Founding Engineer

About the role

We are looking for a founding engineer to join our early‑stage fintech startup that is reinventing financial due diligence for M&A transactions. You will work side‑by‑side with the CTO, shaping the product from the ground up and delivering features that will handle deals worth hundreds of millions.

Key responsibilities

• Own features end‑to‑end, from scoping and design to implementation, testing and shipping.
• Design and build front‑end interfaces using TypeScript and React.js, ensuring a great UI/UX.
• Develop back‑end services with FastAPI and SQLAlchemy when needed.
• Collaborate directly with the CTO and founding team to define product direction.
• Contribute to a fast‑moving, fun startup environment.

Required profile

• 3+ years of experience in front‑end or full‑stack development.
• Strong ownership mindset and ability to anticipate problems.
• Experience in a startup environment is a plus.

Required skills

• TypeScript
• React.js
• FastAPI
• SQLAlchemy
• Auth0
• Docker (nice‑to‑have)
• Azure deployment (nice‑to‑have)
• PostgreSQL (nice‑to‑have)
• Multi‑tenant data modeling (nice‑to‑have)
• Third‑party API integrations (nice‑to‑have)
• Background job/queue processing (nice‑to‑have)

What we offer

• Competitive salary and stock options with real upside.
• Full ownership of technical decisions from day one.
• Front‑row seat in a high‑impact finance sector.
• Fast, efficient team backed by Belgium’s largest startup ecosystem.