Nielsen Gonçalves is a tech lead based in Berlin with nine years of hands-on experience designing and running large-scale, cloud-native systems for fintech and marketplace platforms. He specializes in Kotlin and Java and has led migrations to microservices, AWS/Terraform provisioning, and observability improvements using OpenTelemetry, Datadog and New Relic to maintain high uptime SLAs. Nielsen has driven payments and card-issuing initiatives that support millions of users and tens of millions of annual transactions, coordinating complex integrations with PSPs, card manufacturers and networks like Mastercard. He pairs deep technical ownership with mentorship and process improvement—authoring RFCs, leading on-call rotations, and lifting team capability through pairing and reviews. Colleagues rely on him to turn ambiguous business requirements into resilient architectures that scale across multiple markets.
9 years of coding experience
12 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universidade Federal de Uberlândia - UFU
Bachelor's degree Software Engineering, Bachelor's degree Software Engineering at Centro Universitário da Grande Dourados
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.