Kingston, ON · Queen's University

Tristan Guevarra

Building internal platforms and developer tooling at TD Bank. Passionate about full-stack systems, CI/CD infrastructure, and shipping ambitious products from zero to one.

02 — Experience

Where I've worked

A thread connecting internal platforms, developer experience, and ambitious product builds.

01 — Projects

Things I've built

From enterprise platforms to ambitious side projects, I obsess over shipping products with depth and polish.

2025tooling

CI/CD Pipeline Recommendation Tool

A FastAPI application that filters and scores six internal pipeline types based on developer inputs—helping teams select the right CI/CD path across CADP, Fenix, EDP-XL, EDP-GT, and more.

FastAPIPythonHTMLDeveloper Experience
2025finance

KRATOS

Institutional-grade portfolio management platform for Limestone Capital, featuring full trade lifecycle, pitch infrastructure, and real-time analytics dashboards.

Next.jsFastAPIPostgreSQLFinance
2025saas

DecisionOS

AI-powered structured decision engine with Monte Carlo simulation, multi-criteria scoring, and interactive scenario modeling for high-stakes choices.

Next.jsFastAPIAI/MLMonte Carlo
2025saas

URANYS

Revenue leakage intelligence platform for B2B SaaS companies. Tracks churn risk, payment failures, and expansion opportunities across your customer base using ML scoring. Think "Datadog for revenue health."

Next.jsFastAPIMachine LearningB2B
2025saas

BrieflyAI

AI meeting intelligence platform that captures, transcribes, and distills meetings into actionable summaries and follow-ups.

Next.jsAINLPSaaS
2025saas

CaseFlow

AI-powered legal matter management. Upload contracts and legal docs, and GPT-4o-mini auto-extracts parties, deadlines, obligations, and risk flags, then generates tasks and timelines. Includes semantic search across all documents.

Next.jsFastAPIGPT-4o-miniAI
2025saas

Erebys

Analytics and dynamic pricing engine for sports academies. Gives academy owners real revenue intelligence and an ML-powered pricing engine that suggests optimal prices based on fill rates, coach ratings, and seasonality. Includes a what-if simulator.

Next.jsFastAPIMachine LearningAnalytics
2024platform

Triacta Inspection Assistant

WPF desktop application for SE04 certificate management and meter inspection at Metergy, handling PDF generation, SharePoint integration, and Dataverse queries.

C#WPF.NETSharePoint
GitHub Contributions
03 — Stack

Tools of the trade

Languages
  • C#
  • Java
  • Python
  • C/C++
  • JavaScript/TypeScript
  • SQL
  • HTML/CSS
  • Assembly
  • Verilog
Frameworks
  • .NET/ASP.NET
  • Spring Boot
  • React/Node.js
  • Express
  • Pandas
  • NumPy
  • SKLearn
  • PyTorch
Tools
  • Git
  • Docker
  • Kubernetes
  • Postman
  • GitHub Actions
  • Power Automate
  • Qt Creator
  • Android Studio
  • Figma
  • UNIX
Interests
  • Undergraduate Teaching
  • Former Varsity Athlete
  • Billiards
  • Finance
  • Startups
04 — Writing

Thinking in public

Essays and reflections on engineering, building, and what I'm learning along the way.

Career2025

How I Landed My First Internship With Zero Connections

No referrals, no family hookups, no LinkedIn clout. Just 614 applications, a lot of rejection, and the stubbornness to keep going.

Building2025

From Zero to SaaS in a Weekend

What actually happens when you try to build and ship a full-stack product in 48 hours. Spoiler: it involves a lot of coffee and questionable git commits.

Finance2025

An Engineer Walks Into a Trading Floor

How I went from writing for loops to reading 10-Ks, and what it took to go from pure engineering to understanding finance well enough to work at TD Securities.