Machine Learning User Experience

German Miranda

****************@*****.*** +1-409-***-****

Dallas, TX 75252

SUMMARY

Proven leader in developing scalable, full-stack applications, notably enhancing user experience, and operational efficiency at IT Global Services. Expert in React, React Native, .NET, and AI integration, I excel in fostering innovation and collaboration. Achieved a 70% increase in customer satisfaction through a pioneering restaurant ordering system. Demonstrates strong mentorship and problem-solving skills.

EXPERTISE

Programming languages

JavaScript, TypeScript

Python

Java

Kotlin

C#

PHP

Frontend frameworks and libraries

React.js

React Native

Redux

Next.js

Angular

RxJs

Tailwind CSS

Material UI

HTML

CSS

Backend frameworks and libraries

Node.js

NestJS

Express

Java Spring Boot

Spring Framework

GraphQL

Flask

Django

Databases

MongoDB

AWS DynamoDB

MySQL

MS SQL

PostgreSQL

DevOps and Deployment Tools

Docker

Kubernetes

StackStorm

Amazon SQS

Azure CI/CD

Development methodology:

Scrum

AI and machine learning

TensorFlow

PyTorch

ChainLit

EXPERIENCE

Senior Full Stack Engineer

IT GLOBAL SERVICES Lewes, Delaware Feb 2021-Current Led the frontend development process, designing and implementing React (Next.js) and Angular components, with efficient state management using Redux Toolkit and Context API. Developed responsive and dynamic user interfaces, ensuring a seamless user experience, and cross-platform compatibility.

Built reusable UI components and optimized application performance for scalable enterprise solutions.

Developed RESTful APIs and microservices using .NET Core / .NET 7+ for robust, high-performance backend systems.

Integrated AI-driven functionalities using Python and .NET, incorporating machine learning models with TensorFlow, PyTorch, and the OpenAI API for automation and analytics. Built intelligent chatbots with LLMs (GPT, Claude, Mistral), LangChain, and Azure AI, enabling NLP-powered conversational assistants for enterprise applications. Engineered real-time processing solutions with SignalR and Redis for highly interactive user experiences.

Designed and built scalable full-stack applications with .NET Core (C#) on the backend, and React/Angular on the frontend.

Integrated MS SQL Server and MongoDB, optimizing database performance for large-scale applications.

Implemented secure authentication and authorization mechanisms using JWT, OAuth, and Identity Server.

Developed enterprise-grade applications in the finance, healthcare, and AI-driven analytics industries.

Strengthened application security with input validation, data sanitization, OWASP best practices, and AI-powered fraud detection.

Optimized backend performance by refactoring APIs, implementing asynchronous programming, caching mechanisms (Redis), and database indexing. Developed AI-driven anomaly detection systems for predictive security analysis. Led a team of developers, providing mentorship, conducting code reviews, and resolving .NET and AI integration challenges.

Fostered a collaborative and innovation-driven development environment focused on cutting-edge AI applications.

Deployed scalable applications on Azure Cloud and AWS, managing infrastructure with Docker, Kubernetes, and Azure DevOps CI/CD pipelines.

Fullstack Developer

Grape UP Santa Clara, CA Feb 2017-Jan 2021

Developed an automatic restaurant ordering system, meticulously designing the MySQL database, and employing Node.js and Nest.js for backend development, resulting in a 70% increase in guest satisfaction.

Strategically integrated backend systems with table-installed order buttons, ensuring real-time synchronization, and achieving a seamless dining experience for customers, which led to a 15% decrease in order turnaround time in the financial industry. Designed and implemented automation workflows using StackStorm, streamlining IT operations, and improving system efficiency through event-driven orchestration and integration with diverse tools and platforms.

Developed an Android app tailored for smartwatches using the Java Spring framework and Kotlin, empowering restaurant waiters with efficient order management capabilities, contributing to a 25% increase in order accuracy.

Utilized React (Redux) to craft a user-friendly front-end interface, providing restaurant managers with intuitive controls for overseeing operations, ultimately leading to a 30% improvement in overall managerial efficiency.

Used AWS RDS database instance (MySQL or PostgreSQL) to store product information, orders, and user data; also used AWS S3 bucket for microservices. Created an efficient API-based email system, reducing data dissemination time by 30%, and enhancing decision-making and communication.

Web Developer

TransData Austin, TX Feb 2014-Jan 2017

Rapidly developed prototypes from conceptual demonstrations are totally based on IoT, smart cities, and smart agriculture.

Proficiently built website that adheres to Web 2.0 industry standards using HTML5, CSS3, ECMAScript, SASS, JavaScript, Backbone, and AngularJS. Performed best practices in implementing AngularJS (1.x, 2.0, 4.0) modules, and creating free-standing, reusable, and testable components.

I exclusively used Node.js for building fast and scalable network applications, and Express.js as the standard server framework for Node.js.

I adopted NPM, Gulp, and Grunt as task managers, and performed database and API caching layers, proxies, and other web services used in the process. Worked closely with the Backend Team to ensure smooth deployments by configuring different builds and test scripts for the CI-CD process laid out. Developed complex stored procedures using temporary tables and loops, using SQL and PL/SQL.

Used Google Analytics to capture user metrics to improve the customer experience with digital analytics.

EDUCATION

Bachelor of Science: Computer Science

Texas Christian University Fort Worth, TX 2013

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