Lucas Narciso
Senior Software Engineer at The RealReal
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolLucas Narciso is a Senior Software Engineer with 11 years of industry experience, currently shaping backend reliability and user-facing features at The RealReal after a multi-year tenure building Elixir/Phoenix services at Bleacher Report. He combines deep backend expertise—PostgreSQL, Kafka, RabbitMQ—and a polyglot background (Elixir, Ruby, Rust, TypeScript) with hands-on API and observability ownership across cross-functional teams. An active contributor to blockchain tooling, he enhanced smart contract ABI encoding/decoding and multi-function contract calls in the widely used Blockscout explorer. Academically invested in technological innovation and sustainability through a master's at UNIFESP and an exchange in the US, he brings a research-minded approach to pragmatic system design. Outside engineering he pursues music, languages and volunteer work, reflecting broad curiosity and a commitment to social and environmental impact.
11 years of coding experience
8 years of employment as a software developer
Bachelor’s Degree Analysis and Development of Systems, Bachelor’s Degree Analysis and Development of Systems at Fatec São José dos Campos - Prof. Jessen VidalMaster's degree Technological Innovation, Master's degree Technological Innovation at Unifesp - Universidade Federal de São PauloExchange Student Computer Science, Exchange Student Computer Science at State University of New York at Plattsburgh
English, Portuguese
Github Skills (10)
smart-contracts10
contract10
api10
ethereum10
apidoc10
elixir10
blockchain10
exunit9
test-unit9
unit-testing9
Programming languages (4)
Github contributions (5)
blockscout/blockscout
Jun 2018 - Nov 2018
Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains.
Role in this project:
Back-end Developer & API Developer
Back-end Developer & API DeveloperContributions:42 commits, 23 PRs, 176 pushes in 4 months
Contributions summary:Lucas primarily contributed to the development of the `blockscout/blockscout` project by implementing and refining the functionality for interacting with smart contracts on the Ethereum blockchain. This includes creating a module for reading smart contract functions and integrating with Ethereum JSON-RPC for encoding, decoding, and executing function calls. Furthermore, the user added support for executing multiple contract functions via API calls, expanding the capabilities of the explorer. This work directly involved encoding/decoding ABI data and building the infrastructure to query the blockchain.
analyzingetherscanethereumblockchainelixir
lucasnar/dotfiles
Mar 2018 - Dec 2024
Contributions:17 pushes, 1 branch in 6 years 10 months
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