Felipe Mata

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Senior Software Engineer

Amino Health

Nov 2023 - Current (2 years 8 months)

• Developed and maintained core navigation APIs to help users find in-network healthcare providers and estimate treatment costs. • Designed and secured RESTful APIs with JWT and OAuth2, ensuring HIPAA-compliant access to protected health information. • Integrated payer and claims data sources to generate personalized provider recommendations based on historical costs and coverage. • Implemented asynchronous background workers for claim and appointment ingestion using RabbitMQ and MassTransit. • Created robust unit and integration test coverage using xUnit, Moq, and test containers, driving test coverage above 90%. • Participated in compliance audits and data governance efforts, contributing to encryption-at-rest and TLS enforcement st

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Senior Backend Engineer

StartEd

May 2020 - Oct 2023 (3 years 6 months)

• Built APIs and services powering cohort-based accelerator programs, event management tools, and mentor scheduling workflows. • Developed a modular backend in .NET Core using Domain-Driven Design and Clean Architecture principles to support multi-tenant SaaS features. • Integrated Zoom and Calendly APIs for real-time event and workshop scheduling. • Architected a background job system for generating mentor feedback reports and weekly student progress summaries. • Implemented Stripe integration for handling paid coaching tiers, trial subscriptions, and automated invoice generation. • Used Dapper and EF Core side-by-side for flexible querying and optimized DB performance, reducing latency on dashboard metrics. • Introduced Role-Based

Software Developer

Peek

Nov 2017 - Apr 2020 (2 years 6 months)

• Led backend services for activity booking, vendor dashboards, and payment integrations in a high-traffic travel marketplace. • Designed real-time slot availability APIs, supporting dynamic calendar management and activity limits for over 10,000 vendors. • Built automated reconciliation and refund logic for payment disputes, ensuring financial accuracy across Stripe and Braintree gateways. • Worked on a custom notification system for customer reminders and vendor alerts using AWS SNS and background job queues. • Tuned SQL Server performance by creating indexed views, improving analytics page load time by 40%. • Refactored legacy .NET Framework components into modern .NET Core services using clean architecture and separation of concer

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Backend Developer

Microworkers

May 2014 - Oct 2017 (3 years 6 months)

• Contributed to the backend of a global crowdsourcing platform that facilitates microtasks such as data labeling, user testing, and content moderation. • Developed RESTful APIs and background services in .NET to manage job posting, task validation, and payout workflows. • Integrated real-time worker analytics dashboards using SQL Server and charting libraries to track task performance and quality. • Implemented a reputation scoring algorithm and moderation logic to detect fraud and ensure job/task reliability. • Built out localization support to expand the platform's reach to non-English-speaking regions. • Created PowerShell and C#-based deployment scripts to improve release consistency across staging and production environments. •

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