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I'm an experienced Full Stack & Web3 Developer with over 20 years of designing, developing, and deploying high-performance web, enterprise, and blockchain applications. I specialize in Python and TypeScript with a focus on developing LLMs and integrating AI into production. I enjoy building scalable systems, collaborating across product and security teams, and delivering value through clean code and robust CI/CD.…I'm an experienced Full Stack & Web3 Developer with over 20 years of designing, developing, and deploying high-performance web, enterprise, and blockchain applications. I specialize in Python and TypeScript with a focus on developing LLMs and integrating AI into production. I enjoy building scalable systems, collaborating across product and security teams, and delivering value through clean code and robust CI/CD.

Carlos Borraz

Full Stack Developer, Web Developer, Blockchain Developer, +2

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I'm an experienced Full Stack & Web3 Developer with over 20 years of designing, developing, and deploying high-performance web, enterprise, and blockchain applications. I specialize in Python and TypeScript with a focus on developing LLMs and integrating AI into production. I enjoy building scalable systems, collaborating across product and security teams, and delivering value through clean code and robust CI/CD.…I'm an experienced Full Stack & Web3 Developer with over 20 years of designing, developing, and deploying high-performance web, enterprise, and blockchain applications. I specialize in Python and TypeScript with a focus on developing LLMs and integrating AI into production. I enjoy building scalable systems, collaborating across product and security teams, and delivering value through clean code and robust CI/CD.

Available to hire

I’m an experienced Full Stack & Web3 Developer with over 20 years of designing, developing, and deploying high-performance web, enterprise, and blockchain applications.

I specialize in Python and TypeScript with a focus on developing LLMs and integrating AI into production. I enjoy building scalable systems, collaborating across product and security teams, and delivering value through clean code and robust CI/CD.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Spanish; Castilian

Fluent

Work Experience

Python (AI/LLM) & Full Stack Engineer at Culture Mind

February 1, 2025 - November 3, 2025

Designed and developed user-friendly front-end interfaces with Angular, React, and Tailwind CSS across client-facing platforms; improved usability and performance with measurable gains. Built high-performance Python back-end services using FastAPI and Django, optimizing API response times through efficient querying and caching. Implemented secure FastAPI microservices with vector search and embedding support (OpenAI, Cohere) for real-time inference. Engineered end-to-end RAG pipelines with LlamaIndex and LangChain for knowledge retrieval and QA enhancement. Built an AI-based live stream classification model and deployed model APIs. Implemented RESTful and GraphQL APIs to support multiple web platforms with secure, scalable data exchange.

Full Stack Engineer at Kitrum

February 1, 2025 - February 1, 2025

Developed and maintained scalable web applications using React.js for frontend and .NET/Java for backend services. Led CI/CD pipeline development using Google Cloud Build and Kubernetes to ensure rapid and reliable deployments. Led Backend development for multiple platforms, implementing RESTful and GraphQL APIs with Express.js and Nest.js. Designed and deployed scalable backend services using Go, and contributed to web apps with Ruby on Rails. Built and maintained interactive, responsive front-end interfaces using Angular/AngularJS and TypeScript, with MongoDB and PostgreSQL for data storage.

Web3 Full Stack Engineer at Visa

April 1, 2021 - April 1, 2021

Developed blockchain prototypes (token contracts, DeFi settlement workflows, NFT-based loyalty programs) to explore next-generation payment and identity solutions. Authored Solidity smart contracts (ERC-721/1155) with OpenZeppelin RBAC and proxy patterns for upgrades. Implemented crypto-asset workflows and integrations to connect Visa payment systems with Ethereum and other major chains for faster settlement. Designed and maintained decentralized apps on Ethereum (Solidity) and Solana (Rust), enhancing throughput and reliability.

Web Developer at Google

September 1, 2018 - September 1, 2018

Built and maintained high-traffic web applications for Google products using HTML5, CSS3, JavaScript (ES6), and frameworks (Angular/React). Developed responsive UI components and design systems to improve consistency, performance, and WCAG compliance. Integrated front-end applications with secure RESTful APIs and Node.js back-ends, streamlining data flow. Optimized page performance and SEO, and deployed apps on Google Cloud Platform with CI/CD.

Software Engineer at Scalo

August 1, 2013 - August 1, 2013

Architected and engineered large-scale enterprise systems using Java/J2EE, C#/.NET, and C++ for high-performance components. Developed back-end services and RESTful APIs in Python, built internal dashboards with Django/Flask, and created Python APIs for debugging and data processing. Led development of full-stack web applications with Python, Django, AWS, PostgreSQL, MySQL, and MongoDB; authored unit and integration tests to maintain quality.

Software Developer at Itransition Group

April 1, 2008 - April 1, 2008

Designed and implemented enterprise applications for financial and retail clients using Java/J2EE and .NET; built internal tools and Windows Services to automate reporting and data processing. Developed a high-performance file indexing system in C++ for rapid search in large-scale storage solutions; integrated SQL Server and Oracle with optimized queries. Contributed to code reviews, unit testing, and DevOps practices to ensure reliable releases.