Full-Stack Engineer Node Js

Theryshan Cooke Full-Stack Engineer with * years

**********@*****.*** 305-***-**** /in/theryshan Fort Lauderdale, FL Expertised in Java, AI, Node.js, React, Angular, and AWS, with experience in real-time data, microservices, and DevOps. Skilled in AI-driven, cloud-native applications across healthcare, logistics, and enterprise platforms.

PROFESSIONAL EXPERIENCE

Full-Stack Engineer Hybrid, Contract

FloEver Health

12/2023 – 12/2024 12 months

Overview: Built a HIPAA-compliant telemedicine platform to improve women’s healthcare accessibility through real-time video consultations and AI-driven health insights.

•Built Telemedicine Platform: Developed a HIPAA-compliant telemedicine platform using React.js, Node.js, and WebRTC, enabling secure real-time video consultations.

•AI Integration: Integrated pre-trained machine learning models and custom algorithms to provide AI- driven health insights, improving early detection acc up to 86% and increasing patient adherence to personalized treatment plans by over 40%.

•Data Visualization: Developed interactive dashboards (D3.js) for tracking patient data, improving data accessibility by 40% and enhancing clinical decision-making.

•Security & Compliance: Strengthened HIPAA-compliant authentication with OAuth2 and JWT, reducing unauthorized access by 30%.

•DevOps Practices: Implemented CI/CD pipelines using Docker and Jenkins, automating deployment and testing for reliable releases and reduced downtime.

•Collaborated Across Teams: Worked closely with medical professionals and data scientists to refine AI-driven diagnostics and mentored a junior developer in API security and cloud deployment. Tech Stack: React.js, Node.js, WebRTC, PostgreSQL, Python, AI APIs, TensorFlow, AWS AI/ML Engineer Remote, Contract

Viam

07/2023 – 02/2024 8 months

Overview: Improved the accuracy and reliability of an LLM-based chatbot by fine-tuning a GPT-2 model, enhancing response coherence and reducing hallucinations for enterprise clients.

•LLM Fine-Tuning: Fine-tuned GPT-2 on domain-specific datasets, resulting in a 23.3% improvement in model accuracy (measured using BLEU and ROUGE scores).

•Model Optimization: Applied Reinforcement Learning with Human Feedback (RLHF) to enhance the contextual understanding and response quality, reducing incorrect responses by 38%.

•Embedding Integration: Integrated domain-specific embedding models (with FAISS) for better semantic understanding, improving chatbot accuracy in complex queries.

•Cost Optimization: Reduced API token usage by 24% through model optimization, lowering operational costs by refining prompt engineering, caching repetitive responses, and employing efficient token management strategies.

•Client Retention: Improved chatbot reliability led to nearly 25% increase in client retention, securing long-term contracts with key clients. (checked using business KPIs) Tech Stack: Python, GPT-2, Hugging Face Transformers, RLHF, OpenAI API, PyTorch, FAISS, Docker Java Full-Stack Developer

Onward Delivery

05/2020 – 06/2023 3 years 2 months

Overview: Developed a Real-time Supply Chain Optimization Platform that enhanced shipment tracking, utilized AI for demand forecasting, and automated data streaming for improved efficiency.

•Dashboard Development: Built Angular-based dashboards, improving real-time shipment tracking and reducing supply chain disruptions by 35%.

•Microservices & API Optimization: Developed Java Spring Boot & Kafka microservices, reducing API response times and improving backend performance.

•Real-Time Data Processing: Integrated WebSockets and AWS Kinesis, reducing latency and ensuring immediate shipment updates.

•Database Performance: Optimized PostgreSQL queries, integrated Oracle databases for enhanced performance, and improved caching mechanisms, supporting over 10 million transactions per day.

•Leadership & Mentorship: Trained and mentored two junior developers in API design, cloud deployment, Oracle database management, and real-time data streaming. Tech Stack: Angular, Java, Spring Boot, Apache Kafka, AWS, WebSockets, GraphQL, PostgreSQL, Oracle, Kurbernetes

Software Engineer

Atomic Object

06/2017 – 02/2020 2 years 8 months

Overview: Developed several platforms and applications such as CMS platform, Employee Management System (EMS), eCommerce applications.

•Built E-Commerce Systems: Developed scalable platforms serving millions of users with Node.js, Express.js, and robust REST APIs.

•Built secure EMS platforms: Automated payroll, employee performance tracking, and HR data management with AI-driven analytics and user-friendly dashboards with Java, Spring Boot and MongoDB.

•Developed custom CMS solutions: Enabled content creation, role-based access control, and multi- user collaboration with React, Node.js, and PostgreSQL.

•AI-Powered Predictive Analytics for E-Commerce: Built AI models to predict customer behavior in e- commerce, creating data pipelines and a real-time API that boosted sales conversions.

•Client Collaboration: Worked directly with clients and business stakeholders to translate technical requirements into functional solutions, ensuring 100% on-time project delivery. Tech Stack: Java, Spring Boot, Python, TensorFlow, Scikit-learn, Node.js, Express.js, DynamoDB, MySQL, MongoDB, PostgreSQL, GitHub

SKILLS

Frontend

React.js, Angular, Vue.js, Next.js, D3.js, Bootstrap, Tailwind CSS, SCSS, HTML5, CSS3, JavaScript

(ES6+), TypeScript, Redux Toolkit

Backend

Node.js, Express.js, Java, Spring Boot, Kafka

Cloud & DevOps

AWS (EC2, S3, Lambda, CloudWatch, RDS), Google

Cloud, Oracle Cloud, Docker, Kubernetes, Jenkins

Project Management & Methodologies

Scrum, Kanban, Jira, Trello, Stakeholder

Relations, Strategic Planning & Execution,

Automated testing, Business objectives

AI/ML

Tensorflow, PyTorch, Scikit-learn, LLM (GPT-2,

BERT), OpenAI API, Random Forests, SVM,

XGBoost, GBM, Embedding Systems, RLHF, DQN,

GANs, transformers

Databases

MySQL, MongoDB, PostgreSQL, DynamoDB,

Oracle, Firebase, Redis, GraphQL database,

Soft Skills

Remote Collaboration, Cross-Functional

Teamwork, Excellent Communication Skill,

Technical Leadership, Code Optimization,

Debugging, Agile Development, Problem-Solving,

UI/UX Collaboration

EDUCATION

Bachelor of Science in Computer Science

Nova Southeastern University

09/2013 – 05/2017 Fort Lauderdale, FL

CERTIFICATES

AWS Certified Developer – Associate PyTorch Developer Certification JavaScript Algorithms and Data Structures (freeCodeCamp) React.js Certification (freeCodeCamp)

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