Loading Experience
Composing an interface worth the wait...
Software Engineer in Toronto
Hi, I'm Joel Sajicrafting products that feel world-class.
I partner with founders and teams to design and build performant web products with clear UX, strong systems thinking, and polished interactions.
Years Building
5+
Product + engineering
Projects Shipped
20+
Across SaaS and platforms
Base
Toronto
Working globally
Location
Toronto
I work from Toronto and collaborate with teams globally, blending product design thinking with modern engineering execution.
Selected Work
Featured Projects
Products and platforms designed for clarity, speed, and long-term maintainability.
What I optimize for
- Interface quality that makes products feel premium and intuitive.
- Technical architecture that supports scale from day one.
- Fast execution with clear communication and product ownership.
Waveform Apps
A consultancy service specializing in building custom AI-powered web applications, focusing on speed, seamless integration, and expert guidance.
ReactTypeScriptTailwind CSS+2
Church Grid
A web application designed to streamline church operations, including member management, event scheduling, communication tools, and donation tracking.
ReactTypeScriptTailwind CSS+2
Writing
Latest Notes
Insights on engineering systems, UX decisions, and shipping products with intent.
When Everything Falls Apart: Learning from Job's Early Story
Explore the profound questions and raw emotions in Job's early story. When life hits hard and answers feel distant, Job shows us that faith isn't about having neat solutions—it's about showing up to the pain and wrestling with the difficult questions that matter most.
July 31, 2025
6 min read
Faith
Bible
Books
The Evolution of Agentic AI: From Origins to Future Horizons
Explore the fascinating journey of agentic AI, its key developments, and what the future might hold as this technology transforms industries and daily life.
July 17, 2025
5 min read
AI
Future Technology
Client-Side Rendering vs Server-Side Rendering
Compare client-side and server-side rendering strategies in JavaScript applications, covering performance, SEO, and user experience considerations.
February 12, 2024
4 min read
JavaScript
Performance
SEO
10 Tips & Tricks to Level Up Your ReactJS Development
Master these 10 essential ReactJS tips and tricks to enhance your development workflow and build more efficient, maintainable applications.
January 30, 2024
4 min read
React
JavaScript
Tutorial