An illustrative terminal session showing Tailscale, DNS, CrowdSec, container checks, media inspection, and software builds. All output is fictional sample data.
Jay Esquivel Jr.Online Software Engineer / Vancouver, BC
Hi, I’m Jay.
I’m an Online Software Engineer at 2K working on backend and client. In my spare time, I build open-source software and tools.
Networking
Backend systems
Open source
Homelab
My homelab
I run photo storage, backups, containers, and home automation on my own hardware. It’s also where I try out networking setups and work on side projects.
Network
Connected devices
Cloudflare tunnel
Connects Cloudflare to the container services on the home server.
Compute / Storage
Home Server
Runs Docker containers and VMs, with storage for files, photos, and backups.
Experience
Online Software Engineer
2K
Unannounced project
I work on backend systems and their integration with the client.
C++GoPythonJavaUnreal EnginePerforceGitHubBackendDockerKubernetes
Software Engineer
OffroadExpert
Built product import pipelines, API integrations, and internal tools for an automotive parts retailer.
- Scaled in-store product listings by 300x through automated vendor ingestion from CSVs and hosted vendor files.
- Built and containerized a React interface for managing scheduled jobs, logs, and configuration.
- Integrated vendor APIs and used an LLM to standardize product metadata.
- Supported a private-cloud migration that reduced operating expense by roughly 50%.
PythonTypeScriptReactDockerBashGCP
Contract Software Developer
Jaysqvl Solutions
Sept 2020 - June 2025
Vancouver, BC / Remote
Developed software and provided technical support for small businesses, alongside course development and tutoring.
- Built REST APIs, full-stack apps, AI integrations, and operational tools for varied client needs.
- Audited, debugged, and tested course content used by 3000+ students across private and public learning platforms.
- Tutored university students in mathematics, computer science, and data science.
PythonJavaScriptReactNode.jsDockerAI/ML
Education
Sept 2022 - Present
Simon Fraser University
BASc Computer Science - Software Systems
Operating systems, computer networks, software engineering, cloud computing, databases, mobile development, UI design, and intelligent systems.
Burnaby, BC
Sept 2020 - Aug 2022
University of British Columbia
BSc Computer Science & Mathematics
Data structures, algorithms, artificial intelligence, machine learning, deep learning, security, discrete math, linear algebra, and calculus.
Vancouver, BC
Projects
Some of the software I’ve built, maintained, or contributed to.
Backend / browser automation
Lake Pass Bot
A self-hosted service I built to plan and book lake passes for my family. A Go backend coordinates scheduled jobs, Python browser workers, manual approval, and booking confirmation.
GoPythonHTMLCSSShell
Audio transcription
Jotist
I’m the main maintainer of Jotist, a self-hosted transcription platform forked from Scriberr. I’ve added queued model comparisons, preserved run history, resumable uploads, and controls for long-running jobs.
GoTypeScriptPythonMDXCSS
Desktop game
Spider
A desktop Spider Solitaire game I built for my dad. It has a deterministic rules engine, SQLite saves, undo/redo, and signed updates for Windows and macOS.
Android / coursework
Cardiolo
An Android activity tracker combining GPS routes, sensor-based activity classification, and Room storage. A foreground service records workouts while the app is in the background.
KotlinJava
Android / team prototype
ExpensAI
A team-built Android expense tracker. My contributions covered Python cloud functions, receipt-scanning APIs, and camera integration.
KotlinPython
Robotics experiments
LEGO EV3
LEGO EV3 programs for line following and maze navigation using sensor feedback. The project also includes MATLAB analysis of barcode readings captured by the robot.
CPythonMATLAB