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Lead Marketing Effectiveness Manager

£80,000 – £90,000

United Kingdom – Fully Remote

If you’re passionate about proving what marketing spend really delivers and influencing strategic budget decisions through data, this is a unique opportunity to take ownership of a business-critical marketing measurement function. You’ll combine advanced analytics, experimentation, causal inference, and AI-driven ways of working to help shape commercial growth at scale.

The Company
This growing digital business operates in a highly data-driven environment where analytics is central to decision making. Their product has an engaged customer base, strong market traction, and ambitious growth plans.
The data team works closely with commercial stakeholders, giving analytics professionals a genuine seat at the table. You’ll join a collaborative and remote-first culture that values experimentation, curiosity, and rigorous thinking.

The Role
As a Lead Marketing Effectiveness Manager, you will be responsible for measuring marketing impact and helping stakeholders understand where investment drives the greatest return.
Responsibilities include:

• Own and develop the company’s Marketing Mix Modelling (MMM) capability using modern frameworks and methodologies
• Deliver clear recommendations on budget allocation, channel investment, and marketing efficiency
• Design and evaluate incrementality testing programmes across paid media and CRM channels
• Apply causal inference techniques including lift testing, geo-based experimentation, and holdout analysis
• Build and maintain customer lifetime value (LTV) models to support acquisition and retention decision making
• Partner closely with marketing teams to improve attribution, measurement, and performance reporting
• Translate complex analytical findings into actionable commercial recommendations
• Use AI-enabled approaches to accelerate experimentation, analysis, and insight generation while maintaining high analytical standards
• Act as a trusted expert on marketing effectiveness across the wider business

Your Skills & Experience

• Strong commercial experience in marketing measurement, marketing analytics, or growth analytics
• Hands-on experience with Marketing Mix Modelling, experimentation, incrementality testing, or causal inference methods
• Excellent understanding of statistical analysis, hypothesis testing, regression techniques, and experimental design
• Advanced SQL skills and strong Python capabilities for analytics and modelling
• Experience working with modern data platforms such as Snowflake, dbt, or equivalent cloud-based technologies
• Understanding of digital marketing platforms and attribution challenges across channels
• Experience building predictive, lifetime value, or customer-focused analytical models
• Ability to influence stakeholders and communicate technical concepts to non-technical audiences
• Comfortable working in a fast-paced, highly collaborative environment

What They Offer

• £70,000 – £90,000 salary dependent on experience
• Annual performance-related bonus
• Fully remote UK-based working
• Flexible working arrangements
• Private healthcare
• Enhanced pension contribution
• Generous annual leave allowance
• Remote working and home office support
• Structured opportunities to influence business strategy and shape marketing effectiveness capabilities
• A collaborative environment with strong opportunities for professional growth

How to Apply
Apply now to learn more about this Lead Marketing Effectiveness Manager opportunity and how you can make a direct impact on marketing strategy through advanced analytics, experimentation, and data science.

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CRM Executive | Fashion Retail | London | Up to £35k

We’re working with a well-known British fashion retailer that is growing its CRM team and looking to hire a CRM Executive in London.

This is a great opportunity for someone with 1 to 2 years’ experience in CRM or email marketing and a genuine passion for retail.

The role will involve:

• Briefing, building, sending and reporting on email campaigns
• Supporting the development of the email plan using campaign and channel insight
• Working with key stakeholders to keep email messaging in line with the trading and marketing calendar
• Planning and running tests to improve engagement and revenue
• Identifying segmentation opportunities and building targeted audiences to increase retention and customer value
• Making sure email best practice is followed across all devices and templates
• Evaluating campaign performance and recommending improvements to newsletters and the wider email strategy
• Supporting weekly and monthly reporting, including weekly competitor analysis

We’re particularly interested in candidates with experience from retail, ideally fashion or beauty, though wider retail backgrounds will be considered.

You’ll need hands-on experience building emails and automations in an email platform (Ometria would be a bonus), as well as strong communication skills, commercial awareness and a problem-solving mindset.

We’re looking for someone who is passionate about CRM and keen to bring new ideas to the team. This role is moving quickly, so candidates on one month’s notice or less are preferred.

Salary: Up to £35k
Location: London (hybrid, 3 days a week in the office)

Find out more and apply via the link below.

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Digital Analytics Lead | Travel & Tourism | Remote | Up to £52k

We’re working with a well-known travel business. They’re looking to hire a Digital Analytics Lead on a fully remote basis.

This is a great opportunity for someone with 3+ years’ hands-on digital analytics experience, though strong candidates with 2 years will be considered. It’s a highly visible role, working across digital product, marketing, content, data science, BI and SEO teams.

The role will involve:

• Designing measurement frameworks so the organisation measures what really matters
• Turning broad business goals into clear, measurable targets
• Auditing existing data layers and identifying tracking gaps
• Writing clear technical specifications for external web agencies to implement
• Hands-on implementation, QA and governance in GA4 and Google Tag Manager
• Analysing onsite customer journeys and turning data into insight that shapes priorities
• Managing analytics agency relationships and supporting procurement
• Line managing and developing a Digital Analytics Implementation Specialist
• Contributing to emerging areas such as Generative Engine Optimisation (GEO)

We’re open on background, whether you come from agency or in-house, public or private sector.

You’ll need strong hands-on experience with Google Tag Manager and data layers, as this is essential. GA4 and BigQuery experience is also important. Custom JavaScript or HTML skills would be a big bonus.

You’ll also need strong stakeholder management and the confidence to work independently, as this person will be the go-to lead for digital measurement across the organisation.

Salary: Up to £52k + up to 11% pension
Location: Fully remote (office visits roughly once a quarter in London or Birmingham, with travel expensed)

The interview process is short, with just two stages, and they’re looking to interview as soon as possible.

If you have hands-on GTM and data layer experience and are open to a new opportunity, please apply below.

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CRM Analyst | Consumer Brand | Hertfordshire | £35k + Bonus

We’re working with a household-name UK consumer brand that is investing heavily in CRM and digital. They’re looking to hire a CRM Analyst to join their growing CRM team in Hertfordshire.

This is a great opportunity for someone early in their career with solid SQL foundations and strong communication skills, who wants clear progression into Senior Analyst, CRM Management or BI roles.

The role will involve:

• Building campaign audiences and customer segments using SQL
• Monitoring and managing the CRM campaign schedule
• Working within Salesforce Marketing Cloud and Automation Studio
• Updating and amending audience selection queries
• Validating and cross-checking audiences before campaigns go live
• Supporting recurring and promotional campaigns, including campaigns with multiple versions and customer segments
• Managing requests for new audience segments from stakeholders
• Delivering basic campaign analysis and reporting

The CRM function is around 35 people and has grown significantly in recent years, with further hiring planned. Longer term, this person will become the go-to owner of CRM scheduling, coordinating campaign activity across the Strategy, Operations and Data teams.

We’re particularly interested in candidates with a STEM or data-focused degree and some exposure to SQL, whether through university, a placement, an internship or an early-career role.

You’ll need basic to intermediate SQL skills (joins, aggregations and GROUP BY), strong attention to detail and the ability to manage multiple priorities. CRM, marketing or Salesforce Marketing Cloud experience would be a bonus.
Strong communication and stakeholder management are essential, as this role involves working closely with teams across the business. The team is looking for someone who combines technical ability with real confidence in dealing with people.

Salary: £35k + Bonus
Location: Hertfordshire (hybrid, 3 days a week in the office)
Unfortunately, visa sponsorship is not available for this role.

If you have SQL skills from a data-focused background and are open to a new opportunity, please feel free to apply below for more information.

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Lead Credit Risk Analyst
Cardiff
£60,000 – £70,000

This is an opportunity to join a growing lending business at a pivotal stage of its journey. You’ll play a key role in shaping credit strategy, improving automated decisioning, and influencing business-critical lending decisions, all within a collaborative environment where your ideas and recommendations will have real impact.

The Company
They are an established UK consumer lending organisation with a strong data-driven culture and a focus on delivering fair customer outcomes. The business combines the stability of a successful financial services group with the agility of a growing lending function. With continued investment in technology, analytics, and decisioning capabilities, they offer an environment where innovation and continuous improvement are actively encouraged.

The Role

• Analysing approval, referral, arrears, and default trends to identify risks and performance opportunities
• Developing data-driven recommendations to improve credit strategies and business performance
• Enhancing automated decisioning processes and increasing operational efficiency
• Reviewing and optimising lending policies, scorecard cut-offs, and underwriting controls
• Monitoring the effectiveness of strategy changes and balancing growth, risk, and customer outcomes
• Producing management information, analysis, and insights for key stakeholders
• Working closely with Product, Underwriting, Commercial, and Decisioning teams to deliver strategic initiatives
• Supporting the implementation of strategy changes within decisioning systems

Your Skills & Experience

• Strong commercial experience in credit risk strategy within consumer lending
• Experience optimising acceptance strategies, lending limits, underwriting policies, or scorecard performance
• Strong analytical skills with SQL
• Python experience is advantageous
• Experience turning complex data into clear, actionable recommendations
• Excellent communication and stakeholder management skills
• Ability to influence decisions across both technical and non-technical audiences
• A commercial mindset with a strong understanding of risk management principles

What They Offer

• £60,000 – £70,000 base salary, with flexibility for exceptional candidates
• Annual bonus
• Dedicated training and development support
• Collaborative culture with direct access to senior stakeholders and decision-makers
• Team socials and networking opportunities
• Strong opportunities for career progression as the business continues to grow
• Comprehensive benefits package

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Director of Data

London | Hybrid – Up to £180,000 + Bonus + Benefits

An exciting opportunity has arisen for an experienced technology and data leader to join a fast-growing, data-driven business undergoing significant transformation.

This role will take ownership of multiple functions across Data, Analytics, Engineering, IT and Business Systems, bringing together established teams under a single vision while accelerating the use of data and AI across the organisation.

The Role

You will be responsible for:

• Leading and developing multidisciplinary technology and data teams
• Driving a unified data and technology strategy across the business
• Creating a 360-degree view of customers through improved data utilisation
• Identifying opportunities to leverage AI for business value and operational efficiency
• Aligning technical and commercial stakeholders around key priorities
• Enhancing customer insight, decision-making and revenue growth
• Delivering quick wins while shaping long-term capability

About You

We’re looking for a hands-on leader who can balance strategy with execution.

You’ll likely bring:

• Experience leading multiple technology, data or analytics functions
• A strong understanding of data platforms, architecture and business systems
• Proven success driving change in fast-paced, evolving environments
• Exceptional stakeholder management and influencing skills
• Confidence making decisions and creating organisational alignment
• A collaborative leadership style with the ability to build high-performing teams

Exposure to AI initiatives, customer analytics, product-led organisations or high-growth businesses would be advantageous.

Why Join?

• Significant scope to shape the future direction of the business
• Ownership of multiple strategic functions
• High levels of autonomy and decision-making authority
• Executive-level visibility and influence
• Opportunity to drive AI, data and technology transformation at scale
• A business with strong foundations and ambitious growth plans

This is an excellent opportunity for a senior technology and data leader looking to make a visible impact within a growing organisation where innovation, pace and collaboration are highly valued.

Find out more and apply via the link below!

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Senior Data Scientist, Marketing Measurement
Remote (UK) | £70,000 – £90,000 + Bonus + Benefits
This is an exciting opportunity for a Senior Data Scientist to shape how marketing investment decisions are made within a growing digital business. You’ll own the marketing measurement strategy, combining experimentation, incrementality testing, marketing mix modelling, and predictive analytics to influence multi-million-pound budget decisions. The role offers significant visibility, autonomy, and the chance to work at the intersection of Data Science, Marketing, and AI.
The Company
They are a fast-growing consumer-focused business operating in a highly data-driven environment. With a strong digital presence and a commitment to evidence-based decision making, they use advanced analytics to drive sustainable growth and optimise customer acquisition. Their collaborative culture encourages innovation, experimentation, and continuous learning. Operating remotely across the UK, they offer flexibility alongside meaningful career development opportunities.
The Role
You will:

• Own and enhance the organisation’s Marketing Mix Modelling framework using modern methodologies and tools.
• Design, analyse, and validate incrementality and experimentation programmes across marketing channels.
• Translate complex modelling outputs into clear budget recommendations and commercial actions.
• Partner closely with marketing stakeholders to improve channel performance and investment decisions.
• Develop and maintain customer lifetime value (LTV) models to support acquisition and retention strategies.
• Apply causal inference techniques to improve attribution and marketing measurement.
• Leverage AI tools to accelerate analysis, experimentation design, and insight generation while maintaining analytical rigour.
• Communicate findings and recommendations to both technical and non-technical audiences.

Your Skills & Experience

• Strong commercial experience in Marketing Measurement, Marketing Mix Modelling, incrementality testing, or causal inference.
• Deep understanding of experimentation methodologies, statistical analysis, and hypothesis testing.
• Experience working with paid media performance data and digital marketing platforms.
• Strong SQL skills and experience working with modern cloud data environments.
• Strong Python expertise for analysis, modelling, and data science workflows.
• Experience building predictive models, including customer lifetime value modelling.
• Ability to influence business decisions through clear communication and data-driven recommendations.
• Comfortable operating in a fast-paced environment with a high degree of ownership.

Nice to have:

• Experience with Bayesian modelling frameworks such as PyMC.
• Exposure to value-based bidding and marketing attribution challenges.
• Experience within consumer, marketplace, travel, ecommerce, or subscription-based businesses.
• Knowledge of uplift modelling and advanced customer targeting approaches.

What They Offer

• Clear opportunities to take ownership of high-impact data science initiatives and develop your career within a growing analytics function.

How to Apply
If you’re an experienced Senior Data Scientist with expertise in marketing measurement, experimentation, and advanced analytics, apply today to learn more about this opportunity.

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Senior Consultant
London (Hybrid) | Salary up to £100,000 + Bonus + Equity

This is an excellent opportunity to join a growing strategy consultancy at an exciting stage of its journey. You’ll work with leading technology organisations, solve complex commercial challenges, and have a genuine impact on strategic decision-making while benefiting from clear progression opportunities and direct exposure to senior leadership.

The Company
They are a specialist strategy consultancy partnering with innovative technology businesses to help them make better commercial and strategic decisions. Their work spans product strategy, customer insight, customer experience, go-to-market strategy, and business growth. With a collaborative and intellectually curious culture, they combine research, analytics, and strategic thinking to deliver meaningful outcomes for clients. As they continue to expand, they are looking for a Senior Consultant to play a key role in project delivery and business growth.

The Role
You will lead project workstreams across multiple client engagements, translating research and insight into commercially focused recommendations.
Responsibilities include:

• Leading workstreams across complex strategy consulting projects.
• Designing and delivering qualitative and quantitative research programmes.
• Conducting stakeholder and customer interviews.
• Analysing research findings and market evidence to develop strategic recommendations.
• Creating high-quality presentations and client deliverables.
• Presenting insights and recommendations to senior stakeholders.
• Supporting and coaching junior consultants.
• Contributing to proposals, business development activities, and thought leadership initiatives.

Your Skills & Experience

• Strong commercial experience within strategy consulting, research consulting, insights, or a related field.
• Excellent qualitative research and interviewing capabilities.
• Experience managing projects, timelines, and stakeholder relationships.
• Strong analytical, problem-solving, and strategic thinking skills.
• Excellent communication, presentation, and storytelling abilities.
• Interest in technology, innovation, and emerging market trends.
• Ability to translate complex information into clear and actionable business recommendations.
• Experience within technology, B2B technology, research consultancy, or strategic insights environments would be advantageous.

How to Apply
If you’re looking for an opportunity to influence high-profile strategic projects, work closely with senior stakeholders, and accelerate your consulting career, we’d love to hear from you.

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Senior Data Scientist – Marketing Mix Modelling (MMM) | £70,000-£90,000 | Fully Remote UK

We’re looking for a commercially minded Senior Data Scientist to join a fast-growing, purpose-led travel marketplace.

This is a high-impact role focused on Marketing Mix Modelling (MMM), incrementality and marketing effectiveness, helping the business optimise investment as it plans to significantly increase marketing spend next year.

Key responsibilities:

• Own and develop MMM to measure channel effectiveness, diminishing returns and marginal acquisition costs.

• Design incrementality experiments, including geo tests and conversion-lift studies.

• Build and enhance Customer Lifetime Value (LTV) models.

• Improve marketing attribution and measurement in a privacy-first landscape.

• Translate analytical insights into actionable marketing budget recommendations.

• Use AI to accelerate analysis, experimentation and reporting.

What we’re looking for:

• Strong hands-on experience in MMM and marketing measurement.

• Excellent statistical, causal inference and experimental design skills.

• Strong SQL and Python capabilities.

• Understanding of paid media, attribution and customer acquisition economics.

• Commercially minded, with the ability to influence marketing strategy.

• An AI-first approach to data science.

Experience with Bayesian modelling, value-based bidding or LTV modelling would be advantageous.

Package: £70,000-£90,000 + bonus and benefits

Location: Fully remote within the UK.

An excellent opportunity to shape marketing investment strategy and drive profitable, sustainable growth.

Interested? Get in touch for a confidential conversation.

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Associate Director
London (Hybrid) | Salary up to £130,000 + Bonus + Equity
This is an opportunity to join a high-growth strategy consultancy at a pivotal stage of its journey. You’ll lead high-impact projects for global technology businesses, influence senior decision-makers, and play a key role in shaping both client outcomes and the future direction of the consultancy.
The Company
They are a specialist strategy consultancy partnering with leading technology businesses to solve complex commercial and growth challenges. Combining strategic thinking, market insight, and commercial expertise, they help clients make critical decisions across innovation, product strategy, market expansion, and business growth.
With a collaborative and entrepreneurial culture, they empower their teams to take ownership, drive impact, and contribute to the ongoing development of the business. This role offers significant visibility, autonomy, and long-term career progression.
The Role

• Lead strategic consulting engagements from scoping through to delivery.
• Manage project commercials, timelines, resources, and stakeholder relationships.
• Design and oversee qualitative and quantitative research programmes.
• Lead executive interviews and facilitate senior-level workshops and discussions.
• Translate complex business challenges into clear, actionable strategic recommendations.
• Present findings and strategic narratives to senior client audiences.
• Coach and develop consultants and senior consultants.
• Support business development activities, including proposals and client growth initiatives.
• Identify opportunities to expand existing client relationships.
• Contribute to the development of innovative consulting methodologies and AI-enabled solutions.

Your Skills & Experience

• Strong experience within strategy consulting, research consulting, strategic insights, or a related advisory environment.
• Proven ability to lead complex client engagements and deliver high-quality strategic outcomes.
• Excellent commercial acumen and structured problem-solving skills.
• Strong qualitative research and stakeholder management capabilities.
• Experience managing project teams, budgets, and client relationships.
• Outstanding communication, presentation, and storytelling skills.
• Interest in technology, innovation, and emerging market trends.
• Ability to synthesise complex information into practical, commercially focused recommendations.
• Experience within technology, B2B technology, innovation consulting, or strategic insights environments is highly desirable.

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LEAD CREDIT RISK ANALYST

SALARY BETWEEN £65,000-£70,000 + ANNUAL BONUS

HYBRID (1 DAYS PER WEEK IN-OFFICE)

CARDIFF

Harnham are working with a growing UK financial services business to recruit a Lead Credit Risk Analyst into their expanding credit strategy team. This is an excellent opportunity to play a key role in shaping the future of a developing lending product, with significant exposure to strategic decision-making and senior stakeholders.

THE COMPANY

Harnham are working with a well-established UK lender that combines data, analytics, and technology to deliver consumer finance products. As part of a wider financial services group, the business offers the stability of an established brand alongside the opportunity to influence a growing lending portfolio. With continued investment in its credit capabilities, the company is focused on improving customer outcomes, operational efficiency, and risk management through data-driven decision making.

THE ROLE

This role sits within the Credit Strategy function and offers the chance to influence lending decisions, optimise credit performance, and support the ongoing development of a growing loan portfolio. You’ll work closely with a range of stakeholders to develop strategies that balance growth, customer outcomes, and risk.

Specifically, you can expect to be involved in:

• Analysing portfolio performance, including approvals, referrals, arrears, and defaults.
• Identifying opportunities to improve automation across the credit decisioning process.
• Producing insight-led recommendations to enhance credit strategy and policy.
• Collaborating with Product, Underwriting, and Commercial teams on strategic initiatives.
• Monitoring and evaluating the impact of credit strategy changes.

SKILLS AND EXPERIENCE

The successful Lead Credit Risk Analyst must have the following skills and experience:

• Experience within Credit Risk Strategy in a consumer lending environment.
• Strong analytical skills with the ability to translate data into actionable recommendations.
• Experience working with lending policies, scorecards, decisioning rules, and underwriting strategies.
• Advanced SQL skills, with Python considered advantageous.
• Ability to communicate complex analytical findings to both technical and non-technical stakeholders.

BENEFITS

The successful Lead Credit Risk Analyst will receive a salary up to £70,000 and an annual bonus.

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