Anssi Kääriäinen
Technical Lead at Holvi
Kouvola, Kymenlaakso, Finland
Summary
👤
Senior🎓
Top SchoolAnssi Kääriäinen is a Technical Lead with 15 years of software engineering experience, currently shaping backend architecture and team delivery at Holvi. He specializes in pragmatic, reliable solutions to complex problems, with deep expertise in SQL database design, data modelling, ORMs and Django — where he contributes at the core level. His background spans fintech invoicing and payments, accounting integrations, and fast-paced public health systems, demonstrating an ability to move from rapid deployment to long-term architecture. Known for hands-on leadership, he balances tech planning, vendor relations and talent acquisition while still writing and reviewing critical backend code. Based in Kouvola, Finland, he pairs an Aalto University CS master's foundation with a knack for reducing complexity into maintainable systems.
16 years of coding experience
12 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Aalto University
Github Skills (24)
python10
django10
orm10
web-framework10
django-rest9
panels9
request-response9
user-authentication8
linter8
event-calendar7
backend6
pythonic6
rest-framework6
static-typing6
serializer5
Programming languages (1)
Github contributions (5)
akaariai/djangobench
Mar 2012 - Feb 2013
Contributions:17 commits in 11 months
pythondjangobenchmarkperformancebenchmarks
akaariai/django
Apr 2012 - Mar 2016
Contributions:587 commits, 100 pushes, 37 branches in 3 years 11 months
frameworkdeadlinesweb-framework
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