Sergio C
Software Engineer at N26 Group
Germany
Summary
🤩
Rockstar🎓
Top SchoolSergio C is a software engineer based in Germany with three years of hands-on experience building production-grade systems for product-driven companies like N26. He has shipped customer-facing features that created new revenue streams (Recurring Top-ups) and boosted market adoption (Bizum integration for Spain), while also improving platform reliability and developer productivity through build-time reductions and on-call participation. Comfortable across backend, mobile payment integrations and cloud infrastructure, he applies Domain-Driven Design and tools such as Kotlin, Kafka, AWS, Terraform and ArgoCD to deliver scalable solutions. He has a track record of translating complex business needs into pragmatic systems—from e-commerce and logistics to financial products—and quietly contributes to team growth by leading interviews and internal knowledge-sharing.
3 years of coding experience
3 years of employment as a software developer
Bachelor of Engineering - BE, Computer Engineering, Bachelor of Engineering - BE, Computer Engineering at Universidad de ZaragozaBachelor of Engineering - BE, Computer Engineering, Bachelor of Engineering - BE, Computer Engineering at Università degli Studi di Modena e Reggio Emilia
Spanish, English, Italian, German
Github Skills (10)
matcher9
tdd8
verification8
kotlin8
testing8
mocking7
banking6
sec5
open-banking5
documentation2
Programming languages (1)
Github contributions (3)
sergiocostaN26/uuid-cli
Aug 2024 - Nov 2024
Contributions:2 releases, 8 pushes, 1 branch in 3 months
n26/psd2-tpp-docs
Sep 2025 - Oct 2025
N26 Open Banking Documentation for TPPs
Contributions:2 PRs, 6 pushes, 4 branches in 1 month
n26open-bankingsecbankingopen-banking-team
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