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Lead AI Engineer
London
£130,000 – £140,000 + Bonus

The Role:

A well-known brand in the UK is building an AI team in 2026, starting with 4x AI Engineers (1x mid-level, 2x Snr AI Engineers and 1x Lead AI Engineer).

The scope of the role is extremely broad, offering the chance to come in and deliver impact all business areas.

With strong investment from the board and CEO, this team will utilise the latest techniques and innovation in AI to deliver value at a business-wide level.

You will be the voice for AI within the company and be responsible for helping to an AI strategy, identifying key projects to deliver significant value and impact.

NB: This role does not involve direct people management to begin with, but there will be opportunities (if wanted) as the team grows.

You:

• Experience in leading the delivery of AI solutions within an organisation from beginning to end
• Strong technical experience across traditional data science and machine learning as well as AI
• Stakeholder management experience – utilising communication skills
• Technical leadership within the (growing) team – mentoring junior members of the team
• Innovation is a key part of this role

Salary:

In this role you can earn between £130,000 – £140,000 + benefits (including a 20% bonus OTE)

The Process:

1. Virtual Interview
2. Virtual (technical) interview
3. In-person interview

KEYWORDS

Data Scientist, Data Science, Machine Learning, Artificial Intelligence, AI, AI Engineer, LLM, RAG, Langchain.

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Data Delivery Lead
Watford Junction | Hybrid 3 days per week
Up to £85,000 + bonus

We’re working with a well-known UK entertainment and gaming organisation undergoing a major digital and data transformation. With significant investment into modern platforms, analytics capability and CRM infrastructure, this business is shifting towards a far more customer-centric, insight-driven operating model.

The Role

This is a senior delivery and functional leadership position within the data organisation, reporting directly into the Head of BI.

You’ll act as the single point of accountability for analytics and BI delivery, owning initiatives from initial business requirement through to build, release and adoption.

While this is not a Project Manager role, it requires strong ownership of delivery, prioritisation and stakeholder management across multiple concurrent initiatives.

Key Responsibilities

• Own end-to-end delivery of BI, analytics and data products

• Act as the functional lead across Business Analysis, Data Engineering and Reporting

• Manage 3 direct reports, each owning a core vertical

• Provide indirect leadership across teams of 15-20 including permanent staff and suppliers

• Partner closely with Product Owners and senior stakeholders across Marketing, CRM, Finance and Operations

• Translate business problems into clear, deliverable analytics solutions

• Set priorities, manage dependencies and allocate resources effectively

• Balance short-term delivery with longer-term roadmap and platform planning

• Ensure teams understand upcoming work and are staffed appropriately

Team Structure

This role leads across three core functions:

• Lead Business Analyst overseeing a BA team

• Data Engineering Manager owning platform and pipelines

• Reporting Engineering Manager responsible for Power BI and reporting

You will work closely with Architecture, QA and Operations to ensure solutions are delivered in the right strategic direction.

What They’re Looking For

• Strong experience owning BI or analytics delivery in complex environments

• Proven stakeholder management and business partnering skills

• Background working with Power BI and modern reporting stacks

• Experience leading cross-functional delivery teams

• Comfortable operating at both strategic and hands-on levels

• Able to challenge, prioritise and drive outcomes rather than simply report progress

Experience in regulated industries or high-volume consumer environments is beneficial but not essential.

Why This Role

• Senior leadership position with genuine ownership of data delivery

• High visibility across the business with executive stakeholder exposure

• Opportunity to shape how BI and analytics are embedded into decision making

• Clear impact on revenue growth, cost reduction and operational efficiency

• Hands-on role that stays close to delivery without micromanaging teams

• Hybrid working model with long-term transformation underway

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Principal/Founding AI Engineer specializing in Agentic GenAI & Medical Data

Company Overview

Join a rapidly growing medical-tech startup, backed by $75M+ in funding, building a 3-sided marketplace transforming how healthcare connects, transacts, and personalizes patient experiences. We’re a product-led, remote-friendly team with engineering and commercial operations in the US and Croatia.

Role Overview

As a Senior Software Engineer, you’ll architect and develop agentic GenAI workflows leveraging Python, Django, and cutting-edge AI/ML tools. You will be responsible for designing internal platforms built on sensitive medical datasets, deploying market-facing solutions, and collaborating closely with commercial and AI teams to iterate rapidly.

Key Responsibilities

• Build agentic GenAI workflows using proprietary and medical datasets.
• Lead GenAI & workflow orchestration for healthcare data and knowledge management.
• Develop and optimize marketing technology: email delivery, user engagement, personalization solutions, and growth engineering initiatives.
• Prototype, productize, and validate commercial AI models-understand and model clinician behavior, prescription workflows, and intelligent decision systems.
• Write production code for backend (Python/Django), ensure robust system architecture, and lead technical implementation cycles.
• Partner with cross-functional teams across the US and Croatia to deliver rapid, validated product iterations.

Skills & Experience

• Proven backend expertise: Python and Django in production environments.
• Frontend experience: React (modern best practices).
• Cloud/infrastructure: AWS (deploying, scaling, monitoring).
• Databases: PostgreSQL; ability to optimize for large medical/structured datasets.
• AI/ML: Experience with OpenAI and agent knowledge systems strongly preferred. Track record training or managing AI agents a plus.
• Nice-to-have: Direct experience handling medical/healthcare data.
• Scalability: Experience architecting knowledge systems with large-volume data indexing, not high-throughput but focused on effective information retrieval.

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About the Role

Join a YC-backed seed-stage startup as an early ML hire, owning end-to-end model development for underwriting, risk scoring, and credit decisioning. You’ll work directly with founders to build production models that drive revenue and portfolio performance.

What You’ll Do

• Design, build, and deploy production ML models in Python for underwriting, risk scoring, and credit decisioning.
• Develop an elastic underwriting model that adapts to platform changes, cash flow dynamics, and evolving user behaviors.
• Implement feedback loops to analyze performance month-over-month, continuously refining risk thresholds and model features.
• Own the full ML lifecycle: data exploration, feature engineering, training, deployment, monitoring, and iteration.
• Integrate models with the TypeScript backend (Node.js/Express, Next.js, React Native) to power decisioning flows.
• Build high-quality datasets using financial data from Plaid, Stripe, and PostgreSQL (via Supabase).
• Contribute to ML infrastructure design on GCP, including model serving, orchestration, and observability.

Tech Stack

• Backend: Node.js/Express, Next.js, React Native (TypeScript)
• Data: PostgreSQL (Supabase), GCP
• Integrations: Plaid, Stripe
• ML: Python-based modeling and deployment

What We’re Looking For

• 2-4 years of professional experience deploying ML models to production.
• Strong Python skills with ML frameworks (scikit-learn, TensorFlow, PyTorch, XGBoost).
• Experience with risk scoring, credit decisioning, fraud detection, or similar applications.
• Familiarity with threshold optimization, calibration, and precision/recall tradeoffs in risk contexts.
• Comfortable working with PostgreSQL and cloud platforms (GCP preferred).
• Thrives in fast-paced, ambiguous environments with end-to-end ownership and quick iteration.
• Strong collaboration and communication skills across technical and non-technical teams.

Nice to Have

• Experience with Plaid, Stripe, or other financial data APIs.
• Background in fintech, lending, or credit underwriting.
• Experience building data/ML pipelines in early-stage startups.
• Experimentation experience (A/B testing, holdout validation).

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DATA ANALYST

GILLINGHAM – 3 DAYS A WEEK ONSITE

UP TO £60,000

THE COMPANY

This is a business on a real data journey. They’re scaling fast, investing heavily in analytics, and putting data at the centre of how they improve performance. If you want to join a company where analytics genuinely drives decisions, this is a great place to do it.

THE ROLE

As a Data Analyst, you’ll sit at the heart of how the organisation understands its operations. You’ll be digging into operational and service-centre data, mapping out full customer and process journeys, and turning numbers into clear, actionable insight for senior leadership. Reporting, dashboarding and performance analysis are a huge part of the role, and you’ll work closely with finance, ops and leadership to highlight what’s working – and where the opportunities are.

You’ll be responsible for:

• Exploring complex operational datasets to surface trends, issues and opportunities
• Mapping end-to-end processes and identifying areas for efficiency
• Building and owning Power BI dashboards used for real-time decision-making
• Presenting insight and recommendations to senior stakeholders
• Maintaining data quality and consistency across systems
• Highlighting data/process gaps and supporting business cases for change

YOUR SKILLS & EXPERIENCE

To be successful, you’ll need:

• Proven experience as a Data Analyst, ideally within retail, automotive or manufacturing
• Strong Power BI capability
• Solid SQL for pulling and interrogating large datasets
• Advanced Excel skills
• Experience creating dashboards and visualisations
• Strong communication skills, with the ability to translate data for non-technical teams
• Python experience is a nice-to-have, not a must

THE BENEFITS

• Salary up to £60,000
• Opportunity to shape the analytics function as it grows
• Direct exposure to senior decision-makers

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Head of Data Delivery

Watford Junction | Hybrid

Up to £90,000

A senior data leadership role responsible for owning the end-to-end delivery of data products, analytics and reporting across a large, regulated organisation. This isn’t a project management role. You’ll be accountable for what gets delivered, why it matters, and how teams are set up to deliver high-quality data products that drive real business value.

The role:

You’ll act as the single point of contact for data delivery, owning prioritisation from initial business requirement through to development completion. Working closely with Product Owners and senior stakeholders, you’ll balance strategic initiatives with high-impact smaller pieces of work, ensuring delivery is efficient, well planned and aligned to business goals. You’ll lead three core functions – Business Analysis, Data Engineering and Reporting.

What you’ll be doing:

• Owning the end-to-end delivery of data products, dashboards and data feeds
• Acting as the single point of contact for analytics and reporting delivery
• Partnering with Product Owners and senior stakeholders to shape priorities
• Translating business problems into clear, deliverable data solutions
• Leading planning and prioritisation across BA, engineering and BI teams
• Ensuring delivery quality, efficiency and consistency across the function
• Keeping teams focused on initiatives that drive commercial and regulatory impact
• Staying close enough to the detail to challenge, support and guide teams effectively

Your skills & experience:

• Extensive experience leading BI, analytics or data delivery functions
• Proven delivery of complex, large-scale data or analytics programmes
• Strong background in business partnering and stakeholder management
• Comfortable owning prioritisation, trade-offs and delivery outcomes
• Experience working across Business Analysts, Engineers and BI teams
• Hands-on understanding of reporting and analytics (Power BI preferred)
• Experience in regulated or complex environments is highly beneficial
• Able to quantify and communicate the value of data products to the business

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Data Delivery Lead

Location: Watford (Hybrid – 3 days per week in the office)
Type: Full-time
Function: Business Intelligence / Data

Overview

Our client is a large, regulated, consumer-facing organisation undergoing a major data and analytics transformation. They are investing heavily in modern BI capabilities and are seeking a senior Data Delivery Lead to partner with the business and drive high-impact analytics delivery.

This role combines strategic ownership of the BI roadmap with hands-on expertise and strong stakeholder leadership.

Key Responsibilities

• Own and deliver a domain-level BI and analytics roadmap aligned to business priorities
• Act as senior BI partner to key business functions (e.g. Finance, Marketing, Operations)
• Lead and mentor Business Analysts and BI specialists, setting best practices and standards
• Oversee end-to-end analytics delivery (requirements → build → UAT → release)
• Provide expert guidance on BI tools (Power BI or equivalent), including modelling and optimisation
• Ensure data quality, governance, and compliance in a regulated environment
• Drive adoption of self-service analytics and reduce ad-hoc reporting demand
• Champion innovation and continuous improvement across reporting and analytics

Skills & Experience

• Extensive experience in BI / analytics delivery
• Strong background in regulated or complex data environments
• Proven stakeholder management and business-partnering capability
• Hands-on Power BI (or equivalent) expertise
• Experience owning analytics roadmaps and prioritising competing demands
• Strong people leadership and mentoring experience
• Solid understanding of data governance, privacy, and compliance

Desirable

• Cloud data platform exposure (AWS preferred)
• Experience in large-scale transformation programmes

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FinOps Data Analyst Up to £47,000 | Leicester | Hybrid (4 days onsite)

About the Role We’re working with a major UK retail brand to hire a FinOps Data Analyst for their Finance Analytics team. You’ll provide analytical support and reporting solutions across multiple finance functions, working closely with SQL engineers and Finance stakeholders.

This hands-on role uses SQL and Python daily to explore data, identify trends, and deliver actionable insights that drive financial decision-making. The team is modernising their data platform with Databricks and Medallion Architecture.

Key Responsibilities Build analytical solutions across 4 finance areas: Accounts Payable, Cash Accounting, Commercial Services, and Operations. Perform SQL-based data exploration, validation, and transformation. Use Python (Pandas/Numpy) for analysis, automation, and data profiling. Build Power BI dashboards to visualise financial metrics. Support analysis by exploring trends and anomalies. Engage with stakeholders to gather requirements and deliver analytical outputs.

Current Projects Databricks Modernisation: Exposure to Databricks as the team builds Gold Standard Medallion Architecture. Self-Service Analytics: Reducing queries (currently 60-70% of workload). BAU Finance Support: Ongoing analytics across AP, Cash, Commercial Services, Operations. Analytical Automation: Using Python/SQL to streamline recurring analysis. Future ML/AI: The team will explore machine learning applications.

Requirements Essential: Strong SQL (querying, joins, CTEs, window functions). Python for data analysis (Pandas, Numpy). Power BI experience (dashboard creation). Strong analytical mindset and communication skills. Able to work onsite in Leicester 4 days/week (5 days first 3 months).

Desirable: Databricks or modern cloud data platforms. Finance team or financial data experience. Data warehousing knowledge.

What You’ll Get Salary up to £47,000. Modern data tech (Databricks, Medallion Architecture). ML/AI exposure as team evolves. Hybrid working (4 days onsite after training). Career development in major UK retailer.

Interview Process Stage 1: Informal discussion with Analytics Manager (45 mins, virtual). Stage 2: In-person assessment (3 hours total) – 2 hours analytical task using SQL/Python on provided dataset, 1 hour discussion reviewing your approach.

Working Arrangements First 3 months: 5 days/week onsite for training. After 3 months: 4 days/week onsite, 1 day remote.

To apply, submit your CV or contact us for more information.

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Data Analyst ( Power BI, SQL, DAX)

Location: Kent

Hybrid Working: 3 days a week in the office

Overview

We are seeking a Data Analyst to support data-driven decision-making across the business. The role focuses on analysing complex datasets, developing dashboards and reports, and translating insights into clear, actionable recommendations that improve performance and profitability.

Key Responsibilities

• Analyse operational and service data to identify trends, insights, and improvement opportunities.
• Map end-to-end processes to highlight inefficiencies and recommend enhancements.
• Develop and maintain dashboards and reports to support real-time decision-making.
• Work closely with senior stakeholders and cross-functional teams to deliver actionable insights.
• Present findings and recommendations in a clear, business-focused manner.
• Ensure data accuracy, consistency, and integrity across systems.
• Identify gaps in data or systems and contribute to improvement initiatives.

Skills & Experience

• Proven experience as a Data Analyst in a data-driven environment.
• Advanced Power BI experience.
• Strong SQL skills and experience working with large datasets.
• High proficiency in Excel.
• Experience with data visualisation tools; Python desirable.
• Strong analytical mindset and problem-solving skills.
• Ability to communicate insights clearly to non-technical stakeholders.

If you are interested in the role please apply. To follow up please email or message me on LinkedIn.

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POWER BI DEVELOPER

Up to £50,000 | Leicester (Hybrid) | Finance Team

THE COMPANY

A leading UK organisation investing heavily in modern analytics and building gold standard data infrastructure. Operating at scale with sophisticated finance operations, moving toward self-service reporting and exploring AI/data science initiatives.

THE ROLE

Join the finance team as Power BI Developer, building interactive dashboards for stakeholders across accounts payable, cash accounting, commercial services, and operations. Bridge between technical capabilities and business needs, gathering requirements and creating visual analytics.

The team is adopting modern medallion architecture and exploring data science/AI, offering growth opportunities.

WHAT YOU’LL DO

• Work directly with finance teams to understand reporting needs
• Build interactive, self-service Power BI dashboards
• Design robust data models and write complex DAX measures
• Drive adoption of self-service analytics (currently 60-70% of team handles queries)
• Contribute to gold standard medallion architecture implementation
• Collaborate with SQL engineers and analytics team

WHAT YOU’LL BRING

Essential:

• 1+ years hands-on Power BI experience
• Strong DAX skills (measures, calculated columns, complex calculations)
• SQL knowledge for querying and data structures
• ETL experience and data pipeline understanding
• Excellent communication and stakeholder engagement skills
• Requirements gathering with non-technical stakeholders
• Data storytelling ability
• Self-starter with proactive approach
• Strong interpersonal skills

Desirable:

• PL-300 certification or equivalent
• Finance or retail experience
• Self-service analytics background
• Modern data architecture knowledge
• Mathematics or quantitative degree

TECH STACK

Power BI Desktop & Service, DAX, SQL, ETL tools, modern data architecture (medallion architecture)

THE IDEAL CANDIDATE

You’re a communicator who loves working with business stakeholders. You’re comfortable being the face of analytics to finance teams, translating requirements into Power BI solutions people use.

You bring energy and ideas, technically strong but pragmatic. You’re excited about the team’s evolution toward new architectures and AI/ML.

WORKING ARRANGEMENT

Location: Leicester

Initial 3 months: 5 days/week onsite for training

Ongoing: 4 days/week office, 1 days remote

WHAT’S ON OFFER

• Salary: Up to £50,000
• Comprehensive benefits
• Career progression as analytics grows
• Exposure to modern data architecture and AI/data science
• Direct business impact
• Collaborative, innovative team

INTERVIEW PROCESS

1. Initial conversation (30-45 minutes)
2. Technical assessment (onsite, 3 hours) – 2-hour Power BI dashboard build
3. Competency interview
4. Possible final discussion

Timeline: 2-3 weeks

HOW TO APPLY

Send CV to Mohammed Buhariwala at Harnham:

+44 20 3854 4777

Keywords: Power BI Developer, BI Developer, DAX, SQL, ETL, Data Visualisation, Finance, Leicester, Hybrid

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