AI Software Engineer in Brussels or Paris
Il y a 3 semaines
Brussels Brussels Region, BRU, Belgique
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Gratuit avec email ou Google
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Location:
Brussels / Hybrid / Full remote possible 🕒 Contract type: Full-time, permanent (CDI) 📅 Start date: As soon as possible 🏢 Department: Product 🚀 The context Our client is a fast-growing Belgian start-up in the financial software integrations space, with the ambition of becoming the European leader in its field by 2027 . Joining this team means being one of the early builders of an ambitious project, working directly alongside one of the co-founders, and having a real impact on a product used daily by clients. 🎯 Your mission As an AI Software Engineer , you will be at the heart of the company's mission to revolutionize software integrations for businesses across Europe. You'll lead AI-focused engineering projects end-to-end, from designing agentic workflows to building highly available API/MCP infrastructure. You'll work closely with a talented, dynamic team, with real ownership over your technical challenges — a role built for someone who wants to deepen their backend expertise, take on responsibility, and grow in a fast-paced startup environment. 🛠️ Your responsibilities You'll work across three fronts: the product, the integrations, and the tooling that lets the team build faster than the market.
- Build LLM-powered features inside the product : mapping suggestions, anomaly detection, intelligent monitoring, error recovery, smarter onboarding. You'll spot where AI genuinely improves the client experience and turn those into shipped features, not demos.
- Design the best architecture for highly available and scalable APIs/MCPs.
- Make integrations agentic : move from deterministic syncing to flows that can reason, recover from errors, and reduce the manual mapping work clients dread today. You'll lead that shift end-to-end, from architecture to production.
- Automate how connectors are built and maintained : with 120+ connectors today and the ambition to reach hundreds, you'll build the AI-powered tooling that lets a small team ship and maintain that scale — connector generation, automated testing against real APIs, documentation that stays in sync with the code.
- Set the technical bar for AI across the company: evals, prompt versioning, telemetry on agentic flows, safety and cost guardrails. You'll define the practices the rest of the engineering team follows when putting LLMs into production. 🔎 What we're looking for
- Computer Science graduate or self-taught
- 5+ years of software engineering experience , including 1-2 years shipping production-grade AI systems (LLMs, agentic workflows, RAG, evals). Startup experience is a plus.
- Hands-on experience building or working with AI systems: LLMs, agentic workflows, RAG pipelines, or similar.
- Hands-on experience building MCPs.
- Technical
skills:
Strong Python knowledge; SQL and TypeScript are a plus.
- Familiarity with databases (PostgreSQL, MySQL) and modern tooling (Docker).
- A genuine interest in business logic: integrations touch financial tools, so understanding the logic before coding is essential.
- Curiosity and a love of challenges; you want a solid overall understanding of the technologies involved.
- Startup mindset : the environment is more "rock and roll" than corporate — open-minded, resourceful, curious, and a strong team player.
- Ownership and a "doer" spirit : the small size of the team means you'll take the lead on multiple topics.
- Languages: Native French required; English and Dutch are a plus. 💼 What our client offers
- Direct support and coaching from the CTO
- A steep learning curve, with varied work across different technologies
- The experience of a young, fast-growing tech startup with a great team atmosphere
- Flexible
working hours
and a mix of office/remote work
- An attractive package: salary, meal vouchers, eco-vouchers, mobility budget, flexible vacation days, and more
- Potential access to equity in the next funding round
- A friendly company culture: after-work drinks, team lunches, and celebrations for every milestone *Interested? Apply now to join this entrepreneurial adventure*
Location:
Brussels / Hybrid / Full remote possible 🕒 Contract type: Full-time, permanent (CDI) 📅 Start date: As soon as possible 🏢 Department: Product 🚀 The context Our client is a fast-growing Belgian start-up in the financial software integrations space, with the ambition of becoming the European leader in its field by 2027 . Joining this team means being one of the early builders of an ambitious project, working directly alongside one of the co-founders, and having a real impact on a product used daily by clients. 🎯 Your mission As an AI Software Engineer , you will be at the heart of the company's mission to revolutionize software integrations for businesses across Europe. You'll lead AI-focused engineering projects end-to-end, from designing agentic workflows to building highly available API/MCP infrastructure. You'll work closely with a talented, dynamic team, with real ownership over your technical challenges — a role built for someone who wants to deepen their backend expertise, take on responsibility, and grow in a fast-paced startup environment. 🛠️ Your responsibilities You'll work across three fronts: the product, the integrations, and the tooling that lets the team build faster than the market.
- Build LLM-powered features inside the product : mapping suggestions, anomaly detection, intelligent monitoring, error recovery, smarter onboarding. You'll spot where AI genuinely improves the client experience and turn those into shipped features, not demos.
- Design the best architecture for highly available and scalable APIs/MCPs.
- Make integrations agentic : move from deterministic syncing to flows that can reason, recover from errors, and reduce the manual mapping work clients dread today. You'll lead that shift end-to-end, from architecture to production.
- Automate how connectors are built and maintained : with 120+ connectors today and the ambition to reach hundreds, you'll build the AI-powered tooling that lets a small team ship and maintain that scale — connector generation, automated testing against real APIs, documentation that stays in sync with the code.
- Set the technical bar for AI across the company: evals, prompt versioning, telemetry on agentic flows, safety and cost guardrails. You'll define the practices the rest of the engineering team follows when putting LLMs into production. 🔎 What we're looking for
- Computer Science graduate or self-taught
- 5+ years of software engineering experience , including 1-2 years shipping production-grade AI systems (LLMs, agentic workflows, RAG, evals). Startup experience is a plus.
- Hands-on experience building or working with AI systems: LLMs, agentic workflows, RAG pipelines, or similar.
- Hands-on experience building MCPs.
- Technical
skills:
Strong Python knowledge; SQL and TypeScript are a plus.
- Familiarity with databases (PostgreSQL, MySQL) and modern tooling (Docker).
- A genuine interest in business logic: integrations touch financial tools, so understanding the logic before coding is essential.
- Curiosity and a love of challenges; you want a solid overall understanding of the technologies involved.
- Startup mindset : the environment is more "rock and roll" than corporate — open-minded, resourceful, curious, and a strong team player.
- Ownership and a "doer" spirit : the small size of the team means you'll take the lead on multiple topics.
- Languages: Native French required; English and Dutch are a plus. 💼 What our client offers
- Direct support and coaching from the CTO
- A steep learning curve, with varied work across different technologies
- The experience of a young, fast-growing tech startup with a great team atmosphere
- Flexible
working hours
and a mix of office/remote work
- An attractive package: salary, meal vouchers, eco-vouchers, mobility budget, flexible vacation days, and more
- Potential access to equity in the next funding round
- A friendly company culture: after-work drinks, team lunches, and celebrations for every milestone *Interested? Apply now to join this entrepreneurial adventure*