Staff Engineer, Developer Platform & SDKs

Jobtailor; Boston (MA); On-site; USD 140,000 - 200,000; Full time

Job summary

Jobtailor is seeking a senior product leader to own developer surfaces, including an SDK and API design, with a strong emphasis on activation and time-to-first-result for technical users.

You will collaborate across product surfaces, build a constrained design system, ship partner-facing experiences from contracts, own the public website as a product surface, and support on-call incident handling.

Qualifications

• 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

Responsibilities

• 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

Skills

React

TypeScript

Python

API Design

SDK Development

Component Library Development

Usability Testing

Quantitative Analysis

Time-To-First-Result Optimization

Product Metrics

Tools

Campaign Management Tools

Budgeting Tools

Chat SDK

Job description

Jobtailor is seeking a senior product leader to own developer surfaces, including an SDK and API design, with a strong emphasis on activation and time-to-first-result for technical users.

You will collaborate across product surfaces, build a constrained design system, ship partner-facing experiences from contracts, own the public website as a product surface, and support on-call incident handling.