Junior SharePoint Software Engineer — Build & Grow (Warsaw)

SEIDOR; Warszawa; On-site; PLN 60,000 - 90,000; Full time

Job summary

SEIDOR in Warsaw is seeking a Junior Software Developer-SharePoint to join our team from Warsaw. You will develop software components and contribute through the full development lifecycle, including requirements analysis, testing, QA, and deployment.

You will prototype and propose technical solutions, optimize performance and security, and produce technical documentation while providing 2nd/3rd line support and performing software testing.

Qualifications

• Experience in SharePoint development and supporting technologies (PnP, REST API, Graph).
• Server-side development with C#, .NET Framework, and SQL. Web Parts, Event Receivers, Timer Jobs.
• Secure coding practices per OWASP, including preventing XSS/SQL injection.
• At least one complete solution lifecycle completed.
• Ability to work across data, business logic, or UI layers.
• Ability to read UML and document technical solutions.

Responsibilities

• Develop software components and contribute throughout the development lifecycle.
• Participate in requirements analysis, testing, QA, change management and deployment.
• Prototype and propose technical solutions for business and technical needs.
• Optimize software performance, security and quality.
• Produce clear technical documentation.
• Provide 2nd and 3rd line support.
• Perform software testing.

Skills

SharePoint development

C# / .NET

SQL

Web Parts

Microsoft Graph API

PnP

OWASP

Testing

UML

Tools

REST API

Job description

SEIDOR in Warsaw is seeking a Junior Software Developer-SharePoint to join our team from Warsaw. You will develop software components and contribute through the full development lifecycle, including requirements analysis, testing, QA, and deployment.

You will prototype and propose technical solutions, optimize performance and security, and produce technical documentation while providing 2nd/3rd line support and performing software testing.