Senior SpreadJS Developer

Compare your skills with our requirements

We are looking for a highly skilled Senior SpreadJS Developer to join our team and work on advanced spreadsheet-based applications. You will collaborate closely with our product and engineering teams to design, develop, and maintain interactive spreadsheet components using SpreadJS, ensuring top performance and usability.

Must-have

• 3+ years of professional experience with SpreadJS and advanced spreadsheet application development
• Strong proficiency in JavaScript, TypeScript, and modern frameworks (React, Angular, or Vue)
• Solid understanding of data binding, formulas, custom cell types, and SpreadJS API
• Experience with performance optimization and handling large datasets in SpreadJS
• Ability to write clean, maintainable, and well-documented code
• Strong problem-solving skills and attention to detail
• Excellent communication skills in English

Is a plus

• Experience integrating SpreadJS with backend APIs (REST or GraphQL)
• Knowledge of Excel add-in development or other spreadsheet tools
• Familiarity with financial modeling or data analytics applications
• Experience with unit testing and automation frameworks
• Understanding of web performance optimization and accessibility standards
• Knowledge of containerization (Docker) and CI/CD pipelines

What you will do

• Develop, maintain, and enhance spreadsheet-based web applications using SpreadJS
• Implement complex formulas, data visualization, and custom functionalities
• Optimize spreadsheet performance for large datasets
• Collaborate with designers, product managers, and backend developers to deliver high-quality features
• Troubleshoot and resolve technical issues related to SpreadJS
• Participate in code reviews, share best practices, and mentor junior developers
• Continuously explore and implement new SpreadJS features to improve the user experience