Senior AI Full-Stack Engineer

I amQuinton Hedrick.

14+ years building AI/ML platforms, distributed systems, cloud infrastructure, healthcare software, commerce products, and fintech systems—plus 5 years of Solutions Engineering experience translating complex systems into clear business outcomes.

14+years software engineering
5technology domains
3major cloud platforms
production-ai.system
AI
Retrieval
Tools
Validation
Human Review
Evaluation
workflow = AgentGraph(
  retrieval="filtered",
  validation=true,
  retries="bounded"
)
Content workflow< 1 minfrom ~35 minutes previously
PythonReactFastAPILangGraphPyTorchGoKubernetesDatabricksAWS · Azure · GCP PythonReactFastAPILangGraphPyTorchGoKubernetesDatabricksAWS · Azure · GCP
01 / About

Engineering depth.
Business clarity.

I work at the intersection of software engineering, AI systems, and product delivery.

My experience covers architecture, implementation, testing, deployment, monitoring, and production improvement across several industries. I focus on systems that are maintainable, measurable, and understandable—not only impressive in a demo.

I also translate architecture, platform capabilities, technical risks, and tradeoffs into executive-ready presentations and technical narratives for both engineering and non-technical audiences.

01

Production first

Observability, failure handling, testing, rollout, and rollback belong in the design.

02

Bounded AI

Retrieval, deterministic rules, validation, retries, and human review keep model behavior controlled.

03

Context-driven architecture

Choose the language, database, and infrastructure that fit the workload instead of forcing a favorite stack.

02 / Experience

Five companies.
One engineering arc.

Apr 2023 — Present

CommerceIQ

Mountain View, CA · Remote

Senior AI Full-Stack EngineerCommerce AI

Lead architecture and delivery of AI-powered commerce workflows. Build multi-step agent systems with controlled retrieval, tool execution, validation, retries, and human review. Developed an AI Content Agent that reduced a workflow from roughly 35 minutes to well under one minute.

PythonFastAPILangGraphLangChainReactNext.jsPostgreSQLRedis
Nov 2021 — Mar 2023

DataRobot

Boston, MA · Hybrid

Senior Machine Learning EngineerEnterprise AI

Built ML workflows, inference services, evaluation systems, continuous-learning capabilities, and MLOps foundations spanning experimentation, deployment, monitoring, governance, drift, explainability, fairness, and operational readiness.

PyTorchTensorFlowMLflowKubernetesDatabricksSnowflake
Jun 2019 — Oct 2021

Rackspace Technology

Watertown, MA · Hybrid

Senior Data EngineerCloud & Data

Designed enterprise data platforms across AWS, Azure, and GCP. Built batch, streaming, lakehouse, and event-driven systems with Spark, Databricks, Kafka, Snowflake, Python, Go, and infrastructure automation.

AWSAzureGCPSparkKafkaTerraform
Feb 2016 — May 2019

athenahealth

Boston, MA · Hybrid

Senior Backend EngineerHealthcare

Modernized healthcare backend systems, interoperability services, and clinical-document workflows using Java/Spring Boot, .NET, Python, React, HL7, FHIR, asynchronous processing, and ML-assisted classification.

JavaSpring BootC#/.NETFHIRHL7React
Sep 2012 — Jan 2016

Braintree

Chicago, IL · Remote

Full-Stack Software EngineerFinTech

Built payment-platform capabilities across merchant apps, APIs, transaction processing, webhooks, PayPal/Venmo integrations, tokenization, PCI-oriented security, retries, idempotency, settlement, and refunds.

JavaRuby on RailsJavaScriptPaymentsWebhooksPCI
03 / Selected Work

Systems, not
just features.

AI orchestration · CommerceIQ

Production AI Content Agent

A multi-step agent workflow combining catalog intelligence, retrieval, deterministic business rules, generative models, validation, retries, and human review.

RAGLangGraphFastAPIPostgreSQL
Catalog data
Retrieval + rules
Validation
Human review
AI orchestration
Workflow acceleration
35m → <1m

Reduced a product-content workflow that previously required roughly 35 minutes to well under a minute.

Architecture range

Five technology domains

Commerce AI, enterprise machine learning, cloud/data platforms, healthcare interoperability, and payment infrastructure.

AI / CommerceEnterprise MLCloud / DataHealthcare + FinTech
04 / Skills

Broad stack.
Senior judgment.

Languages

PythonJavaGoC#C++RubyTypeScriptJavaScriptSQL

AI & Machine Learning

PyTorchTensorFlowKerasHugging FaceLangChainLangGraphSemantic KernelRAGAI AgentsMLflowModel Evaluation

Full Stack

ReactNext.jsVue.jsTailwind CSSFastAPINode.jsSpring Boot.NETRuby on Rails

Data & Platforms

PostgreSQLRedisSnowflakeDatabricksSparkPySparkKafkaAirflowDynamoDBCosmos DB

Cloud & DevOps

AWSAzureGCPDockerKubernetesTerraformGitHub ActionsJenkinsCI/CD
05 / Leadership

Technical leadership
without the theater.

Architecture & code review

Review systems for correctness, maintainability, observability, security, failure handling, and unnecessary complexity.

Mentoring & delivery

Guide engineers through system design, debugging, production incidents, rollout strategy, technical risk, and release readiness.

Executive communication

Translate technical architecture and product tradeoffs into polished PowerPoint decks, diagrams, proposals, and decision-focused narratives.

06 / Education

Computer science
foundation.

Georgia Institute of Technology

Atlanta, Georgia
2010 — 2012

Master of Science in Computer Science

Georgia Institute of Technology

2006 — 2010

Bachelor of Science in Computer Science

Georgia Institute of Technology

07 / Contact

Build something
worth shipping.

I’m interested in senior engineering work where AI, software architecture, distributed systems, and product execution meet.

Pattison, Mississippi+1 (386) 353-1413Available for senior AI / software opportunities