AI EngineerBrussels · On-SiteSaaS Startup
We are working with a fast-growing SaaS startup transforming the legal domain with modern technology—They're looking for an AI Engineer who wants to build, own, and shape core product systems from the ground up.
This is a role where you can have real ownership and impact on a product that is revolutionising the legal and finance industry within a company that is growing at an incredible pace.
With expansion plans into wider Europe and the US, the Sky really is the limit with your own career growth.
What you'll be doingDesigning, building, and scaling core features of their SaaS platformBuild production-ready LLM agents with multi-step reasoning and tool useDesign and implement agentic workflows using Pydantic AIIntegrate LLMs (Claude, Gemini, OpenAI) into customer-facing featuresBuilding robust backend services and APIs with Python & FastAPI
What They're looking forStrong experience as an AI Engineer or in a similar role working with AI agentsSolid backend experience with Python, ideally FastAPIA product mindset: you care about users, not just codeComfortable taking ownership, making decisions, and moving fastBased near (or willing to relocate to) Brussels
Bonus points if you have experience withWorking professionally in a SAAS Start-up environmentBuilding quickly and having great ownership
Why join Them?High ownership & autonomy – your work will directly shape the product and companyReal impact – we're solving meaningful problems in the legal and financial domainsModern tech stack with room to influence architectural decisionsAmbitious, smart team that values pragmatism, quality, and speedUp to €5k gross - Dependent on ability and experienceMobility BudgetMeal VouchersEquity OptionsHospitalisation Insurance
If you're an ambitious engineer who wants to build something that matters—and doesn't want to be boxed into a narrow role—we'd love to hear from you!