Osmar Joseph User
@osmarjosephuser
Software engineer at Oso who built authorization APIs and a policy interface for AI agent tool access.
BrazilWhat I'm looking for
At Oso, I built authorization infrastructure for AI agents, including APIs to classify third-party MCP servers and CLI tools, a triage inbox, and a policy authoring interface. I worked across a Rust and PostgreSQL backend and a React console.
At Parker, I owned the React and TypeScript frontend, led a platform redesign that cut the component count by roughly 30%, and built a bill pay workflow that reduced invoice entry from about five minutes to under 30 seconds. Earlier, I built Philips Design’s CLI-driven CMS and digital asset hub, and backend APIs for brokerage and financial workflows at Pinhão Tecnologia.
Experience
Work history, roles, and key accomplishments
Built governance APIs for AI agent tool access, a triage inbox, and a policy authoring interface. Worked across Rust and PostgreSQL backend and React console.
Senior Software Engineer
Parker
Aug 2022 - May 2026 (3 years 9 months)
Owned the React and TypeScript frontend, led platform redesign, built bill pay workflow, and rebuilt onboarding and credit application flow.
Built a CLI-driven CMS for Philips Design, migrated documentation sites, and built a digital asset hub for the design language system.
Software Engineer
Pinhão Tecnologia
Jul 2019 - Jan 2020 (6 months)
Built backend APIs and business logic for brokerage and financial workflows in PHP and SQL, with React and React Native on the client.
Education
Degrees, certifications, and relevant coursework
Osmar Joseph hasn't added their education
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Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
Job categories
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