Matías Olivera
Technical Leader at Fulljaus
Vicente López, Buenos Aires, Argentina
Summary
👤
Senior🎓
Top SchoolMatías Olivera is a Technical Leader and full-stack engineer with a decade of experience blending hands-on development, team leadership, and entrepreneurship across Argentina’s tech and retail sectors. He has led Core teams building REST APIs and integrations, improved architecture and testing at scale, and currently steers technology at Fulljaus while co-directing a family-run textile business. Matías contributes to notable open-source projects—helping internationalize the popular learning game CodeCombat and improving TypeScript typings in DefinitelyTyped—demonstrating attention to developer experience and global users. Comfortable across backend, frontend and tooling (including CoffeeScript and module bundlers), he pairs pragmatic code contributions with documentation and developer onboarding. Known for turning monoliths into modular libraries and for mentoring new engineers, he brings entrepreneurial grit and a customer-facing mindset to technical leadership.
10 years of coding experience
6 years of employment as a software developer
System Analist Computer/Information Technology Administration and Management, System Analist Computer/Information Technology Administration and Management at ORT Argentina
Stackoverflow
113reputation
599reached
1answer
0questions
Github Skills (23)
static-typing10
javascript10
coffeescript10
translation10
typescript10
internationalization10
typescript-definitions10
bundle10
type-definition10
optional-typing10
localization10
strong-typing10
build-automation10
typescript-types10
nodejs10
Programming languages (6)
Github contributions (5)
developit/microbundle
Dec 2018 - Feb 2019
📦 Zero-configuration bundler for tiny modules.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:13 commits, 2 PRs, 13 comments in 2 months
Contributions summary:Matías primarily focused on refactoring and improving the codebase's structure within the microbundle project. They introduced new functions like `getConfigFromPkgJson`, `getName`, `getInput`, and `getOutput` to enhance code organization and readability. Their changes also involved addressing code style concerns and refactoring existing functions, such as `jsOrTs`, to simplify the implementation. Furthermore, they made updates to the test suite.
bundlerzero-configurationbundlemodule-bundlermicrolib
DefinitelyTyped/DefinitelyTyped
Dec 2018 - Jan 2019
The repository for high quality TypeScript type definitions.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:14 commits, 2 PRs, 1 comment in 22 days
Contributions summary:Matías primarily contributed to type definition files for the `validatorjs` and `graphql-errors` libraries within the DefinitelyTyped repository. Their work involved adding, modifying, and correcting type definitions, which included updating versions, changing type cases, adding interfaces and callbacks, and fixing errors in existing definitions. The user's contributions improved the accuracy and completeness of TypeScript type definitions for these JavaScript libraries.
typescriptdefinitiondtstypingstypescript-definitions
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