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Senior Ruby Engineer

Scale-Up Tech Company – Remote (Anywhere in the world)

Up to £80,000

Are you ready to take your career to the next level? We’re working with one of the fastest-growing tech companies in the world, and they’re on the lookout for an experienced Senior Ruby Engineer to join their expanding team. This is a chance to build and scale products used by millions globally, in an environment that thrives on innovation, ownership, and speed.

Why this role?

• Join a high-growth scale-up with 30M+ users and bold ambitions for the future.

• Be part of a tight-knit engineering team, working directly alongside the CTO and product leads.

• Contribute to building large-scale, user-facing products at the cutting edge of AI and digital experiences.

• Play a pivotal role in shaping the technical roadmap and experimenting with new ideas.

What you’ll be doing:

• Leading back-end development with a strong focus on Ruby on Rails.

• Collaborating with product managers to refine specs and shape solutions.

• Preparing integration plans, estimations, and delivering high-quality, production-ready code.

• Reviewing PRs, ensuring best practices, and mentoring mid-level engineers.

• Driving innovation while maintaining a strong user-first mindset.

What we’re looking for:

• 5+ years’ experience as a back-end or full-stack engineer, with recent, hands-on Ruby on Rails expertise.

• Proven experience scaling products used by thousands (or millions!) of users.

• Strong background in agile, fast-paced environments (start-ups, scale-ups, or similar).

• Excellent communication skills and fluency in English.

• Ownership mentality – someone who takes pride in building and delivering great products.

• Comfortable working on products that may involve uncensored or NSFW content.

✨ Nice-to-haves:

• Knowledge or interest in generative AI, NLP, ML, or MLOps.

• Experience working with globally distributed teams.

Salary & Perks:

• Up to £80,000 base salary.

• Fast-paced, innovative culture with a global reach.

• Work alongside founders with proven track records of building and scaling successful businesses.

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Role: Full-Stack Developer
Salary: £50,000
Location: London – Hybrid (3 days office / 2 days home)

Our client is a fast-growing consultancy helping organisations in the legal sector embrace digital transformation. They deliver scalable, secure applications by combining expertise in software development, data, and automation.

They are seeking a Full-Stack Developer to join their expanding team. This is a chance to work across the stack, experiment with new technologies, and grow as the company scales.

The role will involve:

• Building, testing, and maintaining full-stack applications
• Collaborating with stakeholders to gather requirements and shape solutions
• Developing scalable apps with modern frameworks and low-code platforms
• Prototyping and experimenting with new technologies
• Working in agile teams to deliver high-quality software

What you’ll bring:

• 2+ years’ experience in software development
• Proficiency in Python, JavaScript, or C#
• Knowledge of relational databases and RESTful APIs
• Strong problem-solving and communication skills
• Curiosity and eagerness to learn

What’s on offer:

• Hybrid working in central London (Covent Garden/Soho/Southbank)
• Competitive salary + private medical insurance + Cycle to Work scheme
• Modern office with gym, showers, and bike storage
• A supportive, collaborative environment where everyone makes an impact

If you’re passionate about building great software and want to be part of a growing consultancy, apply today.

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Job Title: Data Engineer (Databricks / SQL / Power BI)

Location: Utrecht Area, Netherlands (Hybrid)

Type: Full-time, Permanent

Are you passionate about turning data into actionable insights? Do you thrive in building robust data pipelines and enabling business intelligence at scale? They are looking for a Data Engineer to join the growing data team near Utrecht.

What You’ll Do

• Design, build, and maintain scalable data pipelines in Databricks.
• Work with structured and unstructured data to ensure quality, reliability, and accessibility.
• Collaborate with analysts and stakeholders to deliver business insights through Power BI dashboards.
• Optimize SQL queries and data models for performance and usability.
• Contribute to data architecture, governance, and best practices across the organization.

What They’re Looking For

• Proven experience as a Data Engineer or BI/Data professional.
• Strong knowledge of Databricks and hands-on experience in building ETL/ELT processes.
• Proficiency in SQL and relational databases.
• Experience with Power BI (building and maintaining dashboards, DAX, data modelling).
• Familiarity with cloud platforms (Azure preferred) is a plus.
• Strong problem-solving skills, with the ability to work both independently and in cross-functional teams.
• Good communication skills in English (Dutch is a plus).

What They Offer

• Competitive salary and benefits package.
• Hybrid working model (office near Utrecht & remote flexibility).
• A collaborative, innovative environment with opportunities to grow.
• Training and certification support to develop your skills further.

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Job Description: IT Operations Manager

Position: Azure Data Architect/IT operations manager

Location: Amsterdam

Employment Type: [Full-time/Contract]

About the Role

This company are looking for an experienced hire they need an IT operations manager who is very broad on infrastructure, has some leadership experience has also worked as an architect.

The ideal candidate will have deep expertise in Microsoft’s Cloud Adoption Framework (CAF), enterprise-scale landing zone design, and the ability to navigate the complexities of large-scale, multi-region environments.

Key Responsibilities

• Architect and implement enterprise-scale Azure data landing zones that support global operations, ensuring scalability, performance, and security across multiple regions.
• Collaborate with global business and IT stakeholders to design data platforms aligned to corporate strategy and industry best practices.
• Define and enforce governance, compliance, and security standards (e.g., RBAC, encryption, data residency, privacy regulations).
• Establish repeatable frameworks and patterns for data ingestion, transformation, storage, and analytics in large-scale environments.
• Partner with engineering teams to deliver end-to-end data solutions using Azure services (Data Lake, Synapse, Databricks, Data Factory, Purview, Event Hubs, Azure SQL).
• Lead data modernization initiatives, including cloud migrations from legacy and hybrid environments.
• Optimize for global scale and performance, including multi-region replication, disaster recovery, and cost management.
• Mentor teams and provide architectural leadership across multiple business units and time zones.
• Stay at the forefront of Azure innovations, driving adoption of new features and services to improve enterprise capabilities.

Qualifications

• 10+ years of experience in data architecture, with at least 5+ years building solutions on Azure.
• Leadership knowledge preferred
• Proven experience designing and deploying Azure Landing Zones at enterprise scale.
• Hands-on expertise with Azure Data Services: Data Lake, Synapse, Databricks, Data Factory, Event Hub, Azure SQL/MI, and Purview.
• Strong knowledge of global-scale architecture, including data residency, sovereignty, and compliance (GDPR, HIPAA, etc.).
• Experience managing large, multi-region cloud environments in a global enterprise.
• Proficiency with Infrastructure as Code (Terraform/Bicep/ARM) and DevOps practices for data platform deployment.
• Demonstrated ability to influence senior stakeholders and communicate complex technical concepts clearly.
• Preferred certifications: Azure Solutions Architect Expert, Azure Data Engineer Associate, Azure Security Engineer Associate.

Why Join Us

• Play a strategic role in shaping a global Azure data platform at enterprise scale.
• Work with cutting-edge cloud, data, and AI technologies in a complex, international environment.
• Collaborate with a diverse team across multiple regions, impacting business decisions worldwide.
• Competitive compensation, global career growth opportunities, and a culture of innovation.

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Job Title: Software Engineer (Python)

Location: Amsterdam

Job Type: Full-Time

Salary: 55,000 – 75,000 DOE + benefits + equity options

About Us:

At this small tech start up, they are building the next generation of data-driven tools that empower businesses to make smarter, faster decisions. Our platform processes millions of data points daily, helping companies unlock insights that drive real impact. They are a growing startup with a strong engineering culture, and they are looking for a Python-focused Software Engineer to join the team.

What You’ll Do:

• Design, develop, and maintain scalable backend systems using Python (primarily with FastAPI/Django/Flask).
• Work closely with product managers, designers, and data scientists to build reliable APIs and services.
• Optimize data processing pipelines and contribute to cloud infrastructure (AWS/GCP preferred).
• Write clean, testable code and actively participate in code reviews.
• Take ownership of projects from concept to production.

What We’re Looking For:

• 5+ years of professional experience with Python.
• Strong understanding of web frameworks (e.g., FastAPI, Django, Flask).
• Experience working with RESTful APIs and databases (PostgreSQL, Redis, etc.).
• Familiarity with containerization (Docker) and CI/CD pipelines.
• Excellent problem-solving skills and attention to detail.
• Comfortable working in an agile, fast-paced environment.

Bonus Points:

• Experience with async programming and performance tuning.
• Exposure to machine learning pipelines or data engineering.
• Familiarity with frontend technologies (React, Vue) is a plus.

What We Offer:

• Competitive salary and stock options.
• Flexible working hours and remote-first culture.
• Personal development budget and regular learning sessions.
• Collaborative, inclusive, and forward-thinking team environment.

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Paid Social Media Manager – Antwerp

Location: Antwerp (Hybrid/On-site)

Contract: 6 months

Rate: €60 per hour

Our client, a well-established organisation based in Antwerp, is seeking a skilled Paid Social Media Manager to support their marketing function on a six-month freelance contract. This role offers the opportunity to take ownership of paid social campaigns, working in a collaborative environment while driving measurable results.

Key Responsibilities:

• Plan, execute, and optimise paid social campaigns across platforms such as Meta, TikTok, and LinkedIn.
• Manage and monitor budgets to ensure strong ROI.
• Carry out audience segmentation, targeting, and A/B testing.
• Analyse campaign performance and prepare clear, actionable reports.
• Collaborate with internal teams to align campaigns with broader business objectives.
• Keep up to date with trends, algorithm changes, and best practices in paid social.

Candidate Profile:

• Previous experience managing paid social campaigns with demonstrable results.
• Strong knowledge of Ads Manager platforms (Meta, TikTok, LinkedIn, etc.).
• Analytical mindset with the ability to interpret data and provide insights.
• Detail-oriented, organised, and able to work independently.
• Based in or able to commute to Antwerp.

Contract Details:

• Duration: 6 months
• Rate: €60 per hour
• Location: Antwerp (hybrid/on-site flexibility)

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Lead Marketing Analyst
Fully Remote in The UK
£80,000-£90,000

The Company

We’re exclusively supporting a leading games studio (creators of one of the world’s longest-running MMORPGs) to find a talented Lead Marketing Analyst who wants to make a real impact; this is a hands-on role where you’ll own marketing analytics across multiple channels, helping shape campaigns for millions of players worldwide!

The Role

• Own full-funnel marketing analytics across CRM, paid media, lifecycle, and subscription funnels
• Work with attribution, incrementality, and media mix models to optimise spend and targeting
• Build forecasts, churn models, and player LTV analysis to guide decision-making
• Be the go-to person for all marketing data – MTA, dashboards, and campaign performance

Your Skills and Experience

• Strong SQL
• Strong Marketing Analytics experience

How To Apply

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

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Lead Marketing Analyst

Location: Remote (UK-based)

Salary: Up to £80,000 + benefits

Start Date: ASAP

The Company

A global digital entertainment business with millions of active users worldwide. Known for creating immersive experiences and building strong communities, the company continues to invest heavily in data-driven marketing. You’ll be joining a dedicated Analytics, Data Science & Engineering hub that shapes strategy across marketing, customer lifecycle, and product.

The Role

This is a senior role leading marketing analytics for a fast-scaling consumer brand. You’ll be the central expert on campaign measurement, attribution, and optimisation, guiding spend and targeting decisions across multiple channels. Alongside delivering hands-on analysis, you’ll mentor a small team, partner with senior stakeholders, and ensure best practice in data-driven marketing decisions.

Key Responsibilities

• Lead and mentor a small marketing analytics team, setting best practices and ways of working.
• Own full-funnel, cross-channel analysis covering acquisition, engagement, and retention.
• Improve campaign performance measurement through attribution modelling, incrementality testing, and media mix modelling.
• Partner with Data Science to develop predictive models (e.g. LTV, churn) to inform budget allocation.
• Build and maintain marketing forecast models to optimise spend and ROI.
• Conduct robust statistical analysis to improve campaign testing methodologies.
• Deliver clear reporting and actionable insights to marketing, CRM, and executive stakeholders.
• Collaborate with Data Engineering to ensure reliable data pipelines and infrastructure.
• Champion a data-first approach across marketing and product teams.

Skills & Experience

Essential:

• 5+ years’ experience in marketing analytics or a related data role.
• Proven ability to lead or mentor junior analysts.
• Expertise in attribution, incrementality, and campaign measurement.
• Strong SQL skills and proficiency with analytics tools (e.g. GA4, Looker, Tableau, Power BI).
• Hands-on experience with digital marketing channels including CRM, paid media, and lifecycle.
• Strong communication skills, comfortable influencing senior stakeholders.
• Excellent statistical analysis and data storytelling ability.

Desirable:

• Experience building LTV, churn, or other predictive models.
• Familiarity with marketing mix modelling and forecasting techniques.
• Python or R for advanced analytics.
• Exposure to high-volume, consumer-facing industries (gaming, media, entertainment, or subscription).

Interview Process

1) Introductory chat with the hiring manager.
2) Technical task and presentation.
3) Final interview with senior leadership, focusing on strategy, culture, and stakeholder alignment.

How to Apply

Send your CV to Mohammed Buhariwala at Harnham, or connect on LinkedIn to learn more.

Keywords

Lead Marketing Analyst, Marketing Analytics, SQL, Python, Attribution, Incrementality, Media Mix Modelling, Campaign Measurement, Forecasting, LTV, Churn, Data Storytelling, Stakeholder Management, Remote.

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CRM Manager

Location: Remote (contractor via umbrella/third-party)

Salary: £40,000-£45,000 (up to £50,000 DOE)

Start Date: ASAP

The Company

A global, consumer-facing digital brand operating across multiple regulated markets. The business runs high-volume lifecycle communications and is investing in data-driven CRM to drive retention, reactivation, and customer value. You’ll work closely with senior leadership and collaborate with product, marketing, and analytics teams distributed across Europe and the UK.

The Role

A hands-on + strategic CRM role owning multi-channel journeys end-to-end. You’ll plan, build, test, deploy, and optimise high-frequency campaigns (c.30+ per week), develop automated lifecycle programmes, and use segmentation and experimentation to improve engagement, conversion, and LTV. The role reports into the Head of CRM and offers regular exposure to the C-suite, with scope to mentor a small team of CRM Executives.

Key Responsibilities

• Own the CRM calendar: plan, brief, and deliver multi-channel campaigns (email/SMS/push/in-app), from concept to deployment.
• Build automated lifecycle journeys (onboarding, activation, cross-sell, win-back, churn prevention) across priority markets.
• Lead audience strategy and segmentation using behavioural and lifecycle signals; define cohorts and eligibility logic.
• Execute A/B and multivariate tests (subject lines, creatives, offers, frequency, send-time), and scale winning variants.
• Measure and report performance (deliverability, engagement, CTR, CVR, retention, revenue impact); translate insight to action.
• Partner with product and analytics to improve channel attribution, event tracking, and experimentation quality.
• Own campaign QA and compliance checks (copy, links, tracking, rendering) across devices and clients.
• Collaborate with creative to brief targeted, personalised content; ensure HTML builds render consistently.
• Optimise send cadence, channel mix, and content hierarchy; reduce fatigue while increasing relevancy.
• Contribute to quarterly strategy: channel roadmap, test plans, and KPI targets aligned to commercial goals.
• Mentor/guide CRM Executives on execution quality, prioritisation, and best practices.

Skills & Experience

Essential:

• 2-3+ years in CRM/lifecycle marketing with proven end-to-end campaign ownership.
• Practical experience shipping high-volume campaigns and automated journeys in a modern ESP/CRM.
• Strong segmentation and personalisation skills; comfortable with event and attribute logic.
• Testing mindset with a track record of measurable uplifts across funnel metrics.
• Confident reporting and storytelling to senior stakeholders (incl. non-technical audiences).
• Working knowledge of email HTML/CSS, deliverability basics, and UTM/tracking best practices.
• Excellent organisation: able to juggle competing deadlines with rigorous QA.

Desirable:

• Experience in regulated or high-frequency consumer environments.
• Familiarity with push/in-app messaging via SDKs; understanding of mobile event tracking.
• SQL and/or BI tools (GA4, Looker, Power BI) for deeper analysis.
• Experience mentoring juniors or coordinating a small team.

What You’ll Work On

• Scaling automated lifecycle “autocycles” across markets and products.
• Daily monitoring of customer behaviour to trigger timely, personalised offers.
• Evaluating content/game/feature performance and re-ordering site/app placements to maximise engagement.
• Quarterly test-and-learn plans: subject lines, creatives, incentives, and contact strategy.
• Continuous deliverability improvements and list health management.

Interview Process

1) Introductory chat with the hiring manager (informal fit + overview).
2) Written/technical task (campaign + optimisation proposal).
3) Final interview with senior leadership to present findings and discuss strategy.

How to Apply

Send your CV to Mohammed Buhariwala at Harnham or connect on LinkedIn to learn more.

Keywords

CRM Manager, Lifecycle Marketing, Retention, Engagement, Segmentation, Email Marketing, SMS, Push Notifications, In-App Messaging, A/B Testing, Personalisation, Automation, ESP, Braze, Iterable, Salesforce Marketing Cloud, Emarsys, Klaviyo, GA4, SQL, Reporting, Customer Journeys, Global Markets, Remote, Contractor.

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Customer Insight Analyst
Location: Manchester – Hybrid (2 days in office)
Salary: Up to £33,000 + benefits
Start Date: ASAP

The Company
A leading education and training provider with a global footprint, delivering professional courses.. they partner with thousands of schools, universities, and businesses to empower learners worldwide. You’ll be joining an insights team of 10, working at the heart of data-driven decision making.

The Role
This is an early-career role, ideal for a recent graduate or someone with 1-2 years’ analytics experience. As a Customer Insight Analyst, you’ll work across multiple datasets including learning, transactional, and operational data, turning numbers into meaningful stories that shape strategic decisions. You’ll gain broad exposure to reporting, stakeholder communication, and insight generation in a supportive, collaborative team.

Key Responsibilities

• Develop and manage Power BI dashboards and reports, taking ownership of the backlog.

• Use SQL for data extraction and transformation across multiple business sources.

• Translate complex datasets into actionable insights and clear recommendations.

• Collaborate with stakeholders to understand business needs and deliver solutions.

• Build engaging data visualisations that bring insights to life.

• Support data governance and quality assurance processes.

• Present findings to stakeholders in a clear and confident way.

Skills & Experience

Essential:

• SQL skills with experience querying relational databases.

• Hands-on experience with Power BI (or another BI/visualisation tool).

• Strong communication and presentation skills.

• Analytical mindset with attention to detail.

• Ability to explain technical findings to non-technical audiences.

Desirable:

• Python for data analysis and visualisation.

• Previous exposure to education, learning, or customer analytics datasets.

• Experience working in a team-focused, collaborative environment.

Interview Process

• Initial chat with hiring manager.

• 1.5-hour interview (on-site if available on a Wednesday).

• Final interviews with the wider team the following week.

How to Apply
Send your CV to Mohammed Buhariwala at Harnham or connect on LinkedIn to learn more.

Keywords
Customer Insight Analyst, Data Analyst, SQL, Power BI, Python, Customer Analytics, Data Visualisation, Insights, Stakeholder Engagement, Education, Training, Manchester, Hybrid

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LEAD MARKETING ANALYST

UP TO £80,000

FULLY REMOTE – MUST BE UK BASED

THE COMPANY

A leading gaming studio, undergoing major transformation following private equity backing and the appointment of a new CEO are now looking for a Lead Analyst to take them to the next level!

THE ROLE

As Lead Marketing Analyst, you will:

• Take full ownership of marketing analytics across the business.
• Line manage one Senior Analyst while acting as the senior layer of expertise in the team.
• Drive projects around LTV modelling, attribution, and subscription analytics.
• Analyse and optimise the entire marketing funnel to support acquisition and retention.
• Deliver insights that directly influence commercial and marketing strategy.
• Work closely with the CMO, presenting to the board and SLT, and communicating insights to both technical and non-technical audiences.

YOUR SKILLS AND EXPERIENCE

• Proven experience in marketing analytics, ideally within gaming, e-commerce, adtech, or other B2C businesses.
• Strong SQL skills essential.
• Proficiency with data visualisation tools (Power BI, Looker).
• Familiarity with Snowflake desirable.
• Experience in modelling (LTV, attribution) highly valuable.
• Strong stakeholder management and communication skills
• Line management experience a plus, though not essential.

BENEFITS

• Remote-first business
• Opportunity to lead the marketing analytics function during a key growth phase.
• High visibility role with direct impact on commercial strategy.
• Competitive salary, bonus, and benefits

HOW TO APPLY

Express your interest by sending your CV via the apply link on this page

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Director of Customer Marketing
London – Hybrid (2 days in office, Alphabeta Building, EC2A)
£130,000-£140,000 (up to £170,000 for the right candidate) + Benefits

The Company

Our client is a leading and innovative media brand undergoing a major strategic shift. With a strong existing customer base and an established digital presence, they are moving beyond traditional subscription models to embrace creator-led, membership-driven growth. The focus is on deepening customer engagement, building brand differentiation, and developing communities that drive long-term value.

The Role

They are seeking a Director of Customer Marketing to lead this transformation. This is a senior, high-impact role that spans across the business, combining strategy, execution, and innovation. Reporting to the Director of Customer & Marketing, you’ll shape customer value propositions, drive rapid growth in memberships, and bring a fresh perspective from outside traditional publishing.

Responsibilities

• Build and articulate clear customer value propositions.

• Develop and execute marketing campaigns focused on community, membership, and creator-led engagement.

• Deliver both quick wins (e.g. subscription perks, commercial partnerships) and longer-term strategy.

• Lead a team of 12 (including Heads of Growth Marketing and Retention).

• Drive personalisation, segmentation, and data-led marketing initiatives.

• Forge partnerships and perks to increase customer value.

• Collaborate with Product, Editorial, and external digital partners.

Candidate Profile

• Proven experience creating customer propositions and products.

• Strong track record in community-driven and membership marketing.

• Confident using data and marketing technology to drive decisions.

• Skilled at evaluating and optimising channels for growth.

• Excellent commercial networks for securing brand partnerships.

• Resilient, innovative, and comfortable balancing rapid delivery with long-term strategy.

• Able to challenge traditional ways of working and hold firm to strategy.

• Ideally comes from outside the traditional publishing industry.

Package & Benefits

• £130,000-£140,000 base salary ideally (flexible up to £170,000 for the right profile).

• Hybrid working: 2 days a week in central London offices (Finsbury Square).

• Opportunity to shape the future of a major media brand.

• Senior role with visibility and influence across the entire organisation.

Interview Process

1. Initial video interview with the Director of Customer & Marketing.

2. Task stage.

3. Final interview with the CEO.

Find out more and apply via the link below.

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