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.
Power BI Analyst
London
£400 - £480
+ Advanced Analytics & Marketing Insights
ContractLondon
To Apply for this Job Click Here
POWER BI ANALYST
£400 – £480 PER DAY OUTSIDE IR35
HYBRID (3 DAYS PER WEEK – LONDON)
3 MONTH CONTRACT
THE COMPANY:
Join an advertising company as a Power BI Analyst.
THE ROLE:
As a Power BI Analyst, your responsibilities will include:
- Develop production-ready Power BI dashboards aligned to business requirements
- Build scalable, future-proofed data models that support evolving datasets
- Use strong DAX, SQL, and Power Query skills to transform and model data effectively
- Create dashboards that follow visualisation best practice and deliver clear insights
- Connect to and integrate data from multiple
- Manage Power BI Service tasks including publishing, refresh scheduling, and permissions
- Work from clear stakeholder briefs and participate in regular check-ins and feedback cycles
- Collaborate closely with a senior team member providing strategic and QA oversight
YOUR SKILLS AND EXPERIENCE:
The successful Power BI Analyst, will have:
- Advanced experience with Power BI
- Strong DAX and SQL expertise
- Skilled in Power Query and ETL processes
- Strong understanding of dashboard design and visual best practices
- Experience integrating data from multiple systems (Snowflake preferred)
- Solid experience with Power BI Service (publishing, refreshes, permissions)
- Strong analytical mindset and ability to produce clean, well-documented work
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
GCP Data Engineer
London
£700 - £750
+ Data Engineering
ContractLondon
To Apply for this Job Click Here
GCP Data Engineer
£700 – £750 per day inside IR35
6-month contract
Hybrid working in London
We’re working with a global healthcare and AI research organisation at the forefront of applying data engineering and machine learning to accelerate scientific discovery. Their work supports large-scale, domain-specific datasets that power research into life-changing treatments.
They’re now looking for a GCP Data Engineer to join a multidisciplinary team responsible for building and operating robust, cloud-native data infrastructure that supports ML workloads, particularly PyTorch-based pipelines.
The Role
You’ll focus on designing, building, and maintaining scalable data pipelines and storage systems in Google Cloud, supporting ML teams by enabling efficient data loading, dataset management, and cloud-based training workflows.
You’ll work closely with ML engineers and researchers, ensuring that large volumes of unstructured and structured data can be reliably accessed, processed, and consumed by PyTorch-based systems.
Key Responsibilities
-
Design and build cloud-native data pipelines using Python on GCP
-
Manage large-scale object storage for unstructured data (Google Cloud Storage preferred)
-
Support PyTorch-based workflows, particularly around data loading and dataset management in the cloud
-
Build and optimise data integrations with BigQuery and SQL databases
-
Ensure efficient memory usage and performance when handling large datasets
-
Collaborate with ML engineers to support training and experimentation pipelines (without owning model development)
-
Implement monitoring, testing, and documentation to ensure production-grade reliability
-
Participate in agile ceremonies, code reviews, and technical design discussions
Tech Stack & Experience
Must Have
-
Strong Python development experience
-
Hands-on experience with cloud object storage for unstructured data
(Google Cloud Storage preferred; AWS S3 also acceptable) -
PyTorch experience, particularly:
-
Dataset management
-
Data loading pipelines
-
Running PyTorch workloads in cloud environments
We are not looking for years of PyTorch experience – one or two substantial 6-12 month projects is ideal
-
-
5+ years cloud experience, ideally working with large numbers of files in cloud buckets
Nice to Have
-
Experience with additional GCP services, such as:
-
Cloud Run
-
Cloud SQL
-
Cloud Scheduler
-
-
Exposure to machine learning workflows (not ML engineering)
-
Some pharma or life sciences experience, or a genuine interest in working with domain-specific scientific data
Please send your CV

To Apply for this Job Click Here
UI Designer – Contract
London
£250 - £300
+ Digital Analytics
ContractLondon
To Apply for this Job Click Here
UI Designer
Premium Health Supplement Brand
London – 1 day per week in the office
£250-£300 per day outside IR35
Are you a talented UI Designer with a passion for creating stunning, user-centred visuals? Do you have experience working with premium brands and elevating their digital presence? If so, we want to hear from you!
Seeking a creative and experienced UI Designer to craft beautiful, intuitive, and engaging user interfaces for a high-end health supplement brand. You will play a key role in shaping the visual identity and user experience, ensuring the brand’s premium essence is reflected across all digital touchpoints.
Role & Responsibilities:
- Design elegant and user-friendly interfaces for our website, mobile apps, and marketing materials
- Collaborate with branding and marketing teams to develop cohesive visual concepts
- Create responsive, scalable designs that captivate and convert
- Maintain high standards of visual quality that align with the brand’s premium positioning
- Stay updated with the latest design trends and best practices
Skills & Experience:
- Proven experience designing for premium brands or luxury products
- Strong portfolio showcasing beautiful, sophisticated UI designs
- Proficiency in design tools such as Adobe XD, Figma, Sketch, or similar
- Excellent visual, creative, and problem-solving skills
- Ability to work independently and collaborate seamlessly with cross-functional teams
- Attention to detail and a keen eye for aesthetics
Benefits
£250-£300 per day outside IR35, London based, 1 day 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
UI / UI Designer / Design / Premium / Adobe XD / Figma

To Apply for this Job Click Here
UI Designer
City of London
£300 - £400
+ Digital Analytics
ContractCity of London, London
To Apply for this Job Click Here
UI Designer
Premium Health Supplement Brand
£300 per day outside IR35
4 days per week
Seeking a creative and experienced UI Designer to craft beautiful, intuitive, and engaging user interfaces for a high-end health supplement brand. You will play a key role in shaping the visual identity and user experience, ensuring the brand’s premium essence is reflected across all digital touchpoints.
Role & Responsibilities:
- Design elegant and user-friendly interfaces for our website, mobile apps, and marketing materials
- Collaborate with branding and marketing teams to develop cohesive visual concepts
- Create responsive, scalable designs that captivate and convert
- Maintain high standards of visual quality that align with the brand’s premium positioning
- Stay updated with the latest design trends and best practices
Skills & Experience:
- Proven experience designing for premium brands or luxury products
- Strong portfolio showcasing beautiful, sophisticated UI designs
- Proficiency in design tools such as Adobe XD, Figma, Sketch, or similar
- Excellent visual, creative, and problem-solving skills
- Ability to work independently and collaborate seamlessly with cross-functional teams
- Attention to detail and a keen eye for aesthetics
- Very strong grasp of UX best practice, experience at the heart of everything you do!
Benefits
£300-£400 per day outside IR35, London based, 1 day 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
UI / UI Designer / Design / Premium / Adobe XD / Figma

To Apply for this Job Click Here
OT Network Engineer
Preston
£450 - £500
+ Advanced Analytics & Marketing Insights
ContractPreston, Lancashire
To Apply for this Job Click Here
OT NETWORK ENGINEER
£450 – £500 PER DAY OUTSIDE IR35
HYBRID (3 DAYS PW) PRESTON
6 MONTH CONTRACT
THE COMPANY:
Join a fast-growing manufacturing business as an OT Network Engineer.
THE ROLE:
As an OT Network Engineer, your responsibilities will include:
- Integrate AMR robots with ERP, IT, and OT systems to ensure reliable automated movement and location accuracy.
- Help with basic robot programming and configuration so AMRs can navigate to correct warehouse locations.
- Identify and fix integration issues across IT/OT systems, including connectivity, permissions, and program configuration.
- Resolve remote-access and licensing problems preventing engineers from logging in and making updates.
- Work closely with both IT and OT teams to align on requirements, solve misunderstandings, and surface new issues early.
- Support upcoming hardware and ensure readiness for a go-live.
YOUR SKILLS AND EXPERIENCE:
The successful OT Network Engineer will have:
- Experience working in manufacturing, industrial environments, or fast-moving operational sites.
- Strong understanding of how to integrate OT, IT, and ERP systems.
- Ability to troubleshoot connectivity, configuration, and access issues across multiple systems.
- Collaborative and consultative approach – able to work with both IT and OT teams and translate between them.
- Hands-on problem solver who can diagnose issues quickly and propose practical solutions.
- Experience with robotics or AMR systems would be nice to have.
- Background in food production, logistics, pharmaceutical, or similar would be nice to have.
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
OT Network Engineer
Preston
£450 - £550
+ Advanced Analytics & Marketing Insights
ContractPreston, Lancashire
To Apply for this Job Click Here
Job Title: OT Network Engineer
Location: Preston area (2-3 days on site to start)
Contract: 6 months | Rate: £450-£550 p/d | IR35: Outside TBC
Overview:
Seeking an OT Network Engineer to design and maintain a secure, high-performance OT infrastructure across a manufacturing environment. You’ll ensure reliable comms for PLCs, HMIs, SCADA, robots, AMRs, BMS/HVAC and ERP-driven automation across multi-VLAN networks, working closely with both OT and IT teams.
Key Responsibilities:
-
Design and support OT networks (L2/L3, VLANs, QoS, segmentation).
-
Implement OT security controls (zones/conduits, ACLs, firewalls, secure remote access).
-
Optimise latency/jitter impacting PLC scan cycles and motion control.
-
Integrate and troubleshoot Siemens, Allen-Bradley, Schneider PLC/SCADA systems.
-
Support SCADA/HMI (WinCC Unified, FactoryTalk, EcoStruxure).
-
Deep knowledge of Profinet, EtherNet/IP, Modbus TCP, OPC UA/DA, BACnet.
-
Work with IT to align OT designs, manage data flows to ERP/MES/SCADA.
-
Own monitoring, documentation, backups, DR and change control.
Required Experience:
-
Strong understanding of industrial control principles and SCADA behaviour.
-
Practical OT networking experience (segmentation, filtering, deterministic comms).
-
Hands-on with key vendor ecosystems (Siemens / AB / Schneider).
-
Able to diagnose complex system-network interactions.
-
Confident working across both OT and IT teams.
Desirable:
-
Robotics, AMRs, conveyors, BMS/HVAC, OT-ERP integrations.
-
IEC 62443 knowledge.
-
Experience with historians, SQL logging, IIoT gateways.

To Apply for this Job Click Here
Senior Pricing Analyst
City of London
£450 - £500
+ Advanced Analytics & Marketing Insights
ContractCity of London, London
To Apply for this Job Click Here
Role: Senior Pricing Analyst (Contract)
Location: London (Hybrid)
Contract Length: 6 months
Overview:
We are working with a highly reputable, leading, European consumer brand, who are shaping the digital market with its personalised products. Helping turn digital memories into tangible keepsakes. They use innovative tech to let users easily customise these high-quality items to preserve and share life’s stories.
They are seeking a Senior Pricing Analyst to join its Pricing & Promotions function on a high-impact 6-month contract. This is an immediate start role partnering closely with Commercial, Finance, Marketing, and Data teams. You will play a pivotal part in rolling out a new European pricing model and integrating promotional data into a business-wide ROI tool. This role is highly analytical, commercially significant, and offers strong exposure across the organisation within a fast-paced and collaborative environment.
Key Responsibilities:
- Model and analyse large, complex datasets to support pricing and promotional decisions
- Evaluate the financial impact of pricing changes on the P&L
- Validate logic, test models, and ensure accuracy across pricing outputs
- Build and enhance analytic tools that support pricing and promotional strategy
- Collaborate closely with Pricing, Promotions, Commercial, Finance, and Data teams
Required Skills and Experience:
- Strong analytical experience within pricing, e-commerce, or other data-intensive environments
- Proficient in Excel (advanced), SQL, Python or R, and BI tools
- Demonstrated ability to own complex modelling projects end-to-end
- Excellent communication skills with proven stakeholder management
- Comfortable translating analysis into actionable commercial insight
Desirable Skills:
- Experience with Snowflake, Looker, or similar analytic tools
- Background in developing or validating pricing or promotions models
How to Apply:
If you’re ready to take ownership of high-impact pricing analytic projects and shape commercial decision-making across Europe, please apply directly or get in touch for more details.

To Apply for this Job Click Here
Data Engineer (Consultant)
$75 - $120
+ Data Engineering
ContractNew York
To Apply for this Job Click Here
Data Engineer (Consultant) – Professional Services
Role Overview
As a Consulting Data Engineer, you’ll play a pivotal role in helping enterprises modernize how they manage and utilize big data and AI. You’ll partner closely with clients to design modern data architectures, guide cloud and platform migrations, and build advanced analytics solutions that generate real business impact. This role goes beyond technical delivery-you’ll help organizations transform their data into actionable insights and drive meaningful innovation. If you thrive in dynamic environments, enjoy solving complex challenges, and want to make a measurable impact, this position offers an exciting opportunity.
What You’ll Do
In this role, you’ll lead high-impact projects that enable clients to modernize their data platforms and accelerate AI adoption. You’ll design and implement scalable, cloud-based architectures that support advanced analytics and machine learning initiatives, while collaborating with technical teams and business stakeholders to ensure seamless delivery and tangible results. You’ll act as a trusted advisor, guiding clients through data migrations, deployments, and best practices, and you’ll contribute insights and feedback to improve solution quality and ongoing innovation.
What We’re Looking For
We’re seeking someone with at least six years of experience in data engineering, analytics, or cloud architecture, along with strong coding skills in Python or Scala. You should have expertise with at least one major cloud platform-AWS, Azure, or GCP-and familiarity with others. Deep knowledge of distributed computing frameworks like Apache Spark is essential, as is experience with CI/CD, MLOps, and architecting end-to-end data solutions. Databricks experience is a must. Exceptional communication and problem-solving abilities are also critical for success in this role.
Contract Details
This is a contract role with an initial six-month term, full-time at 40 hours per week, with a strong possibility for extension.
Why Join Us?
You’ll work on projects that shape the future of data and AI while collaborating with passionate experts who prioritize continuous learning and innovation. Your work will deliver measurable impact for organizations looking to harness the full potential of their data. If this excites you, we encourage you to apply.
Please Note
We will not be utilizing third-party agencies for this role.

To Apply for this Job Click Here
Data Scientist – Pricings and Promotions
London
£550 - £650
+ Data Science & AI
ContractLondon
To Apply for this Job Click Here
Job Title: Data Scientist – Pricing & Promotions
Location: Blackfriars, London (Hybrid – 2 Days Per Week Onsite)
Role Type: Contract, £550-650 Per Day (insideIR35), 3 Months Initially (Strong Potential to Extend)
The Role
We are seeking a commercially minded Data Scientist to optimise pricing and promotional strategies for a leading consumer brand. This role directly supports initiatives that contribute to roughly 20% of total revenue, with a strong focus on analytical rigour, experiment design, and measurable business impact.
You will work closely with commercial, marketing, and finance teams to design scalable pricing models, analyse promotional performance, and inform high-stakes decisions that drive growth, profitability, and competitive positioning.
What You’ll Be Responsible For
Promotional Analysis & Strategy
-
Conduct in-depth analyses of campaign performance to identify trends, opportunities, and areas for optimisation.
-
Develop and test data-driven promotional strategies that drive customer engagement and commercial uplift.
-
Measure the success of promotional activities and recommend improvements focused on efficiency and effectiveness.
Pricing Optimisation
-
Design pricing models that balance commercial growth, margin improvement, and competitive positioning.
-
Use scenario analysis and elasticity modelling to forecast the impact of pricing decisions across products and customer segments.
Cross-Functional Impact
-
Partner with commercial, marketing, and finance teams to translate analytical insights into actionable pricing and promotion strategies.
-
Contribute to experimentation frameworks, including A/B tests, to validate hypotheses and quantify business outcomes.
Must-Have Qualifications
-
Strong expertise in data analysis and statistical methods (e.g., regression, hypothesis testing).
-
Proven track record of using data to drive commercial success (e.g., revenue growth, margin improvement, increased market share).
-
Knowledge of pricing optimisation methods and experimentation frameworks (e.g., elasticity modelling, A/B testing).
-
Ability to structure complex analytical findings into clear, actionable insights for diverse stakeholders.
-
Proficiency with SQL (Google SQL preferred) and Python or R for statistical analysis.
Nice-to-Have Skills
-
Experience working within consumer brands or revenue-focused product environments.
-
Familiarity with large-scale promotional engines or marketing analytics.
-
Hands-on experience designing end-to-end experimentation workflows.
How We Evaluate Candidates
Technical Competence: We assess statistical capability, problem-structuring skills, and practical analytical judgment. Candidates must demonstrate proficiency with SQL and Python/R/ through real-world examples.
Communication: You must be able to clearly articulate analytical approaches, describe the rationale behind your methods, and explain the commercial impact of your work.
Collaboration: We look for candidates who work effectively with commercial stakeholders and can translate data into decisions that move the business forward.
If you are interested in applying, please email with your CV and contact number.

To Apply for this Job Click Here
Pricing Analyst
London
£450 - £500
+ Advanced Analytics & Marketing Insights
ContractLondon
To Apply for this Job Click Here
Pricing Analyst (Contract) – SQL & Python
£450-£500 per day (Outside IR35)
3-month contract | 2 days per week onsite (London)
About the Role
A leading organisation is seeking an experienced Pricing Analyst to support a key pricing optimisation project. You will work closely with commercial, finance and data teams to analyse pricing performance, build models, and provide actionable recommendations that drive revenue and margin improvements.
Key Responsibilities
-
Analyse large datasets to evaluate pricing performance, commercial trends and customer behaviours
-
Develop and maintain pricing models using Python
-
Build and run complex queries in SQL to extract and manipulate data
-
Present insights and recommendations to senior stakeholders
-
Support the wider pricing strategy and contribute to commercial decision-making
-
Collaborate with cross-functional teams in a fast-paced environment
Required Skills & Experience
-
Strong experience as a Pricing Analyst, Data Analyst, or similar
-
Proficiency in SQL and Python
-
Solid analytical and quantitative skills, with experience building pricing models
-
Ability to interpret complex datasets and translate findings into clear business insights
-
Experience working with commercial or financial data
-
Strong stakeholder communication skills
Contract Details
-
Day Rate: £450-£500 per day (Outside IR35)
-
Duration: 3 months (potential extension)
-
Location: London – 2 days per week onsite
-
Start Date: ASAP

To Apply for this Job Click Here
GPU Engineer/Architect
$85 - $125
+ Data Science & AI
ContractUSA
To Apply for this Job Click Here
Start Date: January
Contract Length: 3 Months (with strong likelihood of extension or permanent hire)
Location: Remote with direct access to hosted GPU infrastructure
We have partnered with a fast-growing startup operating in the AI and GPU compute space. They run a platform that brokers on-demand GPU capacity for companies that need large-scale compute without owning the hardware. As part of a new data centre partnership, they are now bringing a new production GPU cluster online and are seeking an experienced GPU Infrastructure Engineer on a contract basis to lead this effort.
The Role:
This is a hands-on, production-critical role where the successful contractor will take ownership of operating and enabling a commercial GPU cluster for customer workloads.
You will be responsible for:
-
Standing up and operating production GPU clusters
-
Owning uptime, performance, and customer SLAs
-
Managing the GPU software stack including controller node, management controller, and orchestration layer
-
Enabling workload orchestration, scheduling, and marketplace integration
-
Troubleshooting software-level issues end-to-end (with physical hardware support provided by the data centre partner)
-
Advising the internal team on best practices and helping define long-term operational standards
The Ideal Profile:
-
Demonstrated experience operating GPU clusters in production environments
-
Strong background in GPU infrastructure, scheduling, and orchestration
-
Comfortable working autonomously as the technical authority
-
Able to document, mentor, and transfer knowledge to engineering teams
-
Commercially minded and comfortable in customer-facing environments when required
If interested, please apply or get in contact with Ciarán Brown

To Apply for this Job Click Here
Sr. Generative AI Engineer
$85 - $115
+ Data Science & AI
ContractNew York
To Apply for this Job Click Here
Sr. Generative AI Engineer
Harnham, the leading recruitment specialist in Data and AI is supporting a nationally recognized Databricks consulting partner delivering enterprise-grade GenAI and LLM solutions to their clients.
They are in need of a Sr Gen AI Engineer who has at least 5 years of experience with Databricks and who is comfortable communicating with both technical and non-technical stakeholders.
The ideal hire does not necessarily need to come form a specific company or industry, however, *hands-on GenAI production experience (RAG, LLMs, or agentic frameworks)* is a MUST.
- Role – Sr. Gen AI Engineer
- Location – Remote – OR – Hybrid (2-3 days on-site) in Dallas, Texas
- Pay – $85-$115 per hour, dependent on experience and certifications
- Length: Extendable, 12 months initial contract
- Utilization: 40 hr/week
- Benefits: W2 employees are eligible to health, dental, vision, 401k benefits.
As a Sr Gen AI engineer, you will be a key player in driving project completion and working extensively with both Databricks and the end-client on your projects.
Key Responsibilities:
- Deliver end-to-end GenAI projects on the Databricks platform, from scoping through build and deployment.
- Develop RAG (Retrieval-Augmented Generation) and LLM-based applications that utilize enterprise data and knowledge repositories.
- Implement vector database solutions, integrate LangChain / agentic frameworks, and optimize LLM workflows.
- Support clients in bringing GenAI systems into production with best practices for MLOps, CI/CD, and data pipeline automation.
- Collaborate with data teams to design scalable architectures and advise on tooling, deployment, and governance.
- Provide mentorship to broader ML teams and help clients adopt Databricks-native GenAI solutions effectively.
Requirements:
- 5+ years of overall experience in AI/ML engineering or data systems.
- 1-2 years of proven, hands-on GenAI production experience (RAG, LLMs, or agentic frameworks).
- Strong Databricks expertise – all delivery occurs within the Databricks ecosystem (Spark, MLflow, Unity Catalog, etc.).
- Proficiency in Python, LangChain, OpenAI API, Hugging Face, and vector DBs such as FAISS, Pinecone, Weaviate, or Chroma.
- Strong grasp of cloud deployment (AWS, Azure, GCP) and DevOps pipelines (Git, Azure Pipelines, CI/CD).
- Excellent communication skills for client-facing consulting and delivery engagements.
- Preferred certifications: Databricks Associate/Professional ML Engineer, Databricks GenAI Engineer, or Databricks Data Engineer.
This is an excellent opportunity for someone who has designed, developed, and deployed generative AI solutions and wants to leverage that expertise as a hands-on consultant.
**WE WILL NOT BE UTILIZING THIRD PARTY AGENCIES FOR THIS ROLE**
