data & AI
Diversity Report

GLOBAL
DIVERSITY GUIDE 2023 - 2024

Download a copy today and join us at one of our events, to get an overview and additional insight from the Harnham Team on the guide.

DIVERSITY GUIDES 2022

An in-depth look into diversity within Data & AI, we have been carrying out primary research for a number of years to create annual diversity guides.

Download our previous editions, which have given us unrivalled insight into where the industry currently stands in its push for a more representative workforce.

They are here to highlight where the industry can improve, how it can improve and to help make those improvements.

2022
DiDUS2022

USA DIVERSITY REPORT

Fundamentally, what you can do with your data and how useful it may be will hinge on its quality.

EuDID22

EU DIVERSITY REPORT

Fundamentally, what you can do with your data and how useful it may be will hinge on its quality.

UKDiD22

UK DIVERSITY REPORT

Fundamentally, what you can do with your data and how useful it may be will hinge on its quality.

2024 GUIDE

DOWNLOAD THE
DATA & AI SALARY GUIDE 2024

For the last 12 years, the world’s largest census of professionals, managers and leaders in the data space have come together to contribute to our crucial industry research and we’d love you to take part.

Data Engineer

London

£100000 - £110000

+ Data Engineering

Permanent
London

To Apply for this Job Click Here

DATA ENGINEER

LONDON

£110K + 100% BONUS

THE COMPANY

This global private equity investor focuses on transformative software and services businesses-backing companies that are changing the way the world works. With over 50 portfolio companies valued collectively at $150bn+, they’re behind one of the largest software portfolios globally. Their scale creates huge opportunity to drive value through data-empowering better decision-making and building next-generation of data products that will change the world.

THE ROLE

As a Data Engineer, you will play a pivotal role in designing and building scalable data solutions that directly influence both internal operations and value creation across a world-leading portfolio. This is a unique opportunity to work in a hands-on, high-impact role shaping greenfield data platforms and embedding data strategy within ambitious software businesses.

Specifically, you can expect to be involved in the following:

  • Designing and developing full-stack data pipelines and platforms using modern tools such as dbt, Airflow, and cloud infrastructure
  • Cleansing, enriching and modelling data to generate commercial insights and power C-level dashboards
  • Delivering scalable solutions that support internal use cases and extend directly to portfolio companies
  • Working on project-based data initiatives, including AI/ML integrations for predictive modelling and cloud-based productisation
  • Collaborating with commercial teams (RevOps, Finance, Sales) to turn messy data into meaningful business value
  • Building internal data products and helping define the next generation of services across the wider platform

SKILLS AND EXPERIENCE

The successful Data Engineer will have the following skills and experience:

  • 5+ years in data engineering, with experience in commercial environments
  • Proven ability to manage the full data lifecycle-from ingestion to transformation to delivery
  • Comfortable working closely with commercial functions (e.g. finance, sales) and building tools that serve business needs
  • Background in startups or scale-ups with high adaptability and a hands-on approach
  • Experience with modern data tools (e.g. dbt, Airflow, CI/CD) and at least one cloud platform (AWS, GCP, Azure)
  • Strong communication skills and a track record of credibility in high-pressure or client-facing settings

BENEFITS

The successful Data Engineer will receive the following benefits:

Salary up to £110k

Hybrid working model – 3 days a week in office

100% Bonus

30 days annual leave

Benefits package (pension, private medical, etc…)

HOW TO APPLY

Please register your interest by sending your resume/CV to Joana Alves via the Apply link on this page.

To Apply for this Job Click Here

Senior Customer Analyst (7-month FTC)

Watford

£50000 - £60000

+ Advanced Analytics & Marketing Insights

Permanent
Watford, Hertfordshire

To Apply for this Job Click Here

Senior Customer Analyst – FTC (7 Months) | Up to £60,000 + Bonus + Benefits
Location: Watford (2-3 days in office, flexible hybrid model)
Contract: Fixed-Term Contract (7 months)
Sector: Global Retail

A leading global retailer is seeking a Senior Customer Analyst to join a rapidly growing customer analytics team. With 4,500+ stores across 9 countries, this brand is best known in the UK and Europe for its off-price retail model, including a popular high-street fashion chain.

This is an exciting opportunity to join a fast-evolving analytics function, working on high-impact projects such as store clustering, customer segmentation, and retail sales drivers. You’ll play a key role in uncovering insights that inform strategy across marketing, customer loyalty, and performance.

What You’ll Do:

  • Own end-to-end analytical projects using SQL and customer data

  • Collaborate with stakeholders to deliver actionable insights

  • Present and communicate complex findings through compelling data storytelling

  • Contribute to the growth and maturity of a young analytics function

Core Skills:

  • 3+ years of advanced SQL experience (essential)

  • Strong data storytelling and stakeholder communication

  • Background in working with relational databases, customer data, and marketing/CRM functions

  • Familiarity with Python or R (advantageous)

  • Exposure to GA, email marketing analytics, or retail data (nice to have)

Who You Are:

  • Commercially minded and insight-driven

  • Proactive and comfortable working in a small, non-agile, high-collaboration team

  • Passionate about solving business problems with data

  • Able to work independently and hit the ground running

Why Join?

  • Flexible hybrid working (typically 2-3 days in-office, with emphasis on collaboration)

  • Up to 16% performance bonus + stock worth ~£32k + healthcare & more

  • Loyalty bonus after 3 years (if made permanent)

  • Office located directly opposite the station for easy commute

Interview Process:

  • 1st stage: Interview with the team

  • 2nd stage: SQL/insight-based task

  • Final stage: Sign-off conversation (if needed)

Apply via the link below !!!

To Apply for this Job Click Here

Senior Analytics Engineer

London

£85000 - £90000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Job Title: Senior Analytics Engineer
Location: London – Hybrid Working

We’re looking for a Senior Analytics Engineer to help shape the future of data at a major media organization. In this role, you’ll transform raw data into powerful, actionable insights through advanced data modeling and robust semantic layers. You’ll play a key role in scaling analytics infrastructure, optimizing pipelines, and mentoring fellow engineers.

Key Responsibilities:

  • Build and optimize data models across bronze to gold layers using dbt and Kimball methodology
  • Own and manage the semantic layer for BI tools like Looker and Power BI
  • Implement rigorous data quality and testing frameworks
  • Drive CI/CD practices with tools like GitHub Actions and Terraform
  • Lead technical decisions and mentor junior engineers
  • Collaborate across engineering, data science, and product teams to deliver business impact

Skills & Experience:

  • Expert in SQL, dbt, and cloud data warehouses (e.g., BigQuery, Redshift)
  • Strong experience with Airflow, Python, and multi-cloud environments (AWS/GCP)
  • Proven background in designing and scaling analytics solutions in agile environments
  • Proven experience as an Analytics Engineer

Nice to Have:

  • Experience with Looker or Power BI
  • Familiarity with Data Vault or advanced modeling techniques beyond Kimball

If you are interested in this role, please apply. To follow up please email me or message on LinkedIn.

To Apply for this Job Click Here

Digital Merchandising Executive – Contract

Leeds

£100 - £125

+ Digital Analytics

Contract
Leeds, West Yorkshire

To Apply for this Job Click Here

Digital Merchandising Executive – Contract
Healthcare Brand
Leeds – Hybrid
£100-£125 per day – Outside IR35

A leading healthcare provider is seeking a Digital Merchandising Executive to join their expanding ecommerce team on a contract basis. As a pioneer in the digital healthcare space, this organisation supports over a million patients nationwide.

You’ll be a key part of the digital trading team, supporting ecommerce activity across several consumer brands and digital healthcare platforms. This is a fast-paced, data-driven environment where your input will directly influence commercial outcomes and customer experience.

Role & Responsibilities:

  • Support merchandising across multiple online platforms
  • List new products and ensure timely delivery of product launches, promotions, and supplier campaigns
  • Optimise product pages with SEO-focused copy and engaging imagery in line with brand guidelines
  • Test and validate pricing, promotional codes, and product data for accuracy and consistency
  • Merchandising content across homepages and category pages aligned with marketing calendars
  • Collaborate with trading and marketing teams to ensure promotional and product priorities are reflected on site
  • Maintain product categorisation and taxonomy to ensure seamless user navigation
  • Report on ecommerce KPIs, search behaviour, and content effectiveness to guide decision-making
  • Benchmark competitors to identify opportunities in pricing, range, and merchandising tactics
  • Support the adoption of tools and tech (including AI) to enhance ecommerce processes and customer journeys

Skills & Experience:

  • Experience in digital merchandising, ecommerce, or digital marketing
  • Strong commercial mindset, with the ability to balance creativity and data-led decision-making
  • Confident with ecommerce platforms and CMS tools
  • Excellent attention to detail and written communication
  • Comfortable working both autonomously and collaboratively across teams
  • Proactive and adaptable with a continuous improvement mindset

Benefits

£100-£125 per day outside IR35, 3 month contract, Leeds (hybrid)

How to Apply

Register your interest by sending your CV to Lloyd Dunstall via the Apply link on this page

Digital Merchandising Executive / Digital / Merchandising / Healthcare / Online

To Apply for this Job Click Here

Head of Commercial Analytics

London

£125000 - £135000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Head of Commercial Analytics | £135,000 + Bonus + Equity

A leading global marketplace is hiring a Head of Commercial Analytics to steer strategic commercial performance and lead a high-impact analytics function across a highly competitive consumer sector in the UK.

The Role
You’ll oversee a senior team across Pricing, Trading, and Customer Analytics – using data to drive strategy, defend market share, and unlock growth opportunities. This is a commercial, P&L-focused role where analytics is central to decision-making and business performance.

Your Impact

  • Own and lead analytics across pricing, promotions, customer behavior, and trading performance

  • Partner closely with Strategy, Commercial, and Marketing to drive revenue and market share growth

  • Identify and action opportunities across core and emerging customer segments

  • Develop experienced senior managers while remaining close to the most business-critical analytical work

What We’re Looking For

  • Experience leading large, high-performing analytics teams (including managing other managers)

  • Deep commercial acumen – with a strong grip on pricing, trading, and end-to-end P&L performance

  • Marketplace/platform experience preferred

  • Experience across global or multi-region environments is a plus

Package

  • £135,000 base salary

  • Discretionary bonus

  • Full benefits package

Interview Process

  • Intro interview with Analytics Director

  • Case presentation with Strategy leadership

  • Final interview with the UK Managing Director

  • Ready to make a strategic impact at scale? Apply in confidence to learn more.

To Apply for this Job Click Here

Senior Data Scientist

London

£450 - £480

+ Data Science & AI

Contract
London

To Apply for this Job Click Here

Job Opportunity: Marketing & Data Science – Measurement & Modelling

Location: Hybrid (2 days per week in office for first month, flexible after)
Duration: 3 months initially
Rate: £450-480/day (Outside IR35)
Commute: 2 hours by train from Central London

Role Overview:
This role focuses on marketing effectiveness and data science in the retail industry, with a strong emphasis on email campaign measurement, incremental value, and experimentation. The main responsibilities include finalising the Marketing Mix Modelling (MMM) framework, completing the A/B testing framework, and automating marketing analytics processes. The ideal candidate will have experience in causal inference, MMM, and experimentation.

Key Responsibilities:

  • Finalising the MMM framework and modelling (70% complete)

  • Building out the A/B testing framework

  • Automating marketing analytics processes, particularly around experimentation

  • Handling complex data and working with incomplete data

  • Measuring campaign impact and refining marketing strategies

Tech Stack:

  • Core: Databricks, SQL, Python, PySpark

  • Nice to Have: R, dashboarding tools

Ideal Candidate:

  • 4-5 years of commercial experience in data science, preferably in an eCommerce or marketing analytics environment

  • Proven experience in causal inference, MMM, and experimentation

  • Strong communication skills and the ability to explain data-driven insights

Interview Process:

  • Stage 1: Technical assessment

  • Stage 2: Knowledge-based interview

To Apply for this Job Click Here

Junior Data Engineer

London

£35000 - £40000

+ Data Engineering

Permanent
London

To Apply for this Job Click Here

Role: Junior Data Engineer
Salary: £35,000 – £40,000 (up to £45,000 for the right candidate) + Discretionary Bonus
WFH: 5 Days/Week Onsite – South Kensington, London

Overview

Our client is a fast-growing intelligence and analytics firm specialising in global shipping and commodities. Their research team transforms complex maritime data into actionable insight for brokers and clients, powering commercial decisions with high-precision analytics and visualisation.

They are now hiring a Junior Data Engineer to join their engineering and research team. This is a graduate-level opportunity with no prior industry experience required. You’ll work side-by-side with experienced engineers and analysts on maintaining and modernising data infrastructure. The business is investing heavily in its platform over the next 12 months, offering significant career growth for curious and ambitious talent.

Key Responsibilities

  • Maintain and improve Python-based ETL pipelines (~60 currently in production)
  • Support the migration from on-premise to cloud-based SQL environments
  • Keep dashboards and reporting chartbooks (Power BI & PDFs) up to date
  • Implement basic data validation and quality controls
  • Manage version control and CI/CD workflows using Git
  • Contribute to internal documentation
  • Provide analytics support using Python when needed

Ideal Candidate

  • BSc in Computer Science or a closely related discipline (From Russell Group/Red Brick university)
  • Strong Python fundamentals
  • Basic SQL skills and familiarity with Git
  • Strong communicator, eager to learn, and naturally curious
  • Comfortable working across multiple business areas with varied responsibilities

Nice-to-Haves

  • Exposure to tools like Prefect, Airflow, or Dagster
  • Familiarity with Azure SQL, Snowflake, or dbt

Tech Stack / Tools

  • Python
  • SQL (on-prem + Azure SQL Data Warehouse)
  • Git

Benefits

  • £35,000 – £40,000 starting salary (up to £45,000 for the right candidate)
  • Discretionary annual bonus
  • Clear progression path as part of a growing central data function
  • New South Kensington office with top-tier facilities
  • Work closely with senior analysts and engineers
  • Daily learning opportunities in a collaborative, high-trust environment
  • Exposure to a variety of real-world datasets and commercial applications

Interview Process

  1. Introductory Chat (30 mins) – Culture and motivation
  2. Final Interview (Onsite) – Show and tell of past work + discussion around the role

To Apply for this Job Click Here

Digital Product Analyst

London

£40000 - £50000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Digital Product Analyst
Up to £50,000 + Benefits
Oxford Circus – 4 days a week in-office (Mondays & Fridays required – no flex)

We’re hiring for a fast-growing retail group that’s investing heavily in data and digital. With a major shift to Google Cloud now complete and a centralised analytics team in place, it’s an exciting time to join.

As a Digital Product Analyst, you’ll sit within the Product Analytics team – working closely with Product Managers, Developers, and Implementation teams to understand user behaviour, site performance, and optimisation opportunities.

What you’ll be doing:

  • Analysing user journeys and on-site performance

  • Supporting A/B testing and experimentation

  • Working with GA4 and SQL/BigQuery to build insights

  • Partnering with the GTM team on tracking and data quality

  • Contributing to product decisions with actionable data

What we’re looking for:

  • Experience in digital or product analytics (not marketing-focused)

  • GA4 or Adobe Analytics knowledge

  • SQL skills and some experience with BigQuery

  • Familiarity with GTM or similar tools

  • Comfortable working in a fast-paced, evolving environment

You’ll join a supportive, growing team where analytics plays a key role in business decisions – with lots of opportunities to learn and grow.

Interview process:

  • 30-min intro chat

  • 1-hour technical interview

  • Final face-to-face session with task – fast decisions

Apply now to help shape the future of digital in one of the UK’s biggest retail groups.

To Apply for this Job Click Here

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