# Data Scientist (MMO Enhancements)

> Satori Analytics · Athens, Greece (Hybrid) · Full-time · Posted 2026-07-10

**Workplace:** hybrid

**Department:** Data Science

## Description

**Are you passionate about AI?** 🤖

At Satori Analytics, we aim to change the world one algorithm at a time by bringing clarity to global brands through Data & AI. From cloud-based ecosystems for fintech to predictive models for airlines, our cutting-edge solutions cover the entire data lifecycle—from ingestion to AI applications.

As a fast-growing scale-up, our team of 100+ tech specialists—including Data Engineers, Data Scientists, and more—delivers innovative analytics solutions across industries like FMCG, retail, manufacturing and FSI. Join us as we lead the data revolution in South-Eastern Europe and beyond!

**What Your Day Might Look Like:**

-   Specify Bayesian regression models from scratch — likelihood, priors, hierarchical structure — not just library defaults
-   Build and diagnose models in PyMC and/or Stan — MCMC sampling, convergence diagnostics (R-hat, ESS, divergences), and posterior visualisation with ArviZ
-   Design hierarchical structures with partial pooling and multi-level architectures, handling sparse group data gracefully
-   Chain models correctly — sequential, multi-stage architectures with full uncertainty propagation (Monte Carlo through the chain, never point estimates)
-   Model media dynamics — adstock and saturation transformations (geometric, Weibull, Hill), with parameters specified via priors and response curves extracted from posteriors
-   Optimise budgets under constraints — scipy.optimize and CVXPY for channel floors/ceilings and portfolio constraints, plus multi-objective work (Pareto frontiers, weighted utility, conflicting objectives)
-   Establish causal ground truth — geo experiment design and analysis, Difference-in-Differences, Synthetic Control, and experiment-to-model calibration
-   Handle structural breaks — piecewise regression, change-point detection (PELT, BOCPD, Bayesian), and regression discontinuity design
-   Document your work — methodology docs, assumption logs, and structured write-ups that stand up to scrutiny

## Requirements

**Your Superpowers🚀:**

-   Strong Python — production-quality, clean, reproducible code (pandas, NumPy, scikit-learn)
-   Solid SQL — joins, window functions, and aggregations at scale
-   Applied statistics depth — distributions, regression, hypothesis testing, model evaluation, and genuine comfort working with probability distributions and uncertainty
-   From-scratch Bayesian modelling — you can write down a likelihood, choose priors, and defend a hierarchy, not just call a packaged tool
-   PyMC and/or Stan fluency — including reading and acting on convergence diagnostics
-   Uncertainty discipline — you propagate posteriors through model chains rather than collapsing to point estimates
-   Optimisation experience — constrained nonlinear and multi-objective problems in a real-world setting
-   Causal inference toolkit — geo experiments, DiD, Synthetic Control, and calibrating models against experimental results
-   Git / version control as a matter of habit
-   Clear written communication — you document methodology and assumptions without being asked
-   Independence — you work from a defined brief, manage your own progress, and are proactive when blocked
-   AI awareness — you follow the space and know when (and when not) to reach for AI tooling

**Bonus Points for:**

-   CausalImpact or equivalent Bayesian causal inference frameworks
-   MLflow or other experiment-tracking tooling
-   NumPyro / Pyro experience
-   Geo lift tests — experience running or analysing them in a media context

## Benefits

**Perks on Perks:**

-   Competitive salary and hybrid work model – come hang out in our Athens office or work remotely from anywhere in European economic Area (EU, Switzerland etc.) or UK (up to 6 weeks per year).
-   Training budget to level up your skills from the top tech partners in the market (Microsoft, AWS, Salesforce, Databricks etc.) – whether it’s certifications or courses, we’ve got you covered.
-   Private insurance, top-tier tech gear, and the chance to work with a stellar crew.

Ready to create some data magic with us? Hit that apply button and let’s get started.

## Apply

[Apply at Satori Analytics](https://apply.workable.com/satori-analytics-1/j/48F35F5054/apply)

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