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.

Machine Learning Engineer

London

£100000 - £150000

+ Data Science & AI

Permanent
London

To Apply for this Job Click Here

Machine Learning Engineer
London
£100,000-£150,000

An elite, high-growth investment firm with a global presence is looking to expand its Machine Learning team in London. With backing from major institutional capital and a strong track record in global macro strategies, the firm is scaling its data and AI capabilities to support ambitious growth plans.

This is a rare opportunity to take full ownership of the ML lifecycle in a highly selective, performance-driven environment. You’ll be joining a lean, technically advanced team working on some of the most complex forecasting and signal generation challenges in finance.

What You’ll Do:

  • Design and implement end-to-end ML workflows: data ingestion, model development, and deployment
  • Automate and optimize large-scale data pipelines
  • Develop forecasting and signal processing models tailored to macroeconomic data
  • Collaborate closely with investment professionals and data scientists
  • Contribute to the build-out of scalable ML infrastructure

What We’re Looking For:

  • Proven commercial experience doing hands-on ML, ideally in a fast-paced or startup environment
  • Proven track record working across the full ML lifecycle
  • Strong coding and data engineering skills
  • Background in finance, trading, or macroeconomic forecasting is essential
  • Experience deploying models into production environments

Why Join:

  • Exceptional autonomy and impact in a high-performing, well-capitalised firm
  • Exposure to cutting-edge macro trading strategies and unique data sets
  • Collaborative, entrepreneurial culture with a strong technical foundation
  • Significant growth potential as the firm continues to scale globally

This role is ideal for someone looking to apply their ML skills in a high-stakes, high-reward environment, where your work will directly influence investment decisions.

To Apply for this Job Click Here

Principal Econometrician

London

£60000 - £70000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Principal Econometrician
Location: West London (Hybrid – 3 days a week in the office)
Salary: Up to £70,000

Ready to make an impact in a dynamic, fast-paced environment? Join a leading media and entertainment brand and take on an exciting opportunity to drive the efficiency of marketing plans through advanced econometric insights.

Role Overview:
As a Principal Econometrician, you’ll play a pivotal role in delivering econometric projects that help optimize business decision-making. You’ll work with key stakeholders to ensure your insights translate into real-world decisions on budget allocations, media planning, and marketing efficiency. If you’re passionate about advanced statistical techniques, media planning, and optimizing commercial strategies, this role is for you.

Key Responsibilities:

  • Lead the delivery of econometric projects, ensuring alignment with key business goals and objectives
  • Drive the Cross-Portfolio Optimisation process, using econometric insights to inform budget allocations and marketing decisions
  • Collaborate with key stakeholders to integrate econometric findings into real-world business decisions
  • Partner with consumer strategy teams to enhance the department’s reputation and influence within the company
  • Lead the development of new techniques, tools, and processes to improve team efficiency, staying ahead of industry trends

Ideal Candidate:

  • Proven experience delivering econometrics projects with an established provider in the industry
  • Experience with sizing, allocating, and optimizing media investment decisions in a commercial context
  • Passion for using statistical techniques to convert data into actionable recommendations
  • Strong understanding of media planning and buying, and knowledge of how optimization techniques inform media strategies
  • Advanced Excel skills to manipulate data and optimize based on model parameters
  • Self-motivated with the ability to thrive in a fast-paced, dynamic environment
  • Experience in developing and upskilling econometrics teams to ensure the use of the latest tools and techniques
  • Excellent communication skills with experience delivering results and recommendations that impact commercial decision-making
  • Strong organizational and time management skills to manage multiple tasks and priorities effectively
  • Knowledge of Python is desirable

The Benefits:

  • Up to £70,000 + benefits
  • Hybrid
  • West London (x3 days a week)

How To Apply:

If interested in the role please send your CV to Jordan Victor via the Apply Link below

To Apply for this Job Click Here

Senior Data Analyst – Dating App

London

£50000 - £60000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Senior Data Analyst – Dating App

Location: London (Hybrid)
Salary: £55,000 – £60,000

We are looking for a Senior Data Analyst to join our fast-growing dating product team. In this role, you’ll drive insights that directly shape product strategy, user experience, and feature development.

Key Responsibilities

  • Own analysis of key dating funnel metrics (sign-ups, matches, retention, conversions).

  • Build dashboards to track engagement and performance across markets.

  • Design and analyse A/B tests to validate new product features.

  • Provide clear insights that influence product, marketing, and leadership decisions.

Ideal Candidate

  • 8+ years’ experience in data analytics, ideally in consumer apps or online platforms.

  • Proficiency in SQL, Python, and BI tools (Tableau, Looker, Power BI).

  • Experience working with subscription, engagement, or conversion funnel data.

  • Strong communicator, able to present complex findings in simple, actionable ways.

Find out more and apply via the link below.

To Apply for this Job Click Here

Senior Data Analyst

London

£45000 - £60000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Senior Data Analyst – London – £60,000 + Benefits
Hybrid (2-3 days/week in London office)

We’re working exclusively with a global leader in data and analytics, hiring a commercially minded Senior Data Analyst to help optimise how millions of survey responses are matched, priced, and delivered to some of the world’s biggest brands.

This is a high-impact, insight-driven role working across commercial, product, and data science teams to boost performance and revenue. You’ll reverse-engineer models, spot patterns in client and user behaviour, and bring creativity and curiosity to complex, real-world data problems.

What you’ll be working on:

  • Pricing and revenue optimisation across large-scale survey operations

  • Modelling client and user behaviour to improve performance

  • Clustering, regression, and exploratory analysis to uncover insights

  • Collaborating cross-functionally to influence decision-making

  • Working with Python, SQL, and moving into Azure

What they’re looking for:

  • 3-5+ years in analytics (media, ecommerce, or high-volume environments a bonus)

  • Confident communicator with strong stakeholder skills

  • Curious, commercial thinker who thrives in fast-paced settings

  • Strong skills in SQL and Python

London (2-3 days/week hybrid)
£60,000 base + full benefits (no bonus)
❌ No sponsorship available

Want to get involved? Drop your CV now – this is a fast-moving process.

To Apply for this Job Click Here

Senior Revenue Management Analyst

London

£45000 - £55000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Senior Revenue Management Analyst
£50,000-£55,000 + excellent rail benefits + final salary pension
Hybrid (2-3 days office-based, South East)

Are you commercially minded with a knack for data and a passion for turning insight into action? This is a great opportunity to join the commercial function of a major UK transport provider in a high-impact analytical role.

As a Senior Revenue Management Analyst, you’ll take ownership of a specific route and be responsible for monitoring, reporting on, and optimising revenue performance. This is a hands-on role combining regular analysis with strategic input and live decision-making.

What you’ll be doing:

  • Lead revenue management for a key route, making data-led decisions to optimise performance

  • Produce weekly route reports and industry-standard four-weekly reports for senior stakeholders

  • Monitor current sales and take real-time action where performance dips

  • Collaborate across teams to drive commercial strategy and support wider revenue initiatives

  • Use your insight to propose new ideas and influence future decisions

What we’re looking for:

  • Strong Excel skills and confidence working with large datasets

  • Willingness to learn and use a bespoke revenue management system (training provided)

  • Commercially aware, proactive, and comfortable making informed decisions

  • A team player who’s happy to support others when needed

  • Enthusiastic, detail-oriented, and curious – someone who wants to make an impact

Desirable (but not essential):

  • Experience in revenue management, pricing, transport, or regulated industries

  • A genuine interest in the rail sector and a desire to understand how it works

  • Exposure to forecasting, modelling, or working closely with finance teams

Why join?

  • Final salary pension scheme

  • Free rail travel on the network for you, your partner, and dependents

  • 75% discount on rail travel across the UK

  • A growing, data-focused commercial team making a real difference

  • Hybrid working with a collaborative and supportive team culture

Interview process:

  • Stage 1: 30-minute Teams interview (introductory and values-based)

  • Stage 2: In-person Excel/data task followed by a competency-based interview

If you’re ready to apply your analytical skills in a dynamic and meaningful environment, we’d love to hear from you.

To Apply for this Job Click Here

Senior Marketing Effectiveness Manager

Watford

£75000 - £85000

+ Advanced Analytics & Marketing Insights

Permanent
Watford, Hertfordshire

To Apply for this Job Click Here

Senior Marketing Effectiveness Manager (Maternity Cover) | £75,000-£85,000 + Bonus | Watford Junction | 12-month FTC

Are you a marketing analytics leader with a passion for driving marketing effectiveness through data-driven insights? A leading UK business is seeking a Senior Marketing Effectiveness Manager to join their team on a 12-month maternity cover.

You’ll lead a specialist team of econometricians and work closely with senior marketing, finance, and product stakeholders to optimise multi-million-pound marketing investments. This is a hands-on leadership role blending advanced econometrics with strategic commercial insight to influence key business decisions.

Whether you’re a deep-dive econometrics specialist or a broad marketing analytics generalist, your expertise in translating complex models into actionable marketing strategies will be critical.

Key requirements:

  • Proven experience managing marketing analytics or econometrics teams

  • Strong commercial focus with excellent stakeholder management skills

  • Hands-on expertise in SQL, Python, R and econometric modelling

  • Ability to drive marketing investment optimisation through data-driven recommendations

  • Experience working cross-functionally across finance, marketing, and analytics teams

Why apply?

  • Lead one of the largest marketing budgets in the UK

  • Influence strategic marketing investment decisions at senior levels

  • Opportunity to innovate and shape marketing measurement tools and processes

  • Flexible hybrid working (3 days onsite)

  • Competitive salary + bonus

If you’re ready to step into a senior leadership role and deliver measurable marketing impact, apply today.

To Apply for this Job Click Here

Data Engineer – Databricks

Leicester

£45000 - £50000

+ Data Engineering

Permanent
Leicester, Leicestershire

To Apply for this Job Click Here

DATA ENGINEER

Up to £50,000 + BENEFITS

HYBRID – Leicester

A leading company in the retail sector is looking for an experienced Data Engineer to join their central Operations & Data team and play a pivotal role in driving automation, scalability, and efficiency across third-party partner platforms.

THE COMPANY:

This business partners with major third-party platforms to maximise product visibility and sales. Their data team is at the heart of commercial operations, and they’re now investing in stronger engineering capabilities to automate manual processes and support real-time data flows.

THE ROLE:

A Data Engineer will need to:

  • Act as the knowledge hub for all product and sales data shared with third-party partners
  • Support the creation of dashboards that communicate insights clearly to stakeholders
  • Handle new and evolving partner data requirements
  • Troubleshoot issues such as product visibility or pricing discrepancies
  • Build and maintain ETL pipelines and APIs to streamline processes

YOUR SKILLS AND EXPERIENCE:

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

  • Strong experience with SQL
  • Proficiency in Python
  • Experience with Databricks
  • Bonus: knowledge of web scraping
  • Strong problem-solving mindset and ability to work with commercial stakeholders

THE BENEFITS:

You will receive a salary, dependent on experience. Salary is up to £50,000. On top of the salary, there are some fantastic extra benefits.

HOW TO APPLY

Please register your interest by sending your CV to Molly Bird via the apply link on this page.

To Apply for this Job Click Here

Analytics Engineer

London

£400 - £450

+ Data Engineering

Contract
London

To Apply for this Job Click Here

Analytics Engineer – 3-Month Contract | £440/day Onside IR35

We’re partnering with a growing organisation looking for an experienced Analytics Engineer to join their revenue management team on a 3-month contract. This is an exciting opportunity to lead the design and implementation of a cloud data warehouse, building on existing plans to streamline reporting and automate data workflows.

What you’ll do:

  • Collaborate with the analytics and engineering teams to set up a data warehouse using modern data modelling techniques, focusing on Kimball methodology and a Medallion architecture (bronze, silver, gold layers).

  • Develop and maintain DBT projects and configure incremental loads with built-in unit testing.

  • Support data pipeline orchestration with Airflow and work with AWS cloud tools.

  • Help deliver a production-ready Data Mart with star schema design to power business reporting and dashboards (PowerBI experience a plus).

Skills & Experience:

  • Strong SQL expertise and hands-on experience with DBT.

  • Familiarity with Kimball dimensional modelling concepts.

  • Experience working with cloud data warehouses such as Redshift or Snowflake.

  • Knowledge of Airflow for workflow management.

  • Comfortable in AWS environments and data orchestration.

  • Bonus: Python programming skills and familiarity with dashboarding tools.

Contract Details:

  • Duration: 3 months

  • Rate: £450/day onside IR35

  • Location: Hybrid, London-based with remote flexibility

  • Start: Ideally within 3 weeks, flexible up to late September

If you’re interested in shaping a key data initiative with a motivated team and delivering impactful analytics solutions, please get in touch.

To Apply for this Job Click Here

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Harnham is one of the leading data recruitment companies in the world, and we are dedicated to helping data professionals find their ideal data job.

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Whether you're seeking entry-level data analyst jobs or senior-level analytics jobs with top employers, we have the right opportunity for you. Search now to find the perfect selection of analytics jobs to match your technical skills and industry experience.

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