Junior Software Engineer

Kickstart your developer career in Frontend, Backend or Fullstack at AppTweak! 🚀

We are looking for passionate Junior Software Engineers to join our third-stage rocket ship.

You’ll be responsible for helping us bring AppTweak to the next level, you will work in a multi-skilled team responsible for part of the AppTweak tool and infrastructure.

Check our ✨Tech Stack page✨ for more information!

If you have what it takes to help us grow, we’d love to hear from you!

Location: Brussels, Belgium.

Work modality: Hybrid (3x in the office, 2x from home).

Starting date: September/October 2026. 

[Please note you will need to be based in Belgium and to have a valid visa/work permit to be eligible for the role].

Your Responsibilities:

As a software developer specialized either in Frontend, Backend, or Full-stack, we expect you to have a strong understanding of the current tech environment and help us make the right decisions. You will be understanding business requirements and translating these into strong scalable systems.

We expect you to take part in the implementation and collaborate with other members of your team to bring new features to life from the idealization to the final tests, deployment, and maintenance.

Must-have:

• Bachelor's or master's degree preferably in computer science or engineering.
• First xperience or knowledge of coding with a programming language such as React, Angular, Vue (frontend), Ruby, Python or Node (backend).
• Team player: you are seeking the added value of team members to achieve more!
• You're hands-on and autonomous. You find creative solutions to problems in a fast-moving environment.
• Experience/knowledge working with SQL databases.
• You are fluent in English.

Nice-to-have:

• A first work experience or previous internship is a plus.
• GitHub profile or link to open source work
• Experience with Rails or equivalent web frameworks such as Symfony, Django or ExpressJS.
• Experience with AWS / Kubernetes / Docker.
• You love food!
• Please note you will need a European valid visa/work permit to be eligible for the role.

What’s in it for you?

• Grow your career with one of Belgium’s top tech scale-ups.
• Competitive and optimized salary package.
• 12 RTT days per year, on top of regular holidays.
• Flexibility in your work, with opportunities to learn and express your creativity.
• A diverse team within a flat hierarchy: altogether we speak more than 15 languages!
• Connect with colleagues during quarterly team-building events and a yearly company-wide retreat.
• Make a difference with one volunteer day every quarter to give back to the community.
• And yes, we’re serious about food: get ready to swap recipes and enjoy delicious moments with the team! 🍴