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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.

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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.

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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.

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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

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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

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Analytics Manager

London (Hybrid – 2 days in office, Tuesdays required)
Up to £90,000 base salary

An established data and analytics provider within the FS and property sector is looking for an Analytics Manager to lead and deliver high-impact client-facing projects. Sitting at the intersection of data, product, and commercial teams, this role offers the opportunity to influence strategic decision-making across some of the UK’s most prominent banks and mortgage lenders.

You’ll manage a small team of analysts while staying close to delivery – combining technical expertise with business insight to shape how financial institutions use housing market data to drive smarter lending decisions.

Key Responsibilities

• Team Leadership: Mentor and support 2-3 analysts; oversee workload and ensure high-quality output

• Client-Facing Analytics: Present insights directly to clients, translating complex data into strategic value

• Cross-Functional Collaboration: Work with product, commercial, and presales teams to develop tailored solutions

• Strategic Thinking: Stay ahead of market trends and customer challenges to guide analytics direction

• Project Delivery: Lead the end-to-end delivery of analytics projects across multiple stakeholders and timelines

• Innovation Support: Help evolve the product set through insight-led thinking across financial services use cases

What We’re Looking For

• 5-7 years’ experience in analytics, ideally within financial services, credit risk, mortgages, or related sectors

• Proven experience mentoring or managing analysts (or strong readiness to step into a team lead role)

• Strong technical toolkit: SQL, Python, and Excel proficiency

• Skilled communicator – confident presenting to both technical and non-technical audiences

• Experience working with or alongside banks, lenders, or credit decisioning teams

• Highly numerate, creative problem solver with strong business acumen

Nice to Have

• Exposure to property, housing, or mortgage markets

• Experience in a fast-paced, collaborative environment

• Interest in combining product thinking with data analytics

• Ability to manage multiple projects and stakeholders

• Strong presentation skills and a curious, solutions-driven mindset

Why Apply?

• Strategic, visible role with direct impact on how financial clients use data

• Competitive salary up to £90,000

• Hybrid working – 2 days/week in the London office (Tuesdays required)

• Work within a high-calibre analytics team under supportive leadership

• Be part of a mission to simplify and modernise property data in financial decisioning

Interview Process

1. Initial interview (30-45 mins) – with Analytics Leadership

2. Task stage – demonstrate analytical thinking and communication

3. Final round – culture fit and stakeholder interaction
   One stage may take place in person at the London office (London Bridge), where possible

Ready to shape the future of data in property and financial services? Apply now to join a high-performing team that blends deep analytics with real-world impact.

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Job Title: Product Data Scientist – Hybrid – Up to £80,000

Location: London (Hybrid, 2 days p/w in office)

Salary: Up to £80,000 + benefits

Contract: Permanent

The Company

A well-established and fast-growing organisation going through an exciting period of digital transformation. With a strong customer focus, they use data and technology to deliver meaningful products and services to a wide audience. The business is scaling its data capabilities and is investing heavily in analytics to drive smarter decisions and long-term growth.

The Role

As a Product Data Scientist, you’ll work closely with teams across the business to unlock insight, guide product strategy, and influence decision-making. You’ll use advanced analytics, experimentation, and data storytelling to identify opportunities, improve customer experiences, and drive measurable impact.

Key Responsibilities:

• Analyse user behaviour to uncover insights, identify pain points, and influence product direction.

• Design experiments and support a culture of testing, learning, and iteration.

• Define and align key business metrics, ensuring consistency and accuracy across teams.

• Build and maintain dashboards and tools to empower stakeholders with self-serve insights.

• Conduct deep-dive analyses to support strategic initiatives and provide clear recommendations.

• Collaborate across functions to close data gaps and drive analytics best practice.

• Stay current on industry trends and champion innovative approaches to product data science.

The Candidate

• Proven experience in analytical roles, ideally within a digital-first or tech-led business.

• Skilled in SQL, Python or R, plus familiarity with BI tools (e.g. Looker, Tableau, Lightdash).

• Ability to translate business challenges into clear analytical projects and recommendations.

• Strong data storytelling and presentation skills, with confidence engaging senior stakeholders.

• Curious, proactive, and detail-oriented problem solver.

• Team player with strong collaboration skills.

What’s on Offer

• Salary up to £80,000 + bonus

• Hybrid working (2 days per week in London office)

• Competitive annual leave package

• Pension scheme and healthcare support

• Employee discounts and perks

• Regular team socials and recognition initiatives

• Strong learning and development opportunities

Apply Now
If you’re an experienced Product Data Scientist/Analyst looking to shape the future of data insight in a growing, forward-thinking organisation, apply today.

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Lead Marketing Analyst

Location: Fully remote (UK-based)
Salary: Up to £80k + 10% bonus

About the Business

A long-established, consumer-focused digital business backed by private equity. The company is undergoing a significant transformation under new leadership, with a clear three-pillar growth strategy centred around:

1. Expanding and strengthening its core digital products.

2. Enhancing customer experience to drive engagement and loyalty.

3. Building stronger community connections and marketing reach.

The business is in the process of modernising its approach to data and analytics, with major work underway on evolving its subscription model and diversifying revenue streams.

The Role

This is a newly created position within the central Analytics, Data, and Engineering function, designed to add an extra layer of leadership within the marketing analytics space.

You’ll take full ownership of the marketing analytics function, line-managing one Senior Analyst, and act as the go-to expert for marketing insight and reporting. You’ll work closely with senior stakeholders across marketing, commercial, and product to ensure data-driven decision-making, presenting confidently at executive and board level.

What You’ll Be Doing

• Leading a small analytics team delivering insights to guide marketing targeting, spend, and impact.

• Owning full-funnel, cross-platform customer analysis (web analytics, attribution partners, CDPs).

• Improving campaign decision-making through attribution, incrementality, and media mix modelling.

• Partnering with Data Science to build predictive models (LTV, churn).

• Owning and refining marketing forecast models for budget and performance planning.

• Using statistical analysis to optimise testing methodologies and outcomes.

• Developing best practice, transparent reporting, and actionable insights.

• Managing stakeholders across the business to improve marketing decisions.

• Building strong cross-functional relationships to promote a data-driven culture.

• Working with Data Engineering to manage data requirements and ensure quality deliverables.

Candidate Profile

Background

• Ideally from gaming, but open to e-commerce, ad-tech, or subscription/dating apps.

• Must have a strong B2C focus.

Experience

• Proven track record in marketing analytics.

• Comfortable leading and mentoring others.

• Strong stakeholder management and presentation skills.

• Line management experience (desirable but not essential).

Technical Skills

• SQL (essential).

• Power BI / Looker.

• Data visualisation expertise (Snowflake desirable).

• Knowledge of attribution, forecasting, incrementality testing, MMM, LTV/churn modelling (advantageous).

Package & Benefits

• ~£80k base salary + 10% bonus.

• Private healthcare (including dental).

• 6% pension contribution.

• Life insurance + employee assistance programme.

• Enhanced family leave.

• 25 days holiday + bank holidays (buy/sell option).

• Flexible working hours.

Interview Process

1. 1st stage: Zoom interview with senior marketing leadership.

2. 2nd stage: Take-home task + panel presentation.

3. 3rd stage: Final interview with executive team.

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