Till Tietz
Senior Data Scientist
Sydney, New South Wales, Australia
Summary
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SeniorTill Tietz is a senior data scientist based in Sydney with six years of hands-on experience turning causal inference research and statistical software into production-ready solutions that drive measurable business impact. He has a rare blend of academic depth—authoring high-performance Bayesian and causal ML tooling and delivering 150× speedups—and product-facing delivery experience across CX analytics at Delivery Hero and retail analytics at THE ICONIC. Till’s work has repeatedly scaled open-source projects and tooling (tens of thousands of downloads) and optimized runtimes and memory to make large models practical on consumer hardware. He excels at aligning business and data stakeholders, embedding models into decision workflows, and unlocking revenue through model-driven process changes. Notably, he has shipped algorithms that cut model iteration from days to under an hour and translated research-grade methods into real-world gains like a €2M revenue uplift for industrial clients.
6 years of coding experience
7 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (23)
causal10
rselenium10
stan10
bayesian9
bayesian-inference8
parallel-execution7
text-analytics7
heterogeneous7
rcpp7
meta-analysis6
inference6
parallel6
meta5
r5
r-package5
Programming languages (3)
Github contributions (5)
till-tietz/till-tietz
Sep 2021 - Nov 2024
Contributions:71 pushes, 1 branch in 3 years 2 months
till-tietz/misccpp
Nov 2021 - Jul 2023
miscellaneous Rcpp toy projects
Contributions:2 PRs, 58 pushes, 2 branches in 1 year 8 months
toymiscellaneousrcpp
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