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Daniel Reyes, YuSMP Group

Daniel Reyes

Principal Engineer (AI/ML), YuSMP Group

Daniel Reyes leads applied AI and machine-learning topics for the YuSMP Group blog — retrieval-augmented generation, fine-tuning, AI agents, model selection, and the cost and ops of running LLMs in production. His articles are the decision frameworks our US and EU clients use before committing to an architecture.

  • Born1985
  • LocationBarcelona
  • Experience15 years
  • SpecializationApplied ML, LLMs, RAG & MLOps
  • EducationPhD in Machine Learning, Universitat Politècnica de Catalunya

Principal Engineer · 12 articles

A data science team reviewing model accuracy charts while building a machine learning system AI / LLM 12 min read
Machine LearningMLOps

Machine Learning Software Development: How ML Systems Are Built in 2026

What machine learning software development is, how ML systems are built end to end, the process, tech stack, 2026 cost and timeline, MLOps and the main risks.

2026-07-31 Read article →
Two software engineers building a generative AI application at a workstation showing data-flow visualizations and code AI / LLM 12 min read
Generative AIRAG

Generative AI Software Development: How to Build a GenAI Application in 2026

Generative AI software development in 2026 — architecture, model strategy (API, RAG, fine-tuning), the build process, tech stack, realistic cost and timelines.

2026-07-19 Read article →
AI software development — a developer coding at a dual-monitor workstation with code suggestions AI / LLM 12 min read
AIDeveloper Tools

AI Software Development: How Teams Actually Build With AI in 2026

AI software development in 2026 — where AI helps across the SDLC, the real adoption and productivity data, the risks, the tool categories, and how to adopt AI without shipping worse software.

2026-07-04 Read article →
AI chatbot development cost in 2026 — a support headset beside a laptop on a desk AI / LLM 13 min read
ChatbotsCost

How Much Does It Cost to Build an AI Chatbot in 2026?

What an AI chatbot costs to build in 2026 by type — rule-based, NLU and LLM/RAG — plus integrations, running costs and build-versus-buy.

2026-06-28 Read article →
Generative Engine Optimization: getting cited by AI Overviews, ChatGPT and Perplexity in 2026 AI / LLM 12 min
GEOAI Search

Generative Engine Optimization: how to get cited by AI search in 2026

How to get cited by Google AI Overviews, ChatGPT and Perplexity in 2026 — front-loaded answers, entity density, FAQ schema, the llms.txt reality and AI-visibility measurement.

2026-06-21 Read article →
Loan Origination Software Development Custom 12 min
LendingFinTech

Loan Origination Software Development

How to build loan origination software (LOS) — application intake, KYC, credit decisioning and risk scoring, underwriting workflow, loan management, build vs platform, cost and timeline.

2026-06-11 Read article →
Claude vs GPT-4o for product teams 2026 AI / LLM 16 min read
LLM Claude / GPT

Claude vs GPT-4o for product teams in 2026

Engineering comparison for production teams — SWE-bench / GPQA / agentic benchmarks, cost per 1M tokens, prompt caching, EU residency, when to choose which.

2026-04-29 Read article →
AI agents for enterprise 2026 production stack AI / LLM 20 min read
Agents Enterprise

AI agents for enterprise in 2026

Production stack 2026: LangGraph, MCP, Anthropic SDK, Claude 4.6 / GPT-4o, orchestration patterns, cost-per-task economics, human-in-the-loop.

2026-02-11 Read article →
AI Integration in Enterprise Software 2026 Enterprise 14 min
AIEnterprise

AI Integration in Enterprise Software 2026

How enterprises integrate AI into existing software in 2026 — use cases, embedding AI into ERP/CRM and legacy systems, governance, the EU AI Act, cost and ROI.

2025-12-08 Read article →
LLM fine-tuning cost benchmark 2026 AI / LLM 18 min read
Fine-tuning Cost

LLM fine-tuning cost benchmark 2026

H100/H200 GPU hours, dataset prep, LoRA vs full FT, RLHF, when to fine-tune vs use RAG — with three worked enterprise examples.

2025-12-03 Read article →
RAG vs fine-tuning decision guide 2026 AI / LLM 17 min read
RAG Architecture

RAG vs fine-tuning in 2026 — what to choose

Decision guide for RAG, fine-tuning, and hybrid in 2026: Claude 4.6 / GPT-4o / Llama 4 / Mistral Large 3 benchmarks, cost per 1M tokens, retrieval stack, eval pipelines.

2025-09-21 Read article →
The Custom Software Development Process Custom 10 min
ProcessSDLC

The Custom Software Development Process

The custom software development process explained — discovery, design, build, QA, launch and support: what each SDLC stage delivers, costs and how long it takes.

2025-09-01 Read article →

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