personal Info
David Charles
frontend developer / full stack developer / MERN / openai
@freelancer
social Info
Languages
frontend
React
vue
skills
| HTML CSS JS jQuery React |
openai
Worked as a Frontend Engineer contributing to AI-driven dashboards using React and TypeScript. Collaborated with design and research teams to ensure seamless user experience across products. Optimized interfaces for performance, accessibility, and scalability.
2024 - Present
meta
openai
Joined OpenAI as a Technical Writer Intern, documenting APIs and AI model usage guides. Created developer-friendly tutorials and contributed to improving onboarding content. Worked cross-functionally with engineers and product managers
2016 - 2024
openai
Served as an AI Product Tester, evaluating GPT model outputs for accuracy and alignment. Provided detailed feedback to improve model safety and user interaction quality Helped train classification systems for content moderation.
2021-2016
apple
openai
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2021-2022
Massachusetts Institute of Technology (MIT)
Bachelor of Science in Computer Science and Engineering
Gained a strong foundation in software development, algorithms, and systems architecture. Participated in AI and machine learning research projects, and collaborated on open-source software initiatives.
2016 - 2020
Stanford University
Master of Science in Artificial Intelligence
Specialized in natural language processing and neural networks. Published papers on deep learning applications and completed internships with industry leaders focusing on AI-based solutions.
2020 - 2022
University of California, Berkeley
Professional Certification in Full Stack Web Development
Completed an intensive bootcamp covering HTML, CSS, JavaScript, React, Node.js, and MongoDB. Developed real-world applications with scalable frontend-backend architectures.
2022 - 2023
Harvard University
Online Course: CS50x - Introduction to Computer Science
Studied fundamental concepts of programming, data structures, security, and web development. Built interactive projects and gained hands-on coding experience in C, Python, and JavaScript.
2023
Coursera
AWS Certified Solutions Architect – Associate
Completed comprehensive training on designing and deploying scalable, fault-tolerant systems on AWS. Gained hands-on experience with EC2, S3, VPC, Lambda, and CloudFormation. Demonstrated proficiency in cost optimization, security best practices, and high-availability architectures.
Issued: March 2023
Udacity
Full Stack Web Developer Nanodegree
Mastered frontend and backend technologies including React, Node.js, Express, and PostgreSQL. Built and deployed real-world RESTful APIs, performed authentication/authorization flows, and optimized database schemas. Final capstone project: a live e-commerce application with payment integration and CI/CD pipelines.
Issued: August 2022
Google Cloud
Professional Data Engineer Certification
Validated expertise in designing and building data processing systems on Google Cloud Platform. Covered BigQuery, Dataflow, Pub/Sub, Dataproc, and Data Studio. Implemented end-to-end data pipelines, ensuring data integrity, security, and cost efficiency.
Issued: November 2023
Microsoft Learn
Microsoft Certified: Azure Developer Associate
Demonstrated ability to develop, test, and maintain cloud applications and services on Microsoft Azure. Hands-on labs included Azure Functions, Cosmos DB, Logic Apps, and AKS. Implemented secure DevOps practices and automated deployment pipelines with Azure DevOps.
Issued: January 2024
Hackathon
Winner – “AI for Social Good” National Hackathon
Led a 4-member team to build a React-based dashboard integrating TensorFlow models for real-time environmental data analysis. Implemented RESTful APIs with Node.js and deployed on AWS Elastic Beanstalk. Secured 1st place among 50+ teams for innovation and scalable architecture.
June 2023
Open Source Contribution
Core Contributor – React-Admin Library
Contributed features and bug fixes to the React-Admin open-source project on GitHub. Focus areas: improving data grid performance, adding custom filter components, and enhancing accessibility (WCAG 2.1 compliance). Reviewed pull requests, wrote unit tests, and authored documentation for new modules.
Ongoing since April 2022
IEEE Student Chapter
Vice President – Technical Events
Organized workshops and seminars on topics such as Kubernetes, Docker, and DevSecOps. Coordinated guest lectures by industry experts and led a team of 10 volunteers to host coding competitions. Increased chapter membership by 40% through campus outreach and hands-on hack sessions.
2021 – 2023