Index · HTML Nick Sanchez — Business & Data Analyst

Business & Data Analyst · Dashboards · Data Quality · Operations

Messy data, made decision-ready.

I like the unglamorous part of analytics: reconciling numbers until they hold up, structuring data nobody has organized yet, and building dashboards where every figure traces back to its source. I've done that across healthcare IT, retail and pharmacy operations, nonprofit programs, and public datasets in transit, media, advertising, and municipal services — with the SQL for the last one published.

Palmetto, FL · Tampa Bay Remote or on-site to Tampa Available January 2027 English / Español

01 — About

I learned data where the stakes were concrete

Four years as a certified pharmacy technician taught me what bad data actually costs. A rejected insurance claim isn't an abstraction at the counter — it's a person waiting while you work out which field is wrong. That's what pushed me toward the systems side, and it's still how I think about analytics: someone downstream has to act on this, so it had better be right.

I'm finishing a B.S. in Business Analytics and Information Systems at the University of South Florida (December 2026), and this summer I've been a business analyst intern at Veradigm, working on partner-program analytics, support-operations analysis at scale, and internal data-quality tooling.

The work travels. A fragmented reporting problem looks the same whether the records are certifications, invoices, or shipments. Ticket queues behave like ticket queues in every industry. I've run analysis on healthcare data, nonprofit program outcomes, retail transactions, and open public datasets covering transit ridership, video performance, and ad spending — and the method didn't change much between them.

I use AI tools openly for build speed, then verify the output myself, field by field, against source data. Faster is worthless if it's quietly wrong.

Currently
Business Analyst Intern, Veradigm
Education
B.S. Business Analytics and Information Systems, USF · Dec 2026 · GPA 3.4
Core tools
SQL · Excel · Power BI · Tableau · Python
Also certified
Google Ads AI-Powered Performance · CPhT · Certiport Entrepreneurship & Small Business
Looking for
Business analyst · data analyst · BI · operations analyst
Languages
English · Spanish (fluent)

02 — What I Do

The problems I'm built for

These are industry-agnostic. The domain changes what the records are called; it doesn't change the work.

Fragmented reporting

Numbers scattered across workbooks and systems, where no two answers match. I consolidate them into one traceable view.

Unstructured operational data

Thousands of free-text records nobody has categorized. I build the taxonomy, apply it fully, and make the distribution visible.

Baselines & KPI definition

An initiative with a goal but no starting line. I establish what "today" measures so progress becomes provable.

Data quality & validation

Reconciling outputs against source systems, finding what doesn't tie, and cutting figures the evidence won't support.

Dashboards & internal tools

Interfaces built around the first thirty seconds: what's wrong, where, and how serious — before anyone clicks.

Service & support analytics

Where volume concentrates, what's deflectable, and which segment of customers or vendors drives the load.

Domains I've worked in
Healthcare IT & EHR ecosystems Insurance claims Pharmacy & retail operations Partner / vendor marketplaces Nonprofit program data Transit & mobility Media & advertising

03 — Case Studies

Selected work

Three projects from my Veradigm internship, one cross-industry analysis set, and one independent SQL project with the code published. The internship work is written to respect confidentiality: aggregate figures only, no client or vendor names, no internal system detail. Each one notes where the same approach transfers.

01

Three workbooks, one dashboard, zero untraceable numbers

DATA CONSOLIDATIONRECONCILIATIONSTAKEHOLDER REPORTING

The problem

A partner program's reporting lived in separate workbooks — one for certifications, one for client activation requests, one for subscription accounts. Answering a basic program question meant opening all three, and no two answers were guaranteed to agree.

What I did

Consolidated 3,000+ records into a four-tab analytics dashboard with a shared structure across views. Every metric drills down to the underlying records and exports to CSV, so any number on screen can be traced and taken away by whoever's asking.

The judgment call

Before shipping I reconciled the dashboard field by field against the source workbooks and dropped every figure the sources couldn't support. Trust was the actual feature: a metric nobody can trace gets ignored, and a wrong one gets remembered.

Outcome

Questions that used to require three files now have one answer in one place. It took 17 versions of stakeholder feedback and reconciliation passes before I called it done.

3,000+records consolidated
4integrated views
100%metrics traceable to source

Transfers toSales and revenue ops reporting, vendor and supplier programs, finance reconciliation, membership or subscription reporting — anywhere the same entity is tracked in more than one system.

02

Finding where support burden actually comes from

TAXONOMY DESIGNOPERATIONS ANALYSISPERFORMANCE ENGINEERING

The problem

A support-reduction initiative had a goal but no starting line. Roughly 11,000 support tickets across 700+ vendor accounts existed only as unstructured titles in a queue. Nobody could say where the burden came from, so nobody could prove it was shrinking.

What I did

Derived a two-level classification taxonomy (12 categories, ~35 topics) from the free-text titles and applied it across the full dataset with zero records left uncategorized. That exposed the distribution for the first time: a small group of accounts drove nearly half of all volume, and self-service opportunities clustered in a handful of predictable categories.

The judgment call

The analysis shipped as a self-contained browser dashboard that started at 2.3 MB — too heavy to share. I rebuilt the data layer with dictionary encoding, column-oriented storage, and compression, cutting it to 466 KB, then verified full data parity myself across every record and field before anyone saw it.

Outcome

The initiative got measurable baselines for its key results, and leadership got a shareable view of where support effort actually goes instead of anecdotes about it.

~11Ktickets analyzed
0uncategorized records
4.9×smaller payload, full parity

Transfers toCustomer support and success analytics in any industry, SaaS onboarding, call-center and service-desk operations, ecommerce returns analysis, IT service management — every queue-based system has this same hidden concentration.

03

An internal tool for people who can't see their own data

UX & VISUALIZATIONALERT DESIGNTEAM OF 4 · 5 WEEKS

The problem

Analysts working inside a client's data had no easy way to see when data quality slipped, or where. Our four-person team entered the company's internal innovation challenge with a data-quality monitoring dashboard, and five weeks to make it real.

What I owned

Two of six workstreams: the interface and the alerting. The design rule for the interface was the first thirty seconds — opening it should tell you what's wrong, where, and how serious, before you click anything. The alerting side was about who gets told when a metric slips, and how to route that without drowning people in noise.

The judgment call

Access control shaped the design as much as usability: views masked by default, small groups suppressed to protect individuals, every data reveal written to a log. And a week before presenting, we cut every claim the shipped code didn't actually back — our refresh ran on a daily cycle, not in real time, and saying so plainly beat getting caught on it in Q&A.

Outcome

We presented to a senior leadership panel and took five minutes of questions harder than any of our dry runs, which is what we'd practiced for. Precise beat polished.

15:00on the leadership clock
2 of 6workstreams owned
30stime-to-understanding target

Transfers toInternal tooling and admin interfaces, data governance and observability programs, alerting and on-call design, any product where role-based permissions and audit trails matter — finance, HR systems, education, government.

04

A dozen public datasets, four unrelated industries

TABLEAUEXCEL MODELINGEXPLORATORY ANALYSIS

The problem

Through USF's Global Career Accelerator, I worked through roughly a dozen public datasets from domains with nothing in common: transportation, streaming media, municipal transit, and advertising.

What I did

Built Tableau dashboards and Excel models across NYC taxi fare data, YouTube trending-video performance, BART ridership, and Super Bowl advertising — using calculated fields, PivotTables, and XLOOKUP to surface behavioral and distribution patterns in each.

Why it's here

It's the clearest evidence that my method isn't domain-bound. Different subject matter, same discipline: understand how the data was collected, find what's missing or miscoded, then look for the pattern that answers an actual question rather than the one that looks good on a chart.

~12public datasets
4unrelated domains

Transfers toAny analyst role where you'll be handed unfamiliar data and expected to get oriented fast — which is most of them.

05

Where a city’s work concentrates, answered in SQL

SQLWINDOW FUNCTIONSDATA QUALITYPUBLIC DATA

The problem

Every city runs a queue. Someone reports a pothole, a broken heater, a rat, and that report joins millions of others. New York publishes all of it, so I took the same question I’d asked of a support-ticket backlog and asked it of a city: where does the volume actually concentrate, how long do people wait, and which addresses report the same problem over and over?

What I did

Wrote seven query modules against millions of 311 service requests, with SQL doing the analytical work rather than pulling rows out for pandas to handle: running totals for Pareto concentration, LAG partitioned by address and complaint type to find repeat events, LAG(n, 12) for year-over-year change, RANK within complaint type so agencies handling different work aren’t compared unfairly, percentile aggregation for median and p90 wait times, and conditional aggregation for the data-quality audit.

The judgment call

A meaningful share of records close before they open. That’s impossible. Deleting them understates how much work came in; keeping them produces negative durations that drag every median down. I kept them in volume counts, excluded them from duration math only, and flagged them — with the reasoning written into the SQL beside the code that implements it, not buried in a script. The audit query reports the exact share so a reader can judge whether it’s small enough to live with.

What I’d point to

A 28-assertion test suite that checks whether queries are correct, not merely whether they execute. It caught two bugs that would have shipped plausible wrong answers: a GROUP BY that silently split a window partition and undercounted repeat complaints, and a query returning zero rows because the test fixture gave every complaint type exactly one agency. The second one is the failure mode I think about most — a query that errors gets fixed, a query that runs and returns nothing gets shipped.

7query modules
28correctness assertions
2logic bugs caught
0hand-typed findings

Code, SQL, and full findings on GitHub →

Transfers toAny operational queue — service desks, claims backlogs, work orders, permit pipelines, case management. The concentration and repeat-event patterns behave the same way whatever the records are called, and the data-quality questions are always the ones that decide whether the answer holds.

04 — Experience

Where I've worked

Jun 2026 — Aug 2026

Business Analyst Intern · Veradigm

Partner program & developer platform operations · Remote

  • Built a four-tab analytics dashboard consolidating 3,000+ certification, client-activation, and subscription records, with record-level drill-down and CSV export on every metric.
  • Analyzed ~11,000 support tickets across 700+ vendor accounts to baseline a support-reduction initiative; found a small group of accounts drove nearly half of all volume.
  • Cross-referenced a 512-account aging report against ~9,400 vendor records under a same-day deadline, delivering verified matches classified by license status while excluding low-confidence matches to avoid false positives.
  • Owned interface design and alert routing for a four-person team's data-quality dashboard, presented to senior leadership at the company's internal innovation challenge.
  • Audited and rewrote partner listings across a public marketplace against a standardized content framework, coordinating validation outreach with dozens of vendor partners.
Aug 2022 — Present

Pharmacy Technician · CVS, then Walmart

Palmetto & Bradenton, FL

  • Four years of high-volume transaction processing, data entry, and insurance claims resolution in enterprise systems, under strict accuracy and confidentiality standards. CPhT earned Dec 2025.
  • Analyzed prescription and operational data to support workflow efficiency and error reduction during peak periods; trained team members on digital workflows.
Jan 2022 — Jan 2023

Volunteer Data Analyst · Turning Points

Nonprofit social services · Bradenton, FL

  • Cleaned, validated, and reconciled datasets to improve reporting accuracy and reliability.
  • Analyzed service-utilization and outcome data to identify trends supporting program evaluation and grant reporting.

05 — Skills

What I work with

Analytics & data

  • SQL — joins, CTEs, window functions, percentiles
  • Excel (advanced: PivotTables, XLOOKUP, SUMIFS)
  • Power BI
  • Tableau
  • Python
  • Data cleaning, validation & reconciliation
  • Dashboard design & development
  • Trend & distribution analysis

Business & operations

  • Requirements gathering
  • Stakeholder communication & reporting
  • KPI & baseline definition
  • Process & workflow analysis
  • Technical documentation
  • Cross-functional collaboration
  • AI-assisted analysis, hand-verified

Domain & systems

  • EHR / EMR ecosystems
  • Insurance claims workflows
  • Pharmacy & retail operations
  • Enterprise POS & healthcare systems
  • Compliance-sensitive data handling
  • HTML / CSS · JavaScript (basic)
  • English / Spanish (fluent)

06 — Contact

Let's talk

nminaya04@gmail.com

Open to business analyst, data analyst, BI, and operations analyst roles across industries. Remote, or on-site anywhere in Tampa Bay. Starting January 2027 — conversations welcome now.