Back-End Developer
BairesDev
Feb 2022 - Aug 2024 (2 years 7 months)
• Developed and maintained an API for a fintech using Event Sourcing and Domain-Driven Design.
• Optimized fraud prevention during user onboarding by leveraging DataVisor process flows.
• Lowered costs by helping migrate SMS, push, and email comms from SendGrid to Twilio and Braze.
• Improved customer service by creating Retool apps to facilitate the support team's workflow.
• Decreased incident response time by creating real-time dashboards and alerts in DataDog.
• Stack: TypeScript, Node.js, Express.js, fp-ts, io-ts, Kafka, MySQL, Jest, WireMock, Retool, DataDog.