Maria Soulountsi
Backend Engineer at SumUp
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolMaria Soulountsi is a backend engineer based in Berlin with 9 years of experience building robust payment, billing, and microservice architectures across startups and scale-ups. She brings a strong foundation in mathematical modelling, algorithms and cryptography to pragmatic system design, implementation, testing and documentation. Her recent work at SumUp and Blacklane centers on payments integrations, fraud prevention and resilient service design using Golang, Ruby, Kafka, PostgreSQL and Kubernetes. Maria has repeatedly driven migrations and event-sourced CQRS microservices, and has hands-on experience with GraphQL, serverless patterns and third-party payment providers like Braintree and CurrencyCloud. Curious by nature, she enjoys untangling complex legacy flows and shipping clean, well-tested services from scratch.
9 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Information and communication system engineering, Bachelor's degree, Information and communication system engineering at University of the Aegean
Stackoverflow
1reputation
0reached
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Github Skills (30)
python9
packaging9
package-manager8
freshchat8
dependency-management8
dependency-manager8
api-client7
python-packaging7
api7
nodejs6
graphql-schema5
graphql5
hapi5
javascript5
spec5
Programming languages (3)
Github contributions (5)
mariasoul/KosTourAndroid
Mar 2018 - Apr 2018
Contributions:12 pushes, 2 branches in 25 days
mariasoul/vogiatzisProject
Oct 2016 - Oct 2016
Contributions:2 PRs, 4 pushes, 2 branches in 1 day
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