EBeduardo brunaldi
@eduardobrunaldi
Senior software engineer specializing in distributed systems, microservices, and technical leadership.
BrazilWhat I'm looking for
I am a senior software engineer with 8+ years of experience building distributed systems and microservices, currently maintaining Nubank's credit-card billing core serving 10+ million customers.
I drive architectural decisions, mentor engineers through code reviews and pairing, and establish technical standards while improving performance and observability across large-scale systems.
I designed and implemented a fraud dispute resolution system at PagBank that reduced resolution times by 90% and built secure, event-driven microservices using Kafka, CQRS, and end-to-end encryption.
I am experienced in TDD, CI/CD, DevOps practices and fluent in Kotlin, Java and Clojure, with hands-on experience in cloud and messaging technologies to deliver reliable, high-availability services.
Experience
Work history, roles, and key accomplishments
NUSenior Software Engineer
Nubank
Feb 2025 - Present (9 months)
Maintain and enhance credit-card billing core serving 10+ million customers; led multi-country implementations, delivered performance improvements that reduced latency and increased throughput, and drove observability and architectural standards across the billing team.
Software Engineer
PagBank
May 2021 - Feb 2025 (3 years 9 months)
Led design and implementation of an automated fraud dispute resolution system, reducing resolution time by 90% (20 → 2 minutes), and built scalable microservices for secure card PIN management using event-driven Kafka architecture and resilience patterns.
Software Engineer
Tokenlab
Jan 2017 - May 2021 (4 years 4 months)
Led a three-year development of a gym management system using Node.js and AWS (Lambda, DynamoDB, S3), automating scheduling, membership, and payments to improve operational efficiency.
Education
Degrees, certifications, and relevant coursework
UPUniversity of Sao Paulo
Bachelor of Computer Science, Computer Science
2013 - 2019
Completed a Bachelor of Computer Science program with coursework and projects focused on software engineering and distributed systems.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
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