LCLuiz Miguel Cardoso
@luizmiguelcardoso
Software engineer building high-performance web and mobile applications with scalable architectures.
BrazilWhat I'm looking for
I am a software engineer focused on building high-performance web and mobile applications using TypeScript, Go, React and Node.js. I design scalable architectures, build robust APIs, and create reusable UI components to deliver seamless user experiences at scale.
At Mercado Libre I contributed to the Balance and Transactions section of a mobile app serving 35M+ monthly users, improved API response times with cache-aside patterns, refactored legacy services to reduce latency, and implemented observability with DataDog and Grafana. Previously at Avanade I worked as a full-stack engineer on a large-scale mobile banking application serving 30M+ monthly users, adding Redis caching, optimizing database queries, and integrating Kibana and automated tests.
I bring a pragmatic focus on clean, maintainable code, distributed systems, caching strategies, and monitoring. I actively participate in on-call rotations and emphasize reliability, performance, and engineering practices that impact millions of users.
Experience
Work history, roles, and key accomplishments
MLBuilt and maintained frontend and backend components for the Mercado Pago Balance and Transactions section serving 35M+ monthly users; refactored legacy backend reducing average response time from ~3.5s to 1.5s and improved API latency using a cache-aside pattern with DynamoDB.
AVSoftware Engineer
Avanade
Aug 2022 - Nov 2024 (2 years 3 months)
Built a large-scale mobile banking application serving 30M+ monthly users as a Full Stack Engineer; developed reusable Angular UI components and scalable Node.js services, improved performance with Redis caching and optimized DB queries.
Education
Degrees, certifications, and relevant coursework
IFSP – Federal Institute of Education, Science and Technology – São Paulo
Bachelor's in Systems Analysis and Development, Systems Analysis and Development
2022 - 2024
Completed a Bachelor's in Systems Analysis and Development focusing on software engineering, systems design, and application development from February 2022 to December 2024.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
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