GTM/GA4 Specialist

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London / £300 - £330 day

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Salary
SALARY:

£300 - £330

Location

LOCATION

London

Job Type
JOB TYPE

Contract

Job Title: GA4 / GTM Specialist
Day Rate: £300-330 per day (Outside IR35)
Contract: 3 months
Location: Hybrid - 3 days per week in London office, 1 day remote
Start Date: ASAP

We're working with a leading digital agency who are looking for an experienced GA4 / GTM Consultant to join them on a 3-month contract. This is an exciting opportunity to work across a variety of high-profile client projects, helping to deliver best-in-class analytics and data tracking solutions.

Key Responsibilities:

  • Configure, implement, and optimise Google Analytics 4 (GA4) setups.

  • Deploy and manage tracking solutions via Google Tag Manager (GTM).

  • Support data integrity and troubleshoot tagging issues.

  • Collaborate with internal teams and stakeholders to ensure accurate data collection and reporting.

  • Provide insight into tracking strategies and best practices.

Skills & Experience:

  • Strong hands-on experience with GA4 and GTM.

  • Proven track record of delivering analytics implementations in a digital agency or similar environment.

  • Excellent troubleshooting and problem-solving skills.

  • Familiarity with BigQuery is a strong bonus.

  • Experience working with clients in the hospitality sector would be advantageous.

Please reach out to Grace McCrudden at Harnham for more info

CONTACT

Grace McCrudden

Recruitment Consultant

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GA4 and GTM Implementation Contractor

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£250 - £325

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GA4 and GTM Implementation Contractor
Agency
London – 2-3 days in the office
£250-£325 per day – Outside IR35

An innovative digital agency working across the Hospitality, Travel, Food & Drink, and Entertainment sectors is seeking an experienced Digital Analytics Implementation Contractor to join their dynamic team. This exciting opportunity is perfect for an analytics professional who thrives in a fast-paced, collaborative environment and is passionate about turning data into strategic business insights.

As the Lead Analytics Contractor, you will be pivotal in managing and executing analytics initiatives for multiple digital clients. Your primary focus will be on technical implementation, including setting up and maintaining GTM containers, tracking plans, and tagging. You will also analyse data, create dashboards, and provide actionable insights to both internal teams and clients.

Role & Responsibilities:

  • Lead technical analytics setup and management for client campaigns
  • Implement and optimise GTM containers, tracking plans, and tags
  • Perform in-depth data analysis to support marketing and business strategies
  • Collaborate with creative and performance teams to ensure accurate data collection
  • Manage and maintain client analytics accounts and reporting
  • Present clear insights and recommendations to stakeholders

Skills & Experience:

  • Proven experience with GTM setup, tagging, and tracking implementation
  • Strong analytical skills with the ability to interpret complex data
  • Experience with data visualization tools like Looker Studio (or similar)
  • Familiarity with BigQuery is advantageous
  • Excellent communication skills for client-facing presentations
  • Ability to work independently and manage multiple projects

Benefits

£250-£325 per day outside IR35, London based, 2-3 days in the office

How to Apply

Register your interest by sending your CV to Lloyd Dunstall via the Apply link on this page

GA4 / GTM / BigQuery / Looker / Tagging / Implementation

To Apply for this Job Click Here

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Senior Strategy Manager

Nottingham

£60000 - £70000

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Senior Strategy & Analysis Manager
Up to £70,000
Hybrid – London (3x days a week)

We’re working on an exciting opportunity for a strong commercial leader to step into a deputy role within a high-profile transport organisation. This role will play a pivotal part in shaping strategy, influencing senior stakeholders, and driving commercial performance.

THE ROLE

In this role you will:

  • Own business planning, forecasting, and commercial reporting (internal & to DfT)
  • Lead and mentor a team of 4 Analysts, driving performance and development
  • Provide analytical insight to support pricing, demand, and revenue protection strategies
  • Deliver the Annual Business Plan and core commercial models
  • Develop and refine the commercial team’s data and analysis strategy
  • Influence senior stakeholders and the board with clear, commercially relevant insights

YOUR SKILLS & EXPERIENCE

The successful candidate will have:

  • Experience in transport, rail, or a similar commercial environment
  • Strong understanding of demand forecasting and revenue management principles
  • Proven leadership or deputising experience in managing analytical teams
  • Ability to engage and present to both technical and non-technical audiences
  • Commercial acumen with the ability to challenge, validate, and influence decisions
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APPLY

Send your email to register your interest. Please note our client cannot offer sponsorship

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iOS Developer (Swift)


6 – 9 Months

2 days on-site (London)

£450 – £480 per day

Our client, a leading travel company, is seeking an experienced iOS Developer with strong data engineering and visualisation skills to join on a contract basis. This role sits within their internal digital team and will focus on enhancing a proprietary staff-facing mobile app that is already in daily use across the organisation.

The Project
The current app (v1) enables staff to record observations, customer service interactions, and key performance indicators. The next phase is to integrate data visualisation modules, allowing staff to view curated performance data in a simple, engaging way. These new features will help drive visibility, improve engagement, and support ongoing performance initiatives.

Key Responsibilities

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  • Write SQL for ETL processes (primarily on Teradata), moving data into AWS Cloud

  • Translate datasets into accessible, engaging visualisations

  • Work closely with stakeholders to gather requirements, feedback, and iterate improvements

  • Contribute to UX design through tools like Figma to ensure user-friendly delivery

  • Support UAT and assist non-technical users during rollout

  • Ensure security and compliance standards are met

Technical Requirements

  • Strong iOS development skills (Swift, MVVM framework)

  • SQL and ETL experience, ideally with Teradata and AWS S3

  • Proven experience building or embedding data visualisation within mobile apps

  • Exposure to UX/visual design tools such as Figma

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Senior Workday Analyst

New York – Hybrid

Up to $120k

You’ll join a close-knit team of 10 analysts who are currently creating clearer reporting lines and build a stronger, more focused People Technology function working for a Not-For-Profit in New York.

The Role

Your will own Workday configurations related to benefits, leave of absence, and time off management – plus playing a key role in integrations (with contractors handling the heavy integration work). You’ll be the go-to person ensuring these critical systems run smoothly and adapt as we grow.

Your Skills & Experience

  • 5+ years of hands-on Workday configuration experience
  • Deep knowledge of Workday modules around benefits, leave, and time off
  • Good understanding of Workday integrations
  • Strong skills in Google Sheets
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Lead Backend Software Engineer

London

£90000 - £100000

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Lead Backend Engineer
Location: London (Hybrid – 2-3 days in office, flexible)
Salary: £100,000

A well-established, independently-owned UK wealth management firm is looking for a Lead Backend Engineer to oversee and drive the design, development, and delivery of critical software systems. This hands-on leadership role offers the chance to guide a talented backend team while shaping the future of their technology platform.

You’ll lead a team of three developers (senior, mid, and junior), focusing on technical mentorship, architecture, and coding standards, ensuring scalable, maintainable, and secure solutions that align with business goals. The role involves collaborating closely with product, QA, and project teams to deliver high-quality software in a cross-functional environment.

Key Responsibilities:

  • Lead backend development, code reviews, and system integration

  • Mentor and support developers, fostering a collaborative and inclusive culture

  • Architect scalable, efficient backend systems with strong performance and reliability

  • Manage full software lifecycle from design to deployment and maintenance

  • Collaborate with stakeholders to translate business needs into technical solutions

  • Stay abreast of emerging technologies and drive innovation in platform design

Tech Stack:

  • Node.js, JavaScript, SQL (essential)

  • Experience with RabbitMQ/Kafka and MongoDB (desirable)

What We’re Looking For:

  • Strong backend expertise with leadership and mentorship experience

  • Preference for candidates with full-stack exposure but a clear backend focus

  • Comfortable setting standards around testing, code quality, and development methods

  • Line management experience is a plus but not mandatory

Interview Process:

  • Technical and informal chat with senior engineering team members

  • Problem-solving/thinking challenge

  • Cultural fit and collaboration-focused interviews with cross-functional stakeholders

Benefits:

  • Competitive salary and benefits package

  • Hybrid working with flexible in-office days

  • Opportunity to influence and lead a key part of a growing technology function

If you’re a technically strong backend engineer with leadership skills looking to make a tangible impact in a stable yet innovative environment, this is an excellent opportunity to step up and lead.

To Apply for this Job Click Here

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GTM/GA4 Specialist

London

£300 - £330

+ Digital Analytics

Contract
London

To Apply for this Job Click Here

Job Title: GA4 / GTM Specialist
Day Rate: £300-330 per day (Outside IR35)
Contract: 3 months
Location: Hybrid – 3 days per week in London office, 1 day remote
Start Date: ASAP

We’re working with a leading digital agency who are looking for an experienced GA4 / GTM Consultant to join them on a 3-month contract. This is an exciting opportunity to work across a variety of high-profile client projects, helping to deliver best-in-class analytics and data tracking solutions.

Key Responsibilities:

  • Configure, implement, and optimise Google Analytics 4 (GA4) setups.

  • Deploy and manage tracking solutions via Google Tag Manager (GTM).

  • Support data integrity and troubleshoot tagging issues.

  • Collaborate with internal teams and stakeholders to ensure accurate data collection and reporting.

  • Provide insight into tracking strategies and best practices.

Skills & Experience:

  • Strong hands-on experience with GA4 and GTM.

  • Proven track record of delivering analytics implementations in a digital agency or similar environment.

  • Excellent troubleshooting and problem-solving skills.

  • Familiarity with BigQuery is a strong bonus.

  • Experience working with clients in the hospitality sector would be advantageous.

Please reach out to Grace McCrudden at Harnham for more info

To Apply for this Job Click Here

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GTM/GA4 Consultant

London

£250 - £275

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To Apply for this Job Click Here

Job Title: GA4 / GTM Consultant
Day Rate: £250-£275 per day (Outside IR35)
Contract: 3 months
Location: Hybrid – 3 days per week in London office, 2 days remote
Start Date: ASAP

We’re working with a leading digital agency who are looking for an experienced GA4 / GTM Consultant to join them on a 3-month contract. This is an exciting opportunity to work across a variety of high-profile client projects, helping to deliver best-in-class analytics and data tracking solutions.

Key Responsibilities:

  • Configure, implement, and optimise Google Analytics 4 (GA4) setups.

  • Deploy and manage tracking solutions via Google Tag Manager (GTM).

  • Support data integrity and troubleshoot tagging issues.

  • Collaborate with internal teams and stakeholders to ensure accurate data collection and reporting.

  • Provide insight into tracking strategies and best practices.

Skills & Experience:

  • Strong hands-on experience with GA4 and GTM.

  • Proven track record of delivering analytics implementations in a digital agency or similar environment.

  • Excellent troubleshooting and problem-solving skills.

  • Familiarity with BigQuery is a strong bonus.

  • Experience working with clients in the hospitality sector would be advantageous.

To Apply for this Job Click Here

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£60000 - £72000

+ Risk Analytics

Permanent
Hampshire

To Apply for this Job Click Here

SENIOR FINANCIAL CRIME OPERATIONS MANAGER
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UP TO £72,000

Are you a financial crime professional who loves being hands-on in operations, but also wants a seat at the table when it comes to shaping strategy?

THE ROLE

  • Owning the first line AML, fraud, and financial crime processes day-to-day.
  • Leading investigations into suspicious activity, working with compliance and even law enforcement when needed.
  • Signing off high-risk customer onboarding cases and ensuring EDD is on point.
  • Running the bank’s screening and KYC refresh programs.
  • Presenting strategic updates to senior management and regulators.
  • Training and coaching colleagues so financial crime risk is front of mind across the bank.
  • Staying plugged into the industry to keep ahead of emerging threats and trends.

THE REQUIREMENTS

  • Strong background in financial crime operations – ideally in banking.
  • Confident with AML, KYC, screening, fraud prevention, and EDD.
  • Able to take the lead on high-risk decisions and explain them clearly to senior stakeholders.
  • Comfortable managing investigations and producing clear, strategic reports.

HOW TO APPLY

Please send CV below

To Apply for this Job Click Here

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iOS App Developer – Data Visualisation (Contract)

London

£450 - £480

+ Data Engineering

Contract
London

To Apply for this Job Click Here

Contract iOS App Developer – Data Visualisation
London – Hybrid
Up to £480 per day (Inside IR35)
6-9 month project

Harnham are working with a leading organisation who are expanding their staff-facing mobile app, used by thousands of employees every day. The app is already live, and the next phase is to bolt on new functionality around data visualisation, compliance, recognition, and performance metrics – giving staff and managers real visibility into performance while celebrating success through engaging dashboards.

This is a contract opportunity to play a key role in shaping how data is presented and consumed within the app.

The Role

As a Contract iOS App Developer, you will:

  • Integrate new data visualisation features into an existing app using SwiftUI.

  • Work closely with UX designers, data engineers, and product managers to deliver a seamless experience.

  • Shape and prepare the data in the first phase (SQL, ETL pipelines from Teradata to AWS).

  • Deliver visually appealing and intuitive dashboards that make performance data clear and engaging.

  • Collaborate with a wider team – this is not a solo build, but a project with multiple stakeholders.

Skills & Experience

  • iOS App Development (SwiftUI essential)

  • Strong SQL and data manipulation skills

  • Exposure to data visualisation within apps (charts, dashboards, etc.)

  • Knowledge of ETL processes (Teradata into AWS preferred)

  • Understanding of UX/UI principles

  • Excellent communication & stakeholder management

To Apply for this Job Click Here

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Senior Data Analyst

£60000 - £70000

+ Advanced Analytics & Marketing Insights

Permanent
England

To Apply for this Job Click Here

Senior Data Analyst
Fully Remote in the UK
£60,000-£70,000

THE COMPANY

A vast media conglomerate is seeking a Senior Data Analyst to join their team to drive reporting & insight capability and delivery!

THE ROLE

As the Senior Analyst, you will be a core member of the team that’s responsible for all reporting & insight capabilities, using a sophisticated & modern tech stack; you’ll be well-versed in SQL, data visualization (Looker preferred but not essential) as well as ideally having prior experience with data modelling (dbt) and/or data warehousing (Snowflake preferred but again not essential). You’ll be responsible for building and maintaining reporting for a range of subsidiary brands in the group. You will be working with technical & non-technical stakeholders.

YOUR SKILLS AND EXPERIENCE

  • SQL
  • Data Viz experience – Looker preferred but not essential

THE BENEFITS

  • £60,000-£70,000 (dependent on experience)
  • Fully Remote Working in the UK

HOW TO APPLY

Please register your interest by sending your CV to Adam Osborne at Harnham via the Apply link on this page

To Apply for this Job Click Here

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City of London

£300 - £325

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City of London, London

To Apply for this Job Click Here

CRO Manager (Contract)

£325 per day (Outside IR35)

Digital Agency

We are looking for a CRO Manager to lead A/B testing, personalisation, and digital experience optimisation across both client projects and internal initiatives.

Role & Responsibilities:

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To Apply for this Job Click Here

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£40000 - £45000

+ Advanced Analytics & Marketing Insights

Permanent
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To Apply for this Job Click Here

Data Analyst
Up to £45,000
Location: Remote

An established consumer lending business, recently acquired by a global financial group, is entering an exciting period of growth and expansion. With strong investment and ambitious plans to triple loan volumes over the next 12 months, the business is scaling rapidly and building out its product offering, with new lines of credit and future launches on the horizon.

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KEY RESPONSIBILITIES:

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SKILLS AND EXPERIENCE

  • SQL
  • 3+ years’ experience in financial services, ideally with experience in the financial industry or similar.
  • Strong analytical skills with experience in data visualisation and reporting
  • Confident in providing insight and recommendations to senior stakeholders
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APPLY
Send an email to register your interest.

To Apply for this Job Click Here

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