Senior Fullstack Engineer, Marketplace & Embeddable Widgets

Luxoft; United States; A distancia; USD 150.000 - 190.000; Jornada completa

Descripción de la vacante

Luxoft is building a platform that lets companies create marketplaces to connect members with providers and book appointments. You’ll craft embeddable widgets, a questionnaire and booking flows, and the API behind them across web components, a preview app, and a remote MCP server.

This is a hands‑on, AI‑native role where you’ll leverage AI coding tools daily while maintaining quality, security, and compliance with PHI.

Formación

• 6+ years of full-stack engineering shipping production web apps.
• Experience building embeddable widgets or SDKs that run inside other products.
• Strong TypeScript and React, plus backend Python (FastAPI).
• Expertise in web embedding: custom elements, Shadow DOM, iframe sandboxing, CSP, postMessage.
• REST API design with OpenAPI; GraphQL a plus.
• Knowledge of OAuth 2.0, OpenID Connect, and SSO.
• Experience with PHI/PII under HIPAA.
• Daily use of AI coding tools; ensure AI-assisted code is correct and secure.
• You take ownership and drive work to landed delivery.

Responsabilidades

• Build embeddable widget as web components or iframes with style isolation and CSP compatibility.
• Develop questionnaire and booking flows, white-label theming, and the preview app to WCAG 2.1 AA.
• Implement endpoints in Python services and tenancy/partner authentication.
• Generate SDKs from the OpenAPI contract; write developer docs and sandbox experiences.
• Ensure proper handling of PHI; write tests; support CI/CD and incident response.

Conocimientos

Full-stack engineering

Embeddable widgets

TypeScript & React

Python (FastAPI)

Web platform embedding

OpenAPI design & SDK generation

OAuth2 / OpenID Connect / SSO

PHI handling / HIPAA awareness

AI coding tools

Ownership of delivered results

Herramientas

FastAPI

OpenAPI

SDK generation

Descripción del empleo

Luxoft is building a platform that lets companies create marketplaces to connect members with providers and book appointments. You’ll craft embeddable widgets, a questionnaire and booking flows, and the API behind them across web components, a preview app, and a remote MCP server.

This is a hands‑on, AI‑native role where you’ll leverage AI coding tools daily while maintaining quality, security, and compliance with PHI.