Daniel RubioDR

Daniel Rubio

@danielrubio1

Technical lead and software contractor with 15+ years of experience.

Mexico

What I'm looking for

I am looking for opportunities that challenge my technical skills and allow for leadership growth in innovative environments.

With over 15 years of experience in technology leadership, I've successfully launched, scaled, and optimized SaaS solutions and AI-powered platforms for startups and enterprises across the U.S. and Latin America. My leadership experience covers managing and growing engineering teams of over 50 members — spanning FTE, contractors & service providers — aligning technical execution with strategic business goals, and delivering robust, scalable solutions optimized for performance and user experience in cloud environments like AWS and GCP.

My most recent hands-on technical projects have included leveraging Large Language Models (LLMs) — such as OpenAI GPT, Claude, and Gemini — to develop Retrieval-Augmented Generation (RAG) workflows using frameworks like LangChain in conjunction with Vector databases such as Pinecone and Chroma, to create agent-based context-aware solutions for customer support automation, internal knowledge management, and sales enablement.

Experience

Work history, roles, and key accomplishments

CL
Current

Principal Engineer

Contacto Local

Apr 2023 - Present (2 years 2 months)

• Orchestrated SaaS platform development for validation and pricing services in the electronics, automotive, and real estate sectors.
• Engineered AI pricing models & agent development using 1st-generation tech & newer LLMs with RAG-Vector DB architectures.

PL

Principal Engineer

Plenty

Aug 2019 - Apr 2023 (3 years 8 months)

• Designed and implemented a custom LIMS, optimizing food safety and plant science ops, achieving a 50% cost savings over turn-key LIMS
• Developed critical software for equipment tracking and BI reporting, enhancing operational transparency and decision making.• Designed

CS

CTO - Co-founder

Clean Data Sets

May 2016 - Mar 2019 (2 years 10 months)

• Pioneered a cloud-based data cleansing platform using OpenRefine and big data APIs, scaling on AWS to meet diverse user needs.
• Led technical and business development, driving platform adoption and user engagement.

SD

Principal Engineer

Scrape Defender

Jun 2013 - Apr 2016 (2 years 10 months)

• Architected migration of anti-scraping software from PHP to Python, enhancing processing capabilities for high-volume web-scraping tasks.
• Directed development processes, ensuring robust module creatino and system reliability.

HE

VP of Engineering

HB Global Enterprises

Dec 2009 - May 2013 (3 years 5 months)

• Led re-engineering of government waterworks systems, improving software and infrastructure, ensuring compliance with quality standards.
• Managed stakeholder relationships, preventing fines and enhancing project delivery.

Education

Degrees, certifications, and relevant coursework

CL

Contacto Local

Principal Engineer, Software Engineering

2023 -

Technical and business development leader for SaaS focused on pricing engine, legal/technical validation and marketplace for electronics, automotive and real estate. Lead team to develop data models, micro-services and integrations with government registries & commercial providers, as well as the implementation of UIs/dashboards for end users.

PL

Plenty

Principal Engineer, Software Engineering

2019 - 2023

Designed software services for vertical farming start-up. Built custom LIMS to support food safety and plant science departments, representing a savings of $500K vs. purchasing a configurable off the shelf LIMS. In addition, supported development of other mission critical software for equipment tracking, produce release and BI reporting.

CS

Clean Data Sets

CTO - Co-founder, Software Engineering

2016 - 2019

Technical & business development leader for cloud-based data cleansing platform, built on OpenRefine and other big data APIs. Technical platform built on AWS with ability to cost-effectively scale to thousands of user/groups with varying needs of storage space & processing power.

SD

Scrape Defender

Principal Engineer, Software Engineering

2013 - 2016

Lead architect migrating anti-scraping security software application from PHP to Python. Coordinated set up of development & production processes & resources. Lead engineer for module capable of processing up to 50K web-scraping tasks per hour and lead for front-end responsive design, with a budget of $250K.

HE

HB Global Enterprises

VP of Engineering, Engineering Management

2010 - 2013

Lead re-engineering of government waterworks systems including billing and census sub-systems, with analysis of application software, hardware and network infrastructure. Coordinated with US and Mexico based contractors an overall improvement of the sub-systems to comply with the government's quality standards and avoid recurring fines.

Tech stack

Software and tools used professionally

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Daniel Rubio - Principal Engineer - Contacto Local | Himalayas