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# Staff Software Engineer

- **Company:** ROCKSTAR PARTNERS LLC
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Software Quality, Code Review, Distributed Systems, PostgreSQL, Node.Js, Software Construction, Data Streaming, TypeScript, ReactJS, Caching, Kubernetes, Legacy Systems
- **Published:** November 7, 2026
- **Apply:** https://startup.jobs/senior-staff-software-engineer-rockstar-10707530

## About the Role

* You have 5+ years of product engineering experience and a track record of designing, shipping, and operating important systems; experience across both a high-growth startup and a scaled engineering organization is a plus
 * You are a strong systems thinker who can reduce a complex domain to clear boundaries and maintainable software
 * You have a product mindset: you learn how customers work, notice patterns, and connect technical decisions to customer value
 * You care deeply about code quality and reliability, but avoid abstraction or complexity for its own sake
 * You communicate clearly with technical and non-technical teammates and make others better through writing, code review, mentorship, and candid feedback
 * You form thoughtful opinions about fast-moving AI technology and choose models, architectures, and context strategies based on evidence
 * You are ambitious, resourceful, action-oriented, and team-first; you care about strengthening American manufacturing and are excited to work in person five days a week in NYC, * Deep experience with TypeScript, Node.js, React, or PostgreSQL
 * Experience with AWS, Kubernetes, queues, streaming, caching, retries, consistency, and observability
 * Experience building a large surface area of third-party integrations, especially with legacy systems
 * Experience building software for manufacturing or another operationally complex industry

## Description

This is a hands-on senior individual-contributor role at the intersection of applied AI, product, and distributed systems. The role holder will take ambiguous customer problems and complex product initiatives, turn them into focused architectures, and ship simple, reliable systems in production.

They will build AI workers across the stack, from customer-facing experiences to long-running agent workflows and integrations with legacy ERPs and CRMs. They will lead 0*1 initiatives, improve agent performance and reliability, help set model and agent strategy, and evolve infrastructure as customer usage and model capabilities grow.

Technical leadership at the company means writing and operating core product code while raising the bar for the team through clear technical writing, thoughtful code review, mentorship, and better developer tooling. The stack is TypeScript end-to-end with React, Node.js, and PostgreSQL, running on AWS and Kubernetes.

What You'll Do

 * Lead complex product initiatives from customer discovery and technical design through implementation, rollout, and production operation
 * Turn broad product requirements into focused architecture documents, clear tradeoffs, and incremental execution plans
 * Build core AI product experiences and the agent workflows, tools, and integrations behind them
 * Improve agent performance, reliability, and cost as usage grows and new models arrive
 * Design and operate distributed systems, including queues, workers, observability, and failure recovery
 * Help set technical strategy across models, agent architecture, context management, infrastructure, and developer experience
 * Raise the engineering bar through simple design, testing, code review, and operational follow-through
 * Mentor engineers and create patterns, documentation, and feedback loops that make the team more effective