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Principal Engineer

3 weeks, 1 day ago
United States
Full-time
Lead
Technical Lead
Software Development
API Gateway AWS CircleCI CloudFormation Java JWT Laravel MySQL Next.js OpenTelemetry PHP Playwright Python React REST API Serverless SOAP Spring Boot TypeScript
Apply Now
A2Z Sync

A2Z Sync

A2Z Sync provides Dealership Desking, Menu & F&I Centralized Dealership Desking Tools, F&I and Menu software for automotive dealerships. Their platform enables automotive groups to transact faster with higher profitability, simplifying the car buying e...

Internet Software & Services
51-250
Founded 2017
View All Jobs 2

Description

  • Design, build, and operate agentic AI systems that automate workflows across the platform using AWS Bedrock and MCP servers.
  • Own the full AI agent lifecycle, including prompt design, tool-use patterns, guardrails, evaluation, cost optimization, and production observability.
  • Write agent code, define tool interfaces, and ship production AI workflows that interact with real production APIs and dealer data.
  • Lead system design and technical decision-making for migration waves across identity, tenant services, core domains, and frontend decomposition.
  • Implement reversible migration patterns such as dual-write frameworks, API Gateway traffic splitting, and per-tenant feature flag rollouts.
  • Establish observability, security, and data architecture patterns across the platform, including instrumentation, dashboards, SLOs, IAM, and tenant data models.
  • Mentor senior engineers, review designs, and raise technical standards across multiple engineering teams.
  • Consolidate and strategize a large set of integrations to make future integrations easier and more scalable.
  • Partner on build-vs-buy decisions and set engineering patterns for how the team develops with AI and across the platform.

Requirements

  • 8+ years of software engineering experience, including at least 3 years in a Staff, Principal, or Architect role.
  • Deep hands-on experience with AWS serverless and service architectures, including Lambda, EventBridge, DynamoDB, Step Functions, ECS, RDS, and API Gateway.
  • Experience spending roughly 40-50% of time in code and 40-50% in design work.
  • Experience spending 10-20% of time mentoring, aligning across teams, and supporting operating mechanisms.
  • Track record of leading monolith-to-services migrations using strangler fig patterns, dual-write validation, traffic splitting, and canary rollouts.
  • Fluency across multiple languages, including the ability to review PHP, prototype in Python, architect Java services, and reason about TypeScript frontends.
  • Experience with event-driven architectures, configuration-driven workflow engines, and DynamoDB single-table design.
  • Strong understanding of observability and the discipline to instrument systems before migration.
  • Ability to write unambiguous design documents that senior engineers can implement and to know when to write code directly.
  • Preferred experience in automotive, fintech, or multi-tenant marketplace platforms.
  • Preferred experience with data pipelines or ETL/data lake tooling such as NiFi, Glue, or Athena.
  • Preferred familiarity with Auth0 Organization model, M2M apps, and Actions for JWT enrichment.
  • Preferred experience with browser automation using Playwright in production integration flows.

Benefits

  • Comprehensive medical, dental, and vision coverage.
  • Employer-provided STD/LTD and life insurance.
  • Matching 401(k) plan.
  • Unlimited paid time off, including 10 paid holidays.
  • Fun, casual, and collaborative culture.
  • High ownership and direct impact on a high-stakes AI platform surface.

Interested in this position?

Apply directly on the company website

Apply Now

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