Keen Francis
AI Full Stack Engineer
I build accessible, pixel-perfect digital experiences for the web. Specializing in AI-powered applications, scalable architectures, and modern frontend development.
I'm a developer passionate about crafting accessible, pixel-perfect user interfaces that blend thoughtful design with robust engineering.
My favorite work lies at the intersection of design and development, creating experiences that not only look great but are meticulously built for performance and usability.
Currently, I'm a Senior Full-Stack & AI Engineer with 10+ years of experience designing and delivering scalable, high-performance web applications and AI-powered features. Extensive hands-on work across backend, frontend, data, and cloud.
I focus on clean architecture, reliability, and maintainability. Experienced in translating complex business requirements into technical solutions, collaborating closely with cross-functional teams in Agile environments.
AI Full Stack Engineer · Preamble
Remote
- Developed end to end AI powered applications with TypeScript/JavaScript (React, Next.js, Node.js) and Python (Flask, FastAPI), focusing on modular, maintainable architectures.
- Implemented API layers and data pipelines to support AI workflows, ensuring reliability, observability, and security.
- Optimized backend systems on AWS (EC2, S3, Lambda, SageMaker) by implementing caching strategies and compute resource tuning, enhancing performance and reducing load times by 30%.
- Embedded OpenAI GPT models into core product features, delivering conversational AI, semantic search, and sentiment analysis capabilities.
- Worked with DevOps engineers to standardize Docker images and Kubernetes configurations, enabling reproducible, horizontally scalable deployments.
- Implemented A/B testing frameworks and monitored model performance with metrics and logs, iterating on prompt engineering and fine-tuning strategies to improve model outcomes by 20%.
- Provided technical leadership through mentoring, pair programming, and structured code reviews, ensuring best practices and coding standards.
Full Stack Developer · Helcim
Calgary
- Developed frontend web app with a modular, component based architecture using React, Vue, AngularJS with TypeScript.
- Implemented async workflows and data handling in React and Vue, enhancing the UI with Tailwind CSS and GSAP.
- Designed and developed GraphQL APIs to enable reliable, schema-driven data exchange between distributed systems using JSON.
- Improved app performance and UX by delivering responsive UIs and orchestrating deployments using AWS CDK.
- Converted complex business requirements into clear technical specifications and interactive UI designs using React, Vue and Node.js.
- Performed systematic testing and debugging to find and fix defects, while providing technical guidance and leadership to the team.
- Used Jenkins to set up and manage CI pipelines, and tracked issues, defects, and progress using JIRA.
- Authored and configured Dockerfiles to containerize microservices and used Kubernetes for CD.
Backend Developer · Cadeon
Calgary
- Developed a real-time chat app using Node.js and Socket.io for instant, bidirectional communication.
- Implemented interactive web pages and features using JavaScript and jQuery to enhance user engagement and client-side responsiveness.
- Built responsive, cross browser frontend interfaces using HTML, CSS, SASS, JSP, and JavaScript.
- Designed interactive prototypes, wireframes, and visual standards using W3.
- Collaborated with business stakeholders to gather and refine requirements, ensuring the application aligned with evolving business needs.
- Participated in code reviews, debugging, and performance tuning, contributing to higher code quality and maintainable frontend architecture.
- Supported application enhancements and feature updates based on user feedback and business priorities.
Frontend Developer · Arcurve
Calgary
- Developed SPA with React Router to enable seamless client-side navigation and improved user experience.
- Implemented modular, component based architectures using React as the view layer.
- Designed and maintained reusable UI components, managing application state with Redux and the Context API.
- Created a formatter wrapper API with Moment.js to standardize date, time, and number formatting across the application.
- Used Webpack for module bundling and Babel for transpiling modern JavaScript and React code for browser compatibility.
- Built the frontend and user interfaces for the AR/VR Works application using ES6, React, and Redux.
- Collaborated with designers and backend engineers to integrate UI components with APIs, ensuring smooth data flow and responsive interfaces.
- Followed frontend best practices including clean code, performance optimization, and accessibility standards.
Bachelor of Science
University of Calgary
Computer Science
Calgary, AB
Languages
Frontend
Backend
Databases
Cloud & DevOps
AI/ML
— Services
Project Catalog
Strategic consulting packages designed to accelerate your AI and integration initiatives with proven methodologies.
Integration Architecture Audit
Multi-System Strategy & Roadmap
AI Agent System Design
Multi-Agent Architecture & Orchestration
LLM Integration Blueprint
ChatGPT, Claude, Gemini API Strategy
MCP Integration Plan
Model Context Protocol for Enterprise AI
Automation Audit
Identify & Prioritize Process Automation Wins
ClickUp Workspace Audit
AI-Powered Analysis & Optimization Plan
CRM Selection Consulting
Find the Right CRM & Migration Plan
AI Automation Strategy
Custom Roadmap, ROI Model & Tech Stack
Voice AI Strategy
Transform Phone Operations with AI Agents
Vapi Tark AI Voice
AI Calls That Sound Human, Work Like Magic
Vapi AI Consultation
Transforming Phone Operations with Human-Like AI
Let's work together
If you would like to discuss a project or just say hi, I'm always down to chat.