Data operations, analytics, websites, and technical systems
I build clearer systems, stronger reporting, and better digital experiences for growing teams.
I work with businesses that need more than a basic fix. From Snowflake, Tableau, and MySQL reporting workflows to HubSpot, Zendesk, website design, and hands-on programming, I help turn disconnected processes into structured systems that support smarter decisions and stronger client experiences.
- 4+ years across operations, analytics, and systems support
- Snowflake, Tableau, MySQL, HubSpot, and Zendesk experience
- Website design, programming, and workflow optimization
About
I bring strategy, systems thinking, and hands-on execution to data-heavy operations.
I am a data operations and systems optimization professional based in Miami Beach, Florida. Over the last several years, I have led workflow improvements, built data tools, solved operational bottlenecks, and translated complex reporting into practical insight for decision-makers.
What clients can hire me for
- Data workflow audits and process optimization
- Dashboard design and KPI reporting systems
- Operational automation and tool standardization
- Cross-functional data support for fast-moving teams
Services
Hands-on technical services focused on clarity, performance, and dependable execution.
Conversion-focused web design
Design clean, professional website experiences that build trust quickly and guide visitors toward inquiry, booking, or purchase.
Responsive website development
Build modern websites that load smoothly, adapt across devices, and give clients a strong digital presence they can confidently share.
Network reliability and support
Strengthen connectivity, reduce avoidable downtime, and help teams work in more stable and secure network environments.
User experience refinement
Improve structure, flow, and usability so people can navigate products more easily and complete tasks with less friction.
Clean and scalable implementation
Deliver organized, readable code that is easier to maintain, expand, troubleshoot, and hand off as a project grows.
Systems and operations support
Help keep essential systems running smoothly with practical support around setup, upkeep, performance, and day-to-day reliability.
Projects
Selected work across analytics infrastructure, support systems, website design, and programming.
These projects reflect the kind of work I enjoy most: improving workflows with tools like Snowflake, Tableau, MySQL, HubSpot, and Zendesk, while also building digital experiences through website design and hands-on programming work.
McDonald's USA | Snowflake, Tableau, MySQL
McDonald's USA KPI Reporting and Systems Optimization
Collaborated with cross-functional teams to design and implement solutions for more than 30 complex data and system issues, improving reporting visibility, decision-making workflows, and KPI alignment across operational teams.
- Used Snowflake, Tableau, and MySQL-driven workflows to support cleaner reporting
- Improved workflow resolution and engagement metrics by 20%
- Increased team output and prioritization efficiency by 25%
Remote Projects | HubSpot, Zendesk
CRM Support Workflow and Validation Framework
Built validation frameworks, support processes, and reporting structures that reduced errors, improved operational flow, and helped teams manage high inquiry volume with stronger consistency.
- Worked across HubSpot and Zendesk environments to improve issue handling
- Resolved 90% of 1,000+ monthly data and system inquiries
- Reduced processing and entry errors by 25%
- Supported 150+ weekly inquiries with 98% reporting accuracy
Personal brand website | Design and development
Garrin Hernandez Portfolio and Client Inquiry Website
Planned and built a modern personal website designed to present services clearly, communicate credibility, and make it easier for potential clients to reach out and start a conversation.
- Structured the site around services, project proof, and conversion
- Added a working contact workflow with backend form handling
- Focused the design and messaging on professional trust and clear business value
Programming practice | Gaming and interactive systems
Interactive Systems and Game Logic Build Experiments
Explored programming projects connected to game logic, interactive systems, and front-end development to strengthen problem-solving, structure, and technical range.
- Practiced building interactive experiences with reusable programming patterns
- Strengthened logic, debugging, and system design skills through hands-on work
- Applied the same attention to structure and usability used in client projects
Project Details
Deeper context behind the systems, tools, and decisions.
Here is a more detailed breakdown of the kinds of challenges I have worked on, how I approached them, and the results they were built to support.
Snowflake, Tableau, MySQL
McDonald's reporting infrastructure and KPI visibility
Worked with cross-functional stakeholders to investigate recurring system and data issues, improve reporting reliability, and create better visibility into performance using analytics and database-driven workflows.
- Used Snowflake and MySQL data structures to support reporting accuracy
- Built clearer KPI visibility through Tableau-style dashboard thinking and analysis
- Helped implement fixes that improved operational consistency and issue response
HubSpot, Zendesk
Remote CRM support operations and response standardization
Built and refined CRM and support workflows that reduced preventable errors, improved response handling, and made recurring tasks easier to manage at scale.
- Improved operational consistency across client-response and support processes
- Reduced manual friction in follow-up, validation, and reporting workflows
- Created repeatable structures that were easier for teams to maintain in HubSpot and Zendesk
Website design, gaming, programming
Portfolio design, web implementation, and interactive programming practice
Developed digital projects ranging from client-facing website design to interactive programming and gaming experiments, all with a focus on usability, structure, and maintainable implementation.
- Built website layouts that communicate offers clearly and support lead generation
- Used programming projects to deepen system design, debugging, and interactive logic skills
- Applied responsive design patterns and clean implementation across digital builds
Experience
Professional experience across analytics operations, systems support, and digital execution.
My experience combines reporting systems, workflow improvement, CRM operations, technical support, and hands-on implementation across both internal operations and client-facing digital work.
Data Operations Manager
Lead data operations strategy, systems integration, reporting workflows, and process improvement across multiple engagements. Delivered measurable gains in productivity, reduced turnaround time, and improved audit readiness through stronger operational structure and tool coordination.
Systems & Data Optimization Analyst
Partnered with cross-functional teams to resolve data and systems issues, improve KPI reporting workflows, and support better operating decisions through analytics, troubleshooting, and process refinement at scale.
Core platforms and technical toolkit
Strong working experience with analytics platforms, CRM systems, documentation, Agile collaboration, workflow management, and operational support for distributed teams that rely on clear reporting and dependable execution.
Engagements
Ways I can support a team or client.
Audit
Workflow and reporting review
Short engagement
Best for teams that need a clear diagnosis of broken data processes, reporting gaps, and immediate improvement opportunities.
Core engagement
Optimization and dashboard buildout
Project-based
A hands-on engagement for teams that need reporting systems, KPI structure, automation, and cleaner operational workflows.
Ongoing
Fractional data operations support
Retainer
Ongoing support for teams that need a trusted operator to improve systems, maintain dashboards, and keep reporting reliable.
"Garrin brings structure to messy operations quickly. The combination of data thinking, documentation, and follow-through makes him especially effective in remote environments."
Operations stakeholder
"The biggest difference was consistency. Reporting became easier to trust, and the team spent less time fixing preventable issues."
Cross-functional project team
Contact
Tell me where your data workflow is slowing the team down.
I am open to project-based work and ongoing support where data operations, reporting, and system reliability matter.