Software Engineer

WesleySoto.

I build software that makes complex work simpler.

Full-stack applications, data pipelines, and the infrastructure that brings them to production.

Explore my work Get in touch

A study in orchestration

Sources · Workflows · Delivery

From data sources to systems people use.

6 figures
annual savings from RDF
$3M+
projected claim-payout impact
5
production codebases in parallel

Round Rock, Texas

Currently at UnitedHealthcare

01 / Experience

Building from the ground up.

UnitedHealthcare
Software Engineer
Jan 2022 — Present
- Designed and built RDF, a Python and Prefect platform that replaces legacy reporting and automates claims feeds.
- Build and maintain full-stack applications for claims search, audit, review, and self-service reporting.
- Own platform delivery across projects, including Kubernetes, SSO, CI/CD, and cloud infrastructure.
Optum
Software Engineer
Sep 2019 — Jan 2022
- Built Python and Node.js automations for manual, license-heavy processes.
- Delivered $572K in capital savings and $210K in annual recurring savings in my first year of coding.
- Worked across Oracle, SQL Server, Sybase, and MongoDB.

02 / Selected work

What I’ve built.

UnitedHealthcare / Sole architect

RecurringDataFeeds

Automated reporting and claims feeds.

I designed and built RDF with Python and Prefect on Kubernetes to replace legacy SSIS workflows and consolidate SAS reporting.

More about RDF

Built with

Python
Prefect 3
Kubernetes

Result: 6 figuresannual recurring savings

QRTPrimary engineerClaims search, audit & review.

Hybrid Express + Next.js platform for claims search, audit creation, and review over SQL Server, Hive, and MongoDB. 900+ commits across the stack — from query layers to review workflows.

Next.js
Express
TypeScript
SQL Server
Hive
MongoDB

DataOnDemandLead engineerSelf-service reporting.

Next.js self-service report catalog. Migrated report metadata from SQL Server to MongoDB and executes read-only reports across 7+ engines: SQL Server, Db2/Cosmos, Oracle, Snowflake, and Databricks.

Next.js
MongoDB
SQL Server
Snowflake
Databricks
Oracle
Db2/Cosmos

Fastbase + DOC360ContributorWorkflow & document automation.

React/Next + Node/MongoDB app replacing Excel/OneNote workflows. Built the DOC360 document feed in RDF to retrieve and email documents automatically.

React
Next.js
Node
MongoDB
Prefect 3

03 / About

From the application to production.

I work across applications, data pipelines, and infrastructure. My focus is to solve the business problem, simplify the workflow, and make the result measurable.

Languages & frameworks: TypeScript / JavaScript · Python · React / Next.js · Node / Express
Data & pipelines: Prefect 3 · pandas · ETL architecture · Databricks · Snowflake
Datastores: SQL Server · Oracle · MongoDB · Db2 / Cosmos · S3
Platform & delivery: Kubernetes · Azure / GCP · CI/CD · Artifactory · Vault · SSO / OIDC

Financial Analysis coursework, 2012 — 2018 · Inter-American University of Puerto Rico — Metropolitan Campus

Spanish & English · Native / bilingual

04 / Contact

Let’s talk.

If your team needs someone who can build across the stack and carry the work through to production, I’d like to hear about it.

Message me on LinkedIn soto.wesley@gmail.com