Why Sintra?

50,000+ small business owners use Sintra every day. Not because it's another SaaS tool — but because our AI helpers actually feel like teammates. They reply to customers, post on social media, analyze data, and much more. For someone running a business alone, this is the first time they've had help that actually helps.

We've built something people care about. Now we need to make it great.

Why Brain AI?

Brain AI is the core intelligence layer of Sintra - how our helpers actually know things about your business, customers, files, and preferences.

This includes knowledge management, context retrieval (RAG), memory systems, and team collaboration. If Brain AI works well, every helper becomes smarter. If it doesn't, nothing else matters.

We need someone to fully own this.

Quick summary: We're looking for a Senior Product Manager to own Brain AI — Sintra's knowledge and context layer. You'll lead a team of engineers and designers, ship weekly, and be accountable for metrics that matter.

What you'll do

• Own Brain AI end-to-end - roadmap, team, execution, outcomes.

• Lead a team of engineers and designers.

• Ship weekly, kill what doesn't work, move fast.

• Build prototypes yourself - write prompts, hack wireframes, test pipelines.

• Scope ruthlessly and validate with users and metrics.

• Work closely with other product teams - your deliverables should empower other product experiences in Sintra.

• Collaborate with OpenAI and Anthropic applied engineering teams.

What we're looking for

• 5+ years of experience in product, engineering, or technical leadership.

• Shipped AI/LLM products - not just "interested in AI".

• Technical understanding - you can go deep with engineers (coding experience is a plus).

• Data fluency - you find insights and prioritize based on evidence.

Salary range: €5,000–8,000/month gross, depending on experience.

Benefits

• Equity package: share in the company’s long-term success through an equity plan that rewards your impact and commitment.

• Flexible working model: enjoy a flexible approach to work that supports a healthy balance between your professional and personal life.

• Private health insurance: comprehensive private health coverage to support your well-being.

• Workout sessions with a personal trainer: access guided workout sessions with a personal trainer to help you stay active, healthy, and motivated.

• Daily office-provided lunch: fresh, complimentary lunch provided in the office every workday to keep you energized and focused.

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