Senior Lead Technical Software Engineer - Frontend

About the role

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 work authorization 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, TN, 'job flexibility benefits' (also known as I-140 or Adjustment of Status portability), etc. now or in the future. You should not apply for this role if you will require Toyota to assist with immigration support or sponsorship now or in the future. Who we're looking for At TFS, we're building next-generation products that redefine mobility for millions of customers worldwide. We're looking for a Sr Lead Engineer - an individual contributor at the principal level - who brings deep front-end expertise, strong backend instincts, and the technical leadership to raise the bar across the entire engineering organization. This isn't a management role. It's for the engineer who is the go-to person in the room. The one who shapes architecture, mentors' peers without being asked, digs into the hardest problems, and leaves every codebase better than they found it. You'll work across teams, influence technical direction, and be a force multiplier for everyone around you. This position is based in Plano, TX. The selected candidate will be expected to reside within a commutable distance of this location

Responsibilities

• Serve as the technical authority for front-end architecture across one or more product domains, making high-impact decisions on patterns, tooling, and standards
• Design, build, and maintain full-stack features - from pixel-perfect UIs to the APIs and services that power them
• Lead technical design reviews, architecture discussions, and RFC processes - driving alignment across engineering teams
• Identify and resolve systemic issues: performance bottlenecks, reliability gaps, scaling constraints, and tech debt that slows teams down
• Own complex debugging and troubleshooting across the full stack - from browser rendering issues to API latency to infrastructure misconfigurations
• Define and champion engineering best practices: code quality, testing strategies, observability, and deployment safety
• Collaborate closely with Engineering Managers, Product, and Design to shape roadmaps and ensure technical feasibility
• Mentor and grow engineers at all levels through code reviews, pairing, design feedback, and technical guidance
• Contribute to hiring by conducting technical interviews and helping define what great looks like for front-end engineering at TFS
• Proactively communicate technical risks, tradeoffs, and recommendations to both engineering and non-technical stakeholders
• What you bring
• Bachelor's degree in Computer Science or related field, or equivalent practical experience
• 7+ years of software engineering experience with a strong front-end focus and a track record of operating at a principal or staff engineer level
• Deep expertise in React and Next.js , including App Router, SSR, SSG, ISR, streaming, and advanced rendering patterns
• Strong proficiency in TypeScript - you default to it and advocate for it across the codebase
• Hands-on experience with Tailwind CSS and component libraries like shadcn/ui or similar design system tooling
• Solid command of state management patterns using Zustand , Redux Toolkit, or equivalent
• Experience with schema validation and form handling using Zod or similar libraries
• Proven ability to design, build, and maintain RESTful and GraphQL APIs , including API contract design, versioning, error handling, and type-safe client generation (e.g., tRPC, OpenAPI codegen)
• Experience building serverless backend services on AWS , including:
• API Gateway + Lambda for serverless API development
• CloudFront and Lambda@Edge for edge logic and caching
• S3 for asset storage and static hosting
• DynamoDB or RDS for data persistence
• Strong understanding of front-end performance: Core Web Vitals, code splitting, lazy loading, image optimization, HTTP caching, SWR/React Query, and bundle analysis
• Deep experience

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