Principal Architect, Cloud-Native Platform (AWS)

TCC Toyota Motor Credit Corporation Company; Plano (TX); On-site; USD 180,000 - 240,000; Full time

Job summary

Toyota Financial Services in Plano, TX is seeking a Principal Architect to own the end-to-end platform architecture for a cloud-native engineering platform. This is a hands-on IC role, not a management position, focusing on architectural coherence across application, data, AI/ML, and infrastructure.

You will write RFCs and ADRs, lead design reviews, and mentor senior engineers while balancing innovation with production readiness in AWS, TypeScript/Python, and data lakehouse patterns.

Qualifications

• Bachelor's degree in CS or related field.
• 10+ years of software engineering with hands-on architect/IC experience on AWS-based platforms.
• Proven track record owning full-platform architecture decisions.
• Strong ability to mentor engineers and drive architectural standards.

Responsibilities

• Own end-to-end reference architecture for the platform across app, data, AI/ML, and infra.
• Write RFCs, ADRs, and design docs to guide build decisions.
• Lead platform-wide design reviews and architecture forums with engineering leads.
• Define standards: API contracts, IaC patterns, security posture, observability.
• Identify and mitigate systemic risks before incidents; address performance and reliability gaps.
• Balance innovation with production readiness; evaluate new AWS services and frameworks.

Skills

Platform Architecture

Technical Leadership

TypeScript/Python

RFCs/ADRs

API Design

IaC & Security

Observability

Distributed Systems

Mentoring Engineers

Hiring Interviews

Education

Bachelor's degree in Computer Science or related field

Tools

AWS CDK

Terraform

CloudFormation

S3

DynamoDB

Kinesis

Lambda

API Gateway

Job description

Toyota Financial Services in Plano, TX is seeking a Principal Architect to own the end-to-end platform architecture for a cloud-native engineering platform. This is a hands-on IC role, not a management position, focusing on architectural coherence across application, data, AI/ML, and infrastructure.

You will write RFCs and ADRs, lead design reviews, and mentor senior engineers while balancing innovation with production readiness in AWS, TypeScript/Python, and data lakehouse patterns.