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Web Insight Analyst
Banbury, Outside IR35, £ 400 day rate, 3-month initial contract, Hybrid (3x a week on-site).

This is an opportunity to shape how a growing retail-focused organisation understands and acts on its data. You will play a key role in building clearer, more proactive insight across sales and marketing performance, helping stakeholders move from reactive reporting to automated, actionable intelligence.

The Company
They are a fast-paced business operating across retail and small business markets, with a strong focus on data-driven decision-making. The team is evolving its analytics capability to better understand customer behaviour, campaign performance, and sales trends. They are investing in improved tooling, automation, and insight generation to support commercial growth. You will work closely with both technical and non-technical stakeholders across the business.

The Role and Deliverables

• Analyse sales and marketing performance data to identify trends, anomalies, and areas for optimisation
• Develop a structured approach to monitoring performance, including flagging unusual patterns in product sales
• Investigate root causes of performance changes across traffic, conversion, and acquisition channels
• Translate data findings into clear, actionable insights for business stakeholders
• Support the move from manual reporting towards more automated analytics workflows
• Collaborate with internal teams to improve tracking, reporting processes, and data usage

Your Skills & Experience

• Strong experience working with GA4, SQL, Power BI, and BigQuery
• Ability to interrogate data and uncover underlying drivers of performance
• Comfortable communicating insights clearly to non-technical audiences
• Curious, proactive mindset with a focus on problem-solving
• Experience working within retail or small business environments
• Ability to balance technical analysis with storytelling and stakeholder engagement

How to Apply
If you are a curious and communicative analyst who enjoys turning data into meaningful business insight, please apply to learn more.

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AI Voice Engineer (Contract)
Fully Remote
£300-£560 Per Day
Outside IR35
Immediate Start
3 Months Initially

The Company
They are a well-established organisation operating within a regulated environment, focused on delivering better outcomes for their customers through technology. As part of a wider AI transformation programme, they have already seen strong success with voice AI solutions internationally and are now expanding these capabilities into the UK. The business is investing heavily in AI, with clear backing from senior leadership and a strong appetite for innovation. You will join a collaborative data and AI function with a focus on practical, scalable solutions.

The Role and Deliverables

• Design, build and optimise AI-powered voice agents for real-world customer interactions
• Develop and integrate voice pipelines using leading speech and conversational AI technologies
• Build robust Python-based services to support conversational workflows
• Improve voice latency, realism, reasoning capability and overall user experience
• Evaluate architectural approaches and recommend best practice for scalable voice AI deployment
• Define a long-term voice AI framework that balances performance, cost, compliance and customer outcomes

Your Skills & Experience

• Strong experience building production-grade AI voice or conversational AI systems
• Commercial experience with voice technologies such as Azure Voice, ElevenLabs, Deepgram or similar
• Excellent Python engineering capability in a production environment
• Experience working with real-time conversational systems and voice SDKs
• Strong understanding of speech-to-text, text-to-speech and LLM integrations
• Ability to challenge technical decisions and operate independently in a fast-moving environment
• Exposure to regulated industries or customer-facing AI solutions is beneficial

How to Apply
If you are interested in shaping the future of AI-driven voice solutions, apply now to learn more about this opportunity.

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This is a high-impact contract focused on shaping how an organisation packages and deploys knowledge across its teams using emerging AI capabilities. You will play a key role in rolling out reusable “skills” and prompt frameworks, helping to embed scalable AI ways of working across the business.

The Company
They are a data-led organisation investing heavily in applied AI to improve internal efficiency and client outcomes. With a growing focus on generative AI, they are standardising how knowledge is captured, structured and reused across teams. The business operates in a collaborative environment, bringing together analytics, engineering and business stakeholders. This project sits at the centre of their next phase of AI adoption and capability building.

The Role and Deliverables

• Lead the rollout of a structured “skills” framework, enabling reusable and shareable prompt-based assets across the organisation
• Design and implement the operating model for creating, maintaining and governing AI skills and super prompts
• Collaborate with business stakeholders, analysts and data engineers to drive alignment and adoption
• Apply experience with Claude skills and agent-based frameworks to shape scalable prompt and workflow design
• Establish best practices for prompt engineering, including the development and use of advanced super prompts
• Drive change management activity to embed new AI-enabled processes across multiple teams

Your Skills & Experience

• Strong experience operating as a senior analyst or similar, leading cross-functional initiatives
• Proven experience implementing agent skills using tools such as Claude, with a solid understanding of how skills frameworks are structured and deployed
• Hands-on experience designing and deploying super prompts or equivalent reusable prompt patterns
• Ability to codify business knowledge into structured, scalable AI artefacts
• Strong stakeholder management skills, with the ability to work independently and influence across teams
• Exposure to working alongside data engineering or AI teams in a delivery environment

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Web Analytics Insights Contractor
Retail Client
Oxfordshire
£350-£400 per day – Outside IR35

This is an opportunity to join a growing business at a pivotal stage in its data and analytics journey. With the foundations of tracking and reporting now in place, they are looking for a contractor who can turn data into meaningful insights, uncover the “why” behind performance, and shape how analytics drives decision making across the organisation.

The Company

They are a customer-focused, digitally driven organisation investing in their data capabilities to better understand performance and optimise the customer journey. Having recently established the technical analytics foundations, they are now evolving their function to focus on insight, interpretation, and storytelling. Data is becoming central to how they make decisions, and this role will play a key part in that transformation. You will be working alongside an existing technical analyst while helping define what a future analytics team could look like.

The Role and Deliverables

• Analyse web analytics data to identify drivers of performance, with a focus on understanding why changes in sales, traffic, and conversion occur
• Translate complex datasets into clear, actionable insights and narratives for stakeholders
• Investigate customer journey performance, highlighting opportunities across pages, channels, and conversion pathways
• Partner with the existing technical analytics contractor to turn tracking and reporting outputs into meaningful business insights
• Proactively explore data to surface trends, anomalies, and opportunities rather than waiting for defined queries
• Contribute to shaping how the analytics function should evolve, including ways of working and team structure

Your Skills & Experience

• Strong experience in web analytics and digital performance analysis across traffic, channels, and customer journeys
• Proven ability to interpret data and communicate insights clearly to non-technical stakeholders
• A curious and investigative mindset, with the ability to independently explore data and generate hypotheses
• Experience identifying drivers of performance such as conversion rate optimisation opportunities or traffic issues
• Confident working alongside technical teams, translating data outputs into commercial insights
• Strong communication skills, with the ability to tell compelling stories with data

How to Apply

If you are a commercially minded web analytics contractor who enjoys uncovering the “why” behind performance, please apply with your CV.

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GA4 Implementation Consultant
London, Part-time, Hybrid Working

This is an opportunity to play a key role in a high-impact digital analytics transformation. You will support a major platform migration, bringing clarity and confidence to how data is captured, validated, and used across the business. The engagement offers strong stakeholder exposure and the chance to shape best practice in a complex environment.

The Company
They are a consumer-focused business operating across both digital and physical channels, combining an engagement-led platform with retail capabilities. Data is central to how they understand customer behaviour, optimise performance, and make decisions. Following a period of organisational change, their analytics capability is lean, creating a clear need for specialist support during this migration.

The Role and Deliverables

• Lead on quality assurance of a new web analytics implementation during a platform migration
• Review documentation from an external implementation partner and validate tracking design
• Ensure tagging, tracking, and data layer structures are correctly configured
• Validate data flows into GA4 and ensure reporting reliability
• Translate technical outputs into clear business insights for stakeholders
• Provide an independent perspective and challenge existing approaches to improve accuracy and confidence in the data

Your Skills & Experience

• Strong hands-on experience with GA4 implementations and setup
• Proven expertise with Google Tag Manager across complex environments
• Experience supporting or leading analytics migrations between platforms
• Ability to review and QA third-party implementation work
• Confidence working across both technical tagging and stakeholder-facing communication
• Experience operating as a consultant, bringing independent judgement and clear recommendations

How to Apply
If you are a GA4 specialist with experience in complex implementations and enjoy bringing structure to high-visibility projects, please apply.

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Organisational Change Project Manager
London
Outside IR35
£350-£410 per day
Max 2 weeks notice

This is a delivery-focused contract for a small public sector company, delivering a change programme tied to a live service transition. You will take ownership of moving an established grant delivery function between two organisations while maintaining continuity, alongside shaping a new operating model for future delivery. This is a hands-on role with clear milestones, complex stakeholders, and immediate impact.

The Role and Deliverables

• Lead the migration of an existing grant delivery function and team from one organisation into a new operating structure, ensuring no disruption to live services.
• Manage end-to-end delivery of a defined project plan covering legal agreements, financial flows, governance, systems, and data ownership between two public sector entities.
• Oversee workforce transition activity, including staff transfer, consultation, and alignment of roles, working closely with HR and legal teams.
• Coordinate cross-functional workstreams including HR, legal, finance, IT, and data to deliver a fully operational service in the new structure.
• Develop a second project plan to stand up a new grant management function, including target operating model, governance, and delivery processes.
• Provide programme governance, including RAID management, reporting, and executive-level updates to senior stakeholders and board-level forums.

Your Skills & Experience

• Strong experience delivering organisational change tied to live service transitions or operating model redesign.
• Proven track record managing workforce change such as TUPE, restructures, or team migrations.
• Experience delivering programmes involving multiple organisations, governance structures, and senior stakeholders.
• Strong capability across programme planning, governance, risk management, and executive reporting.
• Experience working across HR, legal, finance, and operational teams to deliver end-to-end change.
• Confidence operating in politically sensitive or highly governed environments, ideally within the public sector.

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Head of Data Science

London
£700-£800 Per Day
Outside IR35
2 Days On Site
Immediate Start

The Company
They are a growing organisation that places data at the centre of decision-making. With a strong leadership commitment to analytics, they are investing in capability across data science, engineering, and AI. Their environment encourages innovation, experimentation, and cross-functional collaboration. You will join at a pivotal stage, with the chance to influence both strategy and execution.

The Role and Deliverables
* Define and execute the data science strategy, aligning with broader business objectives
* Build, mentor, and lead a high-performing data science team
* Oversee the development and deployment of machine learning models and advanced analytics solutions
* Partner with senior stakeholders to identify opportunities where data science can drive commercial impact
* Establish best practices for model development, validation, and governance
* Deliver measurable outcomes through scalable data science solutions and clear reporting of impact

Your Skills & Experience
* Strong experience leading data science teams and driving strategic initiatives
* Deep expertise in machine learning, statistical modelling, and advanced analytics techniques
* Proficiency in tools such as Python or R, and familiarity with modern data platforms
* Experience translating complex data insights into clear business recommendations
* Demonstrated ability to influence senior stakeholders and lead cross-functional collaboration
* A track record of delivering end-to-end data science projects in a commercial environment

How to Apply
If you are ready to take on a leadership role with real influence, apply now to learn more.

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Job Title
AI/ML Engineer: Multi Agent Analytics Platform

Intro Harnham
Harnham is partnering with an innovative organisation building next generation data products. We are looking for an experienced AI/ML Engineer to help deliver a production ready agent driven analytics platform.

Intro client
Our client is developing a cutting edge analytics system powered by large language models. The platform enables users to ask complex business questions in plain English and receive explainable, data backed insights in real time.

Role Details
Role: AI/ML Engineer
Location: Remote, Continental US-based
Pay: $70 to $80 per hour
Length: 12-month initial term with potential extension
Utilisation: 40 hours per week

Intro to role
This role sits at the intersection of machine learning, data engineering, and distributed systems. You will design and operate a network of AI agents that collaborate to query data, run analysis, and generate outputs such as reports and dashboards. You will own system quality end to end, ensuring results are accurate, traceable, and production ready.

Key Responsibilities

• Design multi agent workflows including planning, execution, and agent handoffs
• Build tools for data querying, validation, retrieval pipelines, and visualisation
• Develop evaluation frameworks with test datasets and automated grading systems
• Improve accuracy through guardrails, validation logic, and grounded data outputs
• Optimise performance for latency, cost, and system reliability
• Implement logging and observability for full traceability of agent behaviour

Requirements: Must have

• 5 plus years software engineering experience with 2 plus years in ML or LLM systems
• Strong Python skills and experience with LLM orchestration frameworks
• Experience with tool calling, retrieval augmented generation, and agent based patterns
• Hands on work with evaluation frameworks and observability for LLM systems
• Solid SQL and experience working with modern data warehouses
• Experience deploying and maintaining production systems

Nice to have

• Background in analytics or business intelligence workflows
• Experience with data governance and secure data handling

Outro
This is an opportunity to shape a high impact AI platform used for real business decisions. If you enjoy building reliable AI systems at scale, apply now.

We will not be engaging with third parties on this search. Please apply directly if you are a candidate interested in the role.

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AI/ML Engineer – Multi-Agent Data Analytics Platform

Harnham, the leading recruitment specialist in Data and AI, is currently partnering with a leading DTC Media Streaming firm that operates across the US.

• Role – ML/AI Engineer
• Location – Remote
• Pay – $70 – 80 per hour W2 ONLY
• Length – 6 months
• Utilization – 40 hours per week
• Benefits – 401K Match, Medical, Dentistry

As an AI/ML Engineer, you will be building an agentic analytics platform: a system of cooperating LLM-powered agents that query data sources, run analysis, generate visualizations, and turn natural-language questions into trustworthy, explainable answers. You will design, build, and operate both the agents and the infrastructure that ensures production reliability, working at the intersection of applied ML, distributed systems, and data analytics.

Key Responsibilities:

• Design and implement multi-agent workflows (planner/executor patterns, tool-calling, routing, memory, and handoff between specialized agents)
• Build and maintain tools agents rely on, including SQL generation and validation, data connectors, retrieval pipelines, visualization, and result verification
• Develop evaluation frameworks such as offline test suites, golden datasets, LLM-as-judge grading, and regression tracking
• Optimize system performance across latency, cost, throughput, and failure handling
• Implement observability through tracing, logging, and monitoring for debuggability and auditability
• Collaborate with cross-functional teams to define correctness in analytics queries and encode it into the system
• Stay current with LLM and agent tooling and make pragmatic build vs. buy decisions

Requirements:

• 5+ years of software engineering experience, including 2+ years building ML/AI or LLM-powered production systems
• Strong Python skills and experience with modern LLM frameworks (e.g., LangGraph or OpenAI Agent SDK)
• Experience with tool/function calling, RAG, prompt design, and agent-based architectures
• Hands-on experience with evaluation frameworks and observability tools for LLM systems
• Experience with vector databases and retrieval optimization
• Experience optimizing LLM systems for cost and latency (e.g., caching, batching, model routing)
• Strong data fundamentals including SQL and experience with data warehouses/lakehouses
• Strong communication skills and ability to translate ambiguous business questions into technical solutions

This is an excellent opportunity for an ML/AI Engineer to work on cutting-edge agentic systems, shaping how users interact with data through intelligent, explainable analytics platforms. So if you are interested, please apply below or contact Ciarán at Harnham

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CRO Developer (Contract)
Analytics Agency, CRO
London – 1 day per week in office
£300-£375 per day – Outside IR35

This is an opportunity to join a high-performing experimentation team delivering impactful conversion rate optimisation projects across a diverse client base. The team is growing quickly and has already exceeded its annual targets, creating a need for additional contract support on a flexible, part-time basis. You will contribute to a steady pipeline of web experimentation initiatives while working in a fast-paced, collaborative agency environment.

The Company

They are a specialist digital consultancy focused on optimisation, analytics and search. Their work spans three core disciplines, blending experimentation with broader customer experience and performance insights. They partner closely with media and marketing teams to translate on-site behaviour into actionable CRO strategies. The environment is delivery-focused, collaborative, and designed to move quickly when the right expertise is introduced.

The Role and Deliverables

• You will take ownership of front end development for experimentation programmes, supporting business-as-usual test delivery across multiple clients.
• Build and deploy A/B tests across client websites
• Deliver a consistent output of experimentation work, including copy and image variations
• Collaborate with CRO and analytics teams to translate hypotheses into live tests
• Work across a variety of site architectures and front end environments
• Ensure quality and accuracy of tests across browsers and devices
• Support ongoing optimisation activity with reliable, scalable code

Your Skills & Experience

• Strong experience as a front end developer within an agency environment, supporting CRO or experimentation programmes
• Proven experience working with modern JavaScript frameworks such as React and Next.js
• Strong proficiency in JavaScript, HTML and CSS for building and modifying client-side experiences
• Familiarity with experimentation platforms such as AB Tasty, VWO, Optimizely, Webtrends or Convert
• Experience delivering high volumes of front end changes in a structured and efficient way
• Ability to work across different client setups and technical stacks in a fast-paced delivery environment

How to Apply

If you have agency-side front end development experience and are available for a flexible contract, apply now for immediate consideration.

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Senior Customer Data Analyst (Contract)

£400 per day (Outside IR35)

3-month Contract

London-based

Hybrid – 2 days in the office

This is an opportunity to join a high-impact analytics team on an initial short-term contract, with a clear mandate to deliver both immediate insight and longer-term value. You will play a key role in shaping how data is used across the business, working closely with senior stakeholders to drive commercial outcomes.

The Company

They are a fast-growing, investment-backed organisation entering a new phase of expansion. With a strong reputation for their data capability, their analytics function is central to business strategy and decision making. The team is well-established, collaborative and highly regarded across the organisation. You will report into the Head of Analytics and work alongside a close-knit group of analysts.

The Role and Deliverables

• Deliver actionable insights across customer segmentation, behaviour analysis and customer lifecycle trends
• Build and enhance churn models and retention strategies, identifying opportunities to improve customer outcomes
• Analyse marketing campaign performance and ROI, providing clear recommendations to optimise spend
• Identify short-term wins while contributing to longer-term analytical approaches and frameworks
• Explore new and underutilised data sources, including customer service and device data, to uncover deeper insights
• Partner with global stakeholders to influence decisions and demonstrate the value of analytics across regions

Your Skills & Experience

• Strong experience in SQL alongside Python and or R for advanced analysis
• Proven ability to deliver insights in areas such as churn, retention, and marketing performance
• Experience with data visualisation tools such as Power BI or similar
• Capability to work proactively and independently in a hands-on environment
• Strong stakeholder management skills, with experience influencing across multiple teams or geographies
• Background in telecoms or fast-paced consumer environments is advantageous

How to Apply

Register your interest by sending your CV to Ananya Gupta via the Apply Link on this page.

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Data Scientist

London
£450 – £500 Per Day
Outside IR35
Immediate Start
3 Days In Office

The Company

They are a data-driven organisation operating at scale, with a strong focus on leveraging analytics to improve performance and customer outcomes. Their teams bring together expertise across data science, engineering, and business strategy to deliver impactful projects. They value collaboration, curiosity, and pragmatic delivery. This is an organisation that invests in modern tools and encourages continuous learning.

The Role and Deliverables

• Build, validate, and deploy machine learning models to solve business problems
• Translate complex data into actionable insights for non-technical stakeholders
• Work with structured and unstructured datasets to uncover trends and opportunities
• Collaborate with data engineers to ensure scalable and efficient data pipelines
• Deliver clear documentation and communicate findings effectively
• Support ongoing optimisation and monitoring of deployed models

Your Skills & Experience

• Strong experience in data science or applied machine learning within a commercial environment
• Proficiency in Python or R, with experience using relevant libraries and frameworks
• Experience working with SQL and handling large-scale datasets
• Ability to communicate technical concepts clearly to a range of audiences
• Familiarity with model deployment and production environments
• A problem-solving mindset with a focus on delivering business value

How to Apply
If you are a Data Scientist looking for your next contract opportunity in London, apply now to learn more.

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