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Data Engineer

Salary: £83,000

Location: London (3 Days in Office)

Shape the future of data-driven decision-making by transforming raw information into trusted, insight-ready assets. Join a team where analytics engineering fuels innovation, intelligence, and impact across the business.

The Opportunity

This is an exciting opportunity to help shape the foundation of a modern, data-enabled organisation. You’ll design and build scalable analytics models and pipelines that transform raw data into trusted insights, powering smarter decisions across every level of the business.

Working at the intersection of data engineering and analytics, you’ll bring structure, governance, and innovation to complex data ecosystems. The role offers the chance to influence how data drives strategy, automation, and AI adoption. It’s a perfect fit for someone who’s passionate about clean design, collaboration, and the pursuit of data excellence.

Role and Responsibility

This role focuses on designing and maintaining scalable cloud infrastructure while driving automation and reliability across environments. You’ll leverage Terraform for Infrastructure as Code and Kubernetes for container orchestration, ensuring efficient deployments and robust system performance. Working within Azure, you’ll integrate advanced analytics platforms like Databricks and build data pipelines using Python and PySpark to support large-scale processing.

The position also involves optimising data models, delivering insights through Power BI, and managing relational data with SQL. Collaboration with engineering and analytics teams will be key to enhancing architecture, security, and reporting capabilities. This is an opportunity to shape infrastructure and data strategy while delivering high-impact solutions in a dynamic environment.

Interview Process

1. Introductory Chat
2. Technical and Stakeholder Conversation with Senior Team

Apply now to help shape the future of data-driven decision-making and make your mark in a truly analytics-led environment.

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Senior Software Engineer (Python)

Hybrid London (2 days/week)

Up to £100,000 + Benefits

We’re hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This is a senior IC role for engineers who enjoy ownership, solving complex problems, and setting a high bar for engineering quality.

What you’ll do:

• Lead delivery of complex, cross-service features

• Make pragmatic architecture and design decisions

• Own services end-to-end, including performance, reliability, and incident response

• Set standards for testing, observability, and security

• Mentor engineers and contribute to strong team practices

• Collaborate closely with Product, Design, and Data teams

What we’re looking for:

• Strong experience as a Senior Software Engineer in modern product teams

• Proven ability to design and deliver scalable, reliable systems

• Experience operating production services

• Strong coding, code review, and technical leadership skills

• Comfortable working through ambiguity and influencing technical direction

Why apply?

• Salary up to £100,000

• Hybrid working – 2 days per week in the London office

• High ownership, high-impact role

• Strong engineering culture focused on quality and reliability

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Head of Data & Insights
Maternity Cover, Fixed Term Contract (9 months)
London, Hybrid (3 days in office)

Salary up to £120,000

A high growth, purpose driven organisation in the green tech space is looking for an experienced Head of Data & Insights to join on a fixed term basis. This is a senior leadership role reporting into the CFO, taking ownership of the data function during a critical period of growth.

You will lead a growing team of 3 across engineering and analytics, owning the data roadmap, embedding best practice, and ensuring high quality insights are delivered to support commercial and operational decision making. The function is newly established, giving you the opportunity to shape processes, standards, and ways of working from the top down.

The role will involve:

• Leading and developing a team of data engineers and analysts
• Owning the data and insights roadmap and embedding request and delivery processes
• Partnering with senior stakeholders to translate business needs into actionable insights
• Overseeing KPI dashboards, executive reporting, and BAU analysis
• Supporting demand forecasting and machine learning initiatives
• Setting direction for the data platform across AWS, Snowflake, and Power BI
• Championing data quality, governance, and a single source of truth across the business

We are looking for:

• Strong commercial mindset with the ability to influence senior stakeholders
• Proven experience leading analytics or data teams
• Hands on capability with SQL, Python, and BI tools, Power BI preferred
• Experience with cloud based data platforms, AWS and Snowflake beneficial
• Excellent communication and data storytelling skills
• Comfortable operating in a fast paced, high growth environment

What is on offer:

• Hybrid working with 3 days in the London office
• 25 days holiday plus bank holidays and additional personal days
• Private medical and dental insurance, life assurance, and income protection
• A mission driven culture within a certified B Corp organisation

If you are an experienced data leader looking for a high impact contract role in a business driving the transition to sustainable transport, this is a rare opportunity.

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Data Engineer (Mid-Level)

Hybrid – London

Up to £75,000

We’re hiring a Data Engineer with 3+ years’ experience to join a growing data team within a leading media and digital organisation. This is a hybrid role offering the chance to build reliable data pipelines that support analytics, advertising, and digital products used at scale.

What you’ll do:

• Build and maintain ETL/ELT pipelines using Python and SQL

• Orchestrate workflows with Airflow

• Work with cloud data platforms (AWS/GCP, BigQuery/Redshift)

• Improve data quality, monitoring, and reliability

• Collaborate with analysts and engineers to deliver trusted data

What we’re looking for:

• 3+ years’ experience in data engineering

• Strong SQL and Python skills

• Experience with Airflow or similar orchestration tools

• Cloud data experience (AWS or GCP)

• Solid understanding of modern data engineering best practices

Nice to have:

• dbt, Terraform, or Docker experience

• Exposure to BI tools (Looker, Power BI)

Why apply?

• Salary up to £75,000

• Hybrid working

• High-impact role in a data-driven environment

• Clear scope to grow and develop your data engineering skills

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AWS Cloud Engineer – (AWS Certified – Essential)

London – Remote

Up to £85,000 / £90,000

We’re hiring an AWS Cloud Engineer to help design and scale secure, automated cloud infrastructure for a fast-growing AI platform.

⚠️ Essential certification (one required):

• AWS Certified Solutions Architect – Professional

• AWS Certified DevOps Engineer – Professional

What you’ll do:

• Build and operate scalable AWS infrastructure

• Develop Infrastructure as Code using AWS CDK (Python/TypeScript) and Terraform

• Create and maintain CI/CD pipelines (GitHub Actions)

• Automate deployments, monitoring, and operations

• Collaborate with engineering teams to support production systems

What we’re looking for:

• Proven experience as an AWS Cloud / DevOps Engineer

• Strong Python or TypeScript skills

• Hands-on AWS, IaC, and CI/CD experience

• Solid understanding of cloud security and networking

• AWS Professional-level certification (essential)

Nice to have:

• Docker/Kubernetes experience

• Exposure to AI or ML workloads

If you’re an AWS-certified engineer who enjoys automation and building robust cloud platforms, this is a great opportunity to make an impact.

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Data Analyst

Up to £35,000

Manchester – Hybrid (2 days in office)

The Client

We’re working with a global marketing agency that partners with household-name brands across multiple international markets. They’re looking to hire a Marketing & Customer Analyst to join their growing analytics function and play a key role in driving insight-led decision-making.

The Role

As a Marketing & Customer Analyst, you’ll work across two key areas: marketing performance analysis and customer analytics. This is a hands-on, insight-driven role within a dynamic agency environment.

Marketing Optimisation & Performance Analysis

• Analyse paid media performance across platforms including Google Ads, LinkedIn, and Campaign Manager 360
• Build and maintain dashboards using Power BI (with exposure to Looker and Tableau)
• Evaluate creative effectiveness, headlines, bidding strategies, and regional performance
• Combine data from multiple sources, including GA4 and Adobe Analytics, to deliver actionable insights
• Translate analysis into clear recommendations that directly inform marketing decisions

Customer Analytics

• Analyse customer behaviour, loyalty, membership, and purchasing trends
• Identify patterns, changes, and underlying drivers behind customer actions
• Create clear, impactful visualisations and presentations for stakeholders
• Communicate insights in a way that supports commercial decision-making

Additional Responsibilities

• Contribute to ad-hoc insight projects across the agency
• Support cross-client and cross-sector analytical initiatives

Skills & Experience

• Strong experience with Power BI and Looker
• Experience with GA4 and Adobe Analytics
• Previous experience in a marketing agency or analytics-focused environment

Please note we cannot offer sponsorship for this position.

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COMMERCIAL ANALYST – FINTECH
£60-80,000
LONDON

THE COMPANY

This unique FinTech are growing significantly and have ambitious plans for their next phase. They pride themselves on a fast-paced and dynamic environment where you can really make a difference and the customer comes before profit.

THE ROLE

• Working closely with existing and new aggregators to improve performance and funnel conversion
• Developing pricing strategy and market analysis in order to drive profitability
• Working with large data sets to spot trends, identify opportunities for enhancement and more widely track business performance
• Conducting comprehensive pricing analyses and crafting actionable recommendations based on performance insights.

YOUR SKILLS AND EXPERIENCE:

• Prior experience working with aggregators within financial services is essential
• Experience developing pricing or commercial strategies
• Prior work in analysing data sets and driving insights into commercial outcomes
• Some experience using SQL

SALARY AND BENEFITS

• £60-80,000 base salary depending on experience
• Flexible working model
• Equity options
• Company pension scheme
• Private medical care

HOW TO APPLY

Please register your interest by sending your CV to Rosie Walsh through the ‘Apply’ link

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Senior Software Engineer

Salary: Up to £75,000

Hybrid – 2 days a week in office (London/Brighton/Cardiff)

Why join us?
We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse perspectives, collaborative teams, and a culture that puts people first. Backed by a global media and content network, we build tools that reach real audiences at scale.

The role
As a Senior Software Engineer, you’ll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content teams. You’ll own solutions end-to-end, driving innovation, performance, and reliability.

Hybrid: 2 days per week in the Cardiff office

What you’ll do

• Design, build, and ship innovative tools, apps, and automation
• Deliver reliable, scalable solutions that solve real business problems
• Champion engineering best practices (CI/CD, testing, documentation)
• Work with cloud platforms and internal/external APIs
• Integrate data from multiple sources into insightful tools and dashboards
• Communicate clearly with technical and non-technical stakeholders
• Contribute to the evolution of a proprietary media technology platform

What we’re looking for

• Experience delivering greenfield or early-stage products
• Strong skills in JavaScript/TypeScript, Python, or similar
• Cloud experience (GCP preferred), including serverless development
• Solid SQL and data warehouse experience (e.g. BigQuery)
• Experience with automation and modern front-end frameworks (e.g. React)
• Exposure to AI-powered tools, agents, or workflows is a plus
• Clear communicator, self-starter, and creative problem solver

Benefits
Flexible working, wellbeing allowance, enhanced parental pay, charity & study days, life assurance, and more.

Location & eligibility
UK-based role. Right to work in the UK required (no visa sponsorship available).

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MARKETING & CUSTOMER ANALYST
£30,000-£35,000 | Hybrid (2 days/week) | Leeds, Manchester,

THE COMPANY
Central data team at a fast-growing UK marcomms group working across multiple agencies (CRM, media planning, PR, specialist marketing). Support brands like Three Mobile, Shell, and Which? with data strategies, insights, and MarTech solutions. B2C and B2B clients across UK and worldwide.

THE ROLE
Marketing & Customer Analyst working on two main areas: marketing optimization and customer analytics. Full-time permanent role with hybrid working (2 days/week in office). Choose your base location from Leeds, Manchester, or Uppingham.

WHAT YOU’LL DO
Marketing Optimization Analysis:
– Analyze digital marketing campaigns across Google Ads, Meta, LinkedIn, DV360
– Build Power BI and Looker dashboards for campaign performance
– Analyze creative effectiveness, headline performance, bidding strategies, regional optimization
– Combine data from Adobe Analytics and GA4 to conduct analysis in Excel
– Deliver actionable recommendations that inform marketing decisions

Customer Analytics:
– Dive into customer behavior analysis using Excel and Power BI
– Uncover insights about loyalty patterns, membership dynamics, purchasing behaviors
– Present compelling visualizations in PowerPoint
– Identify trends, spot changes, understand the ‘why’ behind customer actions
– Communicate findings that drive business decisions

Additional:
– Contribute to insight projects
– Work on cross-agency initiatives
– Exposure to different sectors and analytical challenges

WHAT YOU NEED
Essential:
– 1-4 years in marketing analytics
– Marketing agency experience
– Strong Excel skills (advanced functions, pivots, data manipulation, analysis)
– Excellent PowerPoint skills for client-facing presentations
– Strong Power BI and Looker skills for dashboard development and visualization
– Experience with GA4 and Adobe Analytics
– Experience handling paid media data sources (Google Ads, Meta, LinkedIn, DV360)
– Strong grasp of marketing metrics and KPIs (ROAS, CPL, CTR, conversion rates)
– Experience analyzing customer behavior patterns (loyalty, retention, purchase behavior)
– Strong analytical skills – interrogate data, identify patterns, conduct robust analysis
– Ability to communicate insights effectively – translate complex findings into clear narratives
– Excellent presentation and communication skills (written and verbal)
– Intellectually curious and adept at problem-solving
– Comfortable in fast-paced agency setting with multiple stakeholders
– Able to work independently and manage varied workstreams

Desirable:
– Familiarity with Tableau
– Experience with social listening tools (Brandwatch, Hootsuite Insights)
– Stats or Maths degree

TECH STACK
GA4 (essential) | Adobe Analytics (essential) | Power BI (essential) | Looker (essential) | Excel (essential) | PowerPoint (essential) | Google Ads | Meta | LinkedIn Ads | DV360

WHAT’S ON OFFER
– £30-35k depending on experience
– Hybrid working – 2 days/week in office
– Choose your base: Leeds, Manchester, or Uppingham
– Work with recognized brands (Three Mobile, Shell, Which?)
– Exposure to multiple clients and analytical challenges
– Supportive, collaborative data team environment
– 25 days holiday per year
– Company pension
– Life assurance
– Private health insurance via Vitality
– 1 paid charity day per year
– Cycle to work scheme
– Season ticket loan
– Ongoing career progression initiatives

INTERVIEW PROCESS
1. 30-minute introductory interview (Microsoft Teams) with Data Partner – getting to know you, your background, the role and team
2. Technical interview (1 hour, Microsoft Teams) with Data Partner and Head of Data Strategy – short task to complete beforehand and present during session, exploring technical capabilities, problem-solving approach, and how you communicate insights

Timeline: 2-3 weeks

WHY THIS ROLE
Variety of work – not stuck on one client or one type of analysis. Marketing optimization one week, customer behavior the next. Brand exposure with recognizable names. Central team position – you’re the specialist agencies come to. Supportive environment focused on collaboration and growth.

HOW TO APPLY
Send CV to Mohammed Buhariwala at Harnham highlighting:
– GA4 and Adobe Analytics experience
– Power BI and Looker skills
– Marketing agency background
– Campaign performance analysis or paid media work
– Customer analytics experience (loyalty, retention, purchase behavior)
– Marketing metrics you’ve worked with (ROAS, CPL, CTR, conversion rates)
– Stakeholder presentations or client-facing work

Keywords: Marketing Analytics, Digital Analytics, Customer Analytics, GA4, Adobe Analytics, Power BI, Looker, Agency, Leeds, Manchester, London

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QUALITATIVE RESEARCH DIRECTOR
UP TO £95,000 + discretionary bonus
LONDON – HYBRID – 3 DAYS A WEEK

Please note: you must have full UK right to work and be open to regular European (and occasional international) travel.

ABOUT THE BUSINESS
This boutique market research consultancy is part of a larger global marketing group, offering the agility of a small, specialist team with the backing and reach of an international network. The business is in a clear phase of growth, expanding its UK team following recent change and increased client demand.

The consultancy partners with major global brands across sectors including automotive, FMCG, consumer goods, and technology. A significant proportion of work is focused on automotive research, supporting clients through complex, multi-year product development programmes.

The organisation is known for deep, immersive qualitative research, combining strategic insight with hands-on fieldwork to deliver commercially meaningful outcomes.

THE TEAM
You’ll join a close-knit UK qualitative research team within a wider international consultancy of around 70 people globally. The UK team is small, collaborative, and fast-moving, with individuals expected to be hands-on and highly adaptable.

The environment suits people who enjoy variety, autonomy, and responsibility. Everyone contributes across proposals, delivery, analysis, and client engagement, with limited hierarchy and a strong sense of shared ownership.

This role will involve some line management, alongside significant project leadership and day-to-day stakeholder management.

THE ROLE
This is a senior, client-facing Qualitative Research Director position, focused primarily on automotive research. The role sits at a pivotal point in the team, taking ownership of high-profile accounts and complex, multi-market projects.

You’ll lead end-to-end qualitative research programmes, from proposal writing and costing through to fieldwork, analysis, and strategic storytelling. Projects frequently involve immersive, in-person research, including extended ethnographies and international travel.

The role combines strategic oversight with hands-on delivery and will suit someone comfortable operating in a small, agile consultancy where everyone “rolls up their sleeves”.

KEY RESPONSIBILITIES
Research Leadership & Delivery

• Lead complex qualitative research programmes across automotive and other consumer sectors.
• Design and deliver methodologies including focus groups, in-depth interviews, online communities, comms testing, and ethnographic fieldwork.
• Manage end-to-end project delivery, ensuring quality, rigour, and commercial relevance.

Client & Commercial Ownership

• Own senior client relationships and act as a trusted research partner.
• Write proposals, scope projects, manage costs, and oversee profitability.
• Confidently present findings and recommendations to senior stakeholders.

Fieldwork & Analysis

• Conduct immersive, in-person research, including extended ethnographies (often several hours with a single participant).
• Lead analysis and insight development, translating consumer understanding into clear, actionable narratives.
• Support innovation and NPD projects from early exploration through to prototyping and refinement.

Team & Project Management

• Provide line management to at least one direct report.
• Lead multi-disciplinary project teams, coordinating timelines, outputs, and stakeholders.
• Contribute to the ongoing development of best practice within the qualitative team.

SKILLS & EXPERIENCE REQUIRED

• 7-10 years’ experience in market research, with a strong qualitative focus.
• Proven experience working within the automotive sector (essential).
• Background in consultancy or agency environments preferred.
• Strong experience in ethnographic research and immersive fieldwork.
• Confident proposal writing, project costing, and commercial management skills.
• Experience managing projects and mentoring junior team members.
• Comfortable working in a small, fast-paced, highly collaborative team.
• Willingness to travel regularly across Europe and occasionally further afield.

WHY APPLY?

• Join a growing consultancy at a pivotal stage of expansion.
• Work on high-impact, global automotive research projects.
• Enjoy a senior, visible role with genuine autonomy and influence.
• Be part of a small, agile team backed by a global marketing network.
• Benefit from flexible working, discretionary bonus, and international exposure.

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