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Andrew A.
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Andrew A.

Ex-Apple/Google | Full Stack AI Engineer | Go, Python, RAG, AI Agents

Hey there! I'm Andrew, a Senior Software Engineer with 𝟏𝟐+ 𝐲𝐞𝐚𝐫𝐬 of experience shipping production apps at 𝐀𝐩𝐩𝐥𝐞, 𝐆𝐨𝐨𝐠𝐥𝐞, 𝐇𝐄𝐁, and 𝐔𝐒𝐀𝐀. Currently at Apple building agentic AI infrastructure. I bring big-tech quality to every project, whether you're a startup racing to launch or an enterprise that needs senior-level help. WHAT I DELIVER • Full-stack web and mobile applications from idea to deployment • Agentic AI systems, RAG pipelines, and intelligent automation • Conversational Voice AI pipelines, including real-time text-to-speech and custom voice cloning • Cloud infrastructure that scales without breaking the bank • Internal tools, admin systems, and APIs built for performance and reliability TRACK RECORD • Apple (current): Lead CLI engineer on Apple's Agentic Platform Team. Building the control plane for deploying and managing AI agents and MCP servers at scale using LangGraph, Ray, and Kubernetes • Voice AI Architecture: Built and deployed end-to-end audio pipelines integrating cloud APIs (ElevenLabs) and self-hosted open-source models for ultra-low-latency, high-fidelity voice synthesis • Apple (previous): Shipped a Vue.js admin system with OAuth 2.0, a Go/gRPC cloud backend, and an iOS app for internal marketing ops • Google: Refactored an open-source tool used across hundreds of offices, saving billions in lost productivity • USAA: Led the Savings Booster product that moved $160M+/year into member accounts. 2 years, zero major bugs • HEB: Architected a NestJS microservices platform on GCP and led a 5-dev team to deliver a supply chain negotiation tool CORE STRENGTH • I think like a product owner, not just a coder. Smart architecture decisions early so you don't pay for them later • Led teams of 5-10 devs and shipped on deadline at companies where failure isn't an option • Clear communicator. I flag problems early, keep you in the loop, and treat your project like my own TECH STACK • ai/agentic: LangGraph, Ray, Claude Code, MCP, RAG pipelines, TensorFlow, ElevenLabs, Audio AI / TTS, Datadog, Grafana • frontend: React, Angular, Vue, TypeScript, Swift (iOS) • backend: Node.js, Go, Java, Python, NestJS, GraphQL, gRPC • cloud/devops: AWS, GCP, Azure, EKS, Kubernetes, Docker, CI/CD, Ansible • data: PostgreSQL, MongoDB, Kafka, Firebase If you've got a project that needs senior-level engineering and someone who actually cares about the outcome, send me a message. I'd love to hear what you're building.

🇺🇸San Antonio, United States$120/hr100% JSS5.00 (10)Since Feb 2022

Earnings and projects

MRR (estimate)
≈$22k

An estimate from an earlier read

World#151 / 412k
🇺🇸Country#90 / 62.1k
Revenue, last 30 days
$15k

Last 6 months: $134k

World#527 / 412k
🇺🇸Country#267 / 62.1k
Total earnings
$148k

Billed in all: $159k

World#24,075 / 412k
🇺🇸Country#5,373 / 62.1k
Per project
$13k

$17k in the last 6 months

World#10,872 / 412k
🇺🇸Country#1,879 / 62.1k
Projects, last 6 months
8

Across 10 contracts

30% fixed70% hourly
World#24,501 / 412k
🇺🇸Country#3,600 / 62.1k
Projects in all
11

Across 13 contracts

38% fixed62% hourly
World#192,420 / 412k
🇺🇸Country#27,474 / 62.1k

Earnings, last 30 days

$159k+$14.5k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$140k$150k$160kOct 9Oct 24Nov 8

Dotted: longer than usual between two readings.

Skill rankings: Top 0.05% in PostgreSQL

Top 1% in 20 of 20 skills, ranked by MRR among everyone on Upwork with the skill.

  1. 2Kubernetes3,351 freelancers · 🇺🇸 #2Top 0.06%
  2. 3Golang2,195 freelancers · 🇺🇸 #2Top 0.14%
  3. #4Java8,313 freelancers · 🇺🇸 #4Top 0.05%
  4. #4C++4,442 freelancers · 🇺🇸 #1Top 0.09%
  5. #4GraphQL3,404 freelancers · 🇺🇸 #2Top 0.12%
  6. #4Google Cloud Platform2,939 freelancers · 🇺🇸 #3Top 0.14%
  7. #6PostgreSQL12,851 freelancers · 🇺🇸 #4Top 0.05%
  8. #7Retrieval Augmented Generation3,618 freelancers · 🇺🇸 #6Top 0.19%