Backend Engineer

About the Position

We are looking for a Backend Engineer to join our Channel Team based in Louvain-la-Neuve, responsible for all messaging channels. You will work in a collaborative Scrum setup with Product Managers and UX designers, directly influencing the architecture, development, and scaling of our communication services. This role also leverages AI-assisted coding with Claude to accelerate development, improve quality, and support complex backend workflows.

About Ibexa

We're a team of 350+ people across Europe and beyond who share one slightly stubborn belief: marketers deserve better tools. So we build them. Ibexa is the Agentic Marketing Platform, where AI agents take care of the repetitive work and marketers stay in charge of the ideas, the brand and the calls that matter. Our products, Actito, Qualifio, Quable, Raptor and Cohesivo, each grew up as specialists in their own field. Today they work together as one platform, built by engineers, designers, consultants, product people and marketers who genuinely care about getting it right. We come from many countries and cultures, we speak plenty of languages (a few of them are code), and we're proud of our European roots: open, human and serious about trust. If you like big challenges, good company and a bit of fun along the way, you'll feel right at home.

Responsibilities

• Design and implement high-performance APIs using Java and Spring.
• Develop scalable, reliable event-driven systems with Kafka, MySQL, MongoDB, Tomcat, and Nginx.
• Leverage Kubernetes and containerization to build and manage scalable infrastructure.
• Collaborate with Product Managers and UX designers to influence the architecture and development of communication services.
• Utilize AI-assisted coding with Claude to accelerate development, automate testing, generate documentation, and refactor code efficiently.
• Ensure secure practices and policies within an ISO 27001-certified environment.

Requirements

• Backend development: Strong experience in Java and Spring, designing and implementing high-performance APIs (OpenAPI/REST).
• Distributed systems & infrastructure: Experience with Kafka, MySQL, MongoDB, Tomcat, Nginx; building scalable, reliable event-driven systems. Experience with Kubernetes (K8s) and containerization is a plus.
• Mobile & multichannel expertise: Deep understanding of mobile platforms, push notifications, SDK integration, SMS/email deliverability, and in-app messaging workflows.
• Collaboration & product mindset: Able to work directly with PMs and UX designers, balancing technical quality with business impact.
• AI-assisted coding: Comfortable using Claude or similar AI tools to accelerate development, automate testing, generate documentation, and refactor code efficiently.
• CI/CD & tools: Experience with Jenkins, Git, Maven, npm, and modern DevOps pipelines.
• Ownership & initiative: Proactive problem solver who contributes to system improvements, performance, and code quality.
• Fluency in French and English.
• Basic information security competences and adherence to secure practices and policies within an ISO 27001-certified environment.

We Offer

• Opportunity to shape the next generation of multichannel engagement.
• Work in a collaborative Scrum setup with Product Managers and UX designers.
• Leverage cutting-edge backend engineering, AI-assisted development, and cloud-native technologies.
• Competitive salary and benefits.
• Hybrid work setup in Louvain-la-Neuve, Walloon Region, Belgium.

About the Company

Ibexa is the Agentic Marketing Platform, where AI agents take care of the repetitive work and marketers stay in charge of the ideas, the brand and the calls that matter. Our products, Actito, Qualifio, Quable, Raptor and Cohesivo, each grew up as specialists in their own field. Today they work together as one platform, built by engineers, designers, consultants, product people and marketers who genuinely care about getting it right. We come from many countries and cultures, we speak plenty of languages (a few of them are code), and we're proud of our European roots: open, human and serious about trust.