Software Engineer – Backend Focus for AI-driven SaaS

About the role

We are looking for an experienced Software Engineer to join our small, high‑ownership engineering team in Leuven. You will work closely with AI engineers, product managers, and front‑end engineers to deliver end‑to‑end features for our AI‑driven cost intelligence SaaS platform.

Key responsibilities

• Design, develop, and ship production‑grade features across the stack, with a primary focus on backend development.
• Build and improve APIs, data flows, analytics pipelines, and third‑party integrations.
• Collaborate with product to shape solutions, contribute to technical decisions, and ensure business context is reflected in the implementation.
• Take ownership of features from design through deployment and monitoring.
• Support the team by working across the stack when needed, including front‑end tasks.

Required profile

• Proven experience as a software engineer in a fast‑moving, small‑team environment.
• High sense of ownership and ability to drive tasks to completion without waiting for tickets.
• Comfortable collaborating with cross‑functional partners and understanding business impact.
• Willingness to work onsite in Leuven and contribute to a startup culture.

Required skills

• Python
• FastAPI
• Next.js
• TypeScript
• Google Cloud Platform (GCP)