Eulerity
Marketing Technology
SoftwareEngineer(WebSDK)
Neural analysis suggests this role is
optimal for Mid+ candidates.
“Software Engineer (Web SDK) at Eulerity. Skills: Web SDK development, AI automation workflows, API design. Design developer-facing SDKs. Ship developer-facing SDKs”
Industry & Context.
Separation-of-concerns judgment
Hybrid work (3x office)
What They're Looking For.
Must Have
Proven experience designing and shipping developer-facing SDK, 2–3 years of professional experience with React & TypeScript, Well-versed in building custom AI automation workflows, Solid understanding of fundamentals (HTML/CSS/JavaScript, APIs), Familiarity with standard engineering workflows, Written communication, including clear technical documentation, Based in the NYC metro area, Authorized to work in the US
Nice to Have
Experience building embeddable / third-party components, Monorepo and release tooling experience, Automated CI release pipelines, Backend / full-stack work (Java), Technical writing and developer documentation experience
What You'll Do.
Design developer-facing SDKs
Ship developer-facing SDKs
Manage public API surface
Manage TypeScript types
Manage semantic versioning
Manage packaging/distribution
Manage backwards compatibility
Build AI-powered automation workflows
Maintain AI-powered automation workflows
Integrate with data models
Incorporate PR feedback
Collaborate across teams
Align on best practices
Align on shared architecture
Align on product direction
How You'll Work.
Team & Collaboration
Web, mobile, backend teams; Product and Design teams
Communication Scope
Written communication; Verbal communication; Technical documentation
Process & Methodology
Agile
Full Job Description
Eulerity is a fast-growing marketing technology company transforming how franchises and small businesses approach digital advertising. Built by former leaders from Google, Facebook, and Yahoo!, our platform combines decades of experience in engineering and marketing to deliver an industry-leading, automated solution. We make it easy to plan, launch, and analyze paid campaigns across Google Search, Meta (Facebook/Instagram), Display, Video, and organic social - all from one intuitive platform. We believe breakthrough results happen when technology, strategy, and creativity come together. By combining automation with human insight, we empower brands to scale smarter, move faster, and grow stronger. Internally, we're just as committed to growth. We cultivate a culture where ambitious, curious, and driven individuals are empowered to lead, learn, and elevate those around them. Your Role Designing, building, and shipping developer-facing SDKs consumed by other engineers. Owning the SDK as a product: the public API surface, TypeScript types, semantic versioning, packaging/distribution, backwards compatibility, and documentation. Building and maintaining AI-powered automation workflows that connect our product to internal and external systems. Developing and testing new features using AI-assisted tooling and autonomous agents, maintaining the codebase, integrating with APIs and data models, and owning the PR lifecycle (writing, reviewing, and incorporating feedback). Collaborating across web, mobile, and backend teams to align on best practices, shared architecture, and product direction. Partnering with Product and Design to translate designs and prototypes into shipped solutions for our users and the engineers who build on our SDK. About You SDK/library builder. You design clean, intuitive, hard-to-misuse APIs and think about the developer on the other side of your interface. AI-first engineer. You've set up custom automation workflows (e.g., wiring Claude or similar LLM
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