**Senior Web \& React Native SDK Engineer** ------------------------------------------- **LATAM – 100% Remote** **Powered by AccelOne** ### **About AccelOne** AccelOne is a nearshore software development partner serving clients across the U.S. and Latin America. Our senior\-level teams integrate seamlessly with client organizations, delivering high\-quality engineering, design, and AI\-enabled solutions powered by transparency, collaboration, and cultural alignment. We work with modern, product\-driven companies that value clean architecture, strong engineering practices, and excellent developer experience. ### **About the Project** Our client is building a core personalization platform used by external clients and partners across web and mobile environments. As part of this ecosystem, they maintain **Web and React Native SDKs** that allow third\-party applications to integrate seamlessly with their APIs. This role focuses on **SDK and platform engineering**, not product UI development. The mission is to ensure stability, backward compatibility, performance, and a great developer experience across browser\-based and mobile (React Native) integrations. ### **Role Summary** We are looking for a **Senior Web \& React Native SDK Engineer** to own and evolve the company's Web and React Native SDKs. This is a **platform\-level engineering role**, ideal for someone with strong JavaScript/TypeScript fundamentals who has experience building and maintaining **SDKs, libraries, or reusable packages** used by other developers. You will work closely with Backend, iOS, and Android SDK engineers to ensure consistent behavior across platforms, while managing SDK releases, versioning, documentation, and developer tooling. ### **Key Responsibilities** #### **SDK Design \& Development** * Design, develop, and maintain **Web and React Native SDKs** used by external clients and partners. * Build SDK APIs that wrap company REST services for event tracking, reporting, and personalization. * Ensure SDK stability, performance, and **backward compatibility** across versions. * Manage SDK versioning, releases, and dependency coordination. * Publish and maintain SDK packages via **npm**. #### **Quality, Tooling \& Documentation** * Develop and maintain **unit tests** for shared and platform\-specific SDK logic. * Optimize SDK size, performance, and reliability. * Maintain SDK documentation, integration guides, and usage examples. * Maintain demo applications (Web and React Native) used to validate and showcase SDK functionality. #### **Cross\-Platform Collaboration** * Collaborate closely with **Backend**, **iOS**, and **Android SDK** engineers to align behavior and contracts across platforms. * Participate in technical discussions around architecture, API design, and developer experience. * Contribute to CI/CD pipelines related to SDK build, test, and release processes. ### **Required Qualifications** * 5\+ years of professional experience with **JavaScript / TypeScript**. * Strong proficiency in **TypeScript**. * Proven experience building and maintaining **SDKs, libraries, or reusable packages** (not just applications). * Experience supporting **React Native** across both iOS and Android environments. * Experience building **browser\-based SDKs** and handling cross\-browser compatibility. * Strong experience consuming and abstracting **RESTful APIs**. * Experience publishing, versioning, and maintaining packages via **npm**. * Proficiency with Git and modern **CI/CD pipelines**. * Strong communication skills and advanced English. ### **Nice to Have** * Experience supporting **external or partner\-facing SDKs**. * Experience with SDK\-level error handling, logging, and diagnostics. * Knowledge of package bundling, tree\-shaking, and size optimization techniques. * Familiarity with **native bridges** in React Native. * Experience collaborating closely with native **iOS and Android SDK teams**. ### **What We Offer** * 100% remote work across LATAM. * Competitive compensation aligned with seniority and technical depth. * Work on a core platform with high impact and real\-world usage. * Collaboration with senior, distributed engineering teams. * A culture built on transparency, ownership, and technical excellence.