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Overview

We are seeking a Senior Data Modeler to join a growing Enterprise Data & Analytics team. This is a newly created role focused on delivering high-impact analytics that directly support day-to-day business decision-making. The position plays a critical role in shaping dimensional data models, strengthening the data warehouse, and partnering closely with business stakeholders to translate requirements into scalable analytic solutions.

This is a hands-on individual contributor role that blends strong technical expertise with stakeholder engagement and business understanding.

Key Responsibilities

• Partner directly with business and domain stakeholders to gather, analyze, and clarify data and analytics requirements
• Translate business needs into dimensional data models and design artifacts
• Implement enhancements and changes within an existing enterprise data warehouse
• Build and maintain gold-layer data models to support reporting and dashboards
• Collaborate closely with data modeling peers and senior analytics leadership
• Participate in regular meetings across technical and business teams
• Support analytics consumption through well-structured, performant SQL models
• Contribute within an Agile delivery environment

Required Skills & Experience

• Strong experience with dimensional data modeling (Kimball methodology)
• Advanced SQL skills for analytics and data consumption
• Hands-on data warehouse development experience
• Experience implementing and enhancing enterprise-scale data models
• Ability to work directly with business stakeholders and translate needs into technical solutions
• Excellent verbal and written communication skills

Preferred / Nice-to-Have Skills

• Experience with Snowflake
• Experience with data integration tools such as Matillion
• Familiarity with Power BI or similar BI platforms
• Python experience (preferred but not required)
• Experience working in Agile development environments

Ideal Candidate Profile

• Background in data engineering, analytics engineering, or data modeling
• Comfortable being hands-on while collaborating across technical and business teams
• Independent thinker who enjoys solving complex business problems with data
• Highly driven, proactive, and adaptable
• Strong ability to articulate design decisions clearly and confidently

Education

• Bachelor’s degree in Computer Science or a related field (or equivalent professional experience)

Career Growth

This role offers clear growth opportunities over the next 2-3 years, with paths into:

• Deeper specialization as a business domain partner, or
• Broader technical progression toward a senior or architect-level role

Work Environment

• Hybrid work model
• Agile, collaborative team culture
• Opportunity to work across multiple domains and technologies

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CRO & Experimentation Manager
London
Hybrid, 3 days in office
£40,000-£55,000 DOE + twice-yearly bonus

A fast-growing digital growth agency is looking for a senior CRO and experimentation specialist to join its dedicated testing practice. This is a client-facing role with real ownership, working on structured experimentation programmes for well-known, high-traffic publishing and subscription brands.

You’ll lead end-to-end CRO programmes, from defining strategy and hypotheses through to test delivery, analysis and insight. You’ll act as a trusted advisor to senior client stakeholders and collaborate closely with CRM, analytics and digital growth teams to drive measurable impact.

What you’ll be doing:

• Owning and shaping CRO and experimentation strategy across multiple clients
• Leading A/B and multivariate testing programmes from idea to insight
• Translating data, user behaviour and research into strong, well-reasoned test hypotheses
• Managing senior client relationships and influencing CRO roadmaps
• Working cross-functionally on wider digital growth initiatives

What we’re looking for:

• Hands-on CRO and UX experience, with the ability to define strategy and execute tests
• Strong experience with testing platforms such as Piano, Zephr, Optimizely or VWO
• Excellent GA4 experience, Adobe Analytics also considered
• Confidence with experimentation logic, statistics and quantitative analysis
• Experience with tools like Amplitude or Mixpanel is a plus
• Curious, self-motivated and genuinely passionate about experimentation
• Agency or client-side background both welcomed

What’s on offer:

• £40,000-£55,000 salary plus twice-yearly bonus
• Hybrid working with flexibility, including working from abroad
• Clear progression and development opportunities
• Regular team socials, lunches and wellbeing initiatives
• Subsidised gym and sports memberships

If you’re excited by experimentation, data-led decision making and working closely with ambitious clients, this role offers real autonomy and impact within a highly collaborative team.

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SEO Manager (Website)

London, 4 days per week in office (5 day working week) , up to £45000

A great opportunity to take ownership of SEO performance for a high‑traffic ecommerce site, driving organic growth and shaping strategy within a fast‑paced digital environment. This role is ideal for someone who enjoys leading SEO direction while still being hands‑on with technical and content optimisation.

The Company

They are a large, multi‑brand retail organisation with a strong digital presence and a focus on continuous improvement. Their teams work in an ambitious, data‑driven environment where SEO plays a crucial role in scaling traffic, revenue and online visibility. You will join a supportive team that values expertise, collaboration and commercial impact.

The Role

* Manage and optimise SEO performance across an allocated site
* Develop and deliver the SEO roadmap covering technical, on‑page and content activity
* Lead keyword research, technical audits and site improvements
* Oversee day‑to‑day SEO operations and support a small team
* Analyse KPIs, report on performance and identify growth opportunities
* Partner with wider teams on content, PR, usability and site architecture
* Keep ahead of industry trends and champion SEO best practice

Your Skills and Experience

* Strong commercial experience in an SEO‑focused role within ecommerce
* Confident managing technical SEO, keyword strategy and onsite optimisation
* Ability to analyse performance data and translate it into clear actions
* Experience presenting results, insights and recommendations
* Comfortable leading workflows and supporting junior team members
* Strong understanding of usability, content structure and user behaviour

What They Offer

* Up to £45000 plus benefits
* Four‑days a week in the office, 5 day working week
* Opportunity to lead SEO strategy for a major consumer brand
* Growth potential and exposure to high‑impact digital projects

How to Apply

If this sounds like the right next step for you, please apply with your CV.

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CRO Manager
London, Hybrid
Salary up to £55,000

This is a standout opportunity for a CRO specialist who wants genuine ownership. You will lead structured experimentation programmes for well known, high traffic digital brands, acting as the strategic authority on testing and optimisation while staying close to delivery.

The Company
They are a growing digital consultancy with a strong reputation for data led growth and experimentation. The team works closely with ambitious marketing and product functions to unlock measurable performance improvements. They are known for investing in their people and fostering a supportive, high trust working environment. The business combines the pace of an agency with the depth of long term client partnerships.

The Role

• Lead the CRO and experimentation strategy across a portfolio of key clients
• Own senior client relationships and operate as a trusted optimisation advisor
• Design and deliver end to end experimentation programmes from hypothesis creation through to analysis and insight
• Translate quantitative data and user behaviour into clear, testable ideas
• Collaborate with analysts, marketers and developers to drive integrated digital growth

Your Skills and Experience

• Strong commercial experience in CRO, experimentation and UX optimisation
• Hands on use of testing platforms such as Optimizely, VWO, Piano or Zephr
• Advanced working knowledge of GA4 as a core analytics tool
• Experience with additional analytics platforms such as Adobe Analytics, Amplitude or Mixpanel
• Confident working with A B testing logic, statistics and performance data
• Clear and credible client facing communication skills
• Understanding of how CRO connects with wider digital marketing activity
• Working knowledge of HTML, CSS or JavaScript is beneficial but not essential

How to Apply
If you are passionate about experimentation and want to shape how CRO is delivered at a strategic level, apply now to find out more.

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CRO Manager
London – Hybrid – 3x a week
Up to £55,000

This is an opportunity to step into a senior CRO role within a boutique, premium performance marketing consultancy where experimentation sits at the heart of commercial decision making. You will own end-to-end experimentation programmes, work directly with ambitious clients, and play a visible role in shaping how conversion optimisation drives growth.

The Company
They are a fast-growing performance marketing consultancy operating at the intersection of strategy, experimentation, analytics, and digital performance. The business works with well known, fast growth brands across sectors including entertainment, publishing, ecommerce, B2B, and travel. With a strong data driven culture and a reputation for award winning work, they offer the feel of an in-house team while retaining the variety and pace of agency life.

The Role

• Own full end to end experimentation programmes across multiple client accounts
• Lead quantitative and qualitative research to uncover insight and opportunity
• Translate data and behavioural insight into commercially impactful test hypotheses
• Prioritise test ideas based on potential uplift, effort, and strategic value
• Manage the setup, execution, and analysis of experiments using industry leading testing tools
• Partner closely with clients as an extension of their internal teams
• Collaborate with analytics, development, and other marketing specialists to deliver robust testing frameworks
• Communicate results clearly, focusing on learning, impact, and next steps

Your Skills & Experience

• Strong commercial experience in conversion rate optimisation or experimentation
• Confidence working with large datasets and web analytics platforms such as GA4 or Adobe Analytics
• Hands on experience with testing and personalisation tools such as Optimizely, VWO, or similar
• Proven ability to manage the full experimentation lifecycle from insight through to analysis
• A technical and analytical mindset with curiosity for new platforms and methodologies
• Comfortable working directly with clients and senior stakeholders

What They Offer

• Exposure to a wide variety of high profile, fast growth clients
• Clear opportunities to broaden skills across CRO, analytics, and wider digital strategy
• Supportive, non hierarchical culture with strong learning and development focus

How to Apply
Apply now to explore how this CRO Manager role could accelerate your career in experimentation and data driven growth.

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Senior SEO Executive

£30,000-£33,000

Derbyshire (Hybrid)

THE COMPANY

This role sits within a high-growth retail group, offering the chance to work on one of the UK’s largest eCommerce platforms; SEO is a highly visible and well-respected function, playing a key role in driving traffic and revenue across the business!

THE ROLE

You’ll support the SEO Manager in delivering organic performance, with a focus on day-to-day optimisation and execution. This is a great opportunity for someone looking to step up into a more impactful role within a fast-paced environment.

Key responsibilities include:

• Supporting SEO strategy execution
• Making recommendations to improve rankings and performance
• Conducting keyword research and analysis
• Carrying out technical SEO audits and resolving issues
• Optimising site structure, internal linking and on-page content
• Supporting content creation (category pages, blogs, guides)
• Assisting with link-building activity
• Reporting on SEO performance

YOUR SKILLS AND EXPERIENCE

• Strong understanding of SEO fundamentals
• Proactive and able to manage multiple priorities
• Comfortable working at pace

Tools:

• Screaming Frog (essential)
• Google Search Console
• GA4
• Botify / Pi Datametrics / SEMrush (nice to have)

THE BENEFITS

• £30,000-£33,000

HOW TO APPLY

Please register your interest by sending your CV to Adam Osborne at Harnham via the Apply link on this page.

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Paid Social & Programmatic Executive

Hybrid (Hemel Hampstead)
Up to £35,000

We’re hiring a Paid Social & Programmatic Executive to support the delivery, optimisation, and reporting of digital marketing campaigns across Paid Social and Programmatic channels for a major consumer brand.

The Role

You’ll be responsible for creating and optimising campaigns across Paid Social, Display, Video, and Programmatic channels, helping drive high-quality traffic and performance to a leading consumer website.

You’ll work closely with brand, performance marketing, and creative teams to ensure campaigns are well-executed, insight-led, and continuously improved.

Key Responsibilities

• Build, manage, and optimise Paid Social and Programmatic campaigns
• Monitor daily performance and deliver clear reporting and insights
• Recommend improvements to improve campaign performance and efficiency
• Work with internal and external teams to ensure high-quality creative delivery
• Support performance tracking against KPI and budget targets
• Present campaign performance when required

What We’re Looking For

• 2+ years’ experience in digital marketing / performance marketing
• Hands-on experience with Paid Social campaigns
• Understanding of Programmatic Display and Video
• Strong Excel and data interpretation skills
• Highly organised with strong attention to detail
• Comfortable working in a fast-paced, collaborative environment

Nice to Have

• Experience in hospitality or consumer-facing brands
• Degree educated
• Exposure to broader digital marketing channels

Why Apply

• Work across high-visibility paid media campaigns
• Join a collaborative performance marketing team
• Gain exposure across Paid Social and Programmatic channels
• Strong development opportunity within a major consumer brand

Find out more and apply via the link below.

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Marketing Technology Executive – Digital Marketing Data & Feeds

Location: London (Hybrid – approx. 1 day per week on-site)
Salary: £45,000-£50,000 + benefits
Start: ASAP (urgent hire)

About the Role

We’re looking for a hands-on Marketing Technology Executive to help deliver and evolve the technical digital marketing capabilities across inbound and outbound channels. This role sits within a growing digital marketing function and focuses on building, managing, and optimising the product and stock data pipelines that power marketing activity across multiple platforms.

You’ll work closely with Marketing, Product, and Engineering teams to ensure product data is accurate, reliable, and effectively integrated into the MarTech ecosystem. If you enjoy solving data flow challenges, improving feed quality, and enabling smarter marketing activation, this is a great fit.

What You’ll Do

• Develop, maintain, and optimise product and stock data feeds using tools like Athos Commerce and technologies such as Kafka and Snowflake.
• Manage real-time feed integrations with platforms including Meta, TikTok, Salesforce Marketing Cloud, and others.
• Support ETL processes to ensure accurate and compliant data sharing across marketing tools and dashboards.
• Validate and monitor product/stock data to ensure accuracy, completeness, and performance.
• Run and report on feed tests, identifying opportunities to improve marketing efficiency.
• Work collaboratively with internal teams to ensure smooth delivery of data-driven projects.

What We’re Looking For

Essential:

• Experience managing product and stock feeds for digital commerce (Athos, Mulesoft, Boomi, etc.).
• Integration of feeds into digital marketing platforms.
• Knowledge of ETL processes and data governance best practices.
• Understanding of how digital channels use feed data for targeting, optimisation, and reporting.
• Ability to translate technical requirements into marketing deliverables.

Desirable:

• Experience with APIs (Postman, Datadog, Splunk, Boomi).
• Working knowledge of GCP, data pipeline tools (Funnel, Datorama) or Snowflake.
• Experience in enterprise retail, ecommerce, or marketplace environments.
• Familiarity with real-time data architecture (e.g., Kafka).

What You’ll Bring

• Problem-solving mindset and ownership of tasks from start to finish.
• Ability to simplify complex problems and communicate clearly with stakeholders.
• Curiosity, adaptability, and willingness to try new approaches.
• Strong relationship-building skills across technical and non-technical teams.
• A proactive approach to improving processes and marketing effectiveness.

Working Model

Hybrid, with flexibility-typically one day per week in the London office, but open to once every two weeks depending on needs.

Find out more and apply via the link below.

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Programmatic Executive
Hemel Hempstead (Hybrid, 3 days onsite)
Up to £40,000 plus benefits

This is an exciting opportunity for a Programmatic specialist to join a growing performance marketing function where data, experimentation, and digital innovation sit at the heart of their strategy. You will play a key role in delivering high quality traffic and driving commercial performance across key digital channels.

The Company

They are a well-established UK consumer brand that has undergone significant digital transformation in recent years. With a focus on elevating customer experience, they use data, technology, and insight to power smarter marketing decisions. Their performance marketing team is expanding, giving you the chance to join a forward-thinking environment with strong leadership and investment in digital excellence.

The Role

* Build, optimise, and manage programmatic campaigns to drive qualified traffic.
* Contribute to paid social delivery where relevant.
* Analyse campaign performance, produce reports, and present recommendations to stakeholders.
* Work closely with senior team members to identify opportunities for optimisation and efficiency.
* Ensure creative is data-informed and set up to maximise engagement and conversion.
* Support the wider performance marketing strategy to improve commercial outcomes.

Your Skills and Experience

* Strong commercial experience in programmatic marketing.
* Exposure to paid social activation or optimisation.
* Confident using data and insight to inform decisions and improve performance.
* Comfortable presenting findings and communicating with stakeholders.
* A proactive, analytical mindset with strong attention to detail.

What They Offer

* Salary up to £40,000.
* Annual bonus up to 15 percent.
* Pension scheme with enhanced employer contribution options.
* Generous holiday allowance with a holiday buy scheme.
* Discounts on holidays, retail, travel, and more.
* Life assurance, wellbeing support, digital GP access, and advisory services.
* Electric and hybrid vehicle leasing via salary sacrifice.

How to Apply
To register your interest, please apply with your CV via the link below.

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