Andrii Nikolaienko
Lead Data Engineer
Dublin, Ireland
Summary
👤
Senior🎓
Top SchoolAndrii Nikolaienko is a Lead Data Engineer based in Dublin with a decade of experience building efficient, scalable data architectures across healthcare and mobility domains. He currently leads data engineering at Optum (UnitedHealth Group) after driving backend and data platform work at Bolt and designing n-tier messaging and analytics systems at TrustYou. A pragmatic polyglot, he has hands-on expertise from Python and FastAPI to C#/.NET, PostgreSQL, Redis and ElasticSearch, and a track record of improving performance, monitoring, and CI/CD in production environments. As a former CTO and founder of a sports competition platform, he combines product sensibility with engineering leadership and has delivered systems that engaged thousands of users. Notably, he led migrations from Python 2 to 3, built Kubernetes deployments and observability stacks, and mentors teams to adopt better testing and architecture practices.
10 years of coding experience
12 years of employment as a software developer
Kyiv National Technical University of Ukraine "Kyiv Polytechnic Institute"National Technical University of Ukraine "Kiev Polytechnic Institute"Khmelnitsky Mathematical Liceum №17
Stackoverflow
2,525reputation
292kreached
82answers
12questions
python
top-5%
Github Skills (54)
visual-studio-code10
object-mapping10
python10
microsoft10
electron10
typescript10
editor10
parsing10
mapper10
object-mapper10
json-schema9
validation9
jwe9
linter9
jwk9
Programming languages (3)
Github contributions (5)
anikolaienko/my_spanish
Nov 2018 - Jan 2023
Contributions:10 pushes, 1 branch in 4 years 3 months
anikolaienko/py-automapper
Jun 2021 - Nov 2022
Python object auto mapper
Contributions:15 releases, 7 reviews, 80 commits in 1 year 5 months
automapperpythonpython3mappingobject-mapper
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