Senior Fullstack Developer (React + Python)

We believe that businesses are moving toward AI-powered work, and we are building a platform that organizes company policies, workflows, and business knowledge into one AI data model. Our platform supports thousands of users and processes real production data, with SOC2 and HIPAA-ready security practices. We already work with well-known enterprise customers such as Glovo, Nespresso, and HelloFresh.

• Strong senior-level experience building and delivering production web applications.
• Strong frontend skills with React, TypeScript, or a similar modern web framework.
• Good backend experience designing APIs, backend services, and data flows.
• Strong product thinking with the ability to improve user experience and simplify complex workflows.
• Good judgment when making technical decisions and balancing scope, quality, and delivery time.
• A security-focused approach and experience handling sensitive data.
• Good communication skills and experience working with engineering, product, and design teams.
• Experience using AI tools as part of daily software development.

Nice to have:

• Experience building AI-powered products such as chat applications, search, recommendation systems, workflows, or AI agents.
• Experience with Python, Node.js, or both.
• Experience leading product areas with a high level of ownership.
• Good understanding of web performance, accessibility, and production quality.

• Build and deliver product features across both frontend and backend.
• Turn product ideas into practical technical solutions with the right scope and priorities.
• Work across the full technology stack, including user interfaces, backend logic, APIs, and data flows.
• Work closely with product managers and designers, even when requirements are still changing.
• Improve usability, performance, reliability, and overall product quality.
• Monitor applications after release, analyze logs and system data, and continue improving the product.
• Use AI tools every day to improve development speed, workflows, and engineering processes.
• Maintain high standards for code quality, testing, and long-term ownership.

This role requires working from our office in Warsaw city centre 5 days a week. This is a fully on-site position; remote or hybrid work is not available.