
We are looking for a highly skilled Senior Frontend Developer who has hands-on experience building Microsoft Word Add-ins using Office.js and the Word JavaScript API.
This role requires someone who is a self-starter, works independently with zero handholding, and takes full ownership of design, development, and problem-solving.
You will build intuitive, high-performance UI components using React/Next.js, create advanced Word Add-in functionalities, and integrate deeply with systems like Salesforce.
Key Responsibilities
Build and maintain modern, responsive UIs using React, Next.js, Tailwind CSS.
Develop advanced Microsoft Word Add-ins (task panes, ribbons, commands) using Office.js and the Word JavaScript API.
Implement document automation workflows (templating, DOCX, PDF generation).
Integrate Add-ins with Salesforce and other CRMs via REST APIs/OAuth.
Collaborate with design and backend teams to deliver smooth user experiences.
Ensure high performance, clean code architecture, and usability standards.
Troubleshoot complex technical issues independently and propose solutions.
Own end-to-end delivery with minimal supervision.
Required Skills
Frontend:
React.js, Next.js, TypeScript, JavaScript (ES6+)
Tailwind CSS, SCSS, HTML5, CSS3
Microsoft Add-ins (Mandatory):
Office.js
Word JavaScript API
Must have built and deployed at least one Word Add-in end to end
Integrations:
Salesforce / Zoho / HubSpot APIs
REST APIs, OAuth2, JWT
Tools & Practices:
Git, Webpack/Vite/Turbopack
CI/CD workflows
Strong debugging and performance optimization skills
Nice to Have
Experience publishing Add-ins to Microsoft AppSource
Understanding of document automation and enterprise workflows
Familiarity with Agile/Scrum
Soft Skills
Self-starter who can work without management or micromanagement
Strong problem-solving and analytical mindset
Eye for clean UI/UX and attention to design detail
Excellent communication and ownership-driven attitude

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expert and handpicked teachers.
For more updates, please subscribe to our Instagram
handle: https://www.instagram.com/planetspark/" target="_blank">https://www.instagram.com/planetspark/
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