Software engineer — complex systems

Systems behind healthcare data and industrial machines.

Healthcare interoperability, industrial edge platforms, and performance engineering — built for domains where being wrong is expensive.

Selected work

All work

Experience

2025 — Present

Software Engineer

A healthcare data infrastructure company

FHIR · Rust · Python

Recent

Software Engineering — Labcorp (client)

Via an enterprise software services firm

X12/EDI · Validation · Backend

2022 — 2025

Fullstack / Backend Engineer

An enterprise software services firm

Python · GCP · React · Performance

2021 — Present

Independent Engineering Work

Products · Consulting · Prototypes

Capabilities

Healthcare Engineering

HL7 FHIRSQL-on-FHIRX12/EDIClaims validation

Backend & Systems

PythonRustGoNode.jsNestJSFastAPIPostgreSQLMongoDB

Cloud & Infrastructure

GCPAWSDockerKubernetesCI/CD

Industrial & Edge

OPC UAIgnition EdgeCODESYSEdge connectivity apps

Product Engineering

ReactTypeScriptAngularProduct requirementsMVPs & prototypes

Fireye: Winning Our Green Ideas + AI Innovation Challenge

How Fireye, our AI-powered sustainability MVP, won AssureSoft’s Green Ideas + AI Innovation Challenge on World Environment Day.

Read the article

About

I started in mechatronics engineering and moved into software through industrial automation and applied machine learning. I work from Bolivia, in English and Spanish, on systems that sit close to the physical world or to regulated data.

More about how I work

Contact

Have a system that needs to be right?

I'm open to conversations about healthcare interoperability, industrial platforms, and performance work — or anything adjacent that needs careful engineering.

© 2026 Douglas Rojas

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