Full Stack Developer

Precapital is a family office based in Kraków, focused on real estate, automotive and renewable energy projects. The company grows its business through a venture building process.

• Proven full stack experience — comfortable owning both frontend and backend, from UI to database.
• Strong verbal and written communication skills - ability to collaborate effectively with both internal teams and external stakeholders.
• Experience delivering products independently — you can take a rough idea to production without hand-holding.
• Solid knowledge of modern web stack — React/Next.js, TypeScript, Node.js, relational and document databases.
• Hands-on experience with LLM/AI integration — OpenAI API, LangChain, vector databases, or equivalent.
• Experience integrating with third-party tools and APIs — CRM systems, automation platforms, webhooks, iPaaS (e.g. Make, Zapier).
• Strong system design thinking — you plan for scale, maintainability, and future team onboarding from the start.
• Good communication skills in English — written and spoken.
• Product mindset — you care about outcomes, not just clean code.
• Bonus: prior experience as a tech lead or in a solo-developer product role.

• Lead end-to-end design and development of the AI-powered sales platform.
• Define the technical architecture, stack, and development standards — in collaboration with the founders.
• Integrate AI and LLM capabilities: lead scoring, recommendations, automated communication, workflow logic.
• Integrate and migrate data from existing tools already in use at Precapital.
• Coordinate external agencies and freelancers contributing to the project.
• Ensure code quality, security, and performance as the product and user base grow.
• Gradually build and mentor an internal engineering team as the project scales.