Selected Project Systems.

Software Architect & Full Stack Engineer 2025 FINTECH

Case studies

LATAM Cross-Border Payments Platform

MVP for a fintech platform that lets individuals and businesses in Latin America pay international providers in USD using local-to-USDC conversion and Bridge payouts.

Visual narrative

Flow step 01

Guira welcome screen

MVP for a fintech platform that lets individuals and businesses in Latin America pay international providers in USD using local-to-USDC conversion and Bridge payouts.

Project decisions

01

KYC / KYB onboarding

Focus

02

MVP architecture + admin review

Scope

Technologies

React Router v7 Supabase Prisma Docker Edge Functions

2025 FINTECH

Explore screens

Software Architect & Full Stack Engineer 2025 PLATFORM

Case studies

Linne Social Sports Picks Platform

Refactor of an auto-generated social betting product into a production-ready platform with controlled data flows, worker-based processing, and a shared web/mobile experience.

Visual narrative

Flow step 01

Linne home screen

Refactor of an auto-generated social betting product into a production-ready platform with controlled data flows, worker-based processing, and a shared web/mobile experience.

Project decisions

01

AI screenshot processing

Upgrade

02

Web + mobile stories flow

Reach

Technologies

React Node.js PostgreSQL Zustand Capacitor BullMQ

2025 PLATFORM

Explore screens

Software Architect & Full Stack Engineer 2024 PLATFORM

Case studies

Omnichannel Call Center SaaS

MVP for a call center platform oriented to agents and supervisors, including architecture definition, stack selection, UI design, implementation kickoff, and technical handoff.

Visual narrative

Flow step 01

Data Go dashboard view

MVP for a call center platform oriented to agents and supervisors, including architecture definition, stack selection, UI design, implementation kickoff, and technical handoff.

Project decisions

01

Agent + supervisor operations

Focus

02

Docs and team training

Handoff

Technologies

Angular Express Prisma MySQL AWS Cognito Figma

2024 PLATFORM

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Software Architect & Full Stack Engineer 2024 INTERNAL

Case studies

Person Lookup System

Internal people search platform backed by SQL Server, a React SPA, and a C# .NET API, delivered with automated Azure deployment and kept intentionally high level because the client work is under NDA.

Project decisions

01

Internal-only product

Visibility

02

CI / CD on Azure

Release

Technologies

React ShadCN UI C# .NET Core SQL Server Azure Web App Azure Pipelines

2024 INTERNAL

Private Preview

This client work is under NDA, so the visual surface stays hidden while the architecture and stack remain visible.

Product Engineer & Technical Partner 2023 PLATFORM

Case studies

Circular-E Recycling Pickup Platform

Built with a close collaborator, Circular-E combined a public recycling experience with account, scheduling, and cashback flows so users could request home pickup of recyclable materials and track their impact.

Visual narrative

Flow step 01

Circular-E pickup scheduling flow on mobile

Built with a close collaborator, Circular-E combined a public recycling experience with account, scheduling, and cashback flows so users could request home pickup of recyclable materials and track their impact.

Project decisions

01

Pickup scheduling + cashback

Flow

02

Public site + user dashboard

Surface

Technologies

Angular SSR NestJS Prisma Tailwind CSS AWS Redis

2023 PLATFORM

Circular-E pickup scheduling flow on mobile

Explore screens

Full Stack Software Engineer 2022 FINTECH

Case studies

Money Transfers Between the U.S. and Mexico

Migration, maintenance, and deployment work for a remittance platform that improved performance and stability across web and hybrid app surfaces while keeping KYC and transfer flows operational.

Visual narrative

Flow step 01

Mesada marketing website

Migration, maintenance, and deployment work for a remittance platform that improved performance and stability across web and hybrid app surfaces while keeping KYC and transfer flows operational.

Project decisions

01

App Store + Play Store

Delivery

02

Legacy upgrade and stabilization

Outcome

Technologies

React React Native Django REST Celery Postgres EC2

2022 FINTECH