The Data And AI Podcast

This podcast will cover a range of topics such as finding data talent, and AI training. We will also discuss more advanced subjects like assessing the value of your data team, identifying biases in AI and addressing pay gaps in Data and AI.

Latest Episodes

Data and ai podcast: All Episodes

Dive deep into the world of AI, data, and analytics

Episode 19: How AI Innovation & Hiring Are Evolving Hand in Hand

Exclusive! Harnham to 15,000: The Shift to Personalisation

Episode 18: Beyond the Numbers: Humanising Your Customer Data

Episode 17: Bridging the Consumer Experience Gap: What Brands Get Wrong

Episode 16: The Past, Present, and Future of Experimentation

Episode 15: Utilising Data for Market Fit

Episode 14: Geospatial Analytics – Past, Present and Future

Episode 13: Democratising Data

Episode 12: How to Build and Retain High-Performing Analytics Teams

Episode 11: Leading with a People-First Approach: Navigating Growth in Data and AI

Episode 10: From Payday Lending to AI: Navigating the Credit Risk Landscape

Episode 9: The State and Future of AI

Episode 8: The Next Data Wave: Emerging Trends in Data Management and Governance

Episode 7: Futurecast: Skillsets, Decisions, and the Role of AI

Episode 6: Getting Into the Data Industry Without a STEM Degree

Episode 5: Diversity Equity & Inclusion – How Data Leaders Can Take Action

Episode 4 – Key Findings from Harnham’s 2023 US Data & AI Salary Guide

Episode 3: Key Findings from Harnham’s 2023 UK Data & AI Salary Guide

Episode 2 – Data Literacy (with Waseem Ali & David Reed)

Episode 1 – Quantifying the Benefit of Data (with Waseem Ali & Craig Civil)

Data Recruitment & AI Talent Solutions

JOIN THE HARNHAM TEAM

LATEST HARNHAM
OPPORTUNITIES

Welcome to a recruitment journey like no other. At Harnham, we're always interested in finding the right people to join our team.

 

Front-End Developer

Loughborough

£45000 - £50000

+ Data Engineering

Permanent
Loughborough, Leicestershire

To Apply for this Job Click Here

Location: Loughborough – 1 day in office every 6 weeks (mostly remote)
Salary: £50,000
Sponsorship: Not specified

We are looking for a skilled Front-End Developer to join a fast-growing, VC-backed deep-tech university spin-out focused on transforming transport data intelligence through cutting-edge agentic AI. This role offers the chance to lead front-end development on a cutting-edge platform used by leading city authorities and transport operators globally, working closely with AI experts and back-end developers.

Key Responsibilities:

  • Lead front-end development using React and Tailwind CSS

  • Collaborate with back-end developers integrating Node.js APIs and AI services built in Python

  • Deliver an intuitive, responsive, and visually appealing user experience

  • Contribute to front-end architecture and technology decisions

  • Work in an agile environment to rapidly iterate on features and respond to user feedback

What We’re Looking For:

  • 2-5 years professional front-end development experience with strong React expertise

  • Proficiency in Tailwind CSS or similar utility-first frameworks

  • Solid understanding of modern front-end development practices and tooling

  • Experience with RESTful APIs, WebSockets, and modern testing methodologies

  • Familiarity with AWS cloud platforms is a plus

  • Knowledge of Python is highly desirable to collaborate with the AI team

  • Comfortable working independently in early-stage, fast-paced environments

  • Strategic thinker with entrepreneurial spirit and excellent communication skills

To Apply for this Job Click Here

Senior Full Stack Engineer

London

£70000 - £130000

+ Data Engineering

Permanent
London

To Apply for this Job Click Here

Role: Senior Full Stack Developer
Location: London, Liverpool Street – 5 days onsite
Salary: up to £130,000

We are seeking two experienced Full Stack Developers to join a London-based investment management firm specialising in sports trading. With a team of 50-60 people and a highly autonomous, flexible, and collaborative culture, this rapidly growing company trades globally across multiple sports including football, cricket, and US sports. The technical team of 20 is expanding, and these roles offer a chance to work on innovative predictive models to forecast sporting event outcomes.

Key Responsibilities:

  • Develop and maintain predictive models using strong mathematical and statistical knowledge

  • Work with C#/.NET backend and JavaScript front-end frameworks such as React

  • Apply network programming expertise (TCP/UDP) and Windows technologies

  • Collaborate in a high-autonomy, cross-functional environment

What We’re Looking For:

  • 5+ years professional experience in software development, ideally with a quantitative or mathematical background

  • Proficiency in C#, .NET, and modern JavaScript frameworks (React preferred)

  • Experience with distributed version control systems (Git, PlasticSCM, Mercurial, etc.)

  • Strong problem-solving skills with the ability to master complex concepts

  • Good tenure in previous roles and a professional work ethic (non-smokers preferred)

  • Interest in sports is a bonus but not essential

If you’re ready to join a highly respected firm with strong culture and cutting-edge challenges, please send your CV to Callum.

To Apply for this Job Click Here

.NET Developer

£45000 - £50000

+ Data Engineering

Permanent
Oxfordshire

To Apply for this Job Click Here

Role: .NET Developer
Location: Oxford (Hybrid – 3 days per week in office)
Salary: £50,000 + Benefits including Learning & Development plans

We are seeking a skilled .NET Developer to join a growing team supporting a fast-paced eCommerce platform and warehouse fulfilment operations. This is a key role working alongside the Group Technology Director and a small UK team, mentoring junior developers, writing and reviewing code, and helping transition legacy systems to modern AWS-powered solutions.

Projects include pricing analytics for competitive pricing, streamlining warehouse processes, and expanding product offerings across multiple sales channels.

Key Responsibilities:

  • Develop and maintain eCommerce and warehouse fulfilment systems

  • Mentor and coach junior developers

  • Write, review, and document code within a fast-paced environment with limited legacy documentation

  • Support CI/CD pipelines and devops practices

What We’re Looking For:

  • 3+ years professional experience with .NET, SQL databases, AWS, Docker, and CI/CD pipelines

  • Strong problem-solving skills and autonomous working style

  • Experience or interest in eCommerce is a plus

  • Familiarity with devops best practices and AWS certification is desirable but not essential

  • Comfortable working in a hybrid environment in Oxford

Interview Process:

  • Tech test (take-home or in-person, includes AI detection, 1 hour)

  • Meeting with Group Technology Director focusing on agile ways of working, culture, and team fit (1 hour)

To Apply for this Job Click Here

.Net Developer

£45000 - £50000

+ Data Engineering

Permanent
Oxfordshire

To Apply for this Job Click Here

.NET DEVELOPER
OXFORDSHIRE – 3 DAYS IN OFFICE
£50,000 + BENEFITS

Are you a skilled .NET Developer looking to make a tangible impact at a fast-growing, sustainable business? This is an exciting opportunity to join a small, dynamic UK-based team, focusing on building innovative tools that drive revenue and streamline operations for a prominent online retailer.

THE COMPANY:

Our client is a group of companies specializing in logistics and online retail, with a strong focus on sustainability. Their portfolio includes a distinctive product business committed to rescuing over 500,000 used products weekly, diverting them from landfills. The company’s unique model allows customers to access millions of titles while funding literacy programs with every purchase. With significant turnover and ambitious growth plans, our client is a forward-thinking group that builds all its tools in-house.

THE ROLE:

As a .NET Developer, you will be an integral part of a small UK-based development team, working directly with the Head of Software Engineering. Your primary focus will be on high-impact projects that generate revenue and streamline operations for the online book retailer, moving away from legacy systems.

Key projects include:

  • Developing pricing analytics technology to optimize book pricing and enhance competitiveness.
  • Creating a system to improve warehouse efficiency, enabling immediate dispatch of books and reducing storage time.
  • Building a new platform to expand the sales of valuable antique books.
  • You will be responsible for writing clean code, conducting code reviews, and contributing to the overall architecture. This role requires someone who is autonomous, can solve problems independently, and is comfortable mentoring junior team members.

YOUR SKILLS AND EXPERIENCE:

  • Strong proficiency in .NET and SQL databases.
  • Experience with or a keen interest in AWS.
  • A demonstrated ability to solve complex problems and work autonomously.
  • Strong skills in writing and reviewing code.

HOW TO APPLY:

Please send your CV via the Apply link on this page.

To Apply for this Job Click Here

Frontend Developer

£45000 - £50000

+ Data Engineering

Permanent
England

To Apply for this Job Click Here

FRONTEND DEVELOPER
FULLY REMOTE
£50,000 + BENEFITS

Are you a talented Frontend Developer with a passion for building intuitive, data-rich user interfaces? This is a unique opportunity to join an innovative AI company at the forefront of urban mobility, helping to transform complex traffic data into actionable intelligence for cities.

THE COMPANY:

Our client has developed a groundbreaking AI platform, which leverages cutting-edge technology to tackle the complexities of urban mobility. Akin to a ChatGPT for city transport, the platform transforms vast amounts of urban data into clear, predictive analytics. Its mission is to empower city authorities to manage transport effectively and enhance the public’s journey experience, contributing to smarter, more sustainable cities.

THE ROLE:

As a Frontend Developer, you will shape the user experience of the AI platform. You’ll build the core user interface and bring complex data visualizations to life, ensuring the platform is both powerful and intuitive.

Working closely with a dedicated designer, you’ll focus on geospatial data using technologies like deck.gl. While primarily a frontend role (70-80%), there’s an opportunity to contribute to the backend (20-30%) using Python and Node.js. This is ideal for a developer passionate about creating user-friendly interfaces that solve real-world problems.

YOUR SKILLS AND EXPERIENCE:

  • React: Strong, proven experience is a core requirement.
  • Data & Analytics Platforms: Experience working on data products with a focus on visualization.
  • Collaboration: Experience working closely with a designer.
  • Geospatial Tools: Familiarity with libraries like deck.gl.

HOW TO APPLY:
Please send your CV via the Apply link on this page.

To Apply for this Job Click Here

Senior Product Analyst

London

£75000 - £85000

+ Advanced Analytics & Marketing Insights

Permanent
London

To Apply for this Job Click Here

Senior Product Analyst

Up to £85,000 + benefits

Hybrid – London

A leading fundraising platform is seeking a Senior Product Analyst to join their growing team. This innovative business blends exciting prize draws with charitable giving, offering customers the chance to win luxury prizes while raising money for charity. With an evolving product suite, including a new app, you’ll play a key role in shaping the future of the platform.

The Role

As a Senior Product Analyst, you’ll work closely with the product team to improve the website and app, analyzing user behavior, testing new ideas, and driving product strategy. This role offers the chance to make an impact by influencing customer retention and product performance, with plenty of room for creativity and innovation.

Key Responsibilities

  • Lead A/B testing and experimentation to optimize product features and customer flows

  • Analyze customer data to identify trends, improve app usage, and drive retention

  • Collaborate with product managers and engineers to shape new propositions and features

  • Use SQL to analyze large datasets, testing hypotheses, and generating insights

  • Support pricing tests and assess product performance against business goals

  • Help iterate on the website and app, continuously improving user experience

What We’re Looking For

  • 4+ years of experience in product analytics, with a strong focus on A/B testing and SQL

  • Strong SQL fluency (window functions a bonus)

  • Commercial acumen – understanding how product decisions impact metrics like lifetime value

  • Creativity and strategic thinking – the ability to generate new ideas based on data insights

  • Experience working cross-functionally with product, engineering, and analytics teams

  • Strong problem-solving skills and the ability to break down complex issues

The Offer

  • £75,000 – £85,000 base salary

  • Stock options

  • 9% pension contribution

  • 30 days holiday + bank holidays

  • Hybrid working (3 days in Holborn office)

Interview Process

  1. Initial recruiter screen

  2. Technical interview (SQL, experimentation, and problem-solving)

  3. In-depth discussion of past experience and cultural fit

  4. Final interview with Head of Growth – discussing the business model and your potential role

To Apply for this Job Click Here

Databricks Engineer

London

£450 - £550

+ Data Engineering

Contract
London

To Apply for this Job Click Here

DATABRICKS ENGINEER

6-MONTH CONTRACT


£450-£550 PER DAY (OUTSIDE IR35)

This role is a great opportunity for a skilled Databricks Engineer to join a data-driven financial services firm undergoing a major transformation of their data infrastructure. You’ll be a key player in modernising their data platform with Databricks and Azure, while supporting scalable data pipelines and machine learning workflows.


THE COMPANY

This business is investing heavily in data as it digitises operations across its risk, product, and customer intelligence teams. They’re building a modern Lakehouse architecture using Databricks, Delta Lake, and Azure Data Lake. You’ll be part of a collaborative, forward-thinking team with a focus on best practices, automation, and end-to-end data enablement.


THE ROLE

You’ll work closely with Data Engineers, Scientists, and Architects to design, build, and optimise core data pipelines on Databricks. Your focus will be on enabling analytics and machine learning at scale, using best-in-class tools across the Azure stack.

Your responsibilities will include:

  • Designing and deploying ETL pipelines using PySpark and Delta Lake on Databricks.

  • Supporting the deployment and operationalisation of ML models with MLflow and Databricks Workflows.

  • Building out reusable data products and feature stores for data science teams.

  • Tuning performance across clusters, jobs, and workflows.

  • Migrating legacy systems (SSIS/SQL) to Databricks and cloud-native tools.

  • Collaborating with data scientists, analysts, and product teams to improve data usability and performance.


KEY SKILLS AND REQUIREMENTS

  • Advanced experience with Databricks, Delta Lake, and PySpark.

  • Strong background in data engineering and distributed processing.

  • Hands-on knowledge of Azure Data Lake, Data Factory, or similar orchestration tools.

  • Experience with ML model deployment, preferably using MLflow or similar tools.

  • Proficient in SQL, Python, and cloud-based data pipelines.

  • Comfortable in fast-paced, agile delivery environments.


DESIRABLE SKILLS

  • Experience building or integrating feature stores.

  • Familiarity with Unity Catalog, Databricks SQL, and cost optimisation.

  • Exposure to MLOps practices and production-grade model lifecycle management.

  • Prior experience in financial services or other regulated sectors.


HOW TO APPLY

Please register your interest by sending your CV via the apply link on this page. For more information, feel free to reach out directly.

To Apply for this Job Click Here

Senior Software Engineer – Data & Infrastructure

City of London

£450 - £550

+ Data Engineering

Contract
City of London, London

To Apply for this Job Click Here

SOFTWARE ENGINEER – DATA & ML INFRASTRUCTURE

6-MONTH CONTRACT


£450-£550 PER DAY (OUTSIDE IR35)

This role offers a great opportunity for a Software Engineer to join a high-performing data function building out infrastructure for cutting-edge ML and LLM use cases. You’ll work closely with Data Engineers and Data Scientists to design clean, production-ready systems that support model training, fine-tuning, and deployment. The environment values autonomy, quality, and technical curiosity, with the freedom to shape best practices in a fast-scaling ML context.


THE COMPANY

This is a tech-forward business investing heavily in AI and machine learning, with a focus on scalable systems and real-world impact. With a modern data platform already in place, they’re now scaling up their ML/LLM capabilities and need a strong software engineer to help operationalise model development workflows. You’ll be joining a collaborative, cross-functional team working at pace to solve complex technical challenges.


THE ROLE

You’ll sit at the intersection of data and machine learning, building services and tooling that bridge raw data with production-grade ML pipelines. From preparing high-quality training data to designing APIs for model inference, you’ll help enable the full lifecycle of ML and LLM deployment.

Your responsibilities will include:

  • Building backend services and APIs to support data preparation and model training workflows.

  • Collaborating with Data Scientists and Engineers to streamline LLM/ML experimentation and deployment.

  • Implementing tools for dataset validation, monitoring, and reproducibility.

  • Supporting the development of real-time and batch inference pipelines.

  • Contributing to the scalability, efficiency, and reliability of ML infrastructure.


KEY SKILLS AND REQUIREMENTS

  • Strong experience in Python, Java, or Scala for backend development.

  • Solid understanding of data processing and engineering workflows.

  • Experience building APIs or services to support data or ML applications.

  • Familiarity with ML model lifecycle and tooling (e.g. MLflow, Airflow, Docker).

  • Strong problem-solving skills and the ability to work autonomously in a dynamic environment.


DESIRABLE SKILLS

  • Experience supporting LLM training or retrieval-augmented generation (RAG).

  • Familiarity with feature stores, vector databases, or embedding pipelines.

  • Understanding of data quality, lineage, and governance best practices.

  • Exposure to cloud platforms (AWS, Azure, or GCP) and distributed compute environments.

To Apply for this Job Click Here