João Matos
Software Development Engineer at Amazon Web Services (AWS)
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolJoão Matos is a software development engineer based in Berlin with eight years of hands-on experience building high-throughput, reliable backend systems. At AWS Billing he owns services that power pricing and billing workflows serving 90M+ requests per day across multiple regions, and delivered a change that cut runtime by 40% and recovered over $1M/month in revenue. He favors relational data modeling, distributed systems, compilers and backend web development, and brings a pragmatic engineering philosophy driven by stakeholder value, YAGNI and strong typing. Comfortable in diverse international teams, he has shipped scalable PostgreSQL-backed architectures and full-stack features in startups using Kotlin, TypeScript and React. Outside work he balances deep technical curiosity—evident from experience across Rust, C++, Prolog and compiler interests—with a pragmatic operational mindset, including regular on-call and incident response duties.
8 years of coding experience
BSc + MEng, Informatics and Computing Engineering, BSc + MEng, Informatics and Computing Engineering at Faculdade de Engenharia da Universidade do Porto
Portuguese, English, Spanish, German
Github Skills (60)
node-red10
aws10
development-kit9
npm9
typescript9
cloud-infrastructure9
nodes9
cpp9
eclipse8
transpiler8
infrastructure8
terraform8
infrastructure-as-code8
aws-cloud8
weaver8
Programming languages (10)
Github contributions (5)
joaonmatos/superchat-frontend-challenge
Feb 2021 - Mar 2022
Cardy GH - a custom card for your GitHub repository
Contributions:1 review, 24 commits, 119 PRs in 1 year 1 month
tailwindcsscustom-cardhome-assistantpostgresqltypescript
joaonmatos/blog.joaonmatos.com
Dec 2021 - Mar 2024
Contributions:14 pushes, 2 branches in 2 years 3 months
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