T
>_

Aaron Perez Perez

[ Software Craftsman ]

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about.sh
$ cat ~/bio.txt

Dedicated Software Engineer with 6+ years building robust and scalable systems through clean code, hexagonal architecture, and agile methodologies. Passionate about software craftsmanship, emphasizing that quality code results from developer dedication rather than mechanical rule-following.

$ echo $LOCATION

Tenerife, Canary Islands, Spain

Aarón Pérez
▸ SCANNING
▸ ID: @AaronPerezPerez
▸ LVL: 31
▸ STATUS: ONLINE
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// Experience

{ Freelance }
> Senior Software Craftsman
Remote March 2024 - November 2024 (9 months)

Independent consulting focusing on software architecture, clean code practices, and mentoring development teams.

TypeScript Node.js DDD TDD Hexagonal Architecture
{ Codurance }
> Senior Software Craftsman
Barcelona, Spain (Remote) April 2023 - December 2024 (1 year 9 months)

Delivered high-quality software solutions emphasizing Test-Driven Development, Domain-Driven Design, and Hexagonal Architecture. Mentored teams on software craftsmanship principles.

TypeScript NestJS GraphQL MongoDB PostgreSQL TDD DDD
{ Swan }
> Software Engineer
Paris, France (Remote) September 2022 - March 2023 (7 months)

Contributed to banking-as-a-service platform development with focus on backend services and microservices architecture.

TypeScript Node.js Microservices AWS Docker
{ Acid Tango }
> Full Stack Developer
Tenerife, Canary Islands, Spain November 2019 - September 2022 (2 years 11 months)

Developed full-stack applications from concept to deployment. Gained comprehensive experience in modern web technologies and agile development practices.

JavaScript TypeScript React Node.js Express MongoDB

// Work Projects

Beonit Platform
VIEW_LIVE
@Beonit

Beonit Platform

Talent management and training platform through channels like email and WhatsApp. Currently migrating backend to NestJS with TypeScript and DDD.

Vue MySQL Docker Express.js NestJS +2
VeVe
VIEW_LIVE
@Freelance

VeVe

NFT marketplace with official licenses from Marvel, Star Wars, and Disney.

Next.js NestJS Microservices PostgreSQL MongoDB +1
Kodokan (Santander Bank)
INTERNAL
@Codurance

Kodokan (Santander Bank)

Training program for Santander Bank developer teams on best practices, TDD, DDD, and Agile methodologies.

TDD DDD Agile Clean Code
TaxSystem
VIEW_LIVE
@Codurance

TaxSystem

Legacy system analysis adding observability to detect bottlenecks. Reduced frontend load times from ~1 min to ~5 seconds.

.NET Angular Grafana K6 Azure
Webbeds
VIEW_LIVE
@Codurance

Webbeds

Hotel chain availability aggregator normalizing data for Booking, Airbnb, and other platforms.

.NET PostgreSQL Kafka Event-driven
Swan Platform
VIEW_LIVE
@Swan

Swan Platform

BaaS (Banking as a Service) platform to manage bank accounts and cards via GraphQL API.

NestJS DDD Microservices GraphQL gRPC +2
Synergie
VIEW_LIVE
@Acid Tango

Synergie

HR platform for staffing agency with employee management, job offers, and candidate matching across 46 offices in Spain.

Rails MySQL React PWA
Yubick
INTERNAL
@Acid Tango

Yubick

Truck service station app with reservation management and license plate reader barrier integration.

Next.js NestJS MongoDB React Native
WeFeedRaw
VIEW_LIVE
@Acid Tango

WeFeedRaw

Subscription platform for raw dog food diets. Complete migration from Shopify with zero downtime.

React Next.js Node.js NestJS AWS +1
Rabbit
VIEW_LIVE
@Acid Tango

Rabbit

Supply platform for corner stores in Mexico with dashboard, delivery app, credit services, and ETL processes from multiple providers.

Next.js NestJS React Native AWS Lambda MongoDB +1
Vizzuality
VIEW_LIVE
@Acid Tango

Vizzuality

Platform using Marxan algorithm to calculate optimal restoration zones on interactive maps.

Angular NestJS PostgreSQL PostGIS

// Tech Stack

⚡

Daily Driver

TypeScript
◱

Frontend

React Next.js Astro Tailwind CSS
⚙

Backend

Node.js NestJS Express.js REST APIs GraphQL
◉

Databases

PostgreSQL MongoDB
⬡

Architecture & Practices

Hexagonal Architecture DDD TDD Clean Code Microservices
⟲

DevOps & Tools

Docker Git GitHub Actions AWS
// CURRENTLY_FOCUSING_ON
System Design Performance Optimization Developer Experience (DX) Testing Strategy AI Integration in Workflows