César Lawall
Staff Software Engineer at IPSY
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolCésar Lawall is a Staff Software Engineer based in Rio de Janeiro with 20+ years in software development and a decade of senior engineering leadership across high-growth companies like IPSY, Creditas, and OLX Brasil. He designs and implements scalable, cloud-native systems using Java, Node.js, Python, Go and AWS, with hands-on experience in search and messaging technologies such as Elasticsearch and RabbitMQ. Beyond coding, he mentors teams, teaches technical courses, and speaks in the developer community—bringing a rare mix of instructor-first communication skills and systems-architecture rigor. His academic background includes a Master of Applied Data Science from the University of Michigan and executive certificates from Harvard Business School Online, reflecting a blend of technical depth and management acumen. Notably, he has built high-throughput production systems (commercial beverage production and insurance libraries) and thrives on turning complex requirements into maintainable, high-impact solutions.
10 years of coding experience
11 years of employment as a software developer
Universidade Federal FluminenseMaster's degree Data Science, Master's degree Data Science at University of Michigan - School of InformationOther; Certificate in Negotiation Matery, Other; Certificate in Negotiation Matery at Harvard Business School Online
French, English
Github Skills (10)
java7
javascript6
ruby6
ember4
prometheus-exporter3
prometheus2
python2
pagerduty2
airflow1
operator1
Programming languages (2)
Github contributions (5)
clawall/twitellumapp
Nov 2019 - Dec 2019
Contributions:33 pushes, 32 branches in 15 days
clawall/siads-593
May 2023 - Jun 2023
Contributions:6 pushes in 29 days
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