Senior Software Engineer, Agent Platform

About the role

We're looking for a Senior Software Engineer to join our Director of Engineering building ShopMy's agent orchestration platform. Your job is the platform itself: the trigger layer that routes every inbound event from Slack, Linear, GitHub, and the ShopMy product; durable multi-step workflows; human-in-the-loop approvals; agent memory; evals; cost attribution; and the console it's all managed through. You'll partner closely with the agent managers who design and run the agents themselves.

Responsibilities

• Design and evolve the orchestration core: a declarative trigger system spanning Slack, Linear, cron, and HTTP; durable workflows; and agent runs that can suspend and resume around human approval
• Find the abstractions that keep the platform general, so the next agent composes existing machinery instead of forking a new code path
• Build the tool layer that gives agents their capabilities: Slack, Linear, GitHub, Notion, MCP, and a dynamic tool registry
• Build the management console agent managers use to create, evaluate, and improve agents (React)
• Make agent behavior legible: run tracing, evals and judges, feedback loops, and per-run cost attribution
• Design and implement APIs in TypeScript and NestJS backed by Postgres
• Deploy and operate the platform on AWS (ECS, ALB, CloudFormation, CloudWatch)

Requirements

Strong proficiency in TypeScript, Node.js, and relational databases

Experience building systems other engineers build on: internal platforms, frameworks, orchestration or developer tooling, and the API design instincts that come with it

Enough hands-on time with LLMs to be comfortable building an agent yourself: tool calling, context and memory, and evaluating nondeterministic behavior

Experience building interfaces that make complex systems easy to understand and manage

Experience deploying and operating production services on AWS: containers, ECS, ALB, and monitoring with CloudWatch or similar

AI-assisted development (Claude Code, Cursor, or similar) as a core part of how you work

Keen attention to detail in code structure and style

5+ years of professional software engineering experience

Qualifications

You've built on or operated durable-execution or workflow engines (Temporal or similar), or rolled your own

You've shipped agent systems, built with agent frameworks (LangGraph, the Claude Agent SDK, or similar), written MCP servers, or built eval harnesses

You've worked in high-growth startups or fast-paced product environments

You enjoy mentoring and helping shape engineering best practices and team culture

Skills

Strong proficiency in TypeScript, Node.js, and relational databases

Experience building systems other engineers build on: internal platforms, frameworks, orchestration or developer tooling, and the API design instincts that come with it

Enough hands-on time with LLMs to be comfortable building an agent yourself: tool calling, context and memory, and evaluating nondeterministic behavior

Experience building interfaces that make complex systems easy to understand and manage

Experience deploying and operating production services on AWS: containers, ECS, ALB, and monitoring with CloudWatch or similar

AI-assisted development (Claude Code, Cursor, or similar) as a core part of how you work

Keen attention to detail in code structure and style

5+ years of professional software engineering experience

Benefits

• Medical & Dental Coverage at 70%
• Equity in ShopMy
• Flexible PTO
• 14 weeks of parental leave
• Wellness & Social Stipend
• Technology Stipend
• Learning & Development Stipend
• 401k program (3% automated contribution from ShopMy!)
• Wellhub Membership
• Company retreats
• Opportunity to monetize your influence- all employees build out a ShopMy page!
• Birthday PTO
• New York HQ office