Fullstack Engineer (Hybrid) – .NET/Java | Brussels

Optiwisers; Brussel Hoofdstad; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

Optiwisers in Brussels, Belgium, is hiring a Fullstack Developer (.NET / Java) for mid to senior level on a hybrid model. You will work on international projects using .NET, Java, React/Angular/Blazor, with 2 days on site per week and a collaborative, agile team.

Requirements include 3+ years of professional software development, English proficiency, and readiness to work onsite twice weekly.

Qualifications

• 3+ years of professional software development experience.
• Strong experience in backend and/or fullstack development.
• Knowledge of software architecture, clean code, and automated testing.
• Experience working in Agile/Scrum environments.
• Good communication skills and a collaborative mindset.
• Professional proficiency in English.
• Availability to work onsite in Brussels twice a week.
• International projects with leading European organizations.
• Long-term opportunities in modern engineering environments.
• Exposure to cloud technologies and innovative software solutions.
• Collaborative and multicultural teams.

Skills

Backend development

Frontend development

Software architecture

Automated testing

Agile / Scrum

English proficiency

Team collaboration

Cloud exposure

Tools

C# / .NET

Java

React

Angular

Blazor

REST APIs

Microservices

MongoDB

RabbitMQ

Entity Framework Core

Job description

Optiwisers in Brussels, Belgium, is hiring a Fullstack Developer (.NET / Java) for mid to senior level on a hybrid model. You will work on international projects using .NET, Java, React/Angular/Blazor, with 2 days on site per week and a collaborative, agile team.

Requirements include 3+ years of professional software development, English proficiency, and readiness to work onsite twice weekly.