INFORMATION FOR REGISTERED CANDIDATES WITH HARNHAM
KIDÂ DOCUMENTS
On this page you will find your KID (Key Information Document) and information about the alternative options available to you via our preferred list of Umbrella companies.
UMBRELLA COMPANY 1
GIANT - For almost 30 years giant have provided specialist, end to end workforce management software and support services to large and small recruitment agencies, internationally.
UMBRELLA COMPANY 2
PAYSTREAM - A market leading business providing a range of payroll and accountancy services for recruitment agencies and contractors.
UMBRELLA COMPANY 3
SAPPHIRE - Working through our umbrella company is a quick and easy solution for contractors, without having to file paperwork. By joining Sapphire, we’ll be with you every step of the way by offering you top of the line employment support and benefits.
UMBRELLA COMPANY 4
WORKWELL (FORMERLY JSA) - Enjoy the freedom & flexibility of contracting whilst they provide benefits such as holiday and sick pay. Unlike a limited company structure, there’s no admin to worry about – you simply work and get paid, and they take care of the rest.
JOBS
LATEST CONTRACT
OPPORTUNITIES
Harnham are a specialist Data & Analytics recruitment business with a dedicated Contract and Freelance team, working across the UK, US and Europe.
Product Manager
London
£500 - £550
+ Advanced Analytics & Marketing Insights
ContractLondon
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Job Title: Product Manager
Location: Remote
Contract Length: 3 months
IR35 Status: Outside
Rate: £500-550pd
Start Date: ASAP (2 weeks notice max)
There’s a significant amount of work underway across multiple data and commercial workstreams, and the team urgently needs a hands-on Product Manager (Data) to help deliver these projects effectively.
Key Focus Areas
- Delivering multiple ongoing data workstreams
- Driving execution across commercial and data platform projects
- Supporting the rebuild of the commercial platform and API
- Ensuring smooth data delivery to end users through the platform
- Collaborating closely with engineering teams from a technical perspective
- The role will require strong coordination across cross-functional teams to translate plans into tangible outcomes.
Ideal Background
- Proven experience as a Product Manager (Data / Platform / API)
- Strong execution and delivery track record – not a strategy-led role
- Excellent stakeholder management and communication skills
- Confident operating in technical and commercial environments
- Industry experience in gaming or betting, ideally casino
- Affiliate experience is also highly relevant

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Data Product Manager
City of London
£480 - £520
+ Advanced Analytics & Marketing Insights
ContractCity of London, London
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DATA PRODUCT MANAGER
£480 – £520 PER DAY OUTSIDE IR35
FULLY REMOTE (MUST BE BASED IN THE UK)
3 MONTH CONTRACT
THE COMPANY:
Join a fast-paced company as a Data Product Owner and take ownership of their full-scale replatforming initiative.
THE ROLE:
As a Data Product Manager, you will take ownership of several workstreams within the commercial platform build. Your responsibilities will include:
- Executing on an established product strategy and roadmap.
- Leading discovery and validation of new features and epics.
- Working closely with engineering, data, and architecture teams on delivery.
- Ensuring high-quality documentation across all workstreams.
- Supporting take-to-market and integration capabilities.
YOUR SKILLS AND EXPERIENCE:
The successful Data Product Manager will have:
- Proven Product Management experience on platform or replatforming projects.
- Strong exposure to APIs, data, and integration-heavy environments.
- Experience working with engineering teams.
- Excellent stakeholder management across all levels.
- A proactive, collaborative mindset with the confidence to hold your ground.
- Experience in iGaming, betting, or digital gaming environments.
- Experience building a platform from scratch to release is a strong bonus.
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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Power BI Analyst
Norwich
£350 - £400
+ Advanced Analytics & Marketing Insights
ContractNorwich, Norfolk
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POWER BI ANALYST
£350 – £400 PER DAY OUTSIDE IR35
HYBRID (OCCASIONAL TRAVEL TO NORWICH)
3 MONTH CONTRACT
THE COMPANY:
Join a fast-paced company as a Power BI Analyst.
THE ROLE:
As a Power BI Analyst you will play a key role in developing dashboards and reports to monitor service centre activity, uncover insights, and present findings to senior stakeholders. Your responsibilities will include:
- Developing dashboards and reports using Power BI
- Collaborating with engineering/data teams to access and structure operational data
- Analysing service centre performance metrics and providing actionable insights
- Presenting findings to leadership and board-level stakeholders
- Understanding and integrating data from contact management system
YOUR SKILLS AND EXPERIENCE:
The successful Power BI Analyst will have:
- Strong experience in Power BI and building dashboards
- Proven experience working with service centre performance data, including operational metrics and KPIs
- Ability to translate data into actionable insights for leadership and board presentations
- Exposure to contact management systems (Genesys)
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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BI Developer
London
£400 - £450
+ Advanced Analytics & Marketing Insights
ContractLondon
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BI DEVELOPER
£400 – £450 PER DAY OUTSIDE IR35
FULLY REMOTE (MUST BE UK BASED)
3 MONTH CONTRACT
THE COMPANY:
Join a leading UK data provider as a BI Developer to support the modernisation of their data infrastructure and reporting capabilities.
THE ROLE:
As a BI Developer, your responsibilities will include:
- Access and extract data from Salesforce and NetSuite
- Migrate and consolidate data into a SQL data warehouse
- Transform data for reporting and push it into Power BI dashboards
- Write efficient queries, create data models, and develop reports using Power Query and DAX
- Work closely with the business to ensure data accuracy and reporting meets stakeholder needs
YOUR SKILLS AND EXPERIENCE:
The successful BI Developer will have:
- Strong experience accessing and manipulating data from Salesforce and NetSuite
- Proficient in SQL and data warehouse development
- Solid experience with Power BI, including Power Query and DAX
- Experience working with legacy systems and data migration projects
- Strong analytical and problem-solving skills
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
BI/MI Developer
London
£400 - £450
+ Advanced Analytics & Marketing Insights
ContractLondon
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Power BI Developer – MI & BI Reporting Setup
Location: Hybrid – up to 2 days a week onsite – Reading or London
Contract Length: 3-6 months (initially 3 months)
Day Rate: £400-450 per day, Outside IR35
Overview
We’re seeking a Power BI Developer to establish MI & BI reporting from the ground up. Existing data is structured for operational use rather than reporting, and this role will be central to building standard, optimized reports that consolidate current team reporting needs into a cohesive, modern solution.
Key Responsibilities
-
Review existing reports across teams, assess usage and objectives, and consolidate where possible
-
Design and develop a suite of standard Power BI reports and dashboards from scratch
-
Migrate existing reporting from Grafana to Power BI
-
Optimize reports for performance, usability, and ongoing maintenance
-
Collaborate with various teams and a dedicated data engineer to handle large volumes of data
-
Ensure clear documentation and support the adoption of standard reporting assets
Required Skills & Experience
-
Proven experience creating MI & BI reports and dashboards in Power BI
-
Strong SQL skills for data preparation and integration
-
Ability to consolidate diverse reporting requirements into standardized, user-friendly reports
-
Experience working with large datasets in a collaborative environment
-
Clear communication skills to engage with multiple stakeholders
Preferred Background
-
Experience with survey data or fraud data in banking or research sectors
-
Projects involving migration of reporting tools (e.g., Grafana to Power BI)
-
Track record of standardizing and optimizing reporting frameworks

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BI Developer
London
£400 - £450
+ Advanced Analytics & Marketing Insights
ContractLondon
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Job Title: BI Developer
Location: Remote (Set up day in Stoke)
Contract Length: 3 months initially
IR35 Status: Outside IR35
Rate: £400pd to £450pd
Start Date: 8th December
Overview
You’ll integrate data from Salesforce (CRM), NetSuite (ERP), and Cascade (HR) into an on-prem SQL data warehouse, delivering automated monthly reporting and daily Power BI snapshots. The role also involves advising on ETL tooling, process automation, and producing full documentation for internal handover.
Key Deliverables
- Design and build an on-prem Finance Data Warehouse (SQL) integrating Salesforce, NetSuite & Cascade.
- Develop and optimise ETL/ELT pipelines with incremental loads and audit controls.
- Build Power BI semantic models and executive dashboards for KPIs and OKRs.
- Advise on integration tooling and data orchestration best practices.
- Produce full technical documentation and user handover materials.
Skills & Experience
- Proven experience designing SQL-based data models and warehouses.
- Strong SQL development, ETL/ELT, and performance tuning skills.
- Data integration expertise with Salesforce, NetSuite, and HR systems (API/ETL).
- Advanced Power BI (Power Query M, DAX)
- Proven experience designing SQL-based data models and warehouses
- Strong SQL development, ETL/ELT, and performance tuning skills.
- Understanding of SaaS metrics (ARR, MRR, churn, NRR, CAC, revenue recognition).
- Excellent documentation, communication, and stakeholder engagement skills.
Outcomes (3 Months)
- Operational Finance Data Cube integrating all core data sources.
- Automated Power BI dashboards for executive reporting.
- Documented, repeatable integration and refresh processes.
- Recommendations for long-term data architecture and governance.

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Data Analyst
Norwich
£350 - £400
+ Advanced Analytics & Marketing Insights
ContractNorwich, Norfolk
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Job Title: Data Analyst
Location: Norwich (occasional travel)
Contract Length: 3 months
IR35 Status: Outside (TBC)
Rate: £350-400pd
Start Date: ASAP (maximum 2 weeks’ notice)
Overview
Our client is supported by a busy Contact Center operation, and the business is looking to backfill a key analytics role. The successful candidate will be responsible for developing a suite of reports focused on Contact Center data, primarily sourced from Genesys.
Key Responsibilities
- Develop, maintain and present a suite of Power BI reports for senior leadership and board-level reporting
- Ensure data accuracy and perform QA checks prior to report distribution
- Collaborate with key stakeholders to understand requirements and deliver actionable insights
Required Skills & Experience
- Strong proficiency in Power BI
- Experience in analysing Contact Center data
- Excellent attention to detail and data quality assurance skills
- Confident communicator with experience engaging senior leadership
- Engineering or technical background beneficial

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Braze Campaign Manager
Bristol
£300 - £360
+ Advanced Analytics & Marketing Insights
ContractBristol
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- CRM Campaign Manager (Contract)
- 3-4 Month project offered as a monthly rolling contract
- Up to £360 per day (Outside IR35) DOE
- Remote – must be UK Based, occasional visits to Bristol office a plus
We’re working with a leading marketing agency undergoing a period of rapid growth, driven by an influx of new client wins and major campaign activity. With several exciting projects in motion – including a high-profile brand campaign and a new account launching in November – they’re looking to bring on board an experienced Senior CRM Campaign Manager with strong Braze expertise to support their busy CRM function.
The Role
This is a hands-on delivery role where you’ll take ownership of building, testing, and optimising multi-channel CRM and lifecycle campaigns, primarily within Braze, with occasional exposure to Salesforce Marketing Cloud. You’ll work closely with internal strategy, data, and creative teams, as well as client stakeholders, to ensure campaigns are delivered on time, to spec, and to a consistently high standard.
Key Responsibilities
-
Build and deploy CRM and lifecycle campaigns in Braze (and occasionally SFMC).
-
Support clients through campaign setup, QA and reporting, ensuring seamless execution.
-
Collaborate with strategy, data, and creative teams to deliver engaging and effective customer journeys.
-
Manage stakeholder communications and maintain strong client relationships.
-
Troubleshoot campaign issues and uphold best practices across workflows and automation.
Skills & Experience
-
Certified Braze Expert (key), with extensive hands-on experience in campaign building and automation.
-
Deep understanding of CRM workflows, segmentation, and lifecycle marketing principles.
-
Excellent communicator, able to clearly articulate technical concepts to clients and non-technical audiences.
-
Experience with Salesforce Marketing Cloud is a strong plus, particularly around integration or migration work.
-
Confident managing multiple workstreams independently within a fast-paced agency environment.
Additional Information
-
Project Length: 3-4 months but offered as monthly rolling
-
Day Rate: £300-£360 (Outside IR35) DOE
-
Location: Remote – UK based, with occasional visits to Bristol as a plus
If you’re an experienced CRM professional who thrives in a dynamic agency setting and has the technical expertise to hit the ground running, we’d love to hear from you.

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Backend Software Engineer (AI)
London
£750 - £800
+ Data Science & AI
ContractLondon
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Backend Software Engineer (AI)
£750 – £800 per day
2 days onsite
We’re working with a global healthcare and AI research organisation that’s pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to enable faster, personalised therapies that improve patient outcomes worldwide – and they’re seeking a Backend Software Engineer to help bring that mission to life.
The Role
You’ll be joining a multidisciplinary AI/ML team responsible for developing the infrastructure and software that powers cutting-edge research and intelligent applications. The role focuses on backend development in Python, integrating AI components with data, compute, and frontend systems to create scalable, high-performance solutions.
Day-to-day responsibilities include:
-
Designing and implementing backend services for Python-based web applications (e.g., FastAPI).
-
Integrating AI and ML components into production systems and APIs.
-
Writing high-quality, well-tested, and well-documented code following best practices.
-
Developing and monitoring metrics to improve system reliability and performance.
-
Collaborating closely with frontend engineers, data engineers, and ML specialists to build end-to-end pipelines.
-
Participating in agile ceremonies and code reviews to uphold quality and delivery standards.
Tech Stack & Skills
Core skills:
-
Strong Python backend development experience (FastAPI or similar frameworks)
-
Cloud-native deployment experience (preferably Google Cloud and Cloud Run)
-
Unit testing experience (pytest or similar frameworks)
-
Familiarity with agile development and CI/CD processes
-
Strong understanding of Git/GitHub workflows and DevOps tooling
Nice to have:
-
Experience with Docker or multi-container application architecture
-
Familiarity with AI/ML technologies such as LLMs, NLP, LangGraph, PydanticAI, or AutoGen
-
Experience with biological or scientific datasets (genomics, proteomics, etc.)
-
Exposure to frontend development (React preferred)
-
Experience benchmarking and improving AI/ML models or agent-based systems
What You’ll Bring
-
A track record of delivering clean, production-grade backend systems
-
A collaborative and proactive approach to working in cross-functional teams
-
Passion for innovation and applying technology to advance scientific discovery
-
A growth mindset with a focus on continuous learning and improvement
Please send your CV

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Digital Merchandiser – Contract
London
£200 - £250
+ Digital Analytics
ContractLondon
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Digital Merchandiser – Contract
Activewear Brand
Hybrid – London 3 days on-site
£200-£250 per day – Outside IR35
Are you a data-driven digital merchandiser with a sharp commercial eye and a passion for performance?
We’re working with a leading activewear brand who are looking for a Digital Merchandiser Contractor to join their fast-paced, growing eCommerce team.
You’ll play a key role in shaping their digital trading strategy, ensuring products are perfectly positioned online to drive visibility, engagement, and conversion.
Role & Responsibilities
- Manage the end-to-end setup of new product launches, ensuring accurate listings, imagery, pricing, and categorisation.
- Optimise product and category pages to support trading priorities, campaigns, and seasonal strategies.
- Lead on-site visual merchandising for key categories and homepages, working closely with Buying, Merchandising, and Marketing.
- Enhance on-site search and recommendations using tools like Algolia (and ideally Nosto) to boost product discovery and relevance.
- Analyse site and product performance using Shopify Analytics, Google Analytics, and ContentSquare, providing actionable insights.
- Continuously test, iterate, and improve site layouts, filters, and content to maximise conversion and AOV.
- Partner with UX, Creative, and Development teams to deliver a seamless, brand-led shopping experience across all devices.
Skills & Experience
- Proven experience as a Digital Merchandiser / eCommerce Trading Specialist within retail or eCommerce brands.
- Hands-on Shopify experience – confident managing listings, categories, and site updates.
- Experience with Algolia for search and merchandising optimisation.
- Strong understanding of conversion optimisation and digital merchandising best practices.
- Analytical mindset – confident interpreting data and creating actionable trading reports.
- Collaborative, detail-oriented, and comfortable working in a fast-paced, entrepreneurial environment.
Benefits
£200-£250 per day outside IR35, London based, 3 days per week in the office
How to Apply
Register your interest by sending your CV to Lloyd Dunstall via the Apply link on this page
eCommerce / Digital Merchandising / Digital Merchandiser / Algolia / Shopify

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Digital Merchandising Executive
City of London
£200 - £250
+ Digital Analytics
ContractCity of London, London
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Digital Merchandising Executive
£200-250 per day
3 days per week in London Office
3 Month Contract
Role and Responsbilities-
- Manage and optimise product listings, categories, and on-site merchandising.
- Use tools like Shopify and Algolia to enhance product discovery and conversion.
- Analyse trading performance, turning insights into actionable improvements.
- Collaborate with Buying, Marketing, and UX teams to deliver best-in-class digital execution.
- Optimise filters, sort orders, and tagging for visibility, find-ability, and SEO.
- Ensure all content aligns with brand guidelines and delivers a seamless experience across devices.
- Build and maintain reports via Shopify Analytics, Google Analytics, and ContentSquare to support data-led decisions.
Requirements –
- Proven experience in digital merchandising or e-commerce trading, ideally within a fast-paced retail or DTC environment.
- Hands on experience managing Shopify (or similar e-commerce platform).
- Hands-on experience with Algolia for on-site search and merchandising.
- Strong grasp of merchandising best practices, conversion optimisation, and data analysis.
- Proficient in Excel and familiar with Google Analytics or BI dashboards.
- Detail-oriented, organised, and commercially minded – able to manage multiple priorities effectively.
Nice to have:
- Experience with Nosto for recommendations and personalisation.
- Familiarity with ContentSquare and GA4.

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CUSTOMER LOYALTY INSIGHT ANALYST
City of London
£400 - £500
+ Advanced Analytics & Marketing Insights
ContractCity of London, London
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THE COMPANY:
A global technology and online marketplace business, well known for connecting customers and partners through innovative digital solutions. You’ll be joining a forward-thinking Insight & Analytics team that plays a key role in driving business performance through data-led strategy. The environment is collaborative, fast-paced, and hybrid, with access to world-class analytics tools and a genuine focus on customer understanding.
THE ROLE:
As a Customer Loyalty Insight Analyst, you will play a crucial role in driving insight across loyalty and life cycle activity. You’ll work with marketing, CRM and analytics engineering teams to identify trends, improve retention, and optimise loyalty programmes.
You can expect to:
- Analyse customer behaviour and loyalty performance to identify key retention drivers.
- Deliver data-led insights to inform customer engagement and reactivation strategies.
- Build and maintain dashboards and reporting for loyalty KPIs.
- Partner with CRM and Marketing teams to deliver targeted campaigns and recommendations.
- Present insight to senior stakeholders to influence strategic decision-making.
YOUR SKILLS AND EXPERIENCE:
- Strong background in customer insight, retention or loyalty analytics.
- Advanced SQL skills, plus experience with Looker, Power BI or Tableau.
- Excellent communication and stakeholder management ability.
- A data-driven mindset with a passion for improving the customer experience.
Desirable:
- Experience working with loyalty programmes or life cycle analytics.
- Exposure to Python or R for advanced analysis.
THE BENEFITS:
- Competitive day rate of £400-£450 (inside IR35).
- Hybrid working (2 days in modern London office).
- Work with a high-profile global brand on data impacting millions of customers.
- Inclusive, collaborative team environment.
HOW TO APPLY:
Please register your interest by sending your CV to Atif Ahmad via the Apply link on this page.
