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PRINCIPAL ECONOMETRICIAN
£60,000 – £70,000 + BONUS
HYBRID – WEST LONDON – 3X A WEEK

Please note, this company is unable to offer sponsorship at this time and you must be a UK resident

THE COMPANY

This leading entertainment and connectivity brand runs one of the largest client-side Econometrics teams in the UK, with over 30 specialists across Europe. With significant annual marketing investment, the team plays a pivotal role in understanding the impact of advertising across multiple business areas and driving both short-term ROI and long-term brand growth.

THE ROLE

This Principal Econometrician position is a new hire within the team, created to support the growing partnership work in the broadband and mobile space. You’ll manage and mentor a small team (2 Econometricians + 2 Seniors), while owning projects end-to-end, from scoping through to delivering insights back to the business.

Key responsibilities include:

• Leading MMM projects with a focus on broadband and mobile campaigns.
• Working cross-functionally with stakeholders to evaluate media effectiveness and commercial performance.
• Driving insights to measure how significant marketing investment influences brand emotion, ROI, and growth.
• Providing mentoring, guidance, and oversight of junior team members.

SKILLS + EXPERIENCE

• Experience in Marketing Mix Modelling / Econometrics.
• Hands-on technical capability (experience in R/Python/SQL or equivalent).
• Proven ability to deliver end-to-end econometrics projects.
• Experience mentoring or managing junior team members.
• Strong stakeholder engagement and presentation skills.

HOW TO APPLY

If this sounds like the role for you, swiftly send over your CV to Izzi at Harnham by using the link below.

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Senior Data Analyst – Dating App

Location: London (Hybrid)
Salary: £55,000 – £60,000

We are looking for a Senior Data Analyst to join our fast-growing dating product team. In this role, you’ll drive insights that directly shape product strategy, user experience, and feature development.

Key Responsibilities

• Own analysis of key dating funnel metrics (sign-ups, matches, retention, conversions).

• Build dashboards to track engagement and performance across markets.

• Design and analyse A/B tests to validate new product features.

• Provide clear insights that influence product, marketing, and leadership decisions.

Ideal Candidate

• 8+ years’ experience in data analytics, ideally in consumer apps or online platforms.

• Proficiency in SQL, Python, and BI tools (Tableau, Looker, Power BI).

• Experience working with subscription, engagement, or conversion funnel data.

• Strong communicator, able to present complex findings in simple, actionable ways.

Find out more and apply via the link below.

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Senior Data Analyst – London – £60,000 + Benefits
Hybrid (2-3 days/week in London office)

We’re working exclusively with a global leader in data and analytics, hiring a commercially minded Senior Data Analyst to help optimise how millions of survey responses are matched, priced, and delivered to some of the world’s biggest brands.

This is a high-impact, insight-driven role working across commercial, product, and data science teams to boost performance and revenue. You’ll reverse-engineer models, spot patterns in client and user behaviour, and bring creativity and curiosity to complex, real-world data problems.

What you’ll be working on:

• Pricing and revenue optimisation across large-scale survey operations

• Modelling client and user behaviour to improve performance

• Clustering, regression, and exploratory analysis to uncover insights

• Collaborating cross-functionally to influence decision-making

• Working with Python, SQL, and moving into Azure

What they’re looking for:

• 3-5+ years in analytics (media, ecommerce, or high-volume environments a bonus)

• Confident communicator with strong stakeholder skills

• Curious, commercial thinker who thrives in fast-paced settings

• Strong skills in SQL and Python

London (2-3 days/week hybrid)
£60,000 base + full benefits (no bonus)
❌ No sponsorship available

Want to get involved? Drop your CV now – this is a fast-moving process.

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Senior Revenue Management Analyst
£50,000-£55,000 + excellent rail benefits + final salary pension
Hybrid (2-3 days office-based, South East)

Are you commercially minded with a knack for data and a passion for turning insight into action? This is a great opportunity to join the commercial function of a major UK transport provider in a high-impact analytical role.

As a Senior Revenue Management Analyst, you’ll take ownership of a specific route and be responsible for monitoring, reporting on, and optimising revenue performance. This is a hands-on role combining regular analysis with strategic input and live decision-making.

What you’ll be doing:

• Lead revenue management for a key route, making data-led decisions to optimise performance

• Produce weekly route reports and industry-standard four-weekly reports for senior stakeholders

• Monitor current sales and take real-time action where performance dips

• Collaborate across teams to drive commercial strategy and support wider revenue initiatives

• Use your insight to propose new ideas and influence future decisions

What we’re looking for:

• Strong Excel skills and confidence working with large datasets

• Willingness to learn and use a bespoke revenue management system (training provided)

• Commercially aware, proactive, and comfortable making informed decisions

• A team player who’s happy to support others when needed

• Enthusiastic, detail-oriented, and curious – someone who wants to make an impact

Desirable (but not essential):

• Experience in revenue management, pricing, transport, or regulated industries

• A genuine interest in the rail sector and a desire to understand how it works

• Exposure to forecasting, modelling, or working closely with finance teams

Why join?

• Final salary pension scheme

• Free rail travel on the network for you, your partner, and dependents

• 75% discount on rail travel across the UK

• A growing, data-focused commercial team making a real difference

• Hybrid working with a collaborative and supportive team culture

Interview process:

• Stage 1: 30-minute Teams interview (introductory and values-based)

• Stage 2: In-person Excel/data task followed by a competency-based interview

If you’re ready to apply your analytical skills in a dynamic and meaningful environment, we’d love to hear from you.

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Senior Marketing Effectiveness Manager (Maternity Cover) | £75,000-£85,000 + Bonus | Watford Junction | 12-month FTC

Are you a marketing analytics leader with a passion for driving marketing effectiveness through data-driven insights? A leading UK business is seeking a Senior Marketing Effectiveness Manager to join their team on a 12-month maternity cover.

You’ll lead a specialist team of econometricians and work closely with senior marketing, finance, and product stakeholders to optimise multi-million-pound marketing investments. This is a hands-on leadership role blending advanced econometrics with strategic commercial insight to influence key business decisions.

Whether you’re a deep-dive econometrics specialist or a broad marketing analytics generalist, your expertise in translating complex models into actionable marketing strategies will be critical.

Key requirements:

• Proven experience managing marketing analytics or econometrics teams

• Strong commercial focus with excellent stakeholder management skills

• Hands-on expertise in SQL, Python, R and econometric modelling

• Ability to drive marketing investment optimisation through data-driven recommendations

• Experience working cross-functionally across finance, marketing, and analytics teams

Why apply?

• Lead one of the largest marketing budgets in the UK

• Influence strategic marketing investment decisions at senior levels

• Opportunity to innovate and shape marketing measurement tools and processes

• Flexible hybrid working (3 days onsite)

• Competitive salary + bonus

If you’re ready to step into a senior leadership role and deliver measurable marketing impact, apply today.

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Lead Analytics Consultant – Data & AI Strategy

UK-based | £80,000-£100,000 + benefits | Hybrid with client travel (~20%)

We’re seeking a senior-level analytics consultant to lead strategic data and AI engagements for a growing UK consulting practice. You’ll work with senior stakeholders to define data strategies, shape roadmaps, and ensure solutions deliver measurable business impact.

What you’ll do:

• Lead end-to-end data and AI strategy projects, from scoping to adoption.

• Run stakeholder workshops and translate business needs into actionable solutions.

• Oversee delivery teams and mentor consultants.

• Drive value through strategic insight, technical expertise, and client relationships.

About you:

• Proven experience in data strategy, analytics, and AI/ML projects.

• Strong consulting skills, comfortable with both technical and business audiences.

• Broad technical knowledge across data platforms, governance, and analytics.

• UK-based, ideally within 2 hours of London, and open to occasional travel.

Why join:

• £80,000-£100,000 salary + benefits.

• Progression to Practice Lead as the team grows.

• High-impact projects with industry variety.

Find out more and apply via the link below.

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Senior Strategy Analysis Manager
Location: Central London (3 days per week in office)
Base Salary: £70,000
Company: Leading Rail Service Provider

We are seeking a Senior Strategy Analysis Manager to join a dynamic commercial strategy team within a major UK-based rail operator. This is an exciting opportunity to provide key insights into revenue analysis, business planning, and commercial reporting, working closely with the senior leadership team and stakeholders such as the Department for Transport.

Key Responsibilities:

• Lead and manage a team of 3 Analysts, overseeing analysis related to passenger demand, trends, customer behavior, pricing, and revenue protection activities.

• Provide valuable insights into forecasts, commercial models, partnerships, and revenue effectiveness to support the commercial decision-making process.

• Take the lead on the development and delivery of annual business plans, revenue insights, and monthly commercial reporting.

• Collaborate with the Revenue Management team and provide strategic data to inform decision-making.

• Lead the development of the data and analysis strategy for the Commercial department.

Ideal Candidate:

• Experience within the rail industry is preferred, but not essential.

• Solid understanding of revenue analysis and management principles.

• Strong leadership experience, with a proven track record in managing and developing a team.

• Technical proficiency in tools such as Tableau, PowerBI, and SQL.

Interview Process:

• Stage 1: 45-minute initial screen with senior leadership.

• Stage 2: A practical task summarizing a piece of price sensitivity research and presenting findings to the board in a 6-slide presentation.

If you’re looking for a strategic role with a focus on data-driven decision-making in the rail industry, apply now!

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Digital Product Lead

Hybrid – 4 days in Central London
Up to £80,000 + Bonus
Urgent Hire | High-Impact Role | Performance-Driven Team

THE COMPANY

This is a global organisation scaling fast, backed by significant investment and operating in a marketing-led, data-first model.

They’re restructuring digital from the ground up-bringing in top-tier talent, overhauling platforms, and investing in AI, CRM, CRO, and SEO to build out a world-class digital experience across their web infrastructure.

If you’re used to high performance, fast decisions, and real commercial ownership-this is your arena.

THE ROLE

As Digital Product Lead, you’ll own the strategy, performance, and roadmap of a newly centralised web platform (Drupal CMS), serving as the digital heartbeat of a multi-brand global business.

This isn’t just about keeping the lights on-this is your product. You’ll connect content, CRM, CRO, SEO, and AI innovation into one high-performing, scalable digital ecosystem.

Think:
End-to-end product leadership
AI experimentation with real budget
CRM + CRO integration
UX and conversion at the core
Global scale, local delivery

This is not a delivery or project role-it’s a strategic digital product position in a business that genuinely values performance, conversion, and measurable outcomes.

WHAT YOU’LL BE DOING

• Drive the product roadmap for a global digital platform (Drupal)

• Lead performance-focused UX, SEO, and CRO initiatives

• Connect CRM campaigns, enrolment journeys, and retention efforts into one seamless experience

• Experiment with and scale AI-powered tools across web and marketing ops

• Own uptime, security, scalability, and GDPR compliance

• Manage agency relationships and ensure ROI-driven output

• Work closely with data, performance, and content teams to continually optimise

YOUR EXPERIENCE

• Proven experience in digital product leadership (web/product/CRM/CRO/SEO)

• Can lead cross-functional teams without needing to be hands-on

• Commercial mindset-focused on performance, not just delivery

• You think like a product owner and act like a performance marketer

• Passionate about AI innovation (no need to be a technical expert)

• Bonus if you’ve worked in fast-growth, multi-brand, or PE-backed environments

WHAT’S IN IT FOR YOU?

✅ A product role with real strategic ownership
✅ Exposure to AI adoption and platform innovation
✅ Leadership visibility in a performance-led, marketing-first business
✅ Opportunity to make global impact from day one

Find out more and apply via the link below.

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Principal Econometrician
Location: West London (Hybrid – 3 days a week in the office)
Salary: Up to £70,000

Ready to make an impact in a dynamic, fast-paced environment? Join a leading media and entertainment brand and take on an exciting opportunity to drive the efficiency of marketing plans through advanced econometric insights.

Role Overview:
As a Principal Econometrician, you’ll play a pivotal role in delivering econometric projects that help optimize business decision-making. You’ll work with key stakeholders to ensure your insights translate into real-world decisions on budget allocations, media planning, and marketing efficiency. If you’re passionate about advanced statistical techniques, media planning, and optimizing commercial strategies, this role is for you.

Key Responsibilities:

• Lead the delivery of econometric projects, ensuring alignment with key business goals and objectives
• Drive the Cross-Portfolio Optimisation process, using econometric insights to inform budget allocations and marketing decisions
• Collaborate with key stakeholders to integrate econometric findings into real-world business decisions
• Partner with consumer strategy teams to enhance the department’s reputation and influence within the company
• Lead the development of new techniques, tools, and processes to improve team efficiency, staying ahead of industry trends

Ideal Candidate:

• Proven experience delivering econometrics projects with an established provider in the industry
• Experience with sizing, allocating, and optimizing media investment decisions in a commercial context
• Passion for using statistical techniques to convert data into actionable recommendations
• Strong understanding of media planning and buying, and knowledge of how optimization techniques inform media strategies
• Advanced Excel skills to manipulate data and optimize based on model parameters
• Self-motivated with the ability to thrive in a fast-paced, dynamic environment
• Experience in developing and upskilling econometrics teams to ensure the use of the latest tools and techniques
• Excellent communication skills with experience delivering results and recommendations that impact commercial decision-making
• Strong organizational and time management skills to manage multiple tasks and priorities effectively
• Knowledge of Python is desirable

The Benefits:

• Up to £70,000 + benefits
• Hybrid
• West London (x3 days a week)

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 Scientist – R&D – Leeds

We’re seeking a curious and analytically driven Data Scientist to join our team and help tackle real-world challenges in areas such as demand forecasting, pricing strategy, and promotional optimisation. This role is ideal for someone with a strong background in research methods and statistics, and a passion for applying data science to complex, practical problems.

Responsibilities:

• Conduct exploratory analyses to uncover trends and patterns in data
• Design and run experiments to test hypotheses related to pricing, customer demand, and promotional effectiveness
• Evaluate and implement emerging data science techniques to improve existing approaches
• Collaborate with cross-functional teams to define research questions and align on business goals
• Develop predictive models and analytical tools
• Communicate insights through clear, reproducible research and translate technical findings for diverse audiences

What We’re Looking For:

• Solid foundation in statistics, experimental design, and research methodology
• Experience working with real-world datasets to drive actionable insights
• Proficiency in at least one analytical programming language (e.g., Python, R, or Julia)
• Ability to communicate complex ideas clearly to both technical and non-technical stakeholders
• A self-starter mindset with a collaborative and inquisitive approach
• MSc or PhD in a relevant field

To Apply for this Job Click Here