Agentic AI Full-Stack Developer
Resume:
Patrick Deng
Sugar Land, TX
**************@*****.***
linkedin.com/in/patrick-deng-983935105
Full-stack Developer
Agentic AI & Generative AI Solutions
SUMMARY
Full Stack Developer with 11+ years of experience designing, developing, and deploying enterprise software solutions across web, cloud, and AI-powered platforms. Proven expertise building scalable applications using Java, Spring Boot, C#, ASP.NET Core, React, Angular, JavaScript, TypeScript, SQL Server, Azure, and AWS. Experienced integrating Generative AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Agentic AI, Vector Databases, Semantic Search, and intelligent automation capabilities into enterprise applications. Strong background delivering business-critical software solutions for the oil and gas industry while leading application modernization, cloud adoption, and AI transformation initiatives.
PROFESSIONAL EXPERIENCE
Oxy (Occidental Petroleum) Houston, Texas Area
AI Full Stack Developer Agentic AI & Generative AI Solutions
Jan 2023 – Jun 2026
Technologies: Java, Spring Boot, Python, C#, ASP.NET Core, React, Angular, TypeScript, SQL Server, OpenAI GPT, Claude, Gemini, LangChain, LangGraph, LlamaIndex, Agentic AI, RAG, Vector Databases, Semantic Search, Azure, Docker, Kubernetes, Azure DevOps, Git
●Led the development of AI-powered enterprise applications supporting oil and gas operations, production engineering, drilling activities, asset management, maintenance planning, and business process automation.
●Design and implement Generative AI, LLMs, and Agentic AI solutions using OpenAI GPT, Claude, Gemini, LangChain, LangGraph, and LlamaIndex.
●Build enterprise-scale Retrieval-Augmented Generation (RAG) platforms integrating engineering documentation, production reports, operating procedures, field manuals, and technical knowledge repositories.
●Develop intelligent AI assistants enabling engineers and business users to interact with enterprise systems through natural language interfaces.
●Create autonomous AI agents capable of workflow orchestration, task automation, document understanding, information retrieval, and decision-support recommendations.
●Integrate AI capabilities into enterprise applications built with React, Angular, Java Spring Boot, ASP.NET Core, and microservice architectures.
●Design and develop scalable backend APIs and AI orchestration services using Python, Java, Spring Boot, C#, and ASP.NET Core.
●Implement Vector Databases, Embeddings, Semantic Search, and contextual retrieval frameworks to improve enterprise knowledge discovery.
●Build document processing and information extraction pipelines capable of analyzing large volumes of structured and unstructured operational data.
●Develop cloud-native AI services deployed on Microsoft Azure utilizing Docker, Kubernetes, and CI/CD automation pipelines.
●Integrate AI workflows with production management systems, reporting platforms, asset management applications, and operational databases.
●Implement AI monitoring, evaluation frameworks, governance controls, prompt management, and deployment standards for enterprise AI systems.
●Collaborate with production engineers, operations teams, business stakeholders, architects, and leadership teams to identify high-impact AI opportunities.
●Conduct technical architecture reviews and establish best practices for AI-enabled enterprise application development.
●Mentor developers on software engineering practices, AI integration strategies, cloud-native architectures, and enterprise application design.
●Participate in strategic initiatives focused on digital transformation, intelligent automation, and AI adoption across the organization.
Full Stack Developer
Jan 2019 – Dec 2022
Technologies: Java, Spring Boot, C#, ASP.NET Core, .NET Framework, React, Angular, JavaScript, TypeScript, SQL Server, REST APIs, Microservices, Azure, Azure DevOps, Git
●Designed and developed enterprise software solutions supporting oil and gas production operations, asset lifecycle management, regulatory compliance, operational reporting, and workflow automation.
●Built large-scale web applications using Java, Spring Boot, C#, ASP.NET Core, .NET Framework, React, Angular, JavaScript, and TypeScript.
●Developed enterprise-grade backend services, REST APIs, and Microservices supporting mission-critical operational systems.
●Created responsive user interfaces and dashboards using React, Angular, HTML5, CSS3, and modern frontend frameworks.
●Designed and optimized relational database solutions using Microsoft SQL Server, including schema design, indexing strategies, stored procedures, and performance tuning.
●Developed operational reporting platforms and analytics dashboards utilized by engineering, operations, and management teams.
●Integrated enterprise applications with internal systems, vendor platforms, and external business services using API-driven architectures.
●Participated in application modernization initiatives involving migration from legacy systems to scalable web-based platforms.
●Built reusable frontend and backend components to accelerate development and improve maintainability across multiple projects.
●Collaborated with business analysts and stakeholders to gather requirements and translate business needs into technical solutions.
●Implemented Azure DevOps, Git, automated testing frameworks, and CI/CD pipelines to improve software quality and deployment efficiency.
●Participated in cloud migration efforts leveraging Microsoft Azure infrastructure and services.
●Performed application troubleshooting, debugging, root-cause analysis, and production support activities.
●Conducted code reviews and contributed to software engineering standards, development guidelines, and architectural best practices.
●Worked within Agile development teams to deliver projects on schedule while maintaining high-quality engineering standards.
The University of Texas at Dallas Richardson, Texas
Software Engineer Computer Science Mentor
Aug 2015 – Nov 2018
Technologies: Java, C, C++, UNIX, Linux, Data Structures, Algorithms, Object-Oriented Programming
●Mentored undergraduate students in Java, C, C++, UNIX, Data Structures, Algorithms, and Discrete Mathematics.
●Assisted students with object-oriented programming concepts, software engineering principles, algorithm design, and debugging methodologies.
●Guided students through coursework involving Java application development, data structures, recursion, and algorithm implementation.
●Conducted review sessions covering sorting algorithms, computational complexity, memory management, and software design patterns.
●Supported students in understanding operating systems concepts and UNIX-based development environments.
●Assisted faculty members with grading programming assignments, projects, examinations, and coursework assessments.
●Evaluated source code submissions and provided constructive feedback regarding performance, maintainability, and coding standards.
●Helped students improve analytical thinking, technical communication, and software development best practices.
●Led classroom workshops and review sessions preparing students for midterm and final examinations.
●Assisted students in debugging complex programming assignments and identifying logic-related issues.
●Promoted collaborative learning environments that improved student engagement and academic performance.
●Strengthened students' understanding of computer science fundamentals and real-world software engineering concepts.
Third Corner, LLC Plano, Texas
Software & Web Development Intern
Apr 2016 – Sep 2016
Technologies: Angular, JavaScript, HTML5, CSS3, C#, ASP.NET MVC, .NET Framework, Microsoft SQL Server, Breeze.js, REST APIs, PowerShell
●Participated in full software development lifecycle activities including requirements gathering, system design, development, testing, deployment, and client support.
●Collaborated with project teams to develop enterprise software solutions for clients across multiple industries, including oil and gas organizations.
●Developed responsive and mobile-compatible web applications using Angular, JavaScript, HTML5, and CSS3.
●Built backend business logic and data-access functionality using C#, ASP.NET MVC, and .NET Framework technologies.
●Developed and maintained database-driven applications using Microsoft SQL Server, SQL queries, views, and stored procedures.
●Integrated Breeze.js, REST services, and backend APIs to support efficient client-server communication and data management.
●Participated in application architecture discussions, design reviews, and implementation planning activities.
●Assisted in developing reusable software components and frontend modules that improved development efficiency.
●Developed PowerShell scripts supporting deployment automation, configuration management, and environment setup.
●Performed application testing, debugging, issue resolution, and software quality assurance activities.
●Worked closely with senior developers to troubleshoot performance bottlenecks and optimize application responsiveness.
●Collaborated directly with stakeholders to understand business requirements and deliver customized software solutions.
●Supported production deployments and post-release maintenance activities for enterprise applications.
EDUCATION
Bachelor of Science in Computer Science
The University of Texas at Dallas 2014 – 2018
SELECTED PROJECTS
Enterprise AI Knowledge Assistant
Built an enterprise AI assistant leveraging OpenAI GPT, LangGraph, RAG, Vector Databases, and internal knowledge repositories.
Enabled engineers and business users to access operational procedures, engineering documentation, and technical knowledge through natural language interactions.
Oil & Gas Operations Copilot
Developed AI-powered copilots assisting production engineers with operational analysis, report summarization, troubleshooting recommendations, and workflow automation.
Integrated enterprise systems through APIs, agentic workflows, semantic search, and intelligent retrieval architectures.
Improved operational decision-making by providing contextual insights from enterprise knowledge sources.
Production Management Platform
Designed and developed enterprise applications supporting production monitoring, asset management, reporting, operational analytics, and business process automation.
Implemented React and Angular frontends with Java Spring Boot and ASP.NET Core backend services.
Delivered scalable solutions supporting mission-critical oil and gas operational workflows.
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