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SENIOR PRODUCT DATA SCIENTIST

£55,000-65,000 + BENEFITS

LONDON

An opportunity at a high-growth marketplace driving experimentation across the organisation.

THE COMPANY

This marketplace are heavily driven by Data and Analytics and are looking for a Senior Product Data Scientist to deliver actionable and meaningful insights using advanced analytics. This company has a vast amount of data to work through and as the Senior Product Data Scientist, you will be working closely with talented individuals to deliver essential insight that will allow the company to continue growing.

THE ROLE

As a Senior Product Data Scientist, you can expect to be analysing and interpreting results of both testing and optimisation experiments in a statistical and scientifically sound manor. By collaborating data engineers, you will be making sure that the right data is collected to produce actionable, but more importantly, relevant insights to the business.

In specific, you can expect to be involved in the following:

• Identification of opportunities to increase revenue through product optimisation
• Set up, analysis and interpretation of testing results and optimisation experiments in a statistical and scientific manor using SQL and visualisation tools such as Looker, Tableau, etc
• Analysis of customer behaviour for the purpose of generating insights and testable hypotheses
• Identification, design and iterative improvement of workflows and processes

YOUR SKILLS AND EXPERIENCE

The successful Senior Product Data Scientist will have the following skills and experience:

• Educated to a degree level with a significant quantitative component (e.g. math, computer science, physics or economics)
• Statistical background with knowledge of regressions and hypothesis testing
• Full proficiency using SQL, coding from scratch, commercial experience visualising data within Tableau (or similar), and commercial experience using Google Analytics (or similar)
• Significant experience with large-scale A/B Testing and tools such as (e.g. Optimizely, SiteSpect, VWO)
• Experience using Python for data analysis, building models of attribution, LTV, segmentations
• Significant experience defining and delivering insights and analysis for digital products in a B2C environment
• Experience using data visualisation tools such as Power BI, Looker, Tableau

THE BENEFITS

The successful Senior Product Data Scientist will receive a salary between £75,000 and £85,000, working in a company with an excellent culture, great pension scheme and good holiday package.

HOW TO APPLY:

Please register your interest by sending your CV to Dylan Butcher via the Apply link on this page.

To Apply for this Job Click Here

To Apply for this Job Click Here

PRODUCT DATA SCIENTIST

£55,000-65,000 + BENEFITS

LONDON

An opportunity at a high-growth marketplace driving experimentation across the organisation.

THE COMPANY

This marketplace are heavily driven by Data and Analytics and are looking for a Product Data Scientist to deliver actionable and meaningful insights using advanced analytics. This company has a vast amount of data to work through and as the Product Data Scientist, you will be working closely with talented individuals to deliver essential insight that will allow the company to continue growing.

THE ROLE

As a Product Data Scientist, you can expect to be analysing and interpreting results of both testing and optimisation experiments in a statistical and scientifically sound manor. By collaborating data engineers, you will be making sure that the right data is collected to produce actionable, but more importantly, relevant insights to the business.

In specific, you can expect to be involved in the following:

• Identification of opportunities to increase revenue through product optimisation
• Set up, analysis and interpretation of testing results and optimisation experiments in a statistical and scientific manor using SQL and visualisation tools such as Looker, Tableau, etc
• Analysis of customer behaviour for the purpose of generating insights and testable hypotheses
• Identification, design and iterative improvement of workflows and processes

YOUR SKILLS AND EXPERIENCE

The successful Product Data Scientist will have the following skills and experience:

• Educated to a degree level with a significant quantitative component (e.g. math, computer science, physics or economics)
• Statistical background with knowledge of regressions and hypothesis testing
• Full proficiency using SQL, coding from scratch, commercial experience visualising data within Tableau (or similar), and commercial experience using Google Analytics (or similar)
• Significant experience with large-scale A/B Testing and tools such as (e.g. Optimizely, SiteSpect, VWO)
• Experience using Python for data analysis, building models of attribution, LTV, segmentations
• Significant experience defining and delivering insights and analysis for digital products in a B2C environment
• Experience using data visualisation tools such as Power BI, Looker, Tableau

THE BENEFITS

The successful Product Data Scientist will receive a salary between £55,000 and £65,000, working in a company with an excellent culture, great pension scheme and good holiday package.

HOW TO APPLY:

Please register your interest by sending your CV to Dylan Butcher via the Apply link on this page.

To Apply for this Job Click Here

To Apply for this Job Click Here

QA Engineer (AI & Machine Learning) – Healthcare Startup

Location: Eindhoven

Employment Type: Full-time

Salary: Competitive + Equity Options

About Us

We’re a fast-growing healthcare startup on a mission to transform how clinical decisions are made through the power of artificial intelligence. The AI-driven platform helps clinicians deliver faster, more accurate diagnoses – improving patient outcomes and saving lives.

They are now looking for a QA Engineer with a deep interest in AI systems and machine learning validation to join our passionate, cross-functional team.

The Role

As our QA Engineer, you’ll take ownership of the testing strategy and quality assurance process for our AI products – from data pipelines to model outputs and end-user interfaces. You’ll work closely with data scientists, ML engineers, and clinicians to ensure our algorithms are safe, robust, and trustworthy.

What you’ll do:

• Design and implement automated and manual test frameworks for AI and ML components.
• Develop evaluation protocols to assess model accuracy, fairness, and performance.
• Validate data quality, preprocessing pipelines, and integration points with clinical systems.
• Collaborate with regulatory and compliance teams to ensure testing meets healthcare and AI safety standards (e.g. MHRA, ISO 13485, GxP).
• Build monitoring tools for post-deployment AI behaviour and model drift.
• Champion a culture of “quality-first” within the product and engineering teams.

About You

You’re a detail-oriented QA professional who thrives on solving complex problems and believes in the power of AI to make healthcare better – but only if it’s built and tested responsibly.

You’ll bring:

• 3+ years’ experience in software QA, with at least 1 year focused on AI, ML, or data-driven systems.
• Solid understanding of Python, CI/CD pipelines, and test automation frameworks (e.g. PyTest, Robot Framework, or Cypress).
• Experience testing data pipelines, APIs, and model inference endpoints.
• Familiarity with AI metrics (precision, recall, ROC AUC, etc.) and validation methodologies.
• Strong communication skills and the ability to collaborate with data scientists and clinicians alike.
• Bonus: knowledge of healthcare data standards (FHIR, HL7) or regulatory frameworks for AI in medical devices.

Why Join Us

• Be part of a mission-driven startup tackling one of healthcare’s biggest challenges.
• Work on cutting-edge AI systems that directly impact patient care.
• Flat hierarchy, open culture, and plenty of room to innovate.
• Continuous learning opportunities – from ML explainability to regulatory AI testing.
• Flexible hybrid/remote working setup.

To Apply for this Job Click Here

To Apply for this Job Click Here

Senior Data Engineer

Salary: £95,000

Location: Remote First (London Office)

Join a team where data engineering isn’t just support, it’s the engine. Build the models and pipelines that fuel innovation, accelerate growth, and elevate how the whole company thinks about data.

The Opportunity

This opportunity puts you at the centre of shaping the company’s data landscape, giving you the ability to influence how teams access, understand, and trust their data. You’ll take ownership of high-impact initiatives that drive better decision-making and unlock meaningful insights across the business.

As a senior contributor, you’ll help define the long-term vision for data, ensuring it grows in a scalable, reliable, and forward-thinking direction. You’ll mentor and support other engineers, fostering a culture of collaboration, learning, and empowerment. Ultimately, this role offers the chance to make a visible, lasting mark by elevating the organisation’s data capabilities and enabling teams to work smarter and more independently.

The Role & Responsibilities

A Senior Data Engineer is responsible for designing and maintaining high-quality, production-ready data pipelines that serve a variety of internal teams. They build and optimise central data models that support analytics, machine learning, and operational use cases. The role involves working with modern data stack technologies such as Databricks, AWS, dbt, Airflow, and Looker.

They lead complex technical initiatives, improve engineering efficiency through better CI/CD, observability, and tooling, and ensure data reliability at scale. Senior Data Engineers also mentor junior engineers and help promote a strong, collaborative, self-service data culture.

Interview Process

1. Introductory Conversation – 1 Hour
2. Pair Programming -1 Hour
3. Code Based Task – 1 Hour
4. Culture Fit

Join as a Senior Data Engineer to build robust data pipelines, shape high-quality models with modern tech, and lead impactful engineering initiatives that empower data-driven decision-making, apply now.

To Apply for this Job Click Here

To Apply for this Job Click Here

Senior Data Analyst – Marketing Analytics
Location: NYC – Hybrid | Salary: $120,000 – $160,000

We’re partnered with an innovative technology company that’s redefining how people engage with live and digital experiences.

With a strong commitment to data-driven decision-making, their Marketing Analytics function plays a central role in shaping growth strategy, optimising performance across channels, and deepening understanding of the customer journey.

They’re now seeking a Senior Data Analyst to join this high-impact team – someone who can bridge the gap between marketing strategy, business objectives, and analytical insight to drive measurable results.

The Role

• Partner closely with Growth, Marketing, and Product teams to identify opportunities, measure campaign performance, and guide strategic decision-making.

• Own analytical projects end-to-end, from scoping business questions to delivering actionable insights and recommendations.

• Analyse and optimise customer acquisition, engagement, and retention across multiple marketing channels.

• Develop and maintain core marketing datasets and dashboards using tools such as Looker, dbt, and Hex.

• Evaluate campaign and channel effectiveness through experimentation and advanced statistical techniques.

• Communicate complex analytical findings clearly and persuasively to both technical and non-technical stakeholders.

• Act as a thought partner, using analytics to influence broader marketing and growth strategy.

What You’ll Bring

• 4+ years’ experience in Marketing Analytics, Growth Analytics, or a related data-driven role (ideally within tech, ecommerce, or consumer products).

• Strong SQL skills and proficiency in Python or R for data manipulation and modelling.

• Proven experience analysing marketing funnel performance, attribution, and ROI.

• Hands-on experience with experimentation, A/B testing, or incrementality analysis.

• Strong understanding of digital marketing channels, CRM, and performance metrics.

• Excellent storytelling and presentation skills – able to translate data into strategic insight.

• A proactive, collaborative mindset and a passion for driving business impact through analytics.

Desirable: experience in B2B2C environments, working with marketing automation or attribution platforms, and exposure to data infrastructure (dbt, event tracking, marketing APIs).

Tech Stack

Airflow | Fivetran | Python | dbt | Redshift | mParticle | Eppo | Mixpanel | Looker | Hex | GitLab

If you’re passionate about using data to drive marketing performance and influence strategic growth decisions, this is an opportunity to make a tangible impact within a forward-thinking organisation.

Get in touch with the Harnham team today to learn more.

#MarketingAnalytics #DataAnalytics #GrowthAnalytics #Harnham #DataJobs #AnalyticsCareers

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CRM EXECUTIVE – CASINO
£30,000-35,000 + BONUS + BENEFITS
FULLY REMOTE

Please note this client unfortunately cannot sponsor at this time.

THE COMPANY

An established, growing online gaming business is investing heavily in CRM and player engagement. This is a great chance to join a high-performing team, working closely with product, brand and compliance to deliver personalised Casino experiences across multiple channels.

THE ROLE

As a CRM Executive focused on Casino, you will:

• Own day-to-day Casino CRM activity across email, SMS, push and in-app
• Build and refine customer segments based on behaviour and value
• Set up, test and deploy HTML campaigns, ensuring accuracy and quality
• Monitor player activity daily and serve relevant offers to drive retention and revenue
• Track and report on KPIs such as engagement, CTR and conversion, recommending optimisations
• Manage Casino promotions end-to-end, from briefing and setup to QA and post-campaign review
• Contribute to A/B testing, experiment design and ongoing optimisation
• Support automated, trigger-based journeys to improve personalisation
• Update and upload content via the CMS when required
• Work closely with internal stakeholders to ensure smooth execution of campaigns

YOUR SKILLS AND EXPERIENCE

To succeed in this role you will have:

• At least 2 years’ experience in CRM or marketing, ideally within online Casino or gaming
• Hands-on experience with CRM platforms; exposure to Playtech IMS is a bonus
• Strong analytical mindset and confidence working with campaign data and Excel
• Excellent attention to detail, organisation and the ability to manage multiple campaigns at pace
• A proactive, growth-focused attitude and willingness to learn
• Fluent English communication skills and a collaborative approach
• Degree in Marketing, Business or a related field is preferred

BENEFITS

The successful CRM Executive will receive a salary between £30,000 and £35,000 plus bonus and benefits. You’ll join a fast-moving environment with plenty of ownership, the chance to shape Casino CRM strategy and clear opportunities to progress as the team grows.

HOW TO APPLY

Please register your interest by sending your CV to Dylan Butcher via the Apply link on this page.

To Apply for this Job Click Here

To Apply for this Job Click Here

Head of CRM

London – Hybrid
Salary between £90,000 – £130,000

A high growth tech led organisation is looking for a Head of CRM to take ownership of their full revenue systems ecosystem. This is a rare opportunity to sit at the intersection of systems architecture, commercial operations and analytics, shaping the foundations that power marketing, sales and customer success.

This is not traditional CRM administration. You will architect the systems that underpin the entire customer lifecycle, ensuring the GTM tech stack scales effectively while maintaining strong data quality and governance throughout. If you want to own the strategy, design and optimisation of a modern CRM environment while partnering closely with senior leaders, this role offers real influence and long term progression.

The Role

You will

• Own the CRM platform as the central revenue system for the organisation

• Design and optimise the GTM technology stack to support future scale

• Lead CRM architecture across Sales, Service and Operations

• Translate commercial requirements into scalable system design and configuration

• Partner with Revenue Operations, Marketing and Customer Success leadership

• Build and maintain data quality standards, lifecycle processes and technical documentation

• Troubleshoot issues, support system users and maintain overall CRM health

• Work with engineering and automation teams to improve workflows and end to end processes

Your Skills

• 5+ years administering CRM platforms in RevOps, CRM Architecture or similar roles

• Strong understanding of CRM design, data structures and lifecycle management

• Experience with HubSpot or similar GTM systems

• Strong analytical mindset and the ability to translate data into decisions

• Comfortable bridging technical and commercial teams

• Experience working in SaaS or fast paced environments

• Interest in automation, system scale and the future of CRM

Why Apply

• Ownership of the full CRM architecture and roadmap

• Strategic role with visibility across the full revenue engine

• Opportunity to build scalable systems in a high growth environment

• Strong learning and development budget

• Hybrid working and excellent benefits

To Apply for this Job Click Here

To Apply for this Job Click Here

CRM Lead (HubSpot) – London / Hybrid

A high-growth B2B blockchain analytics company is scaling its commercial engine and building out a next-generation GTM engineering function. As part of this, we’re looking for a hands-on Lead GTM Systems/CRM specialist to own, optimise, and innovate across our commercial tech stack, with HubSpot at the core.

This is an individual-contributor role with massive scope: you’ll be the technical and operational backbone for our go-to-market teams as the business doubles its sales organisation and invests heavily into scalable revenue operations.

What you’ll do

• Act as the HubSpot expert-admin, architecture, optimisation, and advanced workflow build.

• Improve and scale lead flow, routing logic, data quality, and commercial processes as volumes increase.

• Build a robust GTM tech stack, integrating HubSpot with internal tools and external platforms.

• Partner with engineers to deliver deeper technical integrations when needed.

• Support launch and iteration of new sales processes, working closely with RevOps.

• Use low-code automation tools and AI-assisted development where useful.

• Unlock maximum value from HubSpot, including custom apps, integrations, and advanced automation.

What we’re looking for

• Deep HubSpot experience (admin, architecture, workflows, automation, reporting).

• Background in marketing operations, growth ops, or GTM systems, ideally in B2B SaaS.

• Comfortable getting hands-on-scrappy, technical, implementation-first mindset.

• Experience scaling CRM and GTM systems during high-growth stages.

• Ability to collaborate with engineering teams when work extends beyond low-/no-code.

• Strong understanding of SaaS customer lifecycle funnels.

• Interest in crypto / digital assets is a bonus.

Team & Environment

You’ll work closely with the Director of GTM Engineering and partner daily with RevOps, sales, marketing, and engineering. The structure is intentionally flat, offering autonomy and the ability to shape how the commercial engine scales.

Location

Hybrid – London, Bank (EC4)
8 days per month in the office (more during the first 1-2 months).

Salary

Up to £100,000 (Lead level)
Benefits

Interview Process

1. Hiring Manager interview

2. Panel with senior leadership

3. Values & behaviours interview

Find out more and apply via the link below.

To Apply for this Job Click Here

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Digital Marketing & Website Analytics Manager

Location: London | Hybrid (Mon & Wed in-office)
Salary: Up to £65k + Share Options (after 1 year)

About the Role

A leading London-based private healthcare provider is looking for a Digital Marketing & Website Manager to take full ownership of their digital presence. With a brand-new website launching early 2025, this is a high-impact role for someone who loves combining hands-on digital execution with technical website management.

You’ll work across marketing, product and development teams, manage agency partners, and drive performance across all digital channels.

What You’ll Be Doing

Website Management & Optimisation

• Own the website end-to-end (Contentful).

• Lead UAT, regression testing and analytics setup.

• Analyse performance, run A/B tests and drive CRO.

• Collaborate with product and dev teams on UX/functionality improvements.

Digital Marketing Delivery

• Manage SEO, PPC, paid social and web agencies.

• Deliver campaigns across paid and organic channels.

• Shape user journeys and support broader marketing strategy.

Analytics & Reporting

• Use GA4, GTM, HubSpot and Hotjar to track performance.

• Build dashboards, tagging frameworks and conversion reporting.

• Provide clear, actionable insights on spend and results.

Ownership & Collaboration

• Confidently work with senior stakeholders.

• Proactive, ideas-led and able to run with projects from day one.

What They’re Looking For

• ~5 years’ digital marketing experience.

• Strong technical skills in website management & analytics.

• Comfortable managing agencies and cross-functional teams.

• Experience with Contentful, GA4, GTM, HubSpot, Hotjar, A/B testing.

• Service-sector background helpful (healthcare not essential).

• Confident, data-driven, and hands-on.

Interview Process

• Stage 1: Remote

• Stage 2: In-person with senior marketing, product & tech

Find out more and apply via the link below.

To Apply for this Job Click Here