Who we are
ADC is a European data and AI consultancy with offices in the Netherlands, Sweden, and Denmark. We help organisations turn data and AI into real impact, leading a mission to accelerate the responsible use of Data and AI. We partner with clients to achieve their goals through data-driven solutions across multiple industries: financial services, life sciences, healthcare, the public sector, retail, and transportation.
Our collective brings together the full data value chain under one roof:
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Data Strategy: Turning buzzwords into clear, business‑aligned roadmaps
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Data Engineering: Building secure, scalable, future‑proof data foundations
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Analytics & Data Science: Creating AI‑powered tools and models that actually get used
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Design & Visualisation: With our in‑house studio CLEVER°FRANKE, turning complex data into experiences people enjoy using
We're leveraging our expertise in advanced analytics, machine learning, and business intelligence to power ADC's growth and deliver unmatched value to our clients.
We are looking for a Senior Decision Scientist who is deeply passionate about predictive modelling, causal inference, and optimisation to partner with our Retail team on a freelance basis. You will spearhead our advanced pricing initiatives for a leading e-commerce client, building robust forecasting models that directly impact commercial strategy.
This isn’t a standard analytics role. You’ll be part of a true collective, working alongside highly specialized decision science teams. It’s about understanding complex methodologies to a deep research level, connecting predictive insights with operations research, and deploying state-of-the-art causal machine learning techniques that shape dynamic pricing on a massive scale.
Where you’ll make an impact
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Drive advanced forecasting for e-commerce pricing
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Develop and scale Machine Learning models for forecasting longitudinal data to optimize pricing strategies.
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Utilize advanced techniques such as tree-based models, boosting, bagging, ensemble methods, LightGBM, XGBoost, and related methods.
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Champion causal machine learning and inference
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Apply causal inference methods on observational data to understand true commercial impact.
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Implement advanced frameworks such as DoubleML, potential outcomes modeling, two-way fixed effects models, interactive fixed effects models, and unobserved factor models.
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Collaborate deeply with expert technical teams
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Work hand-in-hand with our client’s internal decisions science teams (who primarily hold PhDs in quantitative fields), sparring on complex methodologies and operations research at a rigorous academic and practical level.
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Support a culture of clarity and continuous improvement
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Question how we model today, spot opportunities for better algorithms or optimization techniques, and translate highly complex data science concepts into actionable business value.
What you bring
At ADC, we're not just consultants: we're leading experts in Data & AI, using our expertise in strategy, business operations, and advanced analytics. What unites us is a shared way of working: breaking down complex challenges to change how organisations operate.
For this role, that means:
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Senior-level expertise: You bring significant experience in decisions data science or machine learning.
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Strong academic foundation: A PhD in Machine Learning, Computer Science, Statistics, Econometrics, Economics, Mathematics, or a highly related quantitative field is strongly preferred and a great indication of the methodological depth required for this role.
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Deep technical toolkit: Extensive hands-on experience in ML methods for forecasting longitudinal data (LightGBM, XGBoost, ensemble methods) and causal machine learning / causal inference methods (DoubleML, fixed effects models, potential outcomes).
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Domain knowledge: Experience applying forecasting, optimization (operations research), and causal inference specifically for pricing in retail and e-commerce settings is particularly desirable.
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The ability to communicate with anyone in the room: From client PhD researchers to commercial leadership, you manage stakeholders credibly and adapt your highly technical message to the audience.
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A proactive and entrepreneurial mindset: You’re eager to solve challenging problems, innovate, and drive change.
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A collaborative spirit: You believe the best solutions come from diverse perspectives and supporting each other to raise the bar.
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Fluency in English; Dutch is a plus.
What’s in it for you
At ADC, we value our freelance partners as true extensions of our collective. We bring you on board for your deep expertise, giving you the space to deliver exceptional work on projects that matter. That means:
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Impact you can point to: You’ll see your work in action, directly shaping how leading e-commerce organisations make pricing and forecasting decisions at scale.
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The freedom to innovate: We hire you for your senior expertise. You’ll have the autonomy to recommend better ways to build models, propose smarter algorithms, and challenge the status quo.
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True partnership: You won’t be working in a silo. You’ll collaborate closely with our internal experts and the client's PhD researchers, sparring on complex methodologies at the highest academic and practical level.
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Competitive compensation & flexibility: We offer highly competitive freelance rates that match your seniority, along with the flexibility to manage your working hours and deliver on clear, structured project goals.
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An inclusive culture: Even as a freelancer, you’re part of the team. You are always welcome to join our daily lunches, Friday drinks, and social events whenever you are at the office.
What to do next
If you believe in building with heart, thrive on collaboration, and want to collaborate with a team that challenges and supports you, we want to meet you! If this sounds like your next contract, apply through the link below.
Amsterdam Data Collective is an equal opportunity employer. To shape a better future, we value diversity and promote equality. No characteristics are discriminated against, as indicated in Directive 2000/78/EC. We encourage and welcome all applications. Additional arrangements or adjustments to support your application can be discussed further.
