onsite

Freelance CRM developer - adesso Belgium

Software Engineer

Freelance CRM developer role focused on designing and extending CRM solutions, leveraging JavaScript, .NET, and SQL while integrating REST APIs and working within Agile teams for European clients.

About the role

Freelance CRM developer at adesso Belgium.

Key technologies: Software Development, System Design, Problem Solving.

Key Responsibilities

Design, develop and maintain scalable software systems
Write clean, well-tested and documented code
Participate in code reviews and contribute to engineering best practices
Collaborate with product and design teams to deliver features

Requirements

3+ years of relevant experience in software engineer
Experience with software design patterns and architecture
Solid understanding of data structures and algorithms

Skills

javascriptsql

Companyadesso Belgium

DepartmentEngineering

LocationBrussels, Belgium

Experience3+ years

Tenurefull-time

LevelMid-Level

Posted June 18, 2026