Computer Science
Data structures, algorithms, operating systems, computer architecture, networking, theory of computation and software engineering.
Tutoring & technical consulting • Greater Houston + Online
Expert Tutoring in Computer Science, AI & Mathematics
Personalized. Effective. Results.
Build genuine understanding and confidence through personalized 1-on-1 instruction—or get focused technical guidance for a professional challenge—from an experienced Ph.D. computer scientist and mathematician.
No long-term commitment required. Tutoring and consulting are tailored to your course, project, exam, technical challenge, or professional goal.
5.0★Student rating
394+Wyzant ratings
889+Tutoring hours
Houston-wideIn-person by arrangement
Areas of expertise
Focused help from fundamentals to advanced technical work
Bring a course, assignment, exam, coding project, research concept, professional technical challenge, or long-term learning goal. Every engagement is organized around what you need to understand and accomplish.
AI, ML & Data Science
Machine learning, deep learning, neural networks, computer vision, NLP/LLMs, multi-agent systems, model evaluation and data analysis.
Programming
Python, C, C++, Java, JavaScript, Dart/Flutter, R and related programming concepts, debugging, design and project support.
Mathematics
Algebra, trigonometry, calculus, linear algebra, probability, statistics, discrete mathematics and mathematical foundations for computing.
Cloud & Software Development
AWS, Azure, Google Cloud, Firebase, web/mobile development, APIs, architecture, Git and practical software-project guidance.
Projects & Technical Mentoring
Structured support for capstones, portfolios, independent projects, technical interviews and learning plans—without replacing the student’s own work.
Not sure whether your need fits?
Send the course name, syllabus, assignment, project description, architecture question, or technical topic. I’ll tell you whether it matches my expertise before you book.
Professional consulting
Advanced technical guidance for professionals and teams
Need more than tutoring? I also provide focused consulting for professionals, independent developers, technical leaders and small teams working through complex AI, cloud, data and software decisions.
- Clarify architecture and technology choices before committing engineering time.
- Review prototypes, workflows, code or system designs and identify practical next steps.
- Work through advanced concepts with enough depth to support sound technical decisions.
- Use a focused consultation for one problem or continue with multi-session technical mentoring.
Available online worldwide and in-person throughout Greater Houston by arrangement.
AI, ML & GenAI Systems
Machine-learning strategy, LLM and RAG applications, agentic workflows, evaluation, prototyping, model integration and practical AI-system design.
Cloud & Solution Architecture
AWS, Azure and Google Cloud architecture, APIs, distributed systems, deployment choices, integration patterns and cloud implementation planning.
Data & Analytical Workflows
Python and data-science workflows, machine-learning pipelines, experimentation, analytical problem-solving, model performance and technical interpretation.
Software & Technical Advisory
Architecture and code review, debugging strategy, proof-of-concept design, software-engineering decisions, technical mentoring and skill-development planning.
About Dr. Julio Gallardo
Academic rigor with practical technical experience
I am a computer scientist and mathematician who enjoys making difficult ideas clear, manageable and useful. The goal is not simply to finish a problem—it is to help you understand the underlying ideas well enough to apply them independently.
Ph.D.Computer ScienceUniversity of Bristol, UK
M.Sc.Computer ScienceCINVESTAV, Mexico
B.Sc.MathematicsCIMAT, Mexico
Built for understanding
Concepts are explained from multiple angles—intuitive, visual, mathematical and computational—then reinforced through worked examples and guided practice.
Real technical context
Research and industry experience helps connect classroom concepts to software systems, AI applications, engineering tradeoffs and real problem-solving.
University of Bristol, UK
Verified academic credentials
Formal academic preparation in mathematics and computer science
Selected degree credentials are shown below to give students, parents and professional clients an additional way to verify my academic background. Click any credential to view a larger copy.
View credential
Doctoral degree
Ph.D. in Computer Science
University of Bristol, United Kingdom
View credential
Master's degree
M.Sc. in Computer Science
CINVESTAV, Mexico
View credential
Bachelor's degree
B.Sc. in Mathematics
Mexico
The M.Sc. is presented as Computer Science, consistent with the academic specialization documented in the corresponding thesis and transcripts.
How tutoring works
A simple process designed around your learning or technical goals
Tell me what you need
For tutoring, share the subject, course, current level and deadline. For consulting, describe the business or technical objective, current architecture or constraints, and the decision or problem you need help resolving.
We work interactively
Depending on the engagement, we use explanation, diagrams, worked problems, live coding, architecture review, screen sharing, prototyping and guided problem-solving.
You leave with a next step
We finish with clear conclusions and next actions—whether that means study priorities, implementation options, technical recommendations, or a plan for the next working session.
In-person across Greater Houston
I am available to travel throughout the Greater Houston area for tutoring and professional consulting by arrangement. Meeting location, timing and travel feasibility are confirmed in advance.
Online from anywhere
Interactive tutoring and consulting through Zoom, Google Meet or Microsoft Teams, with screen sharing, live coding and technical review when useful.
Student feedback
Trusted for clarity, patience and technical depth
Your Wyzant profile currently shows a 5.0 rating from 394 ratings and 889 tutoring hours. The cards below are concise summaries of all 14 written reviews currently displayed on the profile; use the Wyzant link to read the original wording.
★★★★★
Advanced AI/ML guidance
Highlights broad AI/ML expertise, patience, versatility, and the ability to make difficult graduate-level concepts easier to understand.
★★★★★
Thorough, supportive mentoring
Praises teaching that adapts to the student’s level, detailed post-lesson summaries, and the confidence her son has gained.
★★★★★
Long-term exam & coursework support
Describes knowledgeable, patient help with exam preparation and difficult homework topics across a long-term tutoring relationship.
★★★★★
Programming confidence
Praises patient, knowledgeable help with programming topics including Linux and C++, and says the session increased confidence.
★★★★★
Statistics exam preparation
Notes patient explanations of core statistics notation, P-values and F-values while preparing for an upcoming exam.
★★★★★
Data understanding
Highlights help understanding data, applying it effectively to a task, and reviewing important concepts along the way.
★★★★★
Goal-focused and organized
Appreciates being asked about learning goals before the session and reports substantial progress during a detailed lesson.
★★★★★
Patient mentorship
Describes Julio as very patient and hardworking when explaining concepts and solutions, and strongly recommends the mentorship.
★★★★★
Confidence and value
Says the teaching inspired confidence, delivered what was requested, and provided strong value.
★★★★★
Genetic algorithms & Python
Reports making major progress on a genetic-algorithm problem and learning a great deal about Python in a short period.
★★★★★
Tableau explained clearly
Praises clear Tableau explanations, the usefulness of the session, and the value received.
★★★★★
Prepared Tableau support
Highlights knowledgeable and patient help on a Tableau assessment, including preparation from materials sent before the lesson.
★★★★★
Java & Android support
Describes the session as respectful, kind and supportive, with strong knowledge of Java and Android application tools.
★★★★★
Approachable programming tutor
Emphasizes approachability and deep programming knowledge, especially when helping a student get unstuck on difficult concepts.
Review summaries are paraphrased from public feedback on Wyzant. Reviewer names and lesson counts are shown as displayed on the profile.
FAQ
Before your first session
A few practical questions students, parents and professionals often ask before booking.
What levels do you tutor?
Sessions can support high-school, college, undergraduate, graduate and professional learners. Advanced consulting is also available for working professionals and technical teams. The right format depends on the subject and your specific goal.
Can you help with assignments and projects?
Yes—through explanation, debugging, design guidance, examples and guided problem-solving. The objective is to help you produce and understand your own work, consistent with academic-integrity requirements.
Where can we meet in person?
I am based in Cleveland, Texas and am willing to travel throughout the Greater Houston area for in-person tutoring or consulting. Include your city or neighborhood in the inquiry so we can confirm a practical meeting location and schedule before booking.
Do you consult with professionals and technical teams?
Yes. Consulting can cover advanced AI/ML and GenAI/LLM systems, cloud and solution architecture, data workflows, software design, technical reviews, prototypes and professional mentoring. Engagements are scoped around the specific technical problem and desired outcome.
How do online sessions work?
Online tutoring and consulting can use Zoom, Google Meet or Microsoft Teams. For programming and technical subjects, screen sharing, live coding, architecture discussion and collaborative problem-solving are used as appropriate.
What should I send before the session?
For tutoring, send the course/topic, learning goal, relevant instructions or syllabus, and the concepts causing difficulty. For consulting, send a concise description of the objective, current system or workflow, constraints, relevant technology stack, and the decision or outcome you need.
Tutoring & consulting inquiries
Tell me what you’re working on
For the fastest evaluation, tell me whether you need tutoring or professional consulting, the topic or technology, your goal, preferred online/in-person format, and any deadline. For in-person requests, include your Greater Houston location.
info@cmgtutoring.com
Greater Houston, Texas • In-person by arrangement
Online worldwide • Tutoring & professional consulting