SDK Engineer — AI-Powered Web Platform

Eulerity, Inc.; New York (NY); Hybrid; USD 100,000 - 125,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Unlimited PTO

In-office lunch stipend

Commuter benefits

401(k) with company match

Hybrid model (3x in office per week)

Summer Fridays

Job summary

Eulerity, Inc. is seeking an experienced SDK engineer to design and ship developer-facing SDKs used by other engineers. You’ll own the public API surface, TypeScript types, and documentation, while building AI-powered automation workflows and collaborating across teams.

You’ll work with React & TypeScript, ensure clean architecture, and contribute to a product-oriented SDK strategy in a hybrid NYC environment. US work authorization is required.

Qualifications

• Proven experience designing and shipping a developer-facing SDK, library, or public API consumed by other engineers.
• Strong separation-of-concerns judgment to design framework-agnostic core logic decoupled from bindings for multiple front-end frameworks.
• Experience packaging and distributing libraries: bundling, ESM/CJS, tree-shaking, and npm publishing.
• 2-3 years of professional experience with React & TypeScript, including building reusable components and strong typing as a public contract.
• Well-versed in building AI automation workflows and integrating with APIs.

Responsibilities

• Designing, building, and shipping developer-facing SDKs consumed by other engineers.
• Owning the SDK as a product: public API surface, TypeScript types, versioning, packaging, compatibility, and docs.
• Building and maintaining AI-powered automation workflows connecting our product to systems.
• Developing features with AI-assisted tooling, maintaining codebase, and managing PR lifecycle.
• Collaborating across web, mobile, and backend teams on architecture and product direction.
• Partnering with Product and Design to translate designs into shipped SDK solutions.

Skills

SDK design

AI-first engineering

Self-starter

Ownership

Attention to detail

Technical documentation

Tools

React

TypeScript

NPM publishing

Job description

Eulerity, Inc. is seeking an experienced SDK engineer to design and ship developer-facing SDKs used by other engineers. You’ll own the public API surface, TypeScript types, and documentation, while building AI-powered automation workflows and collaborating across teams.

You’ll work with React & TypeScript, ensure clean architecture, and contribute to a product-oriented SDK strategy in a hybrid NYC environment. US work authorization is required.