Office Add-In Developer R Systems International

5.0 - 9.0 years

8 - 18 Lacs

Greater Noida

Work from Office

We are looking for an experienced Office Add-in Developer with strong expertise in Office.js to design and build modern, cross-platform add-ins for Microsoft Office applications (Word, Excel, Outlook, PowerPoint). The ideal candidate will have a solid background in JavaScript/TypeScript, web technologies, and Office Add-in architecture with a passion for enhancing Office user experiences. Key Responsibilities: Design, develop, and deploy Office Add-ins using Office.js , HTML5, CSS3, and JavaScript/TypeScript. Build responsive and intuitive UI panels and task panes that integrate seamlessly with Office apps. Work with Office APIs to manipulate documents, spreadsheets, emails, and presentations. Integrate add-ins with RESTful APIs, Microsoft Graph, and external web services. Collaborate with product managers, designers, and QA teams to define, develop, and deliver features. Ensure compatibility across Office desktop, web (Office Online), and mobile platforms. Manage authentication and authorization flows using Microsoft Identity Platform (MSAL). Follow Microsofts design guidelines and security best practices for Office Add-ins. Troubleshoot issues, optimize performance, and provide technical documentation. Required Skills & Qualifications: Bachelors degree in Computer Science, Engineering, or related field. 3+ years of experience developing web applications with JavaScript/TypeScript. Hands-on experience with Office.js API and development of Office Add-ins . Proficiency in HTML, CSS, JavaScript, TypeScript , and RESTful API consumption. Familiarity with React, Angular, or other front-end frameworks (React preferred). Understanding of Office Add-in manifest schema , sideloading, and deployment practices. Experience with authentication using MSAL/Azure AD and calling Microsoft Graph API . Knowledge of Microsoft 365 and Office app behaviors across platforms. Preferred Qualifications: Experience developing add-ins for multiple Office products (e.g., Word, Excel, Outlook). Familiarity with CI/CD pipelines and DevOps practices for Office Add-in deployment. Knowledge of localization, accessibility, and cross-platform UI best practices. Exposure to SharePoint Framework (SPFx) or Teams App development is a plus. Mandatory Skills - Office.js, JavaScript, TypeScript, HTML5, CSS3 Roles & Responsibilities Design, develop, and deploy Office Add-ins using Office.js , HTML5, CSS3, and JavaScript/TypeScript. Build responsive and intuitive UI panels and task panes that integrate seamlessly with Office apps. Work with Office APIs to manipulate documents, spreadsheets, emails, and presentations. Integrate add-ins with RESTful APIs, Microsoft Graph, and external web services. Collaborate with product managers, designers, and QA teams to define, develop, and deliver features. Ensure compatibility across Office desktop, web (Office Online), and mobile platforms. Manage authentication and authorization flows using Microsoft Identity Platform (MSAL). Follow Microsofts design guidelines and security best practices for Office Add-ins. Troubleshoot issues, optimize performance, and provide technical documentation. Skills to be evaluated on Office.js,JavaScript,TypeScript,HTML5,CSS3 Years Of Experience- 5 to 9 Years

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