Thiago Valentim
Shipbroker at C. Steinweg Group
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolThiago Valentim is a maritime professional and technologist with seven years in shipping and a broader 15+ year background in project management, asset management and SAP-driven operations. As a shipbroker at C. Steinweg Group he blends chartering, S&OP and fleet optimization know-how with hands-on product ownership experience from Vale, where he led digital shipping platforms, E2E LOI workflows and BI/RPA initiatives. He pairs commercial insight with technical fluency—contributing backend fixes and tests to prominent open-source NestJS modules around SSE, GraphQL utilities and file parsing—bringing practical event-driven and TDD practices to integration challenges. Known for cross-functional communication and process design, he drives traceability and reduced operational friction across commercial, IT and trading teams. Fluent in enterprise asset and budget control, he leverages multidisciplinary skills to translate business requirements into measurable operational gains. Based in São Paulo, he combines port engineering education and an MBA to bridge logistics strategy with scalable software-enabled solutions.
6 years of coding experience
Pós-graduação Lato Sensu, Engenharia Portuária, Pós-graduação Lato Sensu, Engenharia Portuária at Fundação SousândradePUC-RioMBA in Business Management, MBA in Business Management at Ibmec Business SchoolSystem Analyst, System Analyst at Candido Mendes
English, Spanish
Github Skills (16)
testing10
nestjs10
graphql10
typescript10
nodejs10
javascript10
typescripts10
wordpress-graphql10
wpgraphql10
typescript-types10
file-upload9
application-framework9
app-framework9
web-framework9
websocket8
Programming languages (7)
Github contributions (5)
nestjs/nest
Jan 2022 - Nov 2022
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
Role in this project:
Back-end Developer
Back-end DeveloperContributions:49 reviews, 86 commits, 12 PRs in 9 months
Contributions summary:Thiago primarily contributed to the NestJS framework by implementing and refining features related to Server-Sent Events (SSE). Their work included fixing bugs in SSE stream handling and adding features like parsing files. The user also added tests for these new features and validators and made refactors in the codebase. The user further extended the framework by adding file parsing capabilities and a file upload E2E test.
es8server-sideon-toptypescript-frameworkcnode
nestjs/graphql
May 2022 - Oct 2022
GraphQL (TypeScript) module for Nest framework (node.js) 🍷
Role in this project:Back-end Developer
Back-end DeveloperContributions:4 reviews, 8 commits, 7 PRs in 4 months
Contributions summary:Thiago contributed to the `nestjs/graphql` repository by implementing and refining utility functions for argument parsing and context handling within the GraphQL module. Their work focused on improving the accuracy and reliability of argument counting and context ID generation. The contributions included adding new utility functions, refactoring existing ones, and creating comprehensive unit tests to ensure the correct behavior of these utility functions. This work demonstrates a focus on enhancing the core functionality and stability of the GraphQL implementation within the NestJS framework.
nestjsapollographqltypeormnode-jsjavascript
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