Samuel A.

Top Rated, 100% Job Success, 100+ Upwork contracts since 2019. I'm a bilingual engineer (B.S. Software Engineering and Electrical Engineering, UFG) who translates and localizes technical products into Brazilian Portuguese and Spanish, and who can also open the code when something breaks. What clients hire me for: ✔️ Software and app localization: JSON, XML, PO, XLIFF, Qt Linguist and string files, with placeholders, variables and HTML kept intact ✔️ Technical, financial and crypto translation (EN ↔ PT-BR, ES → PT-BR): documentation, UI, help centers, contracts, marketing ✔️ AI translation QA (MTPE): reviewing machine and LLM output for accuracy, terminology and natural tone, following glossaries and style guides ✔️ Bilingual research for the Brazilian market: user interviews, desk research, transcription ✔️ Light development and automation: scripts, spreadsheet automation, Shopify theme fixes Why clients keep me on long-term projects: • Engineer's eye: I understand what the product does, so the translation fits the interface and the user • Native Brazilian Portuguese, fluent English and Spanish • Consistent terminology across months of ongoing work • Available during US business hours, and comfortable working async Send me your file format and a sample, and I'll reply with a quote and turnaround time.