Skip to content

Junior Full Stack Developer

  • Brussels, Brussels Hoofdstedelijk Gewest, Belgium
Full Stack

Job description

We are looking for a passionate Junior Full-Stack Developer to join our second-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)

Your Responsibilities:

  • As a full-stack developer, we expect you to have a strong understanding of the current tech environment and help us make the right decisions by 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.

  • You will integrate one of our squads and your focus will be to:
    • Design and implement client-side and server-side architecture for our new features.

    • Participate in code review and interact with your colleagues to ensure the best quality for the team's projects.

    • Troubleshoot, debug and improve previously deployed features.

Job requirements

Your profile:


  • Bachelor's or master's degree in computer science or engineering.

  • Experience or knowledge of coding with a programming language such as Ruby, Python, Node.

  • 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.


  • 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? 

  1. We care about you

  • Flexibility in your work and opportunities for continuous learning and creative thinking.

  • Supportive and collaborative environment focused on personal growth.

  • Hybrid “office/work from home” policy (We go to the office 3x per week and 2x we work from home).

  • 20 paid holidays per year + 12 days RTT on top of the fundamentals (meal vouchers, annual “éco-chèques”, hospitalization & group insurance, end-of-the-year bonus, etc.)

  • Fresh fruits, nuts, and snacks self-serve in the office.

  • 1 volunteering day every quarter dedicated to helping a Brussels-based organization.

  • Chance to discover new food recipes, because yes, we love food!

    2. An inspiring environment

  • Chance to connect with a variety of high-profile apps and games across different verticals.

  • A unique company culture based on 4 values: Learn, Play, Perform, Friendly.

  • A diverse team within a flat hierarchy. Altogether we speak more than 15 languages.

  • Yearly company-wide team building in Europe to meet your colleagues from all over the world.

  • A combination of personal and company growth to accelerate your career and help you reach your goals.

  • Regular general team meetings and demo days to make sure everyone is aligned with AppTweak's growth path, mission and vision.

Our recruitment process

  • A first video call with Madeleine from HR to get to know each other and tell you more about AppTweak.

  • A video interview with the tech team to deep dive into your past experience and learn more about your aspirations.

  • A technical case, to test your skills related to the position.

  • Final call with the tech team or the C-level.

Who are we?

AppTweak is the leading App Store Optimization (ASO) tool - think SEO but then for the app stores. Our all-in-one platform provides mobile marketers and app publishers with all the data and insights they need to increase their app or game’s visibility, grow organic downloads, and find new growth opportunities. In the last 4 years, AppTweak grew its revenue by 500%. In April 2021, we raised a $22 million investment in series B funding.

Today we are a team of +100 people based in 5 offices around the globe (Brussels, San Francisco, Bengaluru, Tokyo, and Seoul) supporting more than 1,900 customers worldwide, including game studios such as Com2Us, EA Games, and Zynga or app businesses like Yelp, PayPal, Amazon Music, etc. We’re gearing up for fast growth and are looking for ambitious individuals to join our team!


Apply with Linkedin unavailable
Apply with Indeed unavailable