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Offer summary
(Summary generated by AI based on the full job description)
The project involves developing and maintaining the frontend layer of a Knowledge Base based on SharePoint Online. Key technologies include SPFx, React, TypeScript, PnP SPFx Controls, PnPJs, Fluent UI, and Microsoft Graph API. Responsibilities cover designing components, integration with Microsoft 365 and internal APIs, and collaboration with backend and analysts. Knowledge of REST API, Git, CI/CD and advanced Polish language skills are required.
Senior SharePoint Front-end Developer (f/m/x)
Company: Sii Sp. z o.o.
from: 8 September 2026
to: 8 October 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:remote • hybrid • full office
Rzeszów, Subcarpathia
Requirements
Expected technologies
React.js
TypeScript
SharePoint Framework (SPFx)
Git
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
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
About the project
We are looking for an experienced SharePoint Front-end Developer to join our team and work on innovative solutions for SharePoint Online. In this role, you will be responsible for developing and maintaining the frontend layer of a Knowledge Base using SharePoint Online, collaborating with backend teams and analysts to ensure high-quality and efficient solutions. If you are passionate about creating impactful SharePoint applications, this opportunity may be the right fit for you.
This is how we work on a project
- Continuous Deployment
- Continuous Integration
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
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Senior SharePoint Front-end Developer (f/m/x)
I apply to:
Sii Sp. z o.o.
Rzeszów, Subcarpathia
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