Software Developer SharePoint & .NET

Seidor Gesein

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profile Job Location:

Madrid - Spain

profile Daily Salary: EUR 310 - 310
Posted on: 27-10-2025
Vacancies: 1 Vacancy

Job Summary

Strategic European project in Microsoft environment focused on evolving FRONTEXs training management platform.

This is a freelance-only position ideal for senior developers seeking long-term collaboration and technical leadership in an international setting.

Tasks

Custom development and technological evolution:

  • Migrate SharePoint 2019 systems to SharePoint Subscription
  • Redesign Microsoft-based solutions independent of SharePoint
  • Design and develop new features for the training management platform
  • Create prototypes and new applications based on the Product Backlog
  • Optimize performance security and accessibility (including screen reader testing)
  • Produce technical and user documentation
  • Report development progress estimate effort and define development standards
  • Collect and interpret software metrics
  • Train administrators in the use of the applications

Maintenance and technical support:

  • Perform corrective adaptive and preventive maintenance systems
  • Provide 2nd and 3rd level technical support
  • Update software and fix vulnerabilities
  • Maintain technical documentation and reporting
  • Collaborate in defining requirements for adaptive maintenance

Requirements

This opportunity is open exclusively to FREELANCE professionals.

Professional experience:

  • Minimum 5 years with and SharePoint
  • Participation in at least 2 ICT projects focused on knowledge management workflows and business processes
  • Experience in developing corporate-level enterprise systems
  • Involvement in at least one full development lifecycle

Technical skills:

  • Design and development of data business logic and presentation layers (UI)
  • UML knowledge
  • Experience in Scrum / Agile environments
  • Ability to lead technical teams
  • Skilled in documenting technical solutions clearly and structurally
  • Strong problem-solving abilities

Education and certifications:

  • University degree in ICT (mandatory)
  • Advanced certification in software development technologies (mandatory)
  • English level B2 (Common European Framework) validated by certificate or test

Benefits

  • Long-term freelance contract (up to 4 years) .
  • Modality: Warsaw Far-Site.
  • On-site presence required: 20 days/year (paid at 570/day).
  • Remaining service delivered remotely (310/day)
  • Participation in key digital transformation projects for a European agency

Ready to contribute to high-impact enterprise solutions in a stable long-term freelance collaboration
Apply now and elevate your career in high-performance Microsoft environments.

Strategic European project in Microsoft environment focused on evolving FRONTEXs training management platform.This is a freelance-only position ideal for senior developers seeking long-term collaboration and technical leadership in an international setting.TasksCustom development and technological ...
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Key Skills

  • CSS
  • .NET
  • HTML5
  • ASP.NET
  • Microsoft SQL Server
  • C#
  • Visual Studio
  • TFS
  • ADO.NET
  • JavaScript
  • Sharepoint
  • XML

About Company

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Somos Seidor Gesein una consultora de RRHH especializada en la selección de perfiles tecnológicos IT.No nos conoces Te animo a visitar nuestra página web y a seguirnos en LinkedIn para estar informado de todas nuestras novedades.

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