Seed-Stage Software Engineer: Build the Procurement OS

Rockstar; Seattle (WA); On-site; USD 150,000 - 225,000; Full time

Benefits offered by this job

Equity

Job summary

Rockstar, a seed-stage tech startup in Seattle, is building the modern operating system for global procurement. As an early engineer you will be hands-on, create the initial product, and talk directly with first customers to deliver interfaces with great UX.

You will shape the technical direction, own the architectural roadmap, and iterate quickly from prototype to scalable platform. This role requires strategic thinking, a builder mindset, and comfort working with ambiguity while integrating

Qualifications

• 5+ years building across front-end and back-end.
• Experience with modern, open-source tech (Typescript, React, Next.js, GraphQL, Trigger.dev).
• Startup or agency experience is a bonus, especially in supply chain.
• Ability to build API integrations with speed.
• Experience leading engineering teams and working with non-technical stakeholders.
• Experience with ERP system APIs.

Responsibilities

• Build early versions of the platform and pilot programs with initial customers.
• Lead architectural roadmap and platform integrations with external APIs and cloud infrastructure.
• Develop product specs and frontend components for an enterprise-ready application.
• Iterate rapidly on prototypes and handle ambiguity in a fast-moving startup environment.
• Guide the team to scale the product from 0 to 1 and beyond.

Skills

Full-stack

Typescript

React

Next.js

GraphQL

API integrations

ERP APIs

Leadership

Job description

Rockstar, a seed-stage tech startup in Seattle, is building the modern operating system for global procurement. As an early engineer you will be hands-on, create the initial product, and talk directly with first customers to deliver interfaces with great UX.

You will shape the technical direction, own the architectural roadmap, and iterate quickly from prototype to scalable platform. This role requires strategic thinking, a builder mindset, and comfort working with ambiguity while integrating