Julian Betancourt
Senior Software Engineer at Sinch- Claim this Profile
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Bio
Experience
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Sinch
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Sweden
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IT Services and IT Consulting
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700 & Above Employee
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Senior Software Engineer
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Aug 2023 - Present
Leading Frontend for Registrations (alphanumeric SMS sender ids) Leading Frontend for Registrations (alphanumeric SMS sender ids)
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Twilio
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United States
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Software Development
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700 & Above Employee
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Senior Software Engineer
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Apr 2022 - May 2023
• Migrated +10 complex pages for Serverless and Messaging applications into a monorepo, improving frontend SLOs by more than 20% • Regionalized multiple Messaging functionalities by building new features in both the Frontend and a central Backend For Frontend written in Node.js • Met high-standard quality code metrics such as 100% unit test coverage, end-to-end testing and leading bug-bashing sessions • Built several monitoring dashboards with Datadog to track frontend performance and user activity. • Cross-collaboration with PMs, engineers and designers distributed all across the globe Tech: Node.js, Typescript, React, Redux, react-query, Jest, TestingLibrary, Cypress, react-i18next, Split.io, Datadog Show less
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MessageBird
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Netherlands
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Telecommunications
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400 - 500 Employee
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Frontend Engineer
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Oct 2020 - Jan 2022
• Led the migration of the main Dashboard’s auth pages into its own microfrontend. • Maintained the Marketing Pages (messagebird.com) with Gatsby.js and custom Node.js plugins • Built several onboarding flows to ease the channel activation experience of new customers • Worked on the new SMS Routing solution for internal usage Some of the tools I've used include: JavaScript/TypeScript React-testing-library Cypress Split.io (feature flagging) Transifex (Localization) CSS-in-JS Gitlab CI Show less
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Quiqup
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United Arab Emirates
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Transportation, Logistics, Supply Chain and Storage
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100 - 200 Employee
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Software Engineer II
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Dec 2018 - Oct 2020
Quiqup is disrupting the world of commerce and becoming a global player in on-demand logistics, connecting demand and supply wherever there’s the need.• Developed a BackEnd service to automate parcel labeling. This removed the work from clients to create labels and helped with standardization of labels• Led the first project in the company that fully adopted React hooks and Typescript. This product was key to gain market-share in the same-day delivery industry in Dubai• Worked on several tasks involving real-time operations; such as real time courier tracking using websockets, react-leaflet (maps) and connecting these to our own real-time microservices• Led the adoption of react-testing-library for unit testing and migration from Enzyme. This simplified our tests and improved testing practices overallTools/methodologies include:- React (composing apps with custom hooks)- Redux and Apollo GraphQL- Typescript- Jest with React Testing Library- Cypress (E2E)- Css-in-js and Sass- npm private modules- Node.js- NestJS- Gitlab CI, Kubernetes- Agile development Show less
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Frontend Engineer
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Jan 2017 - Nov 2018
• Participated in the company expansion to the UAE by building an improved dashboard for clients to • book couriers and track them real-time.• Created an AddressBook interface using React and GraphQL that drastically improved the way users managed their contacts• Created a complex UI filtering system for customers order history• For the company’s rebrand, led the UI component migration to match the new colors, icons, and other design tokens. The outcome was a re-branded UI component library (built in-house) Show less
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Techstars Startup Weekend Rotterdam (Online)
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Netherlands
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Non-profit Organizations
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Organizer
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May 2019 - Sep 2019
- Formed part of the organizer team for the first StartUp Weekend event ever in Rotterdam. -Participated in multiple brain-storming sessions and helped with the overall logistics of the event (approaching mentors, promoting the event etc) - Formed part of the organizer team for the first StartUp Weekend event ever in Rotterdam. -Participated in multiple brain-storming sessions and helped with the overall logistics of the event (approaching mentors, promoting the event etc)
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