Carlo Micieli
Principal Engineer at Klarna
Milan, Lombardy, Italy
Summary
👤
Senior🎓
Top SchoolCarlo Micieli is a Principal Engineer based in Milan with 14 years of backend and technical leadership experience, currently shaping Klarna’s Payments API to support global purchase flows. He combines deep Java and Spring Boot expertise with a track record of delivering market expansions, 3D Secure, KYC integrations, and Apple Pay enablement that directly improved customer experience and business metrics. As a hands-on technical lead he aligns cross-functional initiatives to business goals, drives system reliability and scalability, and mentors engineers across the organisation. His career bridges long-term enterprise experience at Pirelli with fast-paced product delivery at Klarna, giving him a rare perspective on both legacy industrial systems and modern payment platforms. Known for fostering knowledge sharing and hiring strong teams, he focuses on building resilient, high-impact systems while enabling continuous learning. An understated strength is his ability to translate regulatory and security requirements into pragmatic engineering solutions that scale internationally.
14 years of coding experience
14 years of employment as a software developer
University of MilanIFTS Impresa&Internet Computer Science, IFTS Impresa&Internet Computer Science at CFP VigorelliDiploma Elettrotecnica ed automazione, Diploma Elettrotecnica ed automazione at ITIS Marconi Gorgonzola
Italian, English
Stackoverflow
167reputation
19kreached
4answers
4questions
Github Skills (22)
prelude8
mongodb6
integration-testing6
haskell6
functional-programming6
spock6
gradle6
spring-data6
spring6
grails6
groovy6
scala6
java6
starcraft5
crossword5
Programming languages (4)
Github contributions (5)
CarloMicieli/railists-rs
Jan 2021 - Oct 2023
Contributions:1 release, 15 pushes, 1 branch in 2 years 9 months
CarloMicieli/carlomicieli.github.io
Jul 2015 - Jun 2018
Contributions:326 pushes in 2 years 11 months
reactweb-application
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