$130-200k + options. Chicago-based, in office 5 days a week. Sit between principal and product engineer. Ship features end to end across mobile, web, and backend. Independent. Systems-minded.You’ll:- Ship full-stack features (Kotlin/JVM backend, React Native mobile, React web)- Build and integrate agent systems (Bedrock, LLM tooling, RAG, evals)- Heavy AI tooling user (Claude Code, Cursor, or equivalent)- Own DevOps and infra where needed (AWS, CI/CD, observability)- Make product decisions in PRs when scope is ambiguous- Work async, ship daily, raise bugs as you find themYou are:- 4-12 years engineering experience- Strong in at least one JVM language (Kotlin a plus) and TypeScript/React- Comfortable in production AWS environments- High agency, low ego, ships under ambiguity- Curious about consumer social, agent systems, AI-native productOur code style:- Functional, immutable, Result-typed error handling- Thin pages, UI-safe DTOs, small focused services- Spec harness TDD, eval-driven for AI work- PR-a-day cadence, review-friendly diffs- Skill files as living documentation, AI agents as part of the harnessStack: Kotlin/JVM, React Native, React, Postgres, AWS Bedrock, Stream, Claude.Bonus: Agent orchestration experience, Stripe, mobile release management, design sense.To apply, email hunter@pumpkinpie.com with the role in the subject line.