Member of Technical Staff, Product

Superintelligence

Product engineer building chat, SDK, campaign, and partner-facing interfaces for Physical Superintelligence’s AI-driven physics discovery platform. Developing shared contracts and design-system infrastructure.

Posted 8/16/2026full-timeBoston • Massachusetts • 🇺🇸 United StatesLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building user-centric products, with a strong focus on API and SDK design, full-stack development using React, TypeScript, and Python, and a commitment to improving user experience through effective product metrics and design systems.

Highest-signal resume keywords

Full-Stack DevelopmentAPI And SDK DesignProduct OwnershipDesign-System ExperienceUser-Centric Problem Solving

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactTypeScriptPythonAPI DesignSDK DevelopmentComponent Library DevelopmentUsability TestingQuantitative AnalysisTime-To-First-Result OptimizationProduct Metrics

Soft Skills

Sound JudgmentScope ManagementCollaboration

Tools & Technologies

Campaign Management ToolsBudgeting ToolsChat SDK

Industry Keywords

Developer ToolsPlatform ProductScientific UsersTechnical UsersData-Heavy Users

Tech Stack

Tools & technologies

PythonReactTypeScript

About the role

Key responsibilities & impact

Build the user's path through the platform, including chat, SDK, campaign management, and budget and spend tooling
Own and improve time-to-first-result as a product metric
Ensure new users can reach a real result without engineer assistance
Build partner-facing product surfaces from a shared contract
Own and ship the public website as a product surface
Build a constrained design system and component library for humans and AI agents
Collaborate across product surfaces using shared contracts
Write contracts before logic and test against real systems instead of mocks
Take ownership from specification through shipping and on-call

Requirements

What you’ll need

Five or more years building product
Shipped a developer surface adopted by users, such as an SDK, API, or internal tool, with provable adoption
Full-stack experience with React and TypeScript on the front end and Python on the back end
API and SDK design expertise, including ergonomics, sensible defaults, backward-compatible evolution, and user-focused error messages
Ability to work from user problems and remove usability barriers
Ability to ship quickly with sound judgment and scope management
Developer-tools or platform-product background preferred
Experience measured on activation, retention, or time-to-first-result preferred
Design-system experience preferred
Experience building for scientific, technical, or data-heavy users preferred
Comfort rendering and manipulating quantitative results preferred
Experience making product surfaces legible to AI agents, including structured outputs, machine-readable errors, and composable components, preferred
Technical breadth, systems thinking, scientific curiosity, and shipping velocity
Work authorization question: whether the candidate now or ever will require sponsorship to work in the United States

Benefits

Comp & perks

Competitive compensation including salary, benefits, and meaningful early-stage equity
Full ownership of work from spec to ship to on-call
AI-native development process with agentic coding tools
Equal opportunity employer valuing diverse perspectives