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Open nowPosted 6 hours agoWe saw it 35 min after it went up

Senior Marketing Data Scientist — WorldRemit

Accel portfolio7,314 open roles

Where
Remote
Work mode
Remote
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Your applicationOpen nowSenior Marketing Data Scientist — WorldRemitAccel portfolio · Remote

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The clock on this job

Early applications get read.

8.1% of postings close within 7 days. Measured by our own scanner across the market. Accel portfolio postings stay open a median of 28 days.

Share of postings closed within
  1. 1.8%1 day
  2. 3.6%3 days
  3. 8.1%7 days
  4. 15.1%14 days
  5. 33.9%30 days
This job: posted 6 hours ago

Accel portfolio median: 28 days open

The posting

Job description

Join Zepz: Breaking Down Borders, Together

Our Meaningful Mission At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech. Zepz is the power behind WorldRemit and Sendwave, driven by the mission to celebrate the incredible impact migrants have, both at home and abroad. We're not just moving money; we're building a world that truly recognises and supports global connections.

Who You'll Be Joining

We look for mission-driven builders who thrive in a fast-paced environment connected to a true purpose. We’re an always developing team of experts that enjoy problem solving and bring clarity to tough challenges. At Zepz, we are Relentless Learners, always seeking feedback, and Responsible Owners, treating company resources like your own. We depend on Transparent Communicators who keep the team aligned through open, honest talk.

Our Core Commitments — What We Live By Our vibrant and truly diverse culture is built on three core commitments, that guide how we work and interact:

  • Integrity: We always do the right thing. It’s simple, but it’s the foundation of everything we build for our customers and each other.
  • Outcomes: We work for our customers. Their success and prosperity are the results we focus on delivering.
  • Velocity: We are fast! We maintain high energy levels and make smart decisions quickly, keeping us nimble and ahead of the curve.

Perks of Joining Our Team

We believe in empowering colleagues because we genuinely trust our team. Our culture is founded on this high trust, which naturally encourages the high ownership that drives us to meet our shared high expectations and deliver high performance. While we have all the tools to work remotely, we value the purpose and benefits of in-person connections so we expect our teams to come to the office on a regular basis, and therefore be within a comfortable commutable distance from our London office. Alongside a great office environment, think unlimited annual leave , great healthcare benefits, and employee discounts. We want you to thrive and focus entirely on making your biggest impact! In turn, we expect you to bring high ownership and commitment to your work. This is a place where we value trust and high performance, and we'll provide the environment and support needed for you to excel

About the role and team

Reporting into the Head of Insights, we’re looking for a highly skilled and strategic Senior Marketing Data Scientist/Analyst to elevate our marketing performance through data-driven insights and advanced analytics. This is an individual contributor (IC) role, ideal for someone who thrives on solving complex problems, collaborating cross-functionally, and driving impact. You’ll be supporting key initiatives around Marketing Mix Modeling (MMM), attribution, and causal inference, helping the business understand the true impact of marketing and optimize our media investments accordingly.

What you will focus on

  • Development of analytics to evaluate marketing effectiveness and ROI, using MMM, attribution modeling, CLV and experimentation.
  • Apply causal inference techniques (e.g., difference-in-differences, propensity score matching, uplift modeling) to isolate true marketing impact and support strategic planning.
  • Automate the training and deployment of updated models, ensuring the output is tested, automated, scalable and documented and checks are in place to identify drift.
  • Creating ‘insight-ready’ datasets from raw data by building pipelines to automate the cleaning process.
  • Building and supporting self-serve analytics dashboards.
  • Supporting the marketing team with campaign analysis, data requirements, training and ad-hoc analysis.
  • Communicate complex analytical findings to executive stakeholders in a clear and actionable way.

What you bring to the table

  • Bachelor’s or Master’s degree in Mathematics, Statistics, Economics, Data Science or a related field.
  • 5-10 years of experience in marketing analytics or performance marketing measurement.
  • Expertise in Marketing Mix Modeling, attribution techniques, with demonstrated experience applying these to real-world problems.
  • Proficiency in SQL and data-visualisation tools.
  • Proficiency in Python, with demonstrated experience building open-source Marketing Mix Models (Robyn, Meridian, LightweightMMM etc.).
  • Deep understanding of the marketing funnel and channels.
  • Strong project management and stakeholder communication skills.
  • Ability to work independently and lead high-impact projects end-to-end.

Your profile:

  • Passionate about using data to solve marketing problems
  • Able to demonstrate tenacity and a willingness to go the distance to get something done.
  • You don't mind doing things manually but automate at every opportunity.
  • You are naturally inquisitive, intellectually curious and can make sense of complex systems or information.
  • You take a structured approach towards goals and pay attention to detail.
  • You can easily communicate with non-technical folks and translate their feedback into code.
  • You are comfortable defaulting to over-communication and overreaching when it comes to coordination.
  • You can adjust quickly to changing priorities and conditions and cope effectively with complexity and change.
  • Nice to have: exposure to AI models and their applications within marketing.

AI Literacy & Tools As Zepz continues to build AI into how we work, we expect everyone to engage with it as a core part of their role. For this position we are looking for:

  • A genuine curiosity about AI and how it can be applied in your area of work — from accelerating analysis and insight generation, to improving how we design and deliver processes and communications.
  • Practical experience using AI tools in a professional context — whether to connect information, draft content, build frameworks, or create insights from data. We want people who actively use AI to increase productivity, not those who are waiting to be told to.
  • Strong AI literacy — an understanding of what AI assistants can and cannot do, how to prompt effectively, and how to critically evaluate AI-generated output before using it.
  • Awareness of the ethical considerations and responsible use of AI in the workplace, particularly in the context of sensitive data, customer experience, and compliance.
  • Prior experience using Claude (Anthropic) is a nice-to-have but not essential — what matters most is that you are genuinely engaged with AI as a tool, comfortable experimenting, and eager to share what works with your wider team

Our global team of 800+ people is spread across six continents. We aspire to hire the best mix of people from former Olympians to YouTube influencers and we speak over twenty languages. This incredible diversity isn't a bonus; it's the engine that lets us serve the world.

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