Joonas Puura
Summary
👤
SeniorJoonas Puura is an Engineering Manager in Tartu with 11 years of experience building and leading data science and machine learning teams, currently heading Bolt’s Data Science ML Tools & Workflows for Customer Support product. He progressed from hands‑on ML research and engineering—shipping company‑wide ETA/travel‑time and traffic forecasting models and production live‑signal features—to team leadership, hiring and mentoring data scientists while coordinating cross‑team roadmaps. Joonas has a strong academic background from the University of Tartu (MSc, PhD studies) and brings research rigour to production systems, having built backtesting simulators and robust batch/stream training pipelines that improved routing and forecasting stability. He also teaches mobility modelling, underscoring his mix of practical impact and scholarly depth. A detail that stands out: he combines deep experimentation culture (A/B testing and offline/online evaluation harnesses) with product-focused delivery in high‑throughput, real‑time ML environments.
11 years of coding experience
Github Skills (15)
extraction6
latex4
data-uri4
mathematics4
python4
process-mining3
csv3
machine-learning3
javascript3
data-mining3
data-science3
svg2
browser2
etl2
statistics2
Programming languages (4)
Github contributions (5)
Abercus/hajusarvutused_mpi4py
May 2016 - Apr 2018
Contributions:2 PRs, 5 pushes, 1 branch in 1 year 10 months
mpi4pypython
Abercus/devianceminingthesis
May 2019 - Oct 2019
Contributions:5 commits, 4 pushes, 1 branch in 5 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.