Fellow Engineer & Technical Leader

Sean Teare

15+ years architecting distributed systems, cloud-native APIs, and full-stack platforms — now building the agentic, AI-native workflows that carry software from idea to shipped code.

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15+

Years in software engineering

50M

API requests secured per day

5x

P95 latency improvement delivered

20

Engineers led on a single team

What I bring

AI-Assisted Engineering

Claude CodeAgentic multi-agent workflowsMCP integrationsOpenSpec spec-driven devAI-generated PRsAutomated PR reviewAI-assisted test generationContext & prompt engineering

Languages & Frameworks

TypeScriptJavaScriptNode.jsReactReact NativeExpressPHPJavaSQL

Cloud & Infrastructure

AWS LambdaAPI GatewayDynamoDBS3ECSSQS / SNSKinesisEventBridgeRoute 53Google CloudTerraformApigeeKong GatewayGitHub ActionsDocker

Data & Messaging

PostgreSQLPostGISMySQLDynamoDBMongoDBRedisRabbitMQNSQ

Leadership

Multi-team leadershipPlatform & API strategyArchitecture reviewTechnical roadmappingHiring & interviewingMentorship
Recent roles
Journey
Head of Product Engineering

Built the agentic Claude Code workflow — spec-driven, MCP-integrated — that carries ideas to shipped, tested code far beyond traditional team throughput.

Ally Financial
Fellow Software Engineer

Led the API Platform organization behind Ally's OAuth authentication tier, serving 50M+ requests a day, and the enterprise gateway migration to Kong.

Passport
Solutions Architect → Director

Rose from senior engineer to Director of Engineering, shipping Passport's first public APIs and the shared services platform behind every product.

See the full résumé
How I work

Hands-on when it matters, hands-off leadership the rest of the time

A trusted partner to product, DevOps, and platform peers — equally effective leading engineering and delivery organizations as contributing hands-on at the keyboard, from Fortune 100 API platforms to fast-moving startups.

Headshot of Sean Teare

Let's build something worth shipping

Open to conversations about platform architecture, engineering leadership, or AI-native delivery.

Get in touch