Principal Engineer

🔥 0 minutes ago

⛰️ Colorado – Remote

⛰️ Colorado – Remote

💵 $195k - $220k / year

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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A2Z

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

🚘 Automotive

☁️ SaaS

🤝 B2B

Automotive • SaaS • B2B

A2Z (A2Z Sync) is a software company that provides a unified Dealer Experience Platform (DXP) connecting online shoppers — including Amazon customers — to dealership systems. The platform bridges digital and physical showrooms by making online pricing, payments, and deal structures identical to in-store processes and by supporting end-to-end workflows such as vehicle selection, desking, digital F&I, digital signing, retail management, and dealer dashboards. A2Z emphasizes deep integrations with CRM and DMS systems, OEM incentives, and dealer operations to deliver a consistent, faster, and more profitable automotive retail experience.

📋 Description

• Design, build, and operate agentic AI infrastructure using AWS Bedrock and MCP servers • Write agent code, define tool interfaces, build evaluation harnesses, and ship production AI workflows • Own the AI agent lifecycle from prompt engineering and tool-use design through guardrails, evaluation, cost optimization, observability, and rollback strategies • Make system design and technical decisions for migration waves across identity, tenant services, core domains, and frontend decomposition • Own the dual-write framework, API Gateway traffic-splitting, and per-tenant feature-flag rollouts • Lead observability, security, and data architecture initiatives using OpenTelemetry, CloudWatch, IAM, Auth0, DynamoDB, and Aurora • Mentor senior individual contributors and establish engineering patterns across five engineering teams • Consolidate and strategize 30+ integrations • Audit the architecture and publish Architecture Decision Records • Drive Bedrock-powered automation into production workflows • Deliver migration waves from design through production cutover with dual-write validation • Establish observability baselines, dashboards, and SLOs • Document architecture runway for subsequent work

🎯 Requirements

• 8+ years of software engineering experience, with at least 3 years in a Staff, Principal, or Architect role • Build cloud-native solutions with emphasis on speed to market • Deep hands-on experience, approximately 40–50% coding and 40–50% design, with AWS serverless services including Lambda, EventBridge, DynamoDB, and Step Functions • Experience with traditional service architectures including ECS, RDS, and API Gateway • Experience spending 10–20% of time in mentoring, cross-team alignment, and operating mechanisms • Track record of leading monolith-to-services migrations using strangler fig, dual-write validation, traffic-splitting, and canary rollouts • Fluency across PHP, Python, Java, and TypeScript frontends • Experience with event-driven architectures, configuration-driven workflow engines, and DynamoDB single-table design • Strong observability practices and discipline to instrument before migrating • Ability to write unambiguous design documents for senior IC implementation • Preferred: automotive, fintech, or multi-tenant marketplace platform experience • Preferred: data pipelines, NiFi, Glue/Athena, or ETL/data lake tooling • Preferred: Auth0 Organization model, M2M apps, and Actions for JWT enrichment • Preferred: production browser automation with Playwright

🏖️ Benefits

• Comprehensive medical, dental, and vision benefits • Employer-provided short-term disability, long-term disability, and life insurance • Matching 401(k) plan • Unlimited paid time off • 10 paid holidays • Real ownership of a high-stakes AI surface, including roadmap, architecture decisions, and metrics • Fun, casual, and collaborative culture