Available to hire
I’m Kelvin Smith, a senior software engineer focused on full-stack development and AI systems design. I build reliable, scalable architectures and event-driven platforms that process data-rich, AI-native workloads.
I thrive at engineering production-grade systems, orchestrating multiple AI models, designing robust data pipelines, and enabling data-driven decision making through well-structured workflows and resilient retry mechanisms.
Skills
Language
English
Fluent
Work Experience
Senior Fullstack Engineer at Stramik
March 1, 2022 - January 1, 2026Developed a dynamic and responsive UI for the AI chatbot using React.js, integrated Redux for global state management, built reusable components for chat windows, input fields, and message displays, leveraged React Hooks for state and side effects, and implemented lazy loading/code-splitting to improve load times during peak traffic.
Senior React Developer at The 66th
December 1, 2019 - February 1, 2022Led the development of a Next.js-based platform for real-time cardiac signal analysis, optimized page load times by reducing JavaScript payloads and unnecessary re-renders, implemented dynamic routing and API routes with REST APIs, integrated MySQL with efficient queries and indexing, and enhanced UI with Tailwind CSS and Framer Motion; deployed on Vercel.
React Developer at Tallium
November 1, 2017 - November 1, 2019Developed a real-time payment processing dashboard using React.js and Recoil for state management, built interactive charts with D3.js and Victory, integrated Socket.IO for live transaction streams, applied performance improvements with react-window and memoization, and established automated testing and CI pipelines (Ava, Enzyme, Travis CI).
UI/UX Angular Developer at Kipsu
June 1, 2014 - June 1, 2017Led the development of a customer analytics and reporting portal using Angular 9 and RxJS, designed dynamic dashboards with NGX-Charts and Angular Material, integrated RESTful APIs and WebSockets for live data and notifications, and improved performance with lazy loading, OnPush change detection, and virtual scrolling; established automated testing with Karma and Protractor and Jenkins CI pipelines.
Senior Software Engineer (AI) at LaunchDarkly
January 1, 2022 - January 1, 2026Led the design and architecture of a production-ready serverless, event-driven platform that processes real-time data, ensuring system reliability and high scalability. Built AI systems leveraging orchestration frameworks like Mastra to integrate multiple AI models, enabling seamless task routing between generation, classification, and structured reasoning models. Engineered data pipelines to process webhooks, CRM data, and other event-driven signals, transforming raw input into structured insights for actionable decision-making. Developed and scaled retrieval systems that combined proprietary knowledge bases with context-aware AI generation, optimizing the recommendation engine’s accuracy. Applied a reliability-first mindset, ensuring high uptime and low latency through robust failure isolation, durable queues, and retry mechanisms.
Senior AI/ML Engineer at The 66th
June 1, 2018 - December 1, 2021Created machine learning models for real-time cardiac signal analysis, focused on identifying arrhythmogenic tissue, using TensorFlow and PyTorch for model development, alongside scikit-learn for data preprocessing. Built predictive algorithms to detect irregular heart rhythms, applying Keras for deep learning model construction and XGBoost to improve classification accuracy. Developed a complete signal processing pipeline, integrating MATLAB for feature extraction and optimizing real-time inference to meet clinical demands. Designed interactive dashboards for cardiac mapping and predictive model outputs, using Plotly and Dash to provide doctors with actionable, real-time insights. Deployed machine learning models to cloud-based environments, leveraging AWS SageMaker for scalable deployment and Docker for consistent execution across clinical settings.
Senior Software Engineer (AI) at Forest Admin
June 1, 2016 - April 1, 2018Engineered real-time data collection for machine health monitoring using IoT sensors, incorporating AWS IoT Core for data streaming and storage. Developed an anomaly detection system with scikit-learn’s Isolation Forest, identifying outliers to trigger early warnings for maintenance needs. Built a predictive maintenance engine using XGBoost and LightGBM, enriched by TensorFlow for failure forecasting. Designed a maintenance scheduling tool for optimized repair timelines, utilizing Apache Airflow and Optuna for hyperparameter tuning. Conducted root cause analysis using Pandas, NumPy, and SHAP, pinpointing failure causes and enhancing diagnostics.
Software Developer at Knack
April 1, 2013 - March 1, 2016Developed real-time medical image analysis for X-rays and CT scans, employing Convolutional Neural Networks (CNNs) with TensorFlow and Keras to detect abnormalities such as tumors and fractures with precision. Implemented anomaly detection to uncover rare patterns in medical imaging, using Isolation Forest from scikit-learn to identify outliers and assist in early diagnoses. Combined multi-modal data, merging medical images with patient records, utilizing PyTorch for deep learning models and Pandas for data manipulation to refine diagnostic predictions. Created an explainability module to enhance transparency in AI-based diagnoses, using SHAP and LIME to ensure clinicians could easily interpret model predictions. Deployed machine learning models to cloud-based environments, leveraging AWS SageMaker for scalable deployment and Docker for consistent execution across clinical settings.
Education
Master's degree in Computer and Information Sciences, General at Southern Arkansas University
January 11, 2030 - December 20, 2013Master's degree at Southern Arkansas University
January 11, 2030 - December 1, 2013Master's Degree in Computer Science at University of British Columbia
January 11, 2030 - July 1, 2012Qualifications
Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Retail
Skills
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