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Joaquin Rodolfo Arruiz

@joaquinrodolfoarruiz

Senior Software Engineer at Software on the Road building financial close features and migrating services to AWS.

At Software on the Road, I develop features for a financial close management SaaS platform used by accounting teams. I build React micro-frontends and Node.js services while contributing to the migration from a legacy monolith to AWS Lambda and ECS services.

Previously, at FP Complete / FP Block, I built and shipped three production Web3 apps and developed end-to-end testing workflows. At Gallo Financial Technology, I developed a white-label trading platform and an internal Material UI component library; at Elepe Servicios, I led the migration of a legacy Odoo web system to a Flutter mobile app.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Software on the Road

Jun 2026 - Present (4 months)

Develop features for a US financial close management SaaS platform, contributing to a strangler fig migration to AWS Lambda and ECS services. Build React micro-frontends and Node.js services in an Nx monorepo, maintaining 90%+ unit test coverage.

TypeScript NodeJS React SingleSPA ExpressJS MongoDB Mongoose DynamoDB AWS Lambda AWS ECS Amazon SQS S3 Step Functions Nx (Monorepo)Terraform OpenTelemetry Jira

Web3 Software Engineer

FP Complete / FP Block

Jun 2025 - Jul 2026 (1 year 1 month)

Built and shipped 3 production Web3 apps, leading frontend development with React, Next.js and TypeScript. Built end-to-end testing workflows reaching ~85% coverage and contributed to blockchain and Rust smart contract development.

TypeScript React Next.js Rust Playwright Smart Contracts Terraform GitHub Actions AWS Cloudflare

Fullstack Developer

Gallo Financial Technology

May 2024 - Jun 2025 (1 year 1 month)

Developed a white-label platform for trading bonds, stocks and CEDEARs, owning frontend delivery. Built an internal Material UI component library with Storybook and raised sprint ticket completion by adopting GitHub Copilot.

React TypeScript NodeJS Spring Framework Java Material UI Storybook PostgreSQL Docker AWS Jira

Odoo & Mobile Developer

Elepe Servicios

Sep 2022 - May 2024 (1 year 8 months)

Led the migration of a legacy Odoo web system to a Flutter mobile app for Android and iOS. Built custom Odoo ERP modules and optimized high-volume operations for a client with 48,000+ members.

Dart Flutter Python SQL Odoo Framework PostgreSQL Docker Git