Omar Olivares
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Omar Olivares Urrutia

AI / Software Engineer — LLM Systems, Agents & Evaluation

AI engineer shipping production LLM systems: agents, RAG, evals, and tool/MCP platforms. Peer-reviewed LLM evaluation work (DataEd'26: 19 models, 300 SQL cases), early engineer on a high-growth open-source coding agent (~10K GitHub stars), and production RAG for 200K+ papers. Strong in Python, FastAPI, and end-to-end ML product delivery. Open to relocating to Paris / EU.

omar@olivares.cl · +56983810103 · Providencia, Santiago, Chile — open to Paris / EU · GitHub · LinkedIn · Twitter

Experience

Senior AI EngineerMar 2026 — Present

Maxxa Software SpA · Santiago, Chile

Fintech (credit & surety). Own production LLM platform work on the TECH team — governance, evals, observability, and agent tooling for financial products.

AI EngineerSep 2025 — Mar 2026

Universidad de Talca

Multi-agent LLM platform for SQL education — real-time syntactic, semantic, and logical feedback on student queries.

AI Engineer & Developer RelationsMar 2025 — May 2025

Kilo Code · San Francisco, CA / Amsterdam

Early hire (12-person founding team) on Kilo Code, a high-growth open-source coding agent (Cline/Roo-Code lineage).

AI EngineerFeb 2024 — Feb 2025

Emergent Mind · North Carolina, US (Remote)

Production RAG for scientific discovery — search and analysis over arXiv-scale corpora.

Content DeveloperSep 2021 — Jan 2025

Neura Pod · San Diego, CA (Remote)

Neurotech & AI content; grew channel past 80K YouTube subscribers with multiple 200K+ view videos.

AI Evaluation ContractorNov 2024

Centro Nacional de Inteligencia Artificial · Santiago, Chile

Model evaluation for LATAM Spanish-language LLMs.

Software EngineerJul 2021 — Dec 2021

clicOH · Remote

Backend engineering at logistics startup (RayoApp → clicOH acquisition).

Software Engineering InternJan 2020 — Apr 2020

Suncast · Las Condes, Chile

Renewable-energy forecasting platform; helped move a monolith toward microservices.

Education

Generative AI and Large Language ModelsAug 2025 — Feb 2026

Postgraduate Diploma · Centro Nacional de Inteligencia Artificial (CENIA)

Computer ScienceMar 2018 — Dec 2023

Engineer's degree · Universidad Católica del Maule · 5.71/7

Computer EngineeringMar 2015 — Dec 2017

Engineer's degree (coursework) · Universidad de Talca

Publications

DataEd'26: International Workshop on Data Systems Education

Empirical evaluation of 19 LLMs on SQL error detection (300 cases): LLM-as-a-Judge + human ground truth. Implications for automated tutoring systems.

Universidad Católica del Maule

Fine-tuned GPT-3.5 for PAES mathematics; accuracy 0.78 → 0.94 (+20%) with targeted optimization and OCR/transcription pipelines.

Projects

Automated EPUB generator for Paul Graham's essays — #1 on Hacker News, 800+ GitHub stars

PythonOpen Source

Agentic personal finance assistant with live bank API integration (36h hackathon)

Anthropic APIAgentsFastAPI

Recognition

2nd Place — Computer Vision HackathonSep 2025

Fundación País Digital | EY

Traffic monitoring from CCTV streams (congestion/anomaly detection), designed to scale across many cameras.

IELTS Academic — Overall Band 7.5 (C1)Jul 2025

Cambridge English

Skills

ML / AILLM AgentsLLM Evaluation (LLM-as-a-Judge)RAG / RetrievalFine-tuning (LoRA/QLoRA/PEFT)MCP / Tool UseOpen-Source AI
Frameworks & ToolsPyTorchHugging FaceLangChainOpenAI / Anthropic APIsWeights & BiasesMLX
InfrastructurePython / FastAPIDockerPostgreSQLVector DBsAWS / GCPCI/CD
LanguagesPythonSQLTypeScript

Languages & Interests

Spanish (Native) · English (Full Professional (IELTS C1 7.5))
Technology · Creative