Full Stack Software Engineer (f/m/x)

bonial helps you save time, money and paper!

We are a digital advertising partner for offline businesses - we support retailers in their marketing activities and help them find a new audience. Would you like to join and be a part of digitalisation of retail?

bonial is part of Axel Springer SE and is the leading "Drive to Store" partner in Germany and France. Every day we inspire millions of users by connecting them to their favourite shops and brands via our platforms kaufDA and MeinProspekt in Germany, and bonial in France.

bonial welcomes both full- and part-timers!

What to expect when joining the Acquisition Domain - Team CATCH

Join us in shaping the future of millions of users who discover our platforms every day.

Our mission is to build landing pages and web services that turn organic visitors into loyal users of our web and native apps. With strong brands like kaufDA, Bonial.fr, and MeinProspekt, we’ve been dominating the top search rankings in the retail space for over 17 years. We’re modernising the full technical stack behind our web platform — landing pages, editorial sites, and web apps — and you’ll play a key role in making this transformation a success. You’ll also explore new technical opportunities to attract and engage future users.

Your role as Full Stack Engineer

You’ll become part of a collaborative, cross-functional team where engineering excellence meets real business impact. Your work will span from backend services to frontend experiences, infrastructure scripts to developer tooling.

Your Responsibilities

• Develop and maintain backend services using Node.js, Fastify, and occasionally Java.
• Build and evolve frontend applications with React, Next.js, and TypeScript.
• Design and implement APIs (REST) that integrate seamlessly with our headless CMS platforms like Directus and other internal services—ensuring high standards for performance, security, and maintainability.
• Write clean, testable, and well-documented code.
• Contribute to CI/CD pipelines (e.g., Bitbucket Pipelines / GitHub Actions) and infrastructure-as-code (e.g., Terraform).
• Deploy and monitor services in Kubernetes and containerised environments.
• Collaborate closely with stakeholders from Product and Marketing, ensuring transparency, regular updates, and clear communication.

Your Requirements

• You have 3+ years of experience building and maintaining Full Stack web applications.
• You are fluent in Node.js, JavaScript, and TypeScript; basic Java skills are a plus.
• You’ve worked with web frameworks like Fastify or Express, and frontend libraries like React / Next.js.
• You understand the basics of DevOps, including CI/CD, Docker, and Kubernetes.
• You’re familiar with PostgreSQL or similar SQL-based databases.
• You are comfortable communicating complex topics in a clear, audience-appropriate way.
• You bring a proactive, hands-on mentality and enjoy documenting and sharing knowledge with others.
• Bonus: You’ve used CMS tools like Directus or Strapi in real-world projects.
• Bonus: You have experience with infrastructure scripting (e.g., Shell, Python) or Terraform, and basic security best practices.

What’s in it for you?

• A purpose-driven team that values technical excellence, collaboration, and real impact on our users.
• A technical environment in transformation—help to shape the new stack.
• Autonomy and ownership from day one.
• Close collaboration with stakeholders and visibility into company-wide impact.
• An open-minded team culture where ideas are welcome and learning is ongoing.

What we can offer you:

• Diversity - proud to be an equal opportunity workplace where we aim to enable everyone to show up as their full selves. We are committed to equal employment opportunity and to being a safe space regardless of race, religion, sex, sexual orientation, age, disability, gender, gender identity or gender expression.
• Development - strong support for your professional development, backed-up by a feedback culture to help you identify your strengths and opportunities.
• Wellbeing - we believe mental health is as important as being fit. That's why we're giving you free access to nilo.health, a mental health app. In terms of physical training, other than our awesome gym in the office, we also cover part of the subscription to the Urban Sports Club. We can also offer you a corporate pension scheme so you don't have to worry about your retirement.
• Sustainability - together with our Green team, we offer you the opportunity to engage in projects that promote sustainability, environmental development and the impact that we make on our planet.
• Flexibility - we offer flexible hours and the option of working from abroad 30 days per year. We offer 28 days of holiday, additionally, you get an extra day for each calendar year (up to 30 days) and other occasions (moving, working on a social project, etc).
• Modern office - Zen Rooms where employees can pray, relax or simply have some quiet time; fully equipped gym in the office, and a roof terrace for amazing social events.
• Free lunch – whenever you’re at the office, we offer you different lunch options – and it’s all on us! Enjoy your lunch at a nearby restaurant that partners with us! Hot and cold drinks, fruit, regular varied and healthy breakfasts and other snacks at the office are, of course, always available for free for our employees.
• Social Culture – which encourages people to start conversations, build relationships and participate together in the community through regular team events.
• Visa Sponsorship – we provide visa sponsorship for those of you who are eager to join us from outside of Germany.

If you think you could fit the bill, we'd love to hear from you!

You can check out our bonial_people Instagram or read more about bonial culture and tech on Medium.