Roberto Duessmann
Director of Engineering @Klar
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WORK HISTORY
Director of Engineering @Klar
Berlin, DE
Lead the Payments vertical, responsible for all payment-related features andservices such as card management, integration with the Central Bank of Mexico, Mastercardcard authorisations, and bill payments.~ 20 microservices managed by the team- Card authorisation process: responsible for the authorisation API, which Mastercard/PROSA uses to approve purchases. High-latency and availability system. 3DS and Tokenization (Apple Pay and Google Pay). PCI certified- Card management: design, implementation, and maintenance of the whole logistic processof card delivery, from user signup to picking up the courier for delivery, and integrationwith external partners to emboss the cards- Interbank transfers: lead the implementation of inhouse solution to connect to SPEI andthe Central Bank of Mexico.Technologies used- Microservices with Java, Kotlin, Rust and Spring Boot- Event-driven architecture with Kafka- Docker, Kubernetes, AWS, Terraform, Terragrunt- PostgreSQL, Redis, DynamoDB
EDUCATION
SENAI/SC - Serviço Nacional de Aprendizagem Industrial
Technical Course, Information Technology
Universidade do Estado de Santa Catarina
Bachelor's degree, Industrial Engineering
Universidade Federal do Paraná
Postgraduate, Software Engineering
SKILLS
ABOUT ROBERTO DUESSMANN
Software engineer for 10+ years. Experience in backend development with Java, Microservices, Spring Boot, Kafka, Docker, and AWS.4 years of experience as a manager, managing teams from 4 to 10 members and also building teams from the ground up.Experience in different industries: B2B enterprise solutions, B2C retail, and fintech.Currently, he serves as the Director of Engineering at Klar, where he has spent the last 5 years building a fintech and challenger bank that serves over three million users.
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