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DATABRICKS ENGINEER

6-MONTH CONTRACT

£500-£600 PER DAY

This role offers a great opportunity for an Azure Databricks Engineer to join a renewable energy firm based in London. You’ll play a hands-on role in developing and optimising modern data lakehouse solutions on Azure, while supporting critical analytics and data delivery systems. The environment encourages technical ownership, collaboration, and the chance to tackle complex cloud-native engineering challenges.

THE COMPANY
This is a leading organisation within the renewable energy sector, dedicated to sustainable innovation and data-driven operations. The business is undergoing rapid digital transformation, investing in cloud-based technologies to optimise performance, forecasting, and environmental impact. With operations across multiple regions, their data initiatives play a key role in supporting clean energy production, distribution, and strategy.

THE ROLE
You’ll join a collaborative engineering team focused on building scalable, secure, and efficient data platforms on Microsoft Azure. Your work will directly support migration initiatives, analytics enablement, and platform reliability. You’ll be responsible for data pipeline development, resource deployment, and ongoing optimisation of cloud-native systems.

Your responsibilities will include:

• Designing and implementing scalable data lakehouse architectures using Databricks on Azure.

• Building efficient ETL/ELT pipelines for structured and unstructured data.

• Working with stakeholders to ensure high-quality, accessible data delivery.

• Optimising SQL workloads and data flows for analytics performance.

• Automating infrastructure deployment using Terraform and maintaining CI/CD practices.

• Supporting secure and performant data access via cloud-based networking.

KEY SKILLS AND REQUIREMENTS

• Strong experience with Azure Databricks in production environments.

• Background with Azure Data Factory, Azure Functions, and Synapse Analytics.

• Proficient in Python and advanced SQL, including query tuning and optimisation.

• Hands-on experience with big data tools such as Spark, Hadoop, and Kafka.

• Familiarity with CI/CD pipelines, version control, and deployment automation.

• Experience using Infrastructure as Code tools like Terraform.

• Solid understanding of Azure-based networking and cloud security principles.

HOW TO APPLY
Please register your interest by sending your CV via the apply link on this page.

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Contract Senior Data Scientist / ML Engineer
£600-800/day | Outside IR35 | Hybrid (Central London, 2 days/week)

We’re working with a specialist consultancy delivering high-impact machine learning solutions to private equity-backed businesses. They are looking for an experienced Data Scientist or ML Engineer to support a live project, applying classical machine learning to solve tangible, high-value problems.

You will be joining a small, collaborative team of engineers and data scientists on-site 2 days per week in Central London.

The work focuses on traditional ML use cases, such as:

• Optimisation modelling to improve manufacturing throughput

• Predictive modelling to anticipate and reduce asset downtime

• Customer churn prediction and mitigation

• Next-best-action modelling for sales agents

• Geospatial modelling to inform store and asset placement decisions

Must-Have Requirements:

• 3-5+ years’ experience applying classical ML in commercial settings

• Excellent Python coding skills (production-grade, using libraries like Pandas, NumPy, scikit-learn)

• Strong understanding of supervised and unsupervised learning methods (regression, classification, clustering, tree-based models, etc.)

• Comfortable working across the full ML lifecycle

• Previous exposure to ambiguous or evolving problem spaces, ideally within consulting or client-facing environments

• Experience with AWS / Azure and SageMaker

• Clear and confident communicator, able to contribute to client conversations and work collaboratively with delivery teams

• Degree from a top university in a quantitative discipline (Master’s preferred)

• Based in London and able to attend the client site 2 x per week.

Nice-to-Haves:

• Experience with geospatial modelling, time series forecasting, or operational optimisation

• DBT

Interviews are taking place this week. Start ASAP.

Please email

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Contract – Multi-Modal AI Specialist (OpenAI CLIP) | Up to £650/day | Outside IR35 | Hybrid/Remote

We’re working with a leading global agency supporting a major financial services client on an innovative AI initiative. The project aims to predict the performance of creative campaigns before they go live, replacing traditional A/B testing with pre-launch modelling that leverages multi-modal data (images, video, and text) and customer research.

This is a hands-on contract role for a technically strong machine learning specialist with experience applying OpenAI CLIP. Using historical data, you’ll use open-source models to assess campaign creative and help deliver insights at both content and audience levels.

Key responsibilities:

• Apply OpenAI CLIP or similar models to campaign imagery, video content, and customer research (e.g., surveys)

• Build models that simulate campaign performance using historical data (backtesting)

• Pre-test creative content, score ad copy, and identify attributes driving success

• Work with customer data (NLP) and translate insights into model features

• Deliver post-campaign breakdowns by audience segment (e.g., high-value customers)

Must-have technical skills:

• Proven experience with OpenAI CLIP (essential)

• Strong track record with multi-modal AI (image, video, text)

• Solid Python programming skills

• Deep understanding of statistics and model evaluation

• Comfortable working with NLP and customer research data

Contract details:

• Day rate: Up to £650/day

• Outside IR35

• Initial office-based onboarding (1 week), then mostly remote

• 3-month contract with potential to extend

• Fast interview process: 30-min intro + 1-hour technical

Please send your CV if interested.

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Project Focus:

• Objective: Predict the success of marketing content (images, videos, and text) before campaigns go live using multi-modal AI models.
• Method:
• Apply customer research (survey/NLP data) alongside computer vision and text models.
• Build models that can take a new creative (image, video, or ad copy) and predict its expected performance.
• Reduce reliance on traditional lengthy A/B testing by using pre-testing AI models.
• Provide detailed post-campaign insights, including content attributes that worked (or didn’t) for different audience segments (e.g., high spenders).
• Backtesting:
• AI models should be able to simulate performance against historical data to validate predictions.
• Models should also score new content (ads/videos/copy) before it is launched.

Key Technical Requirements:
1. Multi-Modal AI Expertise

• Ability to work with images, video, and text data simultaneously.
• Experience building or applying multi-modal models (e.g., combining visual and textual inputs).

2. Experience with Open-Source Models

• Ideally familiar with OpenAI CLIP or similar vision-language models.
• Should know how to adapt and apply open-source AI models to real-world data (not just academic familiarity).

3. Computer Vision and NLP Skills

• Computer vision: Practical knowledge – but not traditional CV (e.g., object detection) – focus is on newer multimodal models.
• NLP: Able to process and leverage customer research data (e.g., surveys, text responses).

4. Programming and Statistical Foundation

• Strong coding skills – must be a programmer at heart, not just a “tool user.”
• Solid background in statistics and mathematics to build reliable, explainable models.
• Should understand model evaluation, backtesting, and simulation of campaign performance.

5. Content Performance Modeling

• Build models that:
• Predict creative success for new ads, videos, and text.
• Backtest models using historical data.
• Score and provide insights into what aspects of content perform best.

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Data Scientist
£400 per day | Outside IR35 | Remote-First (occasional Central London days)
6-month contract | Immediate Start

We are looking for a mid-level Data Scientist to join a fast-moving project focused on predictive analytics. This is an opportunity to make a real impact – refining existing algorithms and building new models to improve business performance.

The Role:

• Analyse and improve an existing predictive algorithm.

• Develop new models focusing on propensity and churn prediction.

• Work with large datasets using Python and SQL.

• Communicate findings clearly and collaborate with technical and non-technical stakeholders.

What We’re Looking For:

• Solid hands-on experience in predictive analytics, especially around propensity modelling and churn analysis.

• Strong technical skills in Python (Pandas, Scikit-learn, etc.) and SQL.

• Excellent communication skills – able to explain complex insights clearly.

• Self-starter attitude with the ability to work independently in a remote-first environment.

• Available to start immediately.

Details:

• Rate: £400 per day

• IR35 Status: Outside IR35

• Location: Remote-first (occasional visits to a Central London office)

• Duration: 6 months

Please reach out to Grace McCrudden at Harnham for more information

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Adobe Campaign Developer (Standard)
Location: Hybrid – London Bridge (3 days per week onsite)
Rate: £350 per day (Outside IR35)
Duration: Initial 2-month contract (with potential to extend)

My client is on the lookout for a technically competent Adobe Campaign Standard Specialist to join a fast-paced team delivering BAU campaigns across multiple projects. This role is ideal for someone who thrives in a dynamic environment and can hit the ground running without the need for onboarding or training.

Key Responsibilities:

• Deliver and manage templated but nuanced BAU campaigns using Adobe Campaign Standard

• Configure and deploy multi-touchpoint automations and triggers across email and push (email-led, but typically 1 push per 5 emails)

• Leverage the Adobe Content tool for advanced dynamic personalisation

• Ensure high standards through rigorous quality assurance practices

• Work across a blend of campaign types

• Navigate multiple go-lives simultaneously in a fast-paced setting

Must-Have Experience:

• Proven hands-on experience with Adobe Campaign Standard

• Proven ability to work independently with minimal ramp-up time

• Expertise in dynamic content and personalisation via Adobe Content tool

• Solid understanding of trigger-based automations and cross-channel orchestration

• Strong focus on QA and campaign accuracy

• Comfortable working in a high-volume, multi-project environment

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I’m working with a client who is looking for a Data Engineer to take ownership of their data infrastructure as they build out a brand-new insurance-focused product suite. This is a rare opportunity to work directly with experienced data leaders who’ve collaborated on SAP and insurance projects before and are now gearing up to launch their new platform.

The business has secured 60% of its funding and is about to sign its first client. They’ve already designed tooling for AI, data migrations, and integrations-and now need someone to help build out these tools on top of Informatica, while translating SAP requirements and setting up robust data infrastructure in the cloud.

Please apply if the below sounds exciting to you-but only if you have strong experience with SAP, Informatica, and AWS.

Key Responsibilities

• Build and optimize scalable data pipelines on Informatica

• Translate SAP data requirements into Informatica-based solutions

• Design tooling for AI, data integration, and migration workflows

• Lead the technical setup of Informatica across core modules, including:

  • Data Governance & Catalog

  • Data Ingestion & Replication

  • Data Integration

  • Data Quality & Profiling

  • Metadata Command Centre

• Support data policy development and data catalog management

• Collaborate with a high-level data team to shape data infrastructure from the ground up

Your Experience & Skills

• Proven hands-on experience with SAP, Informatica, and AWS – please only apply if you have recent experience here.

• Strong understanding of data governance and metadata management

• Experience building data integration and ingestion solutions in Informatica

• Familiarity with setting up full-stack Informatica environments

• Clear communication skills and the ability to work with technical and non-technical stakeholders

• A quality-first mindset: this team values robust engineering over rushing deadlines

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URGENT ROLE: Research Director/Senior Research Consultant

Part-Time: 2-3 days per week

Day Rate: £380 – £400/DAY Outside ir35

Length: 1 Month initially

One of the world’s leading market research agencies is urgently hiring a Research Director/Senior Research Consultant to lead a major multi-country segmentation programme for a top-tier FMCG client.

What You’ll Do:

• lead a multi-market segmentation project, from design through to delivery.

• Translate complex consumer data into a clear strategic direction for brand and innovation teams.

• Partner closely with client stakeholders to embed segmentation into business planning and activation.

• Support additional brand tracking and innovation research streams as needed.

What You Bring:

• Deep experience delivering segmentation projects across global markets.

• Strong understanding of analytical techniques: Cluster analysis, Factor analysis, MaxDiff, Conjoint, etc.

• Ability to connect data with strategy-turning insight into clear commercial action.

• Background in FMCG or related consumer categories.

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Gaming Data Engineer (Contract)
£550-£600 per day, Outside IR35
6 months
Remote (Must be UK Based)

Company Overview:
A leading global free to play gaming platform offering free-to-play games with optional paid content.
This opportunity comes through the company’s newly appointed Chief Data Officer, who is leading a major data transformation initiative. The primary focus is on leveraging customer data more effectively, with an emphasis on improving diversity within the tech space. This role provides an opportunity to contribute directly to a strategic data transformation effort.Historically, the company’s data products have not been fully utilized or repurposed. The Chief Data Officer is now leading efforts to optimize the existing data platform and gain deeper insights into customer behavior-particularly regarding VIP customers. The goal is to identify, understand, and engage VIP customers more effectively while streamlining their journey through data-driven solutions.

Key Responsibilities:

• Identify and profile VIP customers based on data insights.

• Work on data wrangling and expose data via APIs for various stakeholders.

• Build visualizations to help product teams understand usage and engagement.

• Collaborate with the data science team to ensure the product is data-driven.

• Improve ETL pipelines and enhance data accessibility for seamless decision-making.

Tech Stack:

• Databricks

• AWS

• Python

• Kafka (Confluent)

• Tableau / Power BI

• API development experience

Contract Length:
6 months

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Job Title: CRM Consultant (Braze & Bloomreach)
Location: Remote (UK-based)
Contract: 3-6 months (Inside IR35)
Day Rate: £350 per day

Our specialist data and business consultancy client are currently seeking a skilled CRM Consultant to support a number of key client initiatives. This is a contract role for an initial 3 to 6 months, offering the opportunity to make a tangible impact on high-profile projects in a fast-paced environment.

Key Responsibilities:

• Lead the planning, execution, and optimisation of CRM campaigns across digital channels.

• Use Braze and Bloomreach to build and deliver personalised customer journeys and data-driven communications.

• Work closely with clients and internal teams to understand business objectives and translate them into effective CRM strategies.

• Provide technical CRM expertise and platform best practice to maximise campaign effectiveness.

• Monitor campaign performance and present actionable insights to stakeholders.

Essential Skills & Experience:

• Hands-on experience with both Braze and Bloomreach is essential – applicants without this will not be considered.

• Proven track record of delivering CRM strategies and campaigns in a consultancy or client-facing environment.

• Strong understanding of customer lifecycle marketing, segmentation, personalisation, and automation.

• Confident working with data teams and interpreting customer data to inform strategy.

• Excellent communication and stakeholder management skills.

Additional Information:

• This role is offered on a contract basis, inside IR35.

• The position may need some time onsite in London.

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Job Title: z/OS System Programmer
Location: Sheffield (Hybrid – 2/3 days per week)
Contract Type: Inside IR35
Client: Financial Services
Duration: 6 months initially (Long-term project potential)

About:
We are working with a a consultancy focused on Digital Transformation, Big Data & Cloud Solutions, Cybersecurity Strategies, and leveraging AI/ML for innovation. They also offer Managed Services.

Skills Required:

• z/OS Operating System: Experience in upgrading, maintaining, and supporting.
• ISV Products: Experience with products from IBM and Computer Associates (CA).
• Mainframe Systems Programming: Extensive experience required.
• z/OS Knowledge: Proficient in SMP E, TSO, ISPF, USS, SDSF, and JCL.
• IBM and CA Products: Ability to work independently.
• Problem Solving: Excellent problem determination skills and a team player.
• Goal Achievement: Ability to set and exceed short, medium, and long-term goals.
• Communication Skills: Ability to communicate complex information clearly and effectively to a wide range of audiences.
• Networking: Build relationships and networks across business areas.
• Business Planning: Experience creating and deploying comprehensive business operating plans.
• Risk Management: Strong understanding of risk management and regulatory compliance.

Additional (Not Essential) Skills:

• Assembler Automation
• GDPS, Rexx, and CLIST skills
• Proficiency in Top Secret
• Performance Monitoring: Experience with Omegamon, RMF, SMF, and SAS.

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Data Scientist

Hybrid (1 day in either the London or Reading office)
6 month contract
ASAP start
£450-500 a day/ outside IR35

You will be develop ML models, support data migrations, and integrate third-party APIs for predictive feasibility tools.

Requirements:
– Proven experience with ML, data mining, and wrangling
– Strong Python skills and Git for version control
– SQL expertise
– Experience with API integration and third-party data services
– Strong problem-solving and analytical skills
– Clear documentation of models, workflows, and performance metrics
Excellent communication skills for technical and non-technical audiences
– Agile/Kanban experience is a plus
– AWS (preferred) or Azure experience desirable

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