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Omar Garcia

7+ Years Experience

Senior Full Stack Software Engineer

Barcelona, Spain
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Profile & Philosophy

I like to turn complex problems into simple solutions with a continuous curiosity for new tools and services to simplify workflows and elevate the end result. I am especially excited about the application of AI tools in software engineering, embracing them fully yet with sound engineering caution.

Even though colleagues frequently commend my sharp eye for detail and design precision, I feel most energized solving tough challenges in the back-end. I work extensively with Ruby on Rails, Node.js, Elixir, .NET, and Python, complemented by rich cross-platform and modern front-end experience across React, Flutter, Vue, and Angular.

Outside my primary engineering engagements, I actively architect autonomous Telegram bots and custom Python APIs. My core strengths are thoroughness, rapid deep-focus execution, and technical versatility.

7+ Years of Professional Experience
Deep Backend & Distributed Systems Focus
Curated AI Integration & RAG Architectures
Cross-Platform Mobile & Modern Web Mastery
Tech Stack & Core Competencies

Backend & Systems

Ruby on RailsNode.js / Express / NestElixir & PhoenixC# / Microsoft .NETPython (Django, Flask, FastAPI)GraphQL & REST APIsMicroservices & Background Workers (Oban/Sidekiq)

Frontend & Mobile

React / Next.jsFlutter & DartReact NativeVue.js / NuxtAngularTypeScript & JavaScriptTailwind CSSSvelte / SvelteKit

Cloud, Data & DevOps

PostgreSQLMySQLFirebase / FirestoreAWS Cloud ServicesMicrosoft AzureDocker & ContainerizationPrisma ORMContentful CMSShopify / Saleor E-Commerce

AI & Pragmatic Engineering

LLM Integration & Prompt PipelinesRAG (Retrieval-Augmented Generation)AI-assisted Development (Claude Code, Copilot, Roo)Automated Bot Architecture
Professional Experience & Selected Projects

Full Stack Developer

Prototyp Stockholm AB(prototyp.se)
August 2019 – Present
Barcelona, Spain

Key member of cross-functional engineering teams building ambitious enterprise platforms, startups, and mobile applications from concept to production.

Featured Client Engagements & Production Systems
Independent Projects & Tools
Academic Education