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PZ@prestonzen1
Senior Full Stack Engineer | AI Engineer
United StatesI am a Senior Full Stack Engineer with over 10 years of experience in full-stack development, AWS, and DevOps infrastructure design. My proficiency in Agile methodologies allows me to thrive in fast-paced, iterative environments while leading both frontend and backend development. I have a strong track record of fostering collaboration across cross-functional teams, ensuring that projects are delivered on time and meet high-quality standards.
Throughout my career, I have developed backend systems and microservices using a variety of programming languages and frameworks, including Python, Node.js, and PHP. I have successfully integrated third-party APIs and AWS services into applications, enhancing functionality and user engagement. My experience also includes mentoring junior developers and promoting best practices for cleaner, scalable code, which has contributed to improved team collaboration and project outcomes.
In my previous roles, I have led the development of full-stack web applications, optimized application performance, and implemented CI/CD pipelines. I am passionate about leveraging my skills in AI and machine learning to create innovative solutions that enhance user experiences and drive business success.
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Work history, roles, and key accomplishments
Kaizen Apps
Aug 2022 - Present (3 years 3 months)
Developed backend systems and microservices using Python, Node.js, and PHP. Designed user-friendly interfaces for web applications using JavaScript frameworks, integrated third-party APIs and AWS services, and implemented CI/CD pipelines while mentoring junior developers.
EXzi
Mar 2023 - Jan 2025 (1 year 10 months)
Developed and maintained backend systems and RESTful APIs using Node.js and Python. Led the implementation of Redux for state management in large-scale applications and enhanced application performance using Next.js.
EXzi
Aug 2022 - Feb 2023 (6 months)
Optimized data storage with Amazon DynamoDB and architected scalable AWS infrastructure using Fargate and ECS, improving access times and reducing costs while developing robust backend services.
Feb 2020 - May 2022 (2 years 3 months)
Deployed AI chatbot solutions for Fortune 100 companies, enhancing customer service and streamlining operations. Developed tailored chatbots and facilitated third-party integrations via Google Cloud APIs.
Emagined Security
Mar 2019 - Feb 2020 (11 months)
Built front-end applications using React.js and connected them to backend APIs. Led the migration of legacy codebases and focused on optimizing application performance.
Burwood Group
Aug 2016 - Mar 2019 (2 years 7 months)
Contributed to the development of web applications and microservices using the React ecosystem. Redesigned old projects to improve load times and conversion rates.
Degrees, certifications, and relevant coursework
CUMaster’s degree, Artificial Intelligence
Completed a Master's degree focusing on AI Business Applications, integrating advanced AI technologies with business strategies to drive innovation and efficiency.
CUBachelor’s degree, Computer Science
Earned a Bachelor's degree in Computer Science, covering fundamental concepts in programming, algorithms, and software development.
Software and tools used professionally
Google Tag Manager
Dialogflow
Amazon EC2
GitHub
GitLab
Kubernetes
Cloudflare
Jenkins
CircleCI
Gmail
Node.js
Django
Laravel
Next.js
.NET
Tailwind CSS
Google Analytics
OpenCV
Terraform
Jira
Mocha
React
Vue.js
React-Vue
JavaScript
Python
HTML5
Java
ES6
PHP
Kotlin
ASP.NET
Perl
RabbitMQ
FastAPI
Ubuntu
Debian
Linux
Heroku
Google Workspace
Elasticsearch
NGINX
Amazon Web Services (AWS)
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