ML & AI Engineer
City of London / £400 - £500 day
INFO
£400 - £500
LOCATION
City of London
Contract
Senior ML & AI Backend Engineer - Big Data, LLMs & MLOps
About the Role
We're an ambitious, fast-moving tech company developing next-generation solutions at the intersection of advanced Machine Learning, Big Data, and Large Language Models (LLMs). We're looking for a hands-on Senior ML & AI Backend Engineer to design and build the robust backend systems that make our AI products possible. If you thrive in lean, collaborative teams and want your work to have a direct, tangible impact, this is the place for you.
What You'll Do
Architect and implement scalable backend systems powering ML models and LLMs in production.
Design, build, and maintain end-to-end ML pipelines, championing MLOps best practices for deployment, monitoring, and iteration.
Develop solutions for big data storage and processing, ensuring data quality, security, and efficiency.
Integrate and optimize both classical ML models and LLMs for real-world use cases.
Research and experiment with state-of-the-art algorithms, tools, and frameworks - bringing fresh ideas from prototype to production.
Collaborate closely with a cross-functional team of data scientists, engineers, and product stakeholders.
Write clean, maintainable, well-tested code and help set engineering best practices.
Diagnose and resolve complex technical challenges in big data and ML systems.
About You
You're fluent in Python and experienced with leading ML/AI frameworks (PyTorch, TensorFlow, Scikit-learn, Hugging Face).
You have a solid background in MLOps: experiment tracking, CI/CD for ML, model versioning, deployment, and monitoring.
You've built scalable backend systems and APIs (RESTful/GraphQL), with solid experience in microservices and databases (SQL/NoSQL).
You know your way around big data tools (Spark, Dask) and orchestration (Airflow, DBT).
You understand NLP and have experience working with Large Language Models.
You're cloud-savvy (AWS, GCP, or Azure) and comfortable with containerization (Docker, Kubernetes).
You have strong problem-solving and communication skills and enjoy working on open-ended technical challenges.
Bonus points if you've fine-tuned LLMs, worked with real-time data streaming, or contributed to open-source ML projects.
Why You'll Love It Here
Direct influence on impactful products and cutting-edge ML/AI systems.
Work with a tight-knit, collaborative team where your ideas matter.
Opportunity to grow fast alongside a growing company.
CONTACT
SIMILAR
JOB RESULTS
Chief AI Engineer
New York
$300000 - $350000
+ Data Science & AI
PermanentNew York
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Chief AI Engineer – AdTech
New York, New York – 4 days onsite
$300,000 – $350,000 + bonus + equity
THE COMPANY
Harnham is partnering with a new client that builds AI platforms which enhance performance by delivering real-time relevance at critical points in the customer journey. Using intelligent systems and a global digital commerce framework, the platform powers high-volume interactions between millions of users and major brands. Following a significant valuation increase in early 2025, they are expanding rapidly across international markets, particularly in AI. The AI engineering team builds scalable, data-driven solutions that personalize user experiences and equip marketers with actionable insights, all while working with large-scale infrastructure and diverse technologies.
RESPONSIBILITIES
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Work closely with product managers and engineers to align on business goals, define machine learning challenges, and design effective ML solutions.
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Develop and deploy machine learning models, including building data pipelines, orchestrating ML workflows, and optimizing system performance and reliability.
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Maintain a robust codebase by writing well-tested code, covering both functional and non-functional aspects such as unit, integration, and load testing.
-
Stay informed on industry trends and advancements in deep learning, experiment with new model concepts, and run both offline and online evaluations.
-
Actively share knowledge through internal presentations, tech talks, and by promoting best practices in engineering and technology use.
SKILLS AND EXPERIENCE
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Advanced degree (Master’s or PhD) in Computer Science, Machine Learning or a related field.
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Over 10 years of hands-on experience developing and deploying production-ready machine learning systems, covering the full model lifecycle-training, tuning, deployment, serving, and monitoring.
- Advertising experinece with real-time bidding, auction models, dynamic pricing, recommendation engines, multi-armed bandits and causal inference techniques preferred.
-
Expertise in cloud infrastructure (especially AWS), machine learning orchestration tools like Kubeflow, TensorFlow, and the use of Feature Stores in live environments.
-
Experience scaling out MLE teams as tech lead or manager preferred.
- Commercial experience combination of big tech and scaling startups a plus.
BENEFITS
The compensation package contains a base salary, a bonus, and a comprehensive benefits package.
HOW TO APPLY
Please register your interest by sending your CV via the Apply link on this page.
KEY TERMS
Artificial Intelligence | Generative AI | GenAI | Machine Learning | ML Engineer | Engineering | Deployment | Production | Real Time Bidding | Auction | Statistics | Mathematics | AdTech | Advertising | Python | Recommendation Engine | Recommender System | Personalization | Bespoke | Target Audience
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Lead Data Scientist – Fintech
Toronto
$200000 - $225000
+ Data Science & AI
PermanentCanada
To Apply for this Job Click Here
Lead Data Scientist – Fintech
$200,000-$225,000 + bonus + benefits
Remote
About the Organization
Join a global financial services company delivering intelligent information and technology solutions to professionals in legal, tax, compliance, and corporate sectors. The team is part of the organization’s innovation hub, focused on applying AI, LLM, and data science to create forward-looking tools.
The environment combines the best of both worlds: startup energy with enterprise support. Projects include building agentic systems to automate tax prep and document summarization for legal and financial workflows.
About the Role
This is a tech-lead, model building / development-focused role-ideal for someone with a strong foundation in applied NLP research and a passion for making machine learning work in the real world. You’ll own experiments, iterate on PoCs, and help define how ML models are built for in production environments.
What You’ll Bring
- 5+ years of machine learning and NLP modeling experience in applied research and production environments
- PhD in Computer Science, Computational Linguistics, Statistics or similar highly preferred
- Technical leadership experience required; direct people management a plus
- Experience with LLMs and agents for financial services, legal or compliance
- Background in: NLP: Named Entity Recognition / NER, information extraction, and information retrieval
- Cloud environments (provider-agnostic), AWS or GCP a plus
- Python, PyTorch, TensorFlow, Hugging Face, BERT, RAG experience preferred
- Publication and patent history a plus
- Strong collaboration and communication skills, including experience working with non-technical stakeholders
- Independent problem-solver with a proactive mindset
Preferred Experience
- Technical leadership on NLP products
- Experience delivering LLM-based solutions
- Familiarity with all stages of the AI product lifecycle
- Startup or fast-paced innovation environment experience
HOW TO APPLY
Please register your interest by sending your résumé to Tim Jonas via the Apply link on this page.
KEYWORDS
Machine Learning | GenAI | Gen AI | Generative AI | LLMs | Large Language Models | Artificial Intelligence | Applied Research | Production | AI | Artificial Intelligence | Publications | Patents | PyTorch | Python | Deployment | Hugging Face | RAG | Retreival Augmented Generation | Agents | NLP | Natural Language Processing | Chatbots | NER | Information Extraction | Information Retrieval
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Technical Programme Manager
London
£500 - £560
+ Advanced Analytics & Marketing Insights
ContractLondon
To Apply for this Job Click Here
Technical Programme Manager
Location: Hybrid – 1-2 days onsite weekly (Germany or Spain)
Contract Length: 6 months initially (with potential 3-month extensions and permanent option)
Day Rate: £500-560pd (Outside IR35)
Start Date: Immediate
Overview
You’ll play a pivotal role in ensuring the successful ingestion of 500+ data sets into Snowflake, coordinating sprint-based delivery, managing cross-border teams, and maintaining high-quality communication with senior stakeholders across Data, IT, Compliance, and Change.
Key Responsibilities
-
Oversee phased ingestion of 500+ data sources into the client’s Snowflake environment
-
Liaise between offshore engineering teams (based in Bangalore) and EU client stakeholders
-
Monitor delivery timelines, report progress, flag risks, and ensure quality governance
-
Work across multi-disciplinary teams including data, compliance, change, and technology
-
Maintain momentum in delivery while ensuring stakeholder expectations are managed
-
Support issue identification and help shape future data opportunities within the platform
What Success Looks Like
-
Timely and accurate delivery of phased ingestion milestones
-
Strong stakeholder alignment and minimal delivery blockers
-
High-quality programme oversight across offshore/onshore boundaries
-
Ability to push back where necessary and steer project direction assertively
-
Foundation laid for long-term partnership and potential expansion of programme scope
Required Skills & Experience
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Proven experience as a Programme or Delivery Manager on data-centric programmes
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Solid understanding of data ingestion processes and Snowflake data warehousing
-
Familiarity with AWS Glue, S3, DBT, SnapLogic, PySpark (not hands-on, but able to converse technically)
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Strong governance and delivery background in a data/tech environment
-
Excellent communication and stakeholder management skills (must be assertive)
-
Pharma industry experience highly desirable
Preferred Background
-
Experience working with offshore delivery models (especially India-based teams)
-
Previous technical background (engineering or data) advantageous
-
Consulting or third-party delivery background a plus
To Apply for this Job Click Here
Business Analyst
London
£300 - £410
+ Advanced Analytics & Marketing Insights
ContractLondon
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Business Analyst – Contract
Location: Remote (Occasional London travel – once a month)
Contract Length: 6-9 months (Extension or permanent option available)
Day Rate: £350-410pd
Start Date: Flexible – ideally mid-August
Overview
We are seeking an experienced Business Analyst to support a consultancy client with one of their customers. This is a new opportunity driven by client demand and project expansion. The ideal candidate will have a strong mix of business analysis experience, data profiling expertise, and stakeholder management skills. You will need experience working on customer journeys or digital projects.
Key Responsibilities
- Manage and deliver 2-3 internal and/or client-facing data projects simultaneously
- Liaise directly with clients to gather requirements, document use cases, and map processes
- Work hands-on with new data sets – profiling and documenting data transformation requirements
- Create clear and precise documentation to support an India-based development team
- Collaborate with project stakeholders, developers, and senior business partners
- Support successful project delivery through clear communication and proactive issue resolution
What Success Looks Like
- Delivery of well-documented, high-quality analysis and data transformation requirements
- Positive engagement with stakeholders, particularly in challenging or ambiguous situations
- Contribution to successful scaling and ongoing client engagement
- Demonstrated self-sufficiency and initiative in managing workload and timelines
Required Skills & Experience
- Strong experience in business analysis across digital and data-driven projects
- Hands-on skills in:
- SQL (for querying)
- Power BI (visualization and reporting)
- Data modelling concepts – logical models, normalization, data cleansing (descriptive, not technical)
- Excellent communication and stakeholder management skills
Preferred Background
- Previous consulting experience (Big 4 or boutique firms) is highly desirable
- Experience with customer journey or digital projects is a strong plus
- Proven ability to work effectively with offshore delivery teams
- Ability to self-manage and proactively identify project risks or opportunities
To Apply for this Job Click Here
CRM Insight Analyst
Birmingham
£35000 - £43000
+ Advanced Analytics & Marketing Insights
PermanentBirmingham, West Midlands
To Apply for this Job Click Here
CRM Insights Analyst
Up to £43,000
Hybrid – Birmingham (2x days per week)
THE CLIENT
An exciting opportunity to join a leading organisation in the travel industry.
THE ROLE
In this position, you will deliver insights and analysis on campaign performance, customer segmentation, and audience targeting-all aimed at increasing customer reach and engagement frequency.
SKILLS
Strong experience as a CRM Insight Analyst
Proficiency in SQL
Experience with Python, data visualisation tools, and Google Analytics 4 is a plus.
APPLY
To express your interest, send an email or apply below.
To Apply for this Job Click Here
AI Engineer
Newcastle upon Tyne
£70000 - £75000
+ Data Science & AI
PermanentNewcastle upon Tyne, Tyne and Wear
To Apply for this Job Click Here
AI Engineer
Location: Remote-First (UK Based)
Salary: £70,000
The Role
I’m working with a start up company who are are looking to hire an AI Engineer to help design and deploy LLM-powered tools. You’ll prototype and build end-to-end systems that extract and act on data from diverse document types using LLMs, RAG pipelines, and agent-based reasoning.
Experience Required
- Strong Python engineering skills and experience with AI tooling
- Experience building and deploying microservices (FastAPI, Kubernetes)
- Familiarity with CI/CD pipelines and modern software practices
- Background in document extraction and reasoning (LLMs, RAG, agents)
- Exposure to multimodal data (text, images, structured)
- MLOps, model monitoring, and rapid prototyping (Streamlit, Dash, etc.)
- 3-4+ years in software or ML engineering roles
The Interview Process
- Intro chat with Lead Data Scientist
- Take-home technical challenge – Focused on structuring AI software
- Final stage interview – Deep dive with the wider team
To Apply for this Job Click Here
Technical Business Analyst
City of London
£400 - £410
+ Advanced Analytics & Marketing Insights
ContractCity of London, London
To Apply for this Job Click Here
TECHNICAL BUSINESS ANALYST
£410 PER DAY OUTSIDE IR35
MOSTLY REMOTE – OCCASIONAL ONSITE TRAVEL (LONDON)
6-9 MONTH CONTRACT
THE COMPANY:
A consultancy focused exclusively on data is looking to expand its team to support their clients manage, cleanse, and optimise their data for digital transformation.
THE ROLE:
As a Technical Business Analyst, your key responsibilities will include:
- Managing 2-3 data projects concurrently with an existing client.
- Liaising with business stakeholders to gather detailed requirements.
- Producing clear and structured documentation for offshore development teams.
- Working closely with a team of analysts and an offshore team.
- Profiling and analysing data sets in the second phase of delivery.
YOUR SKILLS AND EXPERIENCE:
The successful Technical Business Analyst will have:
- Strong skills in SQL (comfortable querying complex data sets).
- Working knowledge of Power BI (mainly understanding, not report building).
- Experience working on digital customer projects focusing on customer journey.
- Experience in data modelling, and data cleansing.
- A background in profiling data and ensuring data quality.
- Confidence in dealing with challenging stakeholders.
- Prior consultancy experience (Big 4 ideally).
HOW TO APPLY:
Please register your interest by sending your CV to Mojola Coker via the apply link on this page.
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Technical Programme Manager
London
£500 - £560
+ Advanced Analytics & Marketing Insights
ContractLondon
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TECHNICAL PROGRAMME MANAGER – DATA INGESTION (PHARMA / SNOWFLAKE)
UP TO £560 PER DAY
HYBRID (1/2 DAYS PER WEEK IN SPAIN & GERMANY)
6 MONTHS
THE COMPANY:
A global data and analytics consultancy are delivering a large-scale data ingestion programme for a leading pharmaceutical client.
THE ROLE:
As a Technical Programme Manager, your key responsibilities will include:
- Leading client engagement and delivery governance for the data ingestion workstream.
- Acting as the bridge between offshore engineering teams (India) and European stakeholders (Germany/Spain).
- Overseeing ingestion of 500+ data sets into the client’s Snowflake environment.
- Driving delivery oversight, issue/risk management, and programme direction.
YOUR SKILLS AND EXPERIENCE:
The successful Technical Programme Manager will have:
- Strong programme or project management background in data engineering or data platform environments.
- Experience working with Snowflake, AWS (S3, Glue), DBT, SnapLogic, and PySpark.
- A background in the pharmaceutical industry.
- Proven success in managing distributed/offshore teams and client-side stakeholders.
- Excellent communication and stakeholder management skills, with an assertive and proactive delivery mindset.
- Experience in managing large-scale ingestion or migration projects is highly desirable.
HOW TO APPLY:
Please register your interest by sending your CV to Mojola Coker via the apply link on this page.
To Apply for this Job Click Here
Head of Commercial Analytics
London
£125000 - £135000
+ Advanced Analytics & Marketing Insights
PermanentLondon
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
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Own and lead analytics across pricing, promotions, customer behavior, and trading performance
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Partner closely with Strategy, Commercial, and Marketing to drive revenue and market share growth
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Identify and action opportunities across core and emerging customer segments
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Develop experienced senior managers while remaining close to the most business-critical analytical work
What We’re Looking For
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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
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£135,000 base salary
-
Discretionary bonus
-
Full benefits package
Interview Process
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Intro interview with Analytics Director
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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 Marketing Analyst (SaaS & Marketplace)
London
£55000 - £70000
+ Advanced Analytics & Marketing Insights
PermanentLondon
To Apply for this Job Click Here
Senior Marketing Analyst – SaaS & Marketplace | £70,000 + Benefits | Hybrid (2x/week in Central London Office)
Industry-Leading Tech Platform | High-Growth, International Team
An innovative and fast-scaling tech platform is hiring multiple Senior Analyst to join their expanding analytics team. Operating across both B2B SaaS and B2C Marketplace models, the business connects customers with service providers across multiple European markets and processes over 1 million bookings monthly.
As a Senior Analyst, you’ll play a key role in using data to drive business decisions, working closely with product managers, engineers, and senior stakeholders (including the CFO). You’ll be uncovering insights that fuel product development, customer growth, and commercial strategy.
What you’ll do:
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Lead analytical deep-dives to identify trends, opportunities, and areas for optimisation
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Deliver clear, actionable insights that influence high-level business decisions
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Projects may include customer segmentation, cohort analysis, CLV modelling, pricing strategy, and product funnel performance
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Present findings to senior stakeholders and help define next steps
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Improve profitability and efficiency across user journeys – both customer and partner side
⚙️ Tools & Environment:
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SQL, Redshift, Looker
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Collaborative product-focused teams, embedded in a modern data stack
What we’re looking for:
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Solid experience in analytics or data roles within a fast-paced tech or product environment
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Strong commercial awareness and ability to drive decisions with data
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Excellent communication and stakeholder engagement skills
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Curious mindset and hands-on approach to solving complex business problems
Offer:
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£70,000 base salary + comprehensive benefits
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Hybrid work – 2 days/week in Central London office
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Join an international team of 800+ in a mission-driven business with European reach
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High visibility and genuine impact on company growth
If you’re a data-driven problem-solver who enjoys working across product, marketing, and commercial teams – this is your chance to shape the future of a high-growth platform.
Apply now to learn more.
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Senior Web Product Manager (Digital)
London
£40000 - £50000
+ Advanced Analytics & Marketing Insights
PermanentLondon
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Senior Web Product Manager – Global Education Group
Salary: Up to £50,000
Location: Hybrid – 4 days per week in Central London
Are you a strategic, hands-on digital leader with a passion for optimisation, experimentation, and data-driven growth?
A high-growth global education group is seeking a Senior Web Product Manager to lead the ongoing development of its unified web platform, supporting 100+ premium international schools. With a recent consolidation into a single Drupal CMS, the next phase focuses on innovation, CRO, SEO, UX, and AI-driven automation.
What You’ll Do
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Own and evolve a large-scale, multi-site web platform across a diverse international portfolio.
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Lead UX and feature innovation through testing, analysis, and user insight.
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Drive CRO experiments from hypothesis to insight, optimising lead generation and user engagement.
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Partner closely with in-house SEO specialists to drive organic growth and performance.
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Collaborate with marketing, IT, and regional stakeholders to translate business needs into digital excellence.
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Explore and implement AI and automation tools to improve efficiency and performance.
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Manage vendors, budgets, and platform operations, ensuring high performance, uptime, and compliance.
About You
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Proven experience managing complex web platforms
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Analytical and technically confident, with a CRO and UX-focused mindset.
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Solid understanding of SEO and user behaviour principles.
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Comfortable managing small teams and collaborating across functions.
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Outcome-oriented, with a bias toward experimentation and data-driven decision making.
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Experience with AI tools or digital automation is a strong bonus.
Why Join?
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Be part of a fast-moving, high-growth organisation with a global footprint.
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Influence the digital experience of thousands of families across the world.
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Collaborate with a high-performing, cross-functional digital team.
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Shape the future of digital education in a premium, international context.
Find out more and apply via the link below !!!
To Apply for this Job Click Here
Data Insights Analyst
Wallingford
£45000 - £55000
+ Advanced Analytics & Marketing Insights
PermanentWallingford, Oxfordshire
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Data Insights Analyst
Up to £55,000 | Hybrid – 3 Days in Oxfordshire
A rapidly scaling e-commerce and logistics company is looking for a Data Insights Analyst to help shape the future of its customer experience and commercial strategy. With sustainability and tech innovation at its core, the business operates multiple online brands and is one of the largest third-party sellers on global marketplaces.
The Role
This is a high-impact, hands-on analytics role focused on driving smarter decision-making across marketing, product, and customer experience teams. You’ll work closely with stakeholders to uncover behavioural trends, improve digital performance, and develop data-led strategies that support business growth.
Key Responsibilities:
-
Analyse customer journeys, engagement patterns, and conversion funnels to identify opportunities for UX and performance improvement
-
Support development of personalisation and recommendation engines
-
Optimise paid traffic performance across channels like Google Ads and Shopping
-
Deliver insights that enhance retention, loyalty, and repeat purchase behaviour
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Perform deep-dive analysis using large datasets (customer, product, marketing, transactional)
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Contribute to the creation of a Single Customer View across brands
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Collaborate with tech teams to ensure clean data pipelines and reliable tracking
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Present findings to non-technical stakeholders and influence strategic decisions at senior levels
-
Continuously test, iterate, and refine data-driven hypotheses to support experimentation
About You
-
A few years’ experience in data, analytics, or insights roles – ideally in e-commerce or online consumer behaviour
-
Strong skills in SQL, Excel, and/or BigQuery (or similar tools)
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Clear communicator with the ability to translate data into actionable stories
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Commercially minded – you focus on business impact, not just analysis
-
Proactive, curious, and comfortable working with autonomy in a fast-paced environment
Ready to make your mark in a data-driven, digital-first business?
Apply now and help shape the customer experience for a company at the forefront of online retail innovation.
To Apply for this Job Click Here
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