Jose Leonardo Bravo Martinez
About
Detail
Software Developer | Nodejs & Typescript
Colombia
Résumé
Jobs
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- BFullstack Typescript developer public Remote experienceBYYUTO LLCJan 2024 - Oct 2025 (1 year 10 months)• Drove feature definition and facilitated technical discussions with stakeholders, product owners, and tech leads
• Architected and implemented database models for multi-tenant sports betting platform
• Developed responsive UIs based on mobile-first designs for customer, agent, master control, and back-office platforms
• Integrated third-party sports data providers (GoalServe, OpticOdds) for real-time odds, events, and settlements
• Built fraud prevention rules system and implemented risk management logic
• Engineered complex financial features including tiered wallet balances (deposit, withdrawable, bonus), deposits, withdrawals, and shop-level transactions
• Created advanc 
Javascript Developer public Remote experienceHello BuildSep 2021 - Jan 2024 (2 years 5 months)• Executed Scrum and Kanban methodologies for project delivery
• Partnered directly with architects and tech leads on technical strategy
• Conducted POCs and spike analysis to validate technical feasibility
• Developed, tested, and documented UI components for mobile and desktop
• Built automated assessment app with React and Azure AI services (LUIS, Cognitive Services)
for HR services client's hiring process
• Created billing feature UI from scratch for home contractors SaaS product
• Migrated billing services from REST to GraphQL architecture
• Configured code quality tools (husky, commit-lint, lint-staged)
• Led knowledge transfer sessions and me- JJavascript developer public Remote experienceSep 2019 - Sep 2021 (2 years 1 month)• Designed and implemented UI/UX-based React components and evaluated technical viability
• Optimized slow renders and improved performance, primarily on mobile devices
• Assessed codebases and identified refactoring opportunities
• Enhanced CSS layout for Hi-Res screens
• Contributed to internal libraries and tools design, development, and testing
• Collaborated on APIs design and testing, including auth processes, mailing, and CRUD
operations
Key Achievements:
• Mastered designing, testing, and implementing UI components with React and React
ecosystem (Redux, React Router, React Testing Library)
• Established solid foundation in APIs design and con
Education
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- Front End Libraries Certification public Remote experienceFree Code CampOct 2019 - Nov 2019 (2 months)
- JavaScript Algorithms and Data Structures Certification public Remote experienceFree Code CampSep 2019 - Oct 2019 (2 months)
- Grado en IngenieríaUniversidad Nacional Experimental del TáchiraApr 2010 - Nov 2018 (8 years 8 months)
Projects (professional or personal)
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- AAloha Chat App public Remote experienceMar 2021 - Apr 2021 (2 months)- Passed client side websockets tests with the EventEmitter API.
- Successful voices notes recording and playing.
- Get a 100 score on lighthouse.
- Get a Whatsapp web like behavior.
- Implement client side websocket tests.
- Implement voice note recordings with the media recorder API.
- Ajust the HttpMaxBufferSize socket.io server param to able the user upload custom avatar images.
A fully react hooks app that performs a Whatsapp web like behavior. - TThe catalogue public Remote experienceSep 2020 - Oct 2020 (2 months)- Implement an infinite scroll movies feed.
- Optimized layout to HiRes screens and mobiles devices.
- Remove bugs and several code smells.
- Fetch movies with The Movie Database(TMDB).
- Save movies lists with the localStorage API.
- Implement a fully responsive Layout.
Movies search app built with React.