Nikita Koselev
AI Evangelist at Mastercard
Cambridge, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolNikita Koselev is an AI Evangelist and Lead Software Development Engineer at Mastercard with a decade of software experience and a strong background in information technology from TalTech. He combines hands-on coding and deep analysis with developer-relations skills, advocating practical AI applications and open source research to improve business workflows. At Mastercard he grew an internal AI community from 250 to over 3,400 members in under eight months and now proactively surfaces ways colleagues can use AI to work smarter. Comfortable bridging technical execution and strategic evangelism, he’s equally at home shipping code, teaching ChatGPT best practices across roles, and exploring open-source solutions for real-world impact.
10 years of coding experience
8 years of employment as a software developer
Apprenticeship Business Transformation Fellowship, Apprenticeship Business Transformation Fellowship at MultiverseMaster's degree Information Technology, Master's degree Information Technology at TalTech – Tallinn University of Technology
Russian, Estonian, Russian, English, Spanish
Stackoverflow
195reputation
13kreached
2answers
4questions
Github Skills (200)
python10
testing10
deep-learning10
computer-science10
javascript10
r10
kubectl10
ml10
sql10
golang10
neural-network10
html10
privilege10
spark10
data-platform10
Programming languages (16)
Github contributions (5)
nikitakoselev/TogetherWeOpenSource
Jun 2022 - Nov 2022
OpenSource for the cause of empowering people, especially those from underprivileged and underrerpresented groups
Contributions:37 commits, 19 PRs, 22 pushes in 5 months
representationgroupsdiversityunderrepresentedunprivileged
nirkoren/jaxlondon
Oct 2019 - Aug 2025
Contributions:2 PRs in 5 years 10 months
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