Madrid-based

SOFTWAREDEVELOPER

Daniel Garrido — Building scalable products, AI automation systems, RAG platforms, and end-to-end web applications.

FULL-STACK + AI

Clean architecture. Domain-driven design. Production-grade infrastructure.

Madrid, Spain

+34 634 513 582

danigarridonunez@gmail.com

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About me

Building scalable software and practical AI products.

Daniel Garrido portrait

3+ years of experience

Full-stack software developer building innovative solutions that advance technology and create practical business impact.

Design patterns and architecture

Designing scalable microservices, applying clean architecture, domain-driven design, CQRS, and event-driven systems.

AI development

Building automation systems, RAG platforms, multimodal chatbots with LLM tools, MCP servers, and hosted open-source LLM workflows.

Modern full-stack delivery

Shipping with JavaScript, TypeScript, React, Next.js, AWS, Azure AI Foundry, and production-grade infrastructure.

End-to-end ownership

Creating robust front-to-back products with scalable architecture, maintainability, and reliable user experiences.

Career

Experience

0+

Years of experience

0+

Daily AI queries

0+

Concurrent users

0%+

Code coverage

SEP 2025PRESENT

Senior AI FullStack Developer

InsudPharma

Madrid, Spain (Hybrid)

  • Provide full-stack development services to InsudPharma, a major pharmaceutical company.
  • Built an AI-powered tool that creates info websites hosted on an internal file server or presentations from user information and uploaded files, saving thousands of employees many hours of manual work.
  • Collaborated on RAG systems with Cohere Reranker and multimodal chatbots handling 1000+ daily queries with 95% accuracy.
  • Designed scalable microservices following clean architecture and domain-driven design patterns.
  • Implemented CQRS with Amazon EventBridge, SQS, and Redis, improving system throughput by 40%.
  • Reduced API response time by 50% through Redis caching and optimized database queries.
  • Developed responsive frontend applications using Next.js, React, TypeScript, Tanstack Query, Zustand, and Tailwind CSS.
  • Implemented secure authentication with OAuth 2.0, Better Auth, and Microsoft Entra ID for 500+ concurrent users.
  • Applied TDD with 85%+ code coverage across unit and integration tests.
  • Deployed Dockerized applications on AWS and Azure, reducing deployment time by 60%.
  • Built an automation app for daily company tasks with LLM and third-party API integrations, improving productivity by up to 20%.
InsudPharma technology icons
JAN 2025SEP 2025

FullStack Developer

Asiron Tech

Madrid, Spain (Remote)

  • Built complete web applications from the ground up using React and Express.
  • Developed responsive frontend applications with React, Vite, TypeScript, and Tailwind CSS, reaching full mobile compatibility.
  • Worked for a data center company serving 1000+ active users.
  • Built and maintained GitLab CI/CD pipelines for automated testing and deployments.
  • Deployed backend and frontend apps to AWS EC2 and S3 with environment-based configuration.
  • Developed REST APIs with Express and NestJS using TypeScript, MySQL, and PostgreSQL.
  • Led task estimation and sprint planning while supporting code reviews and team coordination.
  • Maintained backend services with 99.9% uptime.
  • Collaborated with 3+ team members through Git workflows and code reviews.
  • Delivered 20+ features across API, ERP, and web applications, increasing productivity by 35%.
  • Optimized Prisma and MySQL queries, reducing page load times by 45%.
Asiron Tech technology icons
MAR 2024JAN 2025

Backend Developer

VASS

Madrid, Spain (Remote)

  • Created custom technology solutions for clients including VASS, Repsol, Perfumerias Unidas, and Bella Aurora.
  • Developed clean, efficient, readable code for optimized pages, fast loading times, and improved user experience.
  • Worked with agile SCRUM practices, team collaboration, and continuous integration.
  • Managed source code with Git and collaborated through GitHub with distributed teams.
  • Delivered projects on time and within budget while maintaining a 100% client satisfaction rate.
  • Achieved 99.8% uptime across deployed applications through proactive monitoring and maintenance.
  • Improved application scalability to support a 5x traffic increase through architecture optimization.
  • Enhanced existing platforms with 10+ new features, improving user satisfaction by 40%.
VASS technology icons
JAN 2023MAR 2024

FullStack Developer

Arasaka SL

Mallorca, Spain (Remote)

  • Contributed to an internal company project that improved data tracking and operational efficiency.
  • Designed and optimized PostgreSQL databases with Prisma ORM, improving query performance by 50%.
  • Streamlined workflows and improved data management processes with the team.
  • Solved technical problems with clean, efficient implementation.
  • Identified refactoring opportunities and optimized existing code for better performance and readability.
Arasaka SL technology icons
Selected work

Projects

BetterEdit preview

2025-2026

BetterEdit

Live AI SaaS

Full-stack AI-powered SaaS for creators, e-commerce brands, and content teams to generate and edit studio-quality images in seconds.

  • Built custom fine-tuned model workflows trained in about 5 minutes from 10-20 user photos.
  • Implemented prompt enhancement with Groq, background and environment swapping, object removal, virtual clothing try-ons, retouching, blending, and enhancement pipelines.
  • Engineered the product with Next.js 16, React 19, Drizzle ORM, LibSQL, and clean architecture patterns including Repository, Strategy, and Factory.
Next.js 16React 19DrizzleLibSQLAWS S3SQSStripeTrigger.devSharp
View project
UpScaleer preview

2025

UpScaleer

Landing visible, backend turned off

Commercial SaaS platform for creators and small businesses to manage, schedule, and automate posts across 9+ social platforms.

  • Designed, architected, and launched a full-stack social media automation product from scratch.
  • Built an automation engine for viral content, including AI slideshow and short-video generation from topics or image libraries.
  • Implemented media pipelines with FFmpeg, Sharp image processing, and real-time optimization.
Next.js 15TypeScriptExpressPrismaTursoStripeAWS S3FFmpegSharp
View project
Professional resume generator

2024

CV Builder

Professional resume generator

Command-line resume generation system using YAML configuration, RenderCV, and Typst for consistent professional CV outputs.

  • Generated PDF, PNG, HTML, and Markdown outputs from a flexible YAML configuration.
  • Built an argparse command-line interface for repeatable automation.
  • Added customizable themes, layouts, professional typography, photo integration, custom sections, and achievement-focused content.
PythonRenderCVTypstYAMLCLI
Private project
Stack

Technologies

Spanish NativeEnglish Professional Working Proficiency (C1)

System Design & Architecture

Microservices ArchitectureClean ArchitectureDomain-Driven Design (DDD)CQRSEvent-Driven ArchitectureScalable Systems DesignAPI Design

Design Patterns

Repository PatternObserver PatternFactory PatternStrategy PatternFacade PatternEvent Bus PatternDependency InjectionSingletonAdapter Pattern

AI & Machine Learning

LangChainAzure AIAzure AI FoundryAzure Document IntelligenceGPTOpenAI EmbeddingsRAGCohere RerankerVercel AI SDKMCP ServersPgVectorVector Search

Backend Development

Node.jsExpressNext.js API RoutesDrizzle ORMPrismaSupabase

Frontend Development

Next.jsReactTypeScriptJavaScriptTailwind CSSTanstack QueryZustandHTMLCSS

Cloud & Infrastructure

AWS EventBridgeS3SQSLambdaSNSMicrosoft AzureAzure AI FoundryDocker

Databases

PostgreSQLSupabasePgVectorRedisSQLMySQL

Testing & Quality

Unit TestingIntegration TestingTest-Driven Development (TDD)VitestJest

Authentication & Security

OAuth 2.0JWTSupabase AuthBetter AuthMicrosoft Entra IDSession ManagementToken-based Authentication

Version Control

GitGitLabGitHub