Hybrid Freelance Backend Developer — Open Source

Smile Open Source Solutions in Brussels is seeking a talented .NET Developer (Freelance) to join our dynamic team on high-impact projects for a major client. The role is hybrid (2-3 days remote per week) with responsibilities spanning design, development, and mentoring for senior profiles.The candidate will work with C#, .NET Core / .NET 6+, ASP.NET Core,...

Smile, the European leader in open-source integration, is seeking a Freelance Java Developer for Brussels. The role involves designing, developing, and maintaining enterprise applications in a hybrid setup (2-3 days remote per week) with a senior-to-medior level of expertise.You'll work on API security, REST/SOA architectures, and modern architectural...

About Smile & The Opportunity Passionate about tech, digital, and innovation? Join the 1,800 employees at Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our...

Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Type: Freelance About Us: Why Smile! Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts...

Smile in Brussels is seeking a freelance Backend Developer to join our dynamic team on high-impact projects for a major client. The role is hybrid (2-3 days remote per week) with a focus on scalable APIs, microservices, and cloud-native architecture. The candidate should have strong expertise in Python/Node.js/Java/Go, databases, REST/GraphQL, and...

pPassionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible...

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible...

About Smile & The OpportunityPassionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more...

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries every day to build a smarter, more efficient, and more responsible digital world....