AI Engineer/ Machine Learning Engineer
London / £400 - £650 day
INFO
£400 - £650
LOCATION
London
Contract
Project Focus:
- Objective: Predict the success of marketing content (images, videos, and text) before campaigns go live using multi-modal AI models.
- Method:
- Apply customer research (survey/NLP data) alongside computer vision and text models.
- Build models that can take a new creative (image, video, or ad copy) and predict its expected performance.
- Reduce reliance on traditional lengthy A/B testing by using pre-testing AI models.
- Provide detailed post-campaign insights, including content attributes that worked (or didn't) for different audience segments (e.g., high spenders).
- Backtesting:
- AI models should be able to simulate performance against historical data to validate predictions.
- Models should also score new content (ads/videos/copy) before it is launched.
1. Multi-Modal AI Expertise
- Ability to work with images, video, and text data simultaneously.
- Experience building or applying multi-modal models (e.g., combining visual and textual inputs).
- Ideally familiar with OpenAI CLIP or similar vision-language models.
- Should know how to adapt and apply open-source AI models to real-world data (not just academic familiarity).
- Computer vision: Practical knowledge - but not traditional CV (e.g., object detection) - focus is on newer multimodal models.
- NLP: Able to process and leverage customer research data (e.g., surveys, text responses).
- Strong coding skills - must be a programmer at heart, not just a "tool user."
- Solid background in statistics and mathematics to build reliable, explainable models.
- Should understand model evaluation, backtesting, and simulation of campaign performance.
- Build models that:
- Predict creative success for new ads, videos, and text.
- Backtest models using historical data.
- Score and provide insights into what aspects of content perform best.
CONTACT
SIMILAR
JOB RESULTS
Lead Credit Risk Analyst
London
£60000 - £80000
+ Risk Analytics
PermanentLondon
To Apply for this Job Click Here
LEAD CREDIT RISK ANALYST
UP TO £80,000 + STOCK
LONDON
A top FinTech in the UK that Harnham have been partnered with for some time now are on the search for a Senior/Lead Strategy Analyst for edit risk function. This position is a great opportunity to join a fast-growing business.
THE COMPANY
This profitable FinTech are known for being one of the top lending analytics companies in the UK offering unsecured products for consumers. Experience at a company like this is second to none and invaluable for any candidate’s CV.
THE ROLE
The role will involve working on a consumer lending product across the credit risk lifecycle
You can expect to be involved in the following day to day:
- Oversee analysis, development and improvement for credit strategies
- Work across commercial and pricing strategies alongside credit risk analytics
- Wide scoping role involved analytics, strategy development and some model building
- Be very hands on with data
SKILLS AND EXPERIENCE
- Experience working in credit risk analytics
- Experience analysing data and documenting trends to drive insight
- Strong commercial mindset
- Strong SQL skills – Python ideal too
- Experience working for a top FinTech is ideal
- A strong university degree in a numerate discipline – will need to be a top degree in STEM
SALARY AND BENEFITS
- Up to £80,000 base salary
- Stock
- Private Healthcare
HOW TO APPLY
Please register your interest by sending your CV to Shane McWilliams via the Apply link on this page.
To Apply for this Job Click Here
Digital Merchandiser
Birmingham
£30000 - £35000
+ Digital Analytics
PermanentBirmingham, West Midlands
To Apply for this Job Click Here
Digital Merchandiser
Birmingham (Hybrid)
£30,000-£35,000
THE COMPANY
A well-known retailer is seeking a Digital Merchandiser to join their team!
THE ROLE
As the Digital Merchandiser, you will be responsible for ensuring all products are correctly placed and positioned across the business’ digital estate. You will work on category optimisation in conjunction with internal analytics and external CRO teams.
YOUR SKILLS AND EXPERIENCE
- Digital / Online Merchandising Experience
THE BENEFITS
- £30,000-£35,000
HOW TO APPLY
Please register your interest by sending your CV to Adam Osborne at Harnham via the Apply link on this page
KEY TERMS
IBM, Coremetrics, Google Analytics, GA, Omniture, SiteCatalyst, Adobe Analytics, Analyst, Web, Digital, Online, Website, Financial Services, Finance, A/B, Test, Split, Multivariate, MVT, Tracking, Code, Tagging, Tags, Insight, Client, Agency, Management, Strategy, CRO, Conversion, Optimisation, Optimizely, Test and Target, Adobe Target, Maxymiser, VWO, Visual Website Optimiser
To Apply for this Job Click Here
CRO Lead
£35000 - £40000
+ Digital Analytics
PermanentLancashire
To Apply for this Job Click Here
CRO Lead
Lancashire (Hybrid)
£35,000-£40,000
THE COMPANY
Great opportunity for an ambitious CRO Lead looking for a new challenge with a high-end luxury retailer; if you want to work on innovative digital projects for a fast-growing company, this is the role for you!
THE ROLE
In this CRO Lead role, you’ll have the chance to ideate & and analyse split tests, working across a range of digital platforms; you will use GA4, ContentSquare & AB Tasty
YOUR SKILLS AND EXPERIENCE
- Experience in the CRO/Analytics space
THE BENEFITS
- £35,000-£40,000
HOW TO APPLY
Please register your interest by sending your CV to Adam Osborne at Harnham via the Apply link on this page
KEY TERMS
IBM, Coremetrics, Google Analytics, GA, Omniture, SiteCatalyst, Adobe Analytics, Analyst, Web, Digital, Online, Website, Financial Services, Finance, A/B, Test, Split, Multivariate, MVT, Tracking, Code, Tagging, Tags, Insight, Client, Agency, Management, Strategy, CRO, Conversion, Optimisation, Optimizely, Test and Target, Adobe Target, Maxymiser, VWO, Visual Website Optimiser
To Apply for this Job Click Here
Senior Data Scientist / Machine Learning Engineer
London
£140000 - £160000
+ Data Science & AI
ContractLondon
To Apply for this Job Click Here
Contract Senior Data Scientist / ML Engineer
£600-800/day | Outside IR35 | Hybrid (Central London, 2 days/week)
We’re working with a specialist consultancy delivering high-impact machine learning solutions to private equity-backed businesses. They are looking for an experienced Data Scientist or ML Engineer to support a live project, applying classical machine learning to solve tangible, high-value problems.
You will be joining a small, collaborative team of engineers and data scientists on-site 2 days per week in Central London.
The work focuses on traditional ML use cases, such as:
-
Optimisation modelling to improve manufacturing throughput
-
Predictive modelling to anticipate and reduce asset downtime
-
Customer churn prediction and mitigation
-
Next-best-action modelling for sales agents
-
Geospatial modelling to inform store and asset placement decisions
Must-Have Requirements:
-
3-5+ years’ experience applying classical ML in commercial settings
-
Excellent Python coding skills (production-grade, using libraries like Pandas, NumPy, scikit-learn)
-
Strong understanding of supervised and unsupervised learning methods (regression, classification, clustering, tree-based models, etc.)
-
Comfortable working across the full ML lifecycle
-
Previous exposure to ambiguous or evolving problem spaces, ideally within consulting or client-facing environments
- Experience with AWS / Azure and SageMaker
-
Clear and confident communicator, able to contribute to client conversations and work collaboratively with delivery teams
-
Degree from a top university in a quantitative discipline (Master’s preferred)
-
Based in London and able to attend the client site 2 x per week.
Nice-to-Haves:
-
Experience with geospatial modelling, time series forecasting, or operational optimisation
-
DBT
Interviews are taking place this week. Start ASAP.
Please email
To Apply for this Job Click Here
Multi-Modal AI Specilist
London
£100000 - £135000
+ Data Science & AI
ContractLondon
To Apply for this Job Click Here
Contract – Multi-Modal AI Specialist (OpenAI CLIP) | Up to £650/day | Outside IR35 | Hybrid/Remote
We’re working with a leading global agency supporting a major financial services client on an innovative AI initiative. The project aims to predict the performance of creative campaigns before they go live, replacing traditional A/B testing with pre-launch modelling that leverages multi-modal data (images, video, and text) and customer research.
This is a hands-on contract role for a technically strong machine learning specialist with experience applying OpenAI CLIP. Using historical data, you’ll use open-source models to assess campaign creative and help deliver insights at both content and audience levels.
Key responsibilities:
-
Apply OpenAI CLIP or similar models to campaign imagery, video content, and customer research (e.g., surveys)
-
Build models that simulate campaign performance using historical data (backtesting)
-
Pre-test creative content, score ad copy, and identify attributes driving success
-
Work with customer data (NLP) and translate insights into model features
-
Deliver post-campaign breakdowns by audience segment (e.g., high-value customers)
Must-have technical skills:
-
Proven experience with OpenAI CLIP (essential)
-
Strong track record with multi-modal AI (image, video, text)
-
Solid Python programming skills
-
Deep understanding of statistics and model evaluation
-
Comfortable working with NLP and customer research data
Contract details:
-
Day rate: Up to £650/day
-
Outside IR35
-
Initial office-based onboarding (1 week), then mostly remote
-
3-month contract with potential to extend
-
Fast interview process: 30-min intro + 1-hour technical
Please send your CV if interested.
To Apply for this Job Click Here
AI Engineer/ Machine Learning Engineer
London
£400 - £650
+ Computer Vision
ContractLondon
To Apply for this Job Click Here
Project Focus:
- Objective: Predict the success of marketing content (images, videos, and text) before campaigns go live using multi-modal AI models.
- Method:
- Apply customer research (survey/NLP data) alongside computer vision and text models.
- Build models that can take a new creative (image, video, or ad copy) and predict its expected performance.
- Reduce reliance on traditional lengthy A/B testing by using pre-testing AI models.
- Provide detailed post-campaign insights, including content attributes that worked (or didn’t) for different audience segments (e.g., high spenders).
- Backtesting:
- AI models should be able to simulate performance against historical data to validate predictions.
- Models should also score new content (ads/videos/copy) before it is launched.
Key Technical Requirements:
1. Multi-Modal AI Expertise
- Ability to work with images, video, and text data simultaneously.
- Experience building or applying multi-modal models (e.g., combining visual and textual inputs).
2. Experience with Open-Source Models
- Ideally familiar with OpenAI CLIP or similar vision-language models.
- Should know how to adapt and apply open-source AI models to real-world data (not just academic familiarity).
3. Computer Vision and NLP Skills
- Computer vision: Practical knowledge – but not traditional CV (e.g., object detection) – focus is on newer multimodal models.
- NLP: Able to process and leverage customer research data (e.g., surveys, text responses).
4. Programming and Statistical Foundation
- Strong coding skills – must be a programmer at heart, not just a “tool user.”
- Solid background in statistics and mathematics to build reliable, explainable models.
- Should understand model evaluation, backtesting, and simulation of campaign performance.
5. Content Performance Modeling
- Build models that:
- Predict creative success for new ads, videos, and text.
- Backtest models using historical data.
- Score and provide insights into what aspects of content perform best.
To Apply for this Job Click Here
CTO (Software Engineering)
Manchester
£130000 - £150000
+ Data Engineering
PermanentManchester, Greater Manchester
To Apply for this Job Click Here
CTO (Software Engineering)
£130,000-£150,000 + BENEFITS
PRIMARILY REMOTE
Join a fast-growing EdTech company on a mission to provide an engaging educational platform worldwide.
THE COMPANY:
This startup has quickly gained traction and is scaling rapidly yet sustainably.. Their vision is to create an engaging learning platform, and this is an exciting opportunity to join a team building something impactful.
THE ROLE:
A CTO will need to look at:
- Defining and implementing the tech vision.
- Managing a growing team
- Architect scalable solutions
- Focus on optimising current pipelines
- Maintaining a balancebetween strategic leadership and being hands on.
YOUR SKILLS AND EXPERIENCE:
A successful CTO will have the following skills and experience:
- Full Stack/Engineering leadership experience
- Scale up/Start up experience
- Experience in MERN: MongoDB, Express.js, React, Node.js
THE BENEFITS:
You will receive a salary, dependent on experience. Salary is up to £150,000 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
CTO
Manchester
£100000 - £140000
+ Data Engineering
PermanentManchester, Greater Manchester
To Apply for this Job Click Here
Chief Technology Officer (CTO)
This company specialising in the education sector is looking for a visionary CTO to help scale their platform and shape their next phase of growth.
The Role
As CTO, you’ll provide strategic leadership, scale their engineering function, and optimize platform performance. You’ll inherit a talented team of 3 engineers and be expected to mentor, guide, and architect for scale.
This is a hands-off coding leadership role-but you’ll still do code reviews, architecture planning, and guide technical decisions.
Tech Stack
- MERN: MongoDB, Express (Java), React, Node.js
- Simple and scalable
- Focused on speed, stability, and continuous improvement
About You
- Experience in fullstack engineering work
- Leadership experience
- Have scaled platforms in startups or early-stage companies
- MERN experience strongly preferred
- Naturally curious, sparky, and collaborative
- Strong communicator and mentor
- Passionate about education and product vision
What You’ll Be Doing
- Drive platform scalability and performance
- Lead and grow the engineering team
- Set tech vision in line with business goals
- Champion product quality and engineering culture
- Collaborate closely with the CEO, CPO, and wider team of designers, educators, and animators
Interview Process:
- 15-min intro with CPO
- 45-min deep dive with CEO (scalability & vision)
- 90-day high-level strategy presentation
- Meet the team!
To Apply for this Job Click Here
Business Development Director
London
£80000 - £120000
+ Advanced Analytics & Marketing Insights
PermanentLondon
To Apply for this Job Click Here
BUSINESS DEVELOPMENT DIRECTOR – LONDON
UP TO £120,000
THE COMPANY
We are working with a high growth Market Research Agency on a Director level BD hire.
THE ROLE
The successful Business Development Director responsibilities will include:
- New business – Outbound sales campaigns, targeting key segments, creating compelling content
- Writing proposals and inputting into research work
- Main focus will be corporates and non-profits – Selling the likes of reputation tracking or public opinion segmentation work, public opinion analysis
YOUR SKILLS AND EXPERIENCE
The successful Business Development Director will have the following skills and experience:
- Experience in securing clients and account development
- BD experience within market research
- Experience within Research e.g. RE, SRE, RM, AD, D
THE BENEFITS
The successful Business Development Director will receive a salary of up to £120,000, plus an array of additional benefits.
HOW TO APPLY:
Please register your interest by sending your CV to Harry Mincer via the apply link below.
To Apply for this Job Click Here
Insight Analyst
Sheffield
£55000 - £80000
+ Advanced Analytics & Marketing Insights
PermanentSheffield, South Yorkshire
To Apply for this Job Click Here
Data Insight Analyst – Sheffield
About the Role:
We’re seeking a data-savvy and commercially minded analyst to join our Growth team. You’ll play a key role in driving revenue performance through deep customer insights, strategic analysis, and collaboration across marketing, product, and operations.
Key Responsibilities:
-
Develop and maintain customer segmentation models for both B2C and B2B audiences, using a mix of qualitative and quantitative inputs to identify high-value customer cohorts and unlock new growth opportunities.
-
Examine customer retention patterns and dealership engagement metrics, delivering actionable insights to the growth, product, and sales teams.
-
Partner with CRM and underwriting teams to elevate personalisation strategies, reduce customer churn, and improve customer lifetime value.
-
Collaborate with PR and social media teams to assess industry dynamics, financing trends, and consumer sentiment to surface untapped revenue streams.
-
Evaluate the effectiveness of online and offline marketing initiatives, recommend budget reallocations, and track key performance indicators like CAC, ROI, and LTV to enhance marketing ROI.
To Apply for this Job Click Here
BD Director (Research & Insights)
London
£80000 - £120000
+ Advanced Analytics & Marketing Insights
PermanentLondon
To Apply for this Job Click Here
Business Development Director – Strategic Insights & Research | £80-120k + Equity | London (Hybrid)
Join a fast-growing tech-powered research firm that’s redefining how leading global brands, non-profits, and institutions understand public opinion. Backed by a cutting-edge data platform and with work featured in outlets like The Economist and FT, we’re helping the world’s most influential organisations make smarter decisions.
We’re seeking a driven Business Development Director to lead new business efforts, shape go-to-market strategies, and build long-term relationships with clients like global corporates, think tanks, and major foundations.
What you’ll be doing:
-
Driving outbound BD campaigns and building strategic growth plans
-
Leading the full sales cycle – from pitch to close
-
Writing compelling proposals and helping shape research design
-
Securing 10+ face-to-face meetings per week with key decision-makers
-
Growing existing accounts and nurturing C-suite relationships
-
Collaborating closely with Research, Marketing & Content teams
What we’re looking for:
-
Proven BD track record in full-service market research (agency side ideal)
-
Strong grasp of public opinion, reputation, comms or policy research
-
Confident in both new business hunting and account growth
-
Experience working with non-profits, public affairs or corporate comms clients
-
Comfortable meeting in-office 4 days/week in London and engaging clients face-to-face
Package:
-
£80,000-£120,000 salary
-
0.1-0.3% equity
-
High-ownership role in a well-backed, high-visibility team
Find out more and apply via the link below !!!
To Apply for this Job Click Here
Technical Customer Digital Analyst
London
£35000 - £45000
+ Digital Analytics
PermanentLondon
To Apply for this Job Click Here
Job Title: Technical Customer Digital Analyst
Location: WFH 3x a week (Office for remaining 2 days)
Salary: £45k + £3k on-target bonus
No sponsorship available
Company Overview:
Join one of the largest global health & beauty retailers, with a strong presence in both Asia and Europe. The company operates a vast network of stores across multiple markets and is home to several well-known subsidiary brands.
Role Overview:
The Customer Digital Analyst role will focus on providing insights to drive the online customer journey, using your expertise in Google Analytics (GA4). Reporting directly to the Customer Digital Analytics Lead, you will work within a dynamic team that supports various business units across the company. This position requires an individual with a commercial mindset, strong technical skills in analytics tools, and the ability to deliver actionable insights to multiple stakeholders.
Key Responsibilities:
- Analyze the onsite customer journey and provide insights into website performance, sales, and transactions.
- Leverage GA4 for auditing, implementation, and reporting, becoming the go-to expert for the tool.
- Produce data visualizations using tools such as Power BI, Tableau, or Looker.
- Conduct A/B testing and offer recommendations to optimize digital experiences.
- Engage confidently with stakeholders, presenting findings and making strategic recommendations.
- Stay updated with trends in eCommerce and retail, understanding the dynamics of different markets and customer segments.
Essential Skills & Experience:
- GA4 Expertise: Strong experience in auditing, implementing, and analyzing GA4 data.
- Data Visualization: Proficient with tools like Power BI, Tableau, or Looker.
- A/B Testing: Knowledge of or experience with A/B testing and providing actionable insights.
- Stakeholder Engagement: Proven ability to engage with stakeholders, presenting insights and recommendations clearly.
- Curiosity & Commercial Mindset: Demonstrated curiosity about eCommerce, with a focus on business growth.
Desirable Skills & Experience:
- Experience working with retail or eCommerce industries.
- Familiarity with app analytics and digital channels.
- Technical experience in GA4, Data Visualisation and A/B testing
- Strong experience with SQL
The Benefits:
- Up to £45,000 + benefits
- Hybrid
- London
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
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