C# Developer Consultant

BelgiumBelgium·Charleroimid
OtherConsultant
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Quick Summary

Key Responsibilities

Develop new features in C#. Optimize PostgreSQL queries to improve performance. Implement the RESTful API for integration with other educational tools. Create user interfaces for new functionalities.

Requirements Summary

Main Language: C# Framework: .NET (version to be specified according to existing setup) Database: PostgreSQL ORM: Entity Framework Core Frontend: ASP.

Technical Tools
OtherConsultant

We are seeking to enhance and extend the functionalities of an existing course management platform developed in C# with a PostgreSQL database. This consultancy mission at a client site representing Keystone Solutions aims to optimize the experience for both teachers and students.


Responsibilities

~1 min read

  • →Develop new features in C#.
  • →Optimize PostgreSQL queries to improve performance.
  • →Implement the RESTful API for integration with other educational tools.
  • →Create user interfaces for new functionalities.


  • Analyze existing systems and gather educational needs.
  • Design new functionalities.
  • Develop extensions.
  • Conduct testing, optimization, and integration.

Requirements

~1 min read

  • Main Language: C#
  • Framework: .NET (version to be specified according to existing setup)
  • Database: PostgreSQL
  • ORM: Entity Framework Core
  • Frontend: ASP.NET Core MVC or Blazor (depending on existing architecture)
  • API: ASP.NET Core Web API
  • Testing: NUnit or xUnit
  • Project Management: Azure DevOps or Jira

French
Level Active knowledge


  • Ensure compatibility with the existing version of C# and .NET.
  • Optimize PostgreSQL queries to handle a large number of users and courses.
  • Adhere to security and privacy standards for educational data.
  • Ensure accessibility of new features for all users.
  • Design an intuitive and responsive user interface.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.


  • Agile / Scrum - Level: Confirmed - Most recent: Any time
  • C# - Level: Confirmed - Most recent: Any time
  • JIRA - Level: Junior - Most recent: Any time
  • ORM (object-relational mapping) - Level: Confirmed - Most recent: Any time
  • Postgres - Level: Confirmed - Most recent: Any time
  • Web development - Level: Confirmed - Most recent: Any time

Location & Eligibility

Where is the job
Charleroi, Belgium
On-site at the office
Who can apply
BE

About this job

Who can apply
Belgium
Posted
13 days ago
Employer
has 688 open jobs on Jobera.

Listing Details

First seen
October 1, 2026
Last seen
October 7, 2026

Posting Health

Days active
13
Repost count
0
Trust Level
24%
Scored at
October 15, 2026

Signal breakdown

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C# Developer Consultant