Ville Peurala
Senior Lead Developer, Chapter Lead at OP Financial Group
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolVille Peurala is a seasoned software leader with nearly two decades of hands-on experience building reliable systems and leading engineering teams across Finland. He currently serves as Senior Lead Developer and Chapter Lead at OP Financial Group, where he guides a Credit Engine team that relies on pure functional programming, immutability and extensive automated testing techniques such as fuzz and property-based testing to get intricate financial calculations right. Comfortable both in leadership and deep technical roles, Ville pairs strong process improvement skills with uncommon domain expertise in banking and finance for a developer. His background ranges from CTO and architect roles to early-stage consultancy and even nontechnical work as a subway driver, reflecting pragmatic problem-solving and adaptability. A multilingual thinker with an M.Sc. from the University of Helsinki, he favors functional languages (Kotlin, Haskell, Scala) and champions idempotent, test-first engineering practices in production-grade systems.
19 years of coding experience
23 years of employment as a software developer
High School Ylioppilas, High School Ylioppilas at Porin aikuislukioFilosofian maisteri (M.Sc.) Computer Science Comparative Literature Philosophy Mathematics, Filosofian maisteri (M.Sc.) Computer Science Comparative Literature Philosophy Mathematics at University of Helsinki
Finnish, English, Swedish, German
Stackoverflow
36reputation
665reached
1answer
0questions
Github Skills (38)
java-bytecode10
bytecode-manipulation10
bytecode9
manipulation8
java8
regex6
django6
finnish6
parsing5
modular5
scales5
parser5
elm4
hackage4
string-formatting3
Programming languages (10)
Github contributions (5)
orangitfi/FinnPic
Dec 2019 - Nov 2020
A Scala implementation of Finnish PIC (Personal Identity Code)("henkilötunnus" in Finnish).
Contributions:3 PRs, 110 pushes, 7 branches in 11 months
scalapicfinnishidentity
vpeurala/sjd
Mar 2016 - Aug 2019
Contributions:47 pushes, 1 branch in 3 years 4 months
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