Senior SharePoint Front-end Developer (f/m/x)

Sii Sp. z o.o. is looking for an experienced Senior SharePoint Front-end Developer to join our team and contribute to innovative solutions for SharePoint Online. In this role, you will be responsible for developing and maintaining the frontend layer of a Knowledge Base, collaborating closely with backend teams and analysts to ensure high-quality, efficient, and user-friendly applications.

Key responsibilities

• Developing and maintaining the frontend layer of a Knowledge Base based on SharePoint Online.
• Designing and implementing SPFx and React components.
• Integrating with Microsoft 365 services and internal system APIs.
• Collaborating with backend teams, analysts, and UX designers to ensure solution quality.
• Ensuring the performance and usability of the developed SharePoint solutions.

Requirements

• Minimum 5 years of experience in creating SharePoint Online solutions using SPFx, React, and TypeScript.
• Very good knowledge of PnP SPFx Controls, PnPJs, Fluent UI, and Microsoft Graph API.
• Experience in creating Web Parts, forms, and business components for SharePoint Online.
• Experience in integrating applications with REST APIs and familiarity with Git and CI/CD processes.
• Advanced level of Polish and intermediate level of English.

What we offer

• Employment stability within a leading technology consulting company with a strong market position.
• Access to a wide range of fascinating projects for prestigious global brands.
• Attractive benefits package including private healthcare and a benefits cafeteria platform.
• Investment in professional growth through meetups, webinars, and a dedicated training platform.
• A friendly and inclusive work environment recognized by the Great Place to Work title.