~/ andresislas.dev · v2026.05
§01

What I do

05 entries
01 Backend & systems engineering Designing and building new backend services, or modernizing existing systems that have outgrown their architecture. ·
02 Data platforms & BI integrations Building reliable data pipelines and business intelligence integrations, including Domo, Tableau, and the infrastructure beneath them. ·
03 End-to-end product builds Delivering complete products — backend, web, mobile, and deployment — when a project needs a single engineer to own the full stack. ·
04 Systems audit Reviewing existing systems for reliability, scalability, and architectural risk before they become production problems. ·
05 Relational database design Designing relational schemas and migration strategies built to stay maintainable as the system grows. ·
§02

Technologies

11 entries
Frontend
React 7y TypeScript 7y
Backend
Python 6y Go 4y Rust 1y
Mobile
Swift / SwiftUI 6y / 3y Kotlin / Compose 3y / 2y
Infrastructure
Postgres · Kubernetes · GraphQL / gRPC · AWS / Azure / GCP ·
§03

Industries

03 entries
01 Healthcare Clinical platforms and EHR-adjacent systems, with careful handling of patient data and audit requirements. ·
02 Warehousing & logistics WMS integrations and SAP bridges across multi-warehouse operations. ·
03 Retail / POS Point-of-sale modules and multi-tenant business intelligence rollouts. ·
§04

Selected work

04 entries
01 Principal Software Engineer · Epicor Backend engineering on a retail and POS platform. Designed and shipped the BI integration that automates a Domo connection for every customer tenant. 2024 — now
02 Engineering Lead · Genmedicus Health Led engineering on a clinical platform that was acquired by a hospital system. TypeScript and GraphQL backend on Azure, native iOS and Android, React web. 2021 — 2024
03 BI Tech Lead · CHRISTUS CEI Led data and software for a healthcare-services spinoff. React and Python product development, Tableau pipelines, Azure and GCP infrastructure, and networking across interconnected clinics. 2019 — 2021
04 Software & WMS Engineer · EsipoTech WMS integrations between SAP and JASCI for multi-warehouse clients. Domo administration and internal Android and iOS applications. Java, PHP, and AWS. 2015 — 2019
cat /work →
§05

Writing

01 entries
01 Postgres advisory locks are an underrated feature 2026 — 03
ls /writing →
§06

Get in touch

Get in touch.

I read every message and reply to most. The form below is protected by Cloudflare Turnstile.

You can also reach me on LinkedIn or GitHub.