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Certifications

My Certifications

Hello, I'm Marcos Garcia Estevez. This page showcases all the courses and certifications I've acquired so far. I've organized them here for easy viewing. Click on the tags to filter and explore the certifications that interest you most.

Certification list

dev ai official

GitHub Copilot

GitHub · July 2026 · Expires July 2028

Official GitHub Copilot certification validating proficiency in AI-assisted software development, covering prompt engineering, code generation, refactoring, and effective collaboration with Copilot across the developer workflow.

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ai

Getting Started with Kore.ai XO Platform v11.0

Kore.ai · June 2024

An introductory certification for the Kore.ai XO Platform v11.0, covering essential features and functionalities.

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languages

EF SET English Certificate 71/100 (C1 Proficient)

EF Standard English Test (EF SET) · April 2024

Certification of English proficiency at the C1 level, demonstrating advanced language skills.

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languages official

B1 Preliminary English Test – Score 147

Cambridge University Press & Assessment · June 2017

B1 Preliminary certification demonstrating intermediate English language proficiency.

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dev official

PCEP – Certified Entry-Level Python Programmer

Python Institute · November 2024

PCEP certification demonstrating fundamental Python programming skills.

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ai

Generative AI for Everyone

DeepLearning.AI & Coursera · March 2025

Comprehensive course on generative AI fundamentals and applications accessible to non-technical audiences.

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ai dev

ChatGPT Prompt Engineering for Developers

DeepLearning.AI · March 2025

Advanced techniques for effective prompt engineering to maximize large language model performance for developers.

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ai dev

Understanding and Applying Text Embeddings

DeepLearning.AI · March 2025

Comprehensive training on text embedding techniques and their practical applications in AI systems.

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ai dev

Retrieval Optimization: Tokenization to Vector Quantization

DeepLearning.AI · March 2025

Specialized training on advanced retrieval techniques from tokenization to vector quantization for improved AI performance.

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ai dev

Attention in Transformers: Concepts and Code

DeepLearning.AI · March 2025

In-depth course on attention mechanisms in transformer models, covering both theoretical concepts and practical implementation.

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ai dev

Building Agentic RAG with LlamaIndex

DeepLearning.AI · March 2025

Hands-on course for implementing and optimizing agentic retrieval-augmented generation systems using LlamaIndex.

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