Sauli Ketola
Senior Software Developer (Telecom) at ketola.dev
Vantaa, Mainland Finland
Summary
👤
Senior🎓
Top SchoolSauli Ketola is a hands-on Senior Software Developer and Architect with 10+ years delivering cloud-native solutions, specializing in AWS for telecom and finance domains. He has progressed from software engineer roles into senior architecture positions at firms including Mandatum Life, Nitor, and Luoto Company, consistently focusing on scalable, secure authentication and authorization patterns. Sauli blends practical coding with high-level design, shepherding solutions from prototype to production while keeping operational security front and center. Based in Vantaa, Finland, he values pragmatic architectures that balance innovation with regulatory and reliability requirements common in banking and telecom. Beyond architecture, he runs ketola.dev, signaling an independent drive to explore industry-specific challenges and consultancy. Colleagues describe him as a pragmatic problem-solver who converts complex requirements into maintainable cloud-first systems.
10 years of coding experience
20 years of employment as a software developer
Pietarsaaren lukioBachelor of Engineering Media Engineering, Bachelor of Engineering Media Engineering at Häme University of Applied Sciences, HAMK
Github Skills (66)
android-client10
openid-connect10
android-sdk10
java10
openid10
authorization-server10
libra10
reactive9
ledger9
cryptocurrencies9
sdk9
xrp9
authentication9
spring-data9
verifiable-credentials9
Programming languages (4)
Github contributions (5)
ketola/jlibra
Jul 2019 - Nov 2022
A Java library for building applications on Diem (previously known as Libra)
Contributions:12 releases, 1 review, 172 commits in 3 years 5 months
diemjava-librarycryptocurrenciesjavalibra
ketola/quarkus
Mar 2024 - May 2024
Quarkus: Supersonic Subatomic Java.
Contributions:22 pushes, 1 branch in 2 months
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