Principal Architect
Toyota North America
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Descripción de la vacante
Toyota Financial Services is seeking a Principal Architect to own the end-to-end platform architecture, spanning application, data, AI/ML, and infrastructure. This senior IC role drives architectural decisions, writes RFCs, and collaborates with engineering leads across teams.
You will validate designs by contributing production-grade code in TypeScript/Python, set coding standards, and mentor engineers while influencing across domain boundaries.
Formación
- Bachelor’s degree in computer science or related field or equivalent practical experience.
- 10+ years of software engineering with 5+ years as hands-on architect on AWS-based platforms.
- Proven track record owning full-platform architecture decisions in production.
Responsabilidades
- Own end-to-end reference architecture for platform including app, data, AI/ML, and infra.
- Make architectural decisions and document RFCs/ADRs for cross-team alignment.
- Lead platform-wide design reviews and enforce engineering standards.
Conocimientos
Educación
Herramientas
Descripción del empleo
Collaborative. Respectful. A place to dream and do. These are just a few words that describe what life is like at Toyota. As one of the world’s most admired brands, Toyota is growing and leading the future of mobility through innovative, high-quality solutions designed to enhance lives and delight those we serve. We’re looking for talented team members who want to Dream. Do. Grow. with us.
An important part of the Toyota family is Toyota Financial Services (TFS), the finance and insurance brand for Toyota and Lexus in North America. While TFS is a separate business entity, it is an essential part of this world-changing company- delivering on Toyota’s vision to move people beyond what’s possible. At TFS, you will help create best-in‑class customer experience in an innovative, collaborative environment.
Toyota does not offer support or sponsorship of job applicants for employment‑based visas or any other workauthorization for this role now or in the future. You must have the right to work in the United States and not require Toyota support or sponsorship for immigration‑related employment (e.g., H-1B, O-1, E-3, H-1B1, TN, F-1 OPT, F-1 STEM, OPT, F-1 CPT, ‘job flexibility benefits’ [also known as I-140 or Adjustment of Status portability], etc.) now or in thefuture. You should not apply for this role if you will require Toyota to assist with immigration support or sponsorshipnow or in the future.
At TFS, we’re building a greenfield, cloud‑native engineering platform that will redefine how Toyota Financial Services delivers digital products to millions of customers. We’re looking for a Principal Architect — a senior individual contributor at the top of our IC track — who owns the technical coherence of the entire platform. This is not a management role and it’s not an advisory role. It’s for the engineer who can see across every layer of the system — application, data, AI/ML, and infrastructure — make binding architectural decisions and then get in the code to validate them. You’ll be the connective tissue between engineering teams, setting direction across the stack, shaping standards that last, and serving as the person engineering leadership trusts to say, "this is how we build it."
- Own the end-to-end reference architecture for our engineering platform team — application, data, AI/ML, and infrastructure layers — ensuring coherence across all product domains
- Make binding, well‑documented architectural decisions across teams; author RFCs, ADRs, and design documents that become the foundation for how we build
- Lead platform‑wide technical design reviews and architecture forums, driving alignment across engineering leads, engineering managers, and product
- Define, evolve, and enforce engineering standards: API design contracts, IaC patterns, security posture, observability baselines, and deployment safety
- Identify and resolve systemic risks before they become incidents — performance ceilings, reliability gaps, coupling issues, and architectural drift
- Evaluate and recommend new technologies, frameworks, and AWS services; balance innovation with operational maturity and team capability
- Contribute with spikes/production‑quality code in TypeScript and/or Python — you validate architectural decisions by writing and reviewing the code, not just describing it
- Own the design and lead implementation of the most complex, cross‑cutting platform components: shared infrastructure modules, API frameworks, data pipeline foundations, and AI/ML integration layers
- Lead technical troubleshooting for the hardest distributed system failures — from API latency and data pipeline failures to infrastructure misconfigurations and LLM reliability issues
- Review and approve architectural changes across codebases, holding a consistently high bar for quality, testability, observability, and security
- Architect the data backbone of the platform: S3‑based lakehouse design, event‑driven streaming pipelines, data orchestration, and analytical query patterns
- Define integration patterns for AI/ML capabilities — how Bedrock agents, SageMaker endpoints, RAG pipelines, and agentic workflows connect to the application and data layers as first‑class architectural concerns, not bolt‑ons
- Establish guardrails for LLM‑based systems: structured outputs, prompt engineering standards, observability for model behavior, and patterns for deterministic, production‑grade AI features
- Partner with the ML/AI engineering team to ensure AI components are observable, testable, and maintainable at production scale
- Serve as a technical thought partner to Engineering Managers and the VP of Engineering — translating complex technical tradeoffs into clear, actionable recommendations for both engineering and non‑technical stakeholders
- Partner with Product and Program Management to assess technical feasibility, shape roadmaps, and surface risks early
- Drive the RFC and design review process across the engineering organization, ensuring major decisions have appropriate rigor and broad visibility
- Mentor senior and lead engineers — through design reviews, pairing, and written feedback — raising the technical ceiling of the entire org
- Contribute to hiring by conducting technical interviews for senior IC and architect‑level roles, and helping define what architectural excellence looks like at TFS
- Champion a culture of documentation: ADRs, runbooks, design documents, and onboarding guides that transfer knowledge and reduce key‑person risk
- Bachelor’s degree in computer science or related field, or equivalent practical experience
- 10+ years of software engineering experience, with at least 5 years of operating as a hands‑on architect or principal‑level IC on AWS‑based platforms
- Proven track record of owning full‑platform architecture decisions in production — not just advising, but being accountable for the outcomes
- Deep, hands‑on expertise with serverless‑first AWS architecture , including:
- Lambda, API Gateway (REST and HTTP), Step Functions, EventBridge, SQS/SNS for compute and async orchestration
- DynamoDB and/or Aurora Serverless for data persistence patterns
- S3, CloudFront, and edge patterns for object storage, CDN strategy, and API acceleration
- Experience designing multi‑account AWS architectures with proper governance: AWS Organizations, Control Tower, Service Control Policies, and cross‑account IAM patterns
- Strong command of IaC design and governance using AWS CDK, CloudFormation, or Terraform — owning infrastructure design end‑to‑end, not just reviewing it
- Experience architecting S3‑based lakehouse patterns : table formats (Apache Iceberg or Delta Lake), partitioning strategies, and lifecycle management
- Hands‑on design of event‑driven streaming pipelines using Kinesis, MSK/Kafka, or similar, through to analytics with Athena, Redshift, or equivalent
- Familiarity with data governance patterns: Lake Formation, data cataloging, access control for sensitive financial data
- Practical experience integrating Amazon Bedrock, SageMaker endpoints, or equivalent LLM/ML services into production application architectures
- Understanding of agentic flow design — tool calling, memory patterns, human‑in‑the‑loop checkpoints, and failure recovery in multi‑step agent workflows
- Experience with RAG pipeline architecture — embedding generation, vector store design (OpenSearch, pgvector, or similar), and query‑time retrieval patterns
- Ability to define architectural standards for LLM reliability: structured outputs, guardrails, observability for model behavior, and prompt engineering governance
- Proven ability to design and govern RESTful and GraphQL API contracts at scale — versioning strategies, federation patterns, type‑safe tooling (OpenAPI, tRPC, GraphQL Code Generator)
- Experience with frontend architecture at platform scale: Next.js on AWS (CloudFront, Lambda@Edge), monorepo tooling (Turborepo/Nx), and how front‑end and back‑end contracts evolve together
- Deep understanding of security architecture : IAM least‑privilege design, secrets management (Secrets Manager, SSM Parameter Store), encryption patterns, and network segmentation
- Strong experience with distributed observability : CloudWatch, X‑Ray, Datadog — defining SLAs, building dashboards, instrumenting services for traceability, and leading incident response
- Strong written and verbal communication — you can author a clear RFC, lead a contentious design review, and explain a complex architectural tradeoff to a non‑technical executive
- Track record of influencing without authority: aligning multiple engineering teams on a shared direction through credibility, evidence, and clear thinking
- Experience defining and maintaining engineering standards across an organization — code quality, testing strategies, deployment safety, and architectural review processes.
- Master’s degree in Computer Science or related field
- Experience in financial services, banking, or insurance — understanding of compliance, data residency, and auditability requirements
- AWS certifications: Solutions Architect Professional, Data Analytics Specialty, or Machine Learning Specialty
- Experience with data mesh or data product patterns — decentralized ownership with centralized governance and discoverability
- Hands‑on experience with responsible AI practices : fairness metrics, bias detection, explainability (SHAP/LIME), and model monitoring
- Experience with CI/CD at platform scale — pipeline design, deployment strategies (blue/green, canary), and progressive delivery frameworks
- Experience contributing to or defining open standards, internal frameworks, or open‑source projects
- Familiarity with GraphQL federation for composing distributed services across teams
During your interview process, our team can fill you in on all the details of our industry‑leading benefits and career
- A work environment built on teamwork, flexibility, and respect
- Professional growth and development programs to help advance your career, as well as tuition reimbursement
- Team Member Vehicle Purchase Discount
- Toyota Team Member Lease Vehicle Program (if applicable)
- Comprehensive health care and wellness plans for your entire family
- Toyota 401(k) Savings Plan featuring a company match, as well as an annual retirement contribution from Toyota regardless of whether you contribute (if applicable)
- Paid holidays and paid time off
- Referral services related to prenatal services, adoption, childcare, schools and more
- Tax Advantaged Accounts (Health Savings Account, Health Care FSA, Dependent Care FSA)
- Relocation assistance (if applicable)
Our success begins and ends with our people. We embrace all perspectives and value unique human experiences. Respect for all is our North Star.
Applicants for our positions are considered without regard to race, ethnicity, national origin, sex, sexual orientation, gender identity or expression, age, disability, religion, military or veteran status, or any other characteristics protected by law.
Have a question, need assistance with your application or do you require any special accommodations? Please send an email to talent.acquisition@toyota.com.
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