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Sii Sp. z o.o.

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

Sii Sp. z o.o. Show all offers
B2B
Hybrid
Senior
Białystok
Piła
Warszawa
Bydgoszcz
+10
Expires Oct 8, 2026
10 days ago

In short

Senior SharePoint Front-end Developer needed for Knowledge Base project. Responsibilities include SPFx/React component development, M365 integration. Requires 5+ years of SharePoint Online experience, SPFx, React, TypeScript, PnP, MS Graph API. Hybrid work in Białystok.

Keywords

SharePoint Online SPFx React TypeScript Microsoft Graph API REST APIs Git CI/CD

AI-written summary based on the listing content.

Technologies we use

About the project

Your 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

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

Optional

  • Knowledge of TanStack Query, Redux Toolkit, or Zod
  • Experience with Power Platform
  • Experience in intranet projects, knowledge portals, or SharePoint Online-based solutions

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

This is how we work on a project

Published 2026-09-08
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