week, Tues-Thurs)
Salary: Up to £50,000

Company Overview:
This consultancy firm specialises in the commercial insurance sector and is based in London. They focus on using data, analytics, and creative insights to improve client performance.

The Role:
The Research Manager will support the Research Director across various projects. This role covers all stages of the research lifecycle, from design and fieldwork to quantitative and qualitative analysis and report writing. While most projects are quantitative, there is some qualitative work through in-depth interviews with business stakeholders in the commercial insurance industry. The Research Manager will also collaborate with external data collection agencies and other sources to deliver insights for clients.

Key Responsibilities:

• Design questionnaires using Qualtrics (experience preferred but not essential)
• Project manage research processes, ensuring timelines are met from start to finish
• Check and verify data, ensuring attention to detail across all aspects of research
• Proofread and carry out background research to ensure that briefs align with client needs
• Write thought leadership pieces when required
• Manage up and down, coordinating with various stakeholders

The Ideal Candidate:

• Minimum of 2 years of experience in a research agency (B2B experience is a plus, but general consumer research is also welcome)
• A strong background in quantitative research, including questionnaire design and report writing
• Proficient in Excel and data analysis
• Experience with Qualtrics is ideal but not necessary
• Statistical experience is a bonus
• Self-motivated with the ability to work independently

The Benefits:

• Up to £50,000 + benefits
• Hybrid
• London (x3 days a week)

How to Apply:

If interested in this role please send your CV

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Analytics Manager – Retention (12-Month FTC, Maternity Cover)
Location: London (Hybrid – 2 days/week in-office near Liverpool Street)
Salary: Up to £65,000

Drive Customer Loyalty & Retention for a Leading UK Fashion Retailer

An established UK fashion retailer is looking for an experienced Analytics Manager – Retention to join their high-performing team on a 12-month fixed-term contract. This is a fantastic opportunity to lead customer analytics initiatives in a fast-paced, digitally evolving environment with significant investment behind data and tech.

The Role:
In this role, you’ll lead retention-focused analytics, helping the business understand customer behaviours and drive loyalty across its omnichannel experience. You’ll manage a small team and work cross-functionally to guide strategy through data-led insights.

Key Responsibilities:
Own and develop retention and customer analytics across the business
Track key metrics like sales volume, opt-ins, retention rate, customer lifetime value, and uplift from campaigns
Lead test-and-control methodologies and analyse marketing campaign ROI
Deliver insights to optimise customer journeys and enhance retention strategies
Manage and mentor two direct reports
Collaborate across teams including marketing, digital, and data enablement

Tech & Skills Needed:
Advanced SQL skills (essential)
Strong data visualisation experience (e.g. Tableau or Power BI)
Python skills are a plus, but not essential
Proven people management experience
Background in retail, ecommerce or a customer-focused environment preferred

Why Apply?
Work within a tech-forward organisation investing heavily in data and digital
Greenfield opportunity to shape retention analytics from the ground up
Join a supportive, cross-functional analytics team during a pivotal growth phase
Be part of a team using one of the most innovative data platforms in UK retail

Ready to shape the future of customer retention at a major UK brand?
Let’s have a chat – this could be a brilliant move for your next chapter.

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Product Manager (Analytics)

Up to £60,000 + bonuses

Hybrid – London

A great opportunity to join a fast-growing start-up as a Product Manager specialising in the analytics space.

THE COMPANY

The business is an innovative and fast-growing start-up dedicated to simplifying the life of car owners by bringing a top-quality streamlined experience to the car maintenance industry. Since the business launched in 2017, they have expanded to over 100 towns and cities in the UK and have recently joined forces with a leading retail car group and have now opened operations in France.

Joining the business as a Product Manager, you will be focused on helping the business to grow and scale. Bringing together engineering, design, marketing and operations to constantly improve the service delivered by the business. This will include everything from business casing, A/B testing customer acquisition funnels, adding new features and more.

THE ROLE AND RESPONSIBILITIES

• Defining, communication and executing long-term business strategy of your product line
• Gathering insights about users and translating them into actionable opportunities
• Identifying right success metrics and tracking them over period of time
• Defining, executing and analysing AB tests
• Defining and delivering roadmaps/ business cases and presenting them to stakeholders
• Building world-class product solutions

YOUR SKILLS AND EXPERIENCE

• Proven track record in solving complex business problems and turning solutions into usable products
• Experience turning complex solutions into easy-to-understand product roadmaps
• Experience with A/B testing
• Expertise working in B2C enviroment
• Strong stakeholder management skills

THE BENEFITS

• Up to £60,000 + bonuses
• Hybrid
• London (2/3 days a week)

HOW TO APPLY

If interested in this role please send your CV to Jordan Victor via the Apply Link below

To Apply for this Job Click Here

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Commercial Data Analyst
Up to £80,000
Hybrid – 4 days/week in South West London (5 days during first 3 months)

A digitally-led retail brand within a well-established retail group is hiring a Commercial Data Analyst to help drive smarter, faster decisions across the business. With a balanced mix of e-commerce and brick-and-mortar, the business is profitable and growing-with ambitious digital growth targets for the year ahead.

As the sole embedded data expert in the brand team, you’ll work across Digital, Marketing, Buying, Finance, and Exec stakeholders-responding to ad hoc requests, delivering insightful reporting, and most importantly, using data to proactively influence strategy.

Example projects:

• Spot sales trends (e.g. weather-driven demand spikes) and recommend agile trading or campaign decisions

• Support new store expansion strategy by analysing customer location, order frequency, and market viability

• Evaluate marketing ROI using tools like Fospha and GA; lead incrementality testing across paid channels

• Integrate new data sources (e.g. research, attribution, or behavioural data) to enrich customer understanding

About you:

• 3+ years in a data analytics or insight role

• Strong SQL, experience with BigQuery preferred

• Exposure to Python for analysis/modelling

• Skilled in data visualisation (Looker, Tableau, Power BI, etc.)

• Experience in digital, marketing or customer analytics

• E-commerce or retail background a plus

• Naturally curious and proactive-you spot trends and ask questions before others do

Tech Stack: BigQuery (SQL), Python, Looker, Fospha, GA, ContentSquare

Interview Process:

1. Intro chat with Chief Digital Officer

2. In-person data task with senior stakeholders

3. Optional meeting with other senior leaders (Marketing, Finance, COO)

This is a fantastic opportunity for a commercially-minded analyst to step into a role where your insights will directly shape digital growth and brand strategy.

Interested or know someone perfect? Apply now or DM for more details.

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