# Carl Edward Lyons (@carledwardlyons.ca)

Profile: https://sifa.id/p/carledwardlyons.ca
Headline: Web Developer, Software Architect, & Data Scientist.
Location: Canada

## About

Software developer and data scientist with a versatile skillset that spans systems design, applied mathematics, and statistics. Passionate about building innovative applications and solving complex problems with data-driven solutions. Dedicated to pushing the boundaries of technology in order to drive positive change.

Currently researching bat echolocation as part of a M.Sc. thesis. I am continually searching for new problems to apply my expertise in computer science, physics, statistics, and applied mathematics.

## Experience

- **Senior Full Stack Developer at Rohirrim** (2025 – 2026)
  • Architected and delivered core features for processing large-scale structured and unstructured datasets, enabling real-time analytics and insights delivery
  • Redesigned agentic workflow graphs to optimize LLM orchestration, reducing reasoning and response-generation costs by up to 90%
  • Led migration from prompt-embedded context injection to MCP-based tooling and contextual workflows, resolving systemic, mission-critical scalability constraints
- **Co-Founder, Chief Technology Officer at Batched** (2023 – 2025)
  • Delivered 100+ releases of distributed application architecture without service interruption using progressive delivery, reverse‑compatible state, and zero‑downtime blue–green deployment strategies
  • Architected custom headless content management, commerce, customer relations, and logistics services; leveraged runtime dependency injection to enable dynamic third‑party provider integrations
  • Spearheaded design and implementation of a multi‑tenant, white‑label, SaaS platform for small–medium food and beverage business operations, leading 3 teams of 3–6 developers
- **Principal Software Developer at MRKTBOX INC.** (2020 – 2023)
  • Modernized legacy PHP grocery e‑commerce application to a Progressive Web App (PWA) with a decoupled React single‑page front end and Python RESTful API back end, improving performance and accessibility; designed and implemented innovative subscription features
  • Supervised Mohawk College co‑op students and Humber College graduate capstone projects
  • Consolidated 750+ customer accounts and 5k+ product listings via supervised probabilistic data matching to reconcile sales records and improve search engine optimization (SEO), respectively
- **Field Technician at nVent Thermal Management** (2016 – 2018)
  • Performed quality assurance testing and troubleshooting of commercial-industrial system controllers and high-temperature power conductors.
  • Mediated complex technical and operational concerns between engineers and contractors to ensure successful project delivery.
  • Oversaw department customer relationship management database implementation; structured, consolidated 900+ active cases; created standard work, instructed coworkers on use of database web portal.
  • Maintained a 0% failure rate on all serviced equipment.
- **Sales Manager at South River Brewing Co.** (2012 – 2012)
  • Piloted sales and marketing of products to distributors and retailers across Ontario, increasing product availability and brand awareness.
  • Organized promotional events to engage customers, collecting and relaying consumer feedback.
  • Acquired orders from 50+ new retailers across Southern Ontario.

## Education

- **McMaster University** — Master of Science - MS (2020 – present)
- **University of Waterloo** — Bachelor of Science (BSc) (2012 – 2014)
- **University of Toronto** — Bachelor of Science (BSc) (2009 – 2011)

## Skills

- Full-Stack Development
- DevOps
- Automated Software Testing
- Project Management
- Product Management
- Product Development
- System Architecture
- Quality Assurance
- Troubleshooting
- Data Analysis
- Computational Physics
- Software as a Service (SaaS)
- Application Programming Interfaces (API)
- Representational State Transfer (REST)
- Object-Oriented Programming (OOP)
- Retrieval-Augmented Generation (RAG)
- Optical Character Recognition (OCR)
- Agentic Workflows
- Node.js
- FastAPI
- Django
- React.js
- AngularJS
- NestJS
- ASP.NET
- Xamarin
- RxJS
- LangChain
- Jest
- MSTest
- NUnit
- Python (Programming Language)
- C#
- C++
- HTML
- TypeScript
- JavaScript
- Cascading Style Sheets (CSS)
- SQL
- XAML
- Matlab
- Linux
- Figma (Software)
- Time Management
- Outside Sales
- Sales Management
- Promotional Marketing
- Customer Relationship Management (CRM)
- Customer Loyalty
- Inventory Management
- Procurement
- Field Support
- Technical Support
- Control Systems Design
- Nondestructive Testing (NDT)
- Industrial Control
- Oxy-Fuel Soldering
- Lock Out Tag Out
- Customer Service
- Salesforce Lightning
- Logistics Management
- AT Protocol

## Certifications

- Propane Dispensing — Canadian Propane Association
- Chainsaw Safety — I-CAB Foundation
- Fist Aid — PerriMed First Aid & CPR Training
- Working at Heights — Redhead Health and Safety
- WHIMIS — Canadian Centre for Occupational Health and Safety

## Volunteering

- Member at Large at University College Literary & Athletic Society
- Volunteer at Stewards of Cootes Watershed

## Languages

- English

## Other profiles

- id.sifa.defs#platformLinkedin: https://www.linkedin.com/in/celyons
- website: https://carledwardlyons.ca