DAVID DOMINGO

Engineering Lead · Staff / Principal Engineer

LV 9915+ Years of Experience

Character Stats

Frontend Dev99/99

Backend Dev95/99

DevOps65/99

Cloud Engineering65/99

Leadership75/99

Consulting80/99

Weapons of Choice

Character Bio

Engineering leader and Staff/Principal-level Software Engineer with 15+ years building scalable, event-driven systems and high-performance frontends.

Deep experience across architecture, integrations, and cloud platforms (AWS, Kubernetes). Known for accelerating teams, modernizing infrastructure, and delivering durable, developer-friendly platforms.

Focus areas: integrations, payments, microservices, CI/CD, observability, and data pipelines.

Quest Log

Engineering Lead

Phoenix Ecommerce Technologies — Mooresville, NC — Remote

Feb 2026 - Present

TECH: React, React Router, NestJS, AWS (EKS), MySQL, Cloudflare Workers, GCP, BigQuery, ClickHouse, Datadog, Claude Code

Lead the payments team across a React + React Router checkout, a custom server-rendered React portal, and a NestJS backend on AWS EKS (MySQL), with Cloudflare Workers and analytics on GCP, BigQuery, and ClickHouse
Hardened Shopify webhook handling for resiliency and reliability, and introduced reconciliation across every payment gateway (previously unhandled)
Improved database performance ~34% across all queries and eliminated lock contention by switching transaction isolation from Repeatable Read to Read Committed
Raised every service SLO from two/three nines to four nines across availability, latency, and 5xx error rate
Built multiple Datadog dashboards for webhook and log observability, clearing a backlog of recurring production errors
Champion an AI-driven SDLC with Claude Code for code generation, evaluation, and debugging

Senior Staff Engineer

PetScreening — Mooresville, NC — Hybrid

Dec 2025 - Mar 2026

TECH: Next.js, React, Ruby on Rails, Spring Boot, Kotlin, TypeScript, NX, NATS, AWS (EKS, S3, SQS, RDS, Lambda), Snowflake, Pulumi

Set technical direction, architecture, and strategy across effectively every engineering project at the company
Defined best practices for resilient, reliable partner integrations — webhook queuing, polling for updates, and two-way sync — with PetScreening's largest partners
Partnered with the incoming Principal Engineer to shape the tech stack and roll these standards out
Kick-started Project Paws, a stealth AI-driven initiative supporting the animal-assistant verification (reviewer) team
Continued leading the decoupling of the Ruby on Rails monolith into domain-oriented services

Staff Solutions Engineer

PetScreening — Mooresville, NC — Hybrid

Jul 2025 - Dec 2025

TECH: Kotlin, Java, Spring Boot, Go, NestJS, NATS, EKS, AWS, Kubernetes, OAuth/Webhooks

Architected and released FidoAlert V2 using NestJS, BullMQ, and React+TanStack
Architected standardized, event-driven partner integrations using Kotlin and Spring Boot
Built and operated a core webhook routing service in Go
Led external design sessions for scalable integration designs and SLAs

Staff Software Engineer

PetScreening — Mooresville, NC — Hybrid

Jan 2024 - Jul 2025

TECH: AWS (API Gateway, SQS, ECS, Lambda), CDK, Pulumi, Docker, Terraform, CI/CD, Feature Flags

Scaled engineering from 2 to 15 (650%) while establishing architecture guardrails
Championed trunk-based development and feature flags
Designed the core partner-integration backbone with AWS API Gateway, SQS, and ECS
Modernized cloud IaC: introduced AWS CDK and guided migration to Pulumi
Managed and mentored a distributed team across 7 product streams

Senior Software Engineer

ParetoHealth — Remote

Apr 2023 - Jan 2024

TECH: Angular, TypeScript, SASS, AppSync, DynamoDB, Lambda, Node.js, AWS, Design Systems

Rebuilt the company design system in Angular with custom SASS utility framework
Built internal apps on a serverless backend to streamline operations
Implemented a serverless data stack with DynamoDB and TypeScript Lambda resolvers

Senior Software Engineer

Bonus Homes — Remote

Jun 2022 - Mar 2023

TECH: AWS (EventBridge, Lambda, ECS, S3), CDK (TypeScript), Node.js, Apollo GraphQL, Python, FastAPI, Next.js

Architected an event-driven ETL pipeline with AWS EventBridge, Lambda, and ECS
Delivered GraphQL and REST APIs powering a Next.js app and internal tools
Owned the full product lifecycle across infra, backend, and frontend

Software Engineer

Sunday — Remote

Apr 2022 - Jun 2022

TECH: React, Spring Boot (Java), Postgres, GCP, Kubernetes, Stripe, Toast POS, CI/CD

Shipped payments and checkout features integrating Stripe and Toast POS
Refactored checkout UI and added Swile Mastercard detection
Maintained services across React, Spring Boot, and Postgres on GCP/Kubernetes

Senior Consultant

Slalom — Charlotte, NC

Aug 2020 - Feb 2022

TECH: Angular, Python, FastAPI, Snowflake, Docker, Dev Containers, Terraform, CI/CD

Cut new-hire onboarding from days to minutes using dev containers
Led migration from Scala/Teradata to Python/FastAPI and Snowflake
Led Angular frontend for an internal B2B analytics tool

Side Quests

My B.S. is in Multimedia Engineering — so for fun, I bring the multimedia that raised me back to life. These are faithful, open web rebuilds of the 90s Microsoft Home CD-ROMs I grew up on, freed from their original discs (with help from a swarm of AI agents) so any kid can explore them again.

Dangerous Creatures

Microsoft Home · 1994

Rebuilt the beloved wildlife encyclopedia as a modern, accessible web app — 66 creatures in dual Modern + Classic 1994 modes, with narrated guided tours and mini-games.

BUILT WITH: Astro · multi-agent AI text-liberation pipeline · SZDD image decompression

▶ Play it

Oceans

Microsoft Home · 1995

93 sea creatures, habitats, and ocean-science topics, with 18 narrated guided tours and the original full-motion video brought back to the browser.

BUILT WITH: Astro · vision-model OCR · ffmpeg media restoration

▶ Play it

Dinosaurs

Microsoft Home · 1993

166 dinosaurs and prehistoric topics — each with spoken name pronunciation, fast facts, 16 guided tours, and a Classic 1993 mode.

BUILT WITH: Astro · 333-agent transcription workflow · pnpm monorepo

▶ Play it

Cover artwork © Microsoft Corporation (1993–1995), from the original Microsoft Home — Exploration SeriesCD-ROMs. Shown to identify these non-commercial, educational fan rebuilds; not affiliated with or endorsed by Microsoft.

Early Career (2014-2020)

Lead Developer

PayTomorrow — Cornelius, NC

Dec 2017 - Aug 2020

Built microservice architecture from the ground up (Java Spring Boot, Angular) and observability/deployment foundations.

Additional roles across full-stack engineering, integrations, and performance tuning (2014-2017) at Wefox, GetFinancing, and MOCA Platform in Barcelona, Spain.

Achievements Unlocked

M.S., High Performance Web DevelopmentLa Salle Universitat Ramon Llull — Barcelona

B.S., Multimedia EngineeringLa Salle Universitat Ramon Llull — Barcelona

Languages Mastered

English(Native)

Spanish(Native)

Catalan(Native)