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Adrián Abel EstévezAE
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Adrián Abel Estévez

@adrinabelestvez

Full Stack Software Engineer at Sensus Healthcare who secured machine integrations and modernized Sensus Cloud.

United States
Message

At Sensus Healthcare, I led implementation of API key authentication, rate limiting, and a custom challenge algorithm to secure machine integrations and meet industry cybersecurity standards. I also modernized Sensus Cloud for the Fair Deal Agreement program, supporting a 65% increase in patient treatments from Q4 to Q1.

I designed and deployed a CI/CD pipeline to replace manual deployments and introduced GitFlow strategies for staging and development. I also created secure API integrations aligned with cybersecurity and HIPAA standards.

Previously, I redeveloped a legacy billing application at Vanx Software Solutions into a NestJS and TypeScript microservices architecture, improving performance by 40%. At Nexxtway, I developed a messaging widget and clinic patient scheduler, and contributed to an AI phone assistant using OpenAI's API and Langchain.

Experience

Work history, roles, and key accomplishments

Sensus Healthcare logoSH
Current

Full Stack Software Engineer

Sensus Healthcare

Jul 2024 - Present (2 years 3 months)

Led implementation of API key authentication, rate limiting, and a custom challenge algorithm to secure machine integration, ensuring compliance with cybersecurity standards. Modernized the Sensus Cloud web platform to support a 65% increase in patient treatments and designed a CI/CD pipeline with GitFlow strategies.

VS

Software Engineer

Vanx Software Solutions

Sep 2023 - Apr 2024 (7 months)

Spearheaded redevelopment of a legacy billing application into a microservices architecture using NestJS and TypeScript, improving performance by 40% and scalability. Leveraged Kafka, RabbitMQ, BullMQ, MongoDB, and Redis to optimize payment processing, reducing processing time by 30%, and implemented ElasticSearch for faster data retrieval.

NE

Junior Full Stack Developer

Nexxtway

Sep 2022 - Jul 2023 (10 months)

Developed an integrable widget using Twilio SDK for messaging apps, resulting in a 20% increase in user engagement. Built a clinic patient scheduler using React, TypeScript, and Express.js, improving patient satisfaction by 25%, and contributed to an AI phone assistant using OpenAI's API and Langchain.

ST

Junior Full Stack Developer

Strictly

Aug 2020 - Sep 2022 (2 years 1 month)

Developed front-end features using Angular and TypeScript, and built scalable back-end services with NestJS and MongoDB. Deployed cloud-based solutions on GCP, improving scalability and reliability, and implemented automated testing with Cypress and Jest, reducing manual QA by 24%.

Education

Degrees, certifications, and relevant coursework

HI

HIPAA

HIPAA Certification, Healthcare Compliance

Completed HIPAA Certification in 2025.

Microsoft logoMI

Microsoft

Microsoft Certified Azure AI Engineer Associate, Azure AI

Earned the Microsoft Certified Azure AI Engineer Associate certification in 2024.

University of Guadalajara logoUG

University of Guadalajara

Bachelor's Degree, Computer Engineering

Pursued a Bachelor's Degree in Computer Engineering at the University of Guadalajara.

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