Senior SharePoint Front-end Engineer | SPFx & React

Sii Poland; Białystok; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Great Place to Work

Job summary

Sii Poland is seeking an experienced SharePoint Front-end Developer to build and maintain the frontend of a Knowledge Base on SharePoint Online. You will design SPFx and React components, integrate with Microsoft 365 services, and collaborate with backend teams and UX designers.

The role requires 5+ years in SharePoint Online, strong SPFx/React/TypeScript skills, and proficiency with PnP Controls, PnPJs, Fluent UI, and Graph API. Polish residency in Poland and intermediate English are required.

Qualifications

• 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.
• Familiarity with Git and CI/CD processes.
• Advanced level of Polish and residence in Poland.
• Intermediate level of English.

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.
• Ensuring the quality, performance, and usability of the solution.

Skills

SharePoint Online

SPFx

React

TypeScript

REST APIs

Git

CI/CD

Polish language

English language

Tools

PnP SPFx Controls

PnPJs

Fluent UI

Microsoft Graph API

Job description

Sii Poland is seeking an experienced SharePoint Front-end Developer to build and maintain the frontend of a Knowledge Base on SharePoint Online. You will design SPFx and React components, integrate with Microsoft 365 services, and collaborate with backend teams and UX designers.

The role requires 5+ years in SharePoint Online, strong SPFx/React/TypeScript skills, and proficiency with PnP Controls, PnPJs, Fluent UI, and Graph API. Polish residency in Poland and intermediate English are required.