

Full-Stack Software Engineer
Hi, I'm Stephane Katende.
I build software that works.
From HVAC control systems powering 3M+ sq ft of commercial buildings to fintech platforms — I ship clean, maintainable products across the full stack.
Experience
Where I've worked
MUJ Digital Ltd
Junior Full-Stack Engineer
Jan 2026 – Mar 2026
- Built an API-only Rails backend serving both web and mobile clients from a single codebase.
- Built a Shopify Liquid-powered website builder that rendered server-side templates from JSON configs.
- Developed a React Native app consuming the Rails API with feature parity across iOS and Android.
- Diagnosed and resolved production API defects, extending endpoints without breaking existing behavior.
- Shipped a fintech MVP (SpendTrails) across web and mobile in 3 months as a 2-person engineering team.
HTS & Control Technologies
HVAC Software Engineer
Feb 2022 – Jan 2026
- Led 15+ projects end-to-end as tech lead — from requirements through deployment and client training.
- Built real-time cloud databases delivering live analytics across 3+ million sq ft of managed building space.
- Designed mobile-friendly UI dashboards giving operators visual control over connected HVAC equipment.
- Translated sequence-of-operations requirements into control logic using Java, Ladder Logic, and N4 Wiresheet.
- Integrated AI-capable alarm, lighting, access control, and camera systems with real-time intrusion detection.
Projects
Things I've built
Skills
What I work with
Frontend
Backend
Building Automation
DevOps & Tooling
Integrations & Concepts
About
A bit about me
I'm Stephane Katende, a software engineer based in Vermont with a B.S. in Computer Software Engineering from Vermont Technical College. I've spent the last four years building across IoT building systems and fintech web products.
At HTS & Control Technologies, I led 15+ projects as tech lead. At MUJ Digital, I helped ship a fintech MVP in 3 months across web and mobile as a 2-person team.
Outside of work I'm studying Data Structures & Algorithms and building personal projects.
Education
B.S. in Computer Software Engineering
Vermont Technical College
Randolph, VT | May 2019 – May 2023
15+
Projects led end-to-end at HTS
3M+
Square feet of building systems managed via real-time dashboards
4yrs
Professional engineering experience across IoT and web